diff --git a/common/lock/src/drwmutex.rs b/common/lock/src/drwmutex.rs
index e1c66460..6d14a625 100644
--- a/common/lock/src/drwmutex.rs
+++ b/common/lock/src/drwmutex.rs
@@ -33,8 +33,8 @@ impl Granted {
     }
 }
 
-fn is_locked(uid: &String) -> bool {
-    uid.len() > 0
+fn is_locked(uid: &str) -> bool {
+    !uid.is_empty()
 }
 
 #[derive(Debug, Clone)]
@@ -59,6 +59,14 @@ impl DRWMutex {
             lock_retry_min_interval: LOCK_RETRY_MIN_INTERVAL,
         }
     }
+
+    fn is_locked(&self) -> bool {
+        self.write_locks.iter().any(|w_lock| is_locked(w_lock))
+    }
+
+    fn is_r_locked(&self) -> bool {
+        self.read_locks.iter().any(|r_lock| is_locked(r_lock))
+    }
 }
 
 impl DRWMutex {
@@ -134,7 +142,7 @@ impl DRWMutex {
 
     async fn inner_lock(
         &mut self,
-        locks: &mut Vec<String>,
+        locks: &mut [String],
         id: &String,
         source: &String,
         is_read_lock: bool,
@@ -201,7 +209,7 @@ impl DRWMutex {
     }
 
     pub async fn un_lock(&mut self) {
-        if self.write_locks.is_empty() || !self.write_locks.iter().any(|w_lock| is_locked(w_lock)) {
+        if self.write_locks.is_empty() || !self.is_locked() {
             panic!("Trying to un_lock() while no lock() is active, write_locks: {:?}", self.write_locks)
         }
 
@@ -222,7 +230,7 @@ impl DRWMutex {
     }
 
     pub async fn un_r_lock(&mut self) {
-        if self.read_locks.is_empty() || !self.read_locks.iter().any(|r_lock| is_locked(r_lock)) {
+        if self.read_locks.is_empty() || !self.is_r_locked() {
             panic!("Trying to un_r_lock() while no r_lock() is active, read_locks: {:?}", self.read_locks)
         }
 
@@ -242,14 +250,14 @@ impl DRWMutex {
         }
     }
 
-    async fn release_all(&mut self, tolerance: usize, locks: &mut Vec<String>, is_read_lock: bool) -> bool {
+    async fn release_all(&mut self, tolerance: usize, locks: &mut [String], is_read_lock: bool) -> bool {
         for (index, locker) in self.lockers.iter_mut().enumerate() {
             if send_release(locker, &locks[index], &self.owner, &self.names, is_read_lock).await {
                 locks[index] = "".to_string();
             }
         }
 
-        !check_failed_unlocks(&locks, tolerance)
+        !check_failed_unlocks(locks, tolerance)
     }
 }
 
@@ -277,7 +285,7 @@ impl DRWMutex {
 //     });
 // }
 
-fn check_failed_unlocks(locks: &Vec<String>, tolerance: usize) -> bool {
+fn check_failed_unlocks(locks: &[String], tolerance: usize) -> bool {
     let mut un_locks_failed = 0;
     locks.iter().for_each(|lock| {
         if is_locked(lock) {
@@ -292,15 +300,15 @@ fn check_failed_unlocks(locks: &Vec<String>, tolerance: usize) -> bool {
     un_locks_failed > tolerance
 }
 
-async fn send_release(locker: &mut LockApi, uid: &String, owner: &String, names: &Vec<String>, is_read_lock: bool) -> bool {
+async fn send_release(locker: &mut LockApi, uid: &String, owner: &str, names: &[String], is_read_lock: bool) -> bool {
     if uid.is_empty() {
         return false;
     }
 
     let args = LockArgs {
         uid: uid.to_string(),
-        owner: owner.clone(),
-        resources: names.clone(),
+        owner: owner.to_owned(),
+        resources: names.to_owned(),
         ..Default::default()
     };
 
@@ -335,7 +343,7 @@ async fn send_release(locker: &mut LockApi, uid: &String, owner: &String, names:
     true
 }
 
-fn check_quorum_locked(locks: &Vec<String>, quorum: usize) -> bool {
+fn check_quorum_locked(locks: &[String], quorum: usize) -> bool {
     let mut count = 0;
     locks.iter().for_each(|lock| {
         if is_locked(lock) {
diff --git a/common/lock/src/lib.rs b/common/lock/src/lib.rs
index 02aa3235..365f838d 100644
--- a/common/lock/src/lib.rs
+++ b/common/lock/src/lib.rs
@@ -18,7 +18,7 @@ pub mod namespace_lock;
 pub mod remote_client;
 
 lazy_static! {
-    pub static ref GLOBAL_LOCAL_SERVER: Arc<Box<RwLock<LocalLocker>>> = Arc::new(Box::new(RwLock::new(LocalLocker::new())));
+    pub static ref GLOBAL_LOCAL_SERVER: Arc<RwLock<LocalLocker>> = Arc::new(RwLock::new(LocalLocker::new()));
 }
 
 type LockClient = dyn Locker;
diff --git a/common/lock/src/local_locker.rs b/common/lock/src/local_locker.rs
index 0d22ce1b..0ed81acd 100644
--- a/common/lock/src/local_locker.rs
+++ b/common/lock/src/local_locker.rs
@@ -75,7 +75,7 @@ impl LocalLocker {
         };
 
         self.lock_map.iter().for_each(|(_, value)| {
-            if value.len() > 0 {
+            if !value.is_empty() {
                 if value[0].writer {
                     st.writes += 1;
                 } else {
@@ -84,7 +84,7 @@ impl LocalLocker {
             }
         });
 
-        return st;
+        st
     }
 
     fn dump_lock_map(&mut self) -> HashMap<String, Vec<LockRequesterInfo>> {
@@ -93,7 +93,7 @@ impl LocalLocker {
             lock_copy.insert(key.to_string(), value.to_vec());
         });
 
-        return lock_copy;
+        lock_copy
     }
 
     fn expire_old_locks(&mut self, interval: Duration) {
@@ -109,8 +109,6 @@ impl LocalLocker {
                 true
             });
         });
-
-        return;
     }
 }
 
@@ -165,9 +163,9 @@ impl Locker for LocalLocker {
         for resource in args.resources.iter() {
             match self.lock_map.get_mut(resource) {
                 Some(lris) => {
-                    if !is_write_lock(&lris) {
+                    if !is_write_lock(lris) {
                         if err_info.is_empty() {
-                            err_info = String::from(format!("unlock attempted on a read locked entity: {}", resource));
+                            err_info = format!("unlock attempted on a read locked entity: {}", resource);
                         } else {
                             err_info.push_str(&format!(", {}", resource));
                         }
@@ -184,7 +182,7 @@ impl Locker for LocalLocker {
                             true
                         });
                     }
-                    if lris.len() == 0 {
+                    if lris.is_empty() {
                         self.lock_map.remove(resource);
                     }
                 }
@@ -250,7 +248,7 @@ impl Locker for LocalLocker {
         let resource = &args.resources[0];
         match self.lock_map.get_mut(resource) {
             Some(lris) => {
-                if is_write_lock(&lris) {
+                if is_write_lock(lris) {
                     return Err(Error::from_string(format!("runlock attempted on a write locked entity: {}", resource)));
                 } else {
                     lris.retain(|lri| {
@@ -265,12 +263,12 @@ impl Locker for LocalLocker {
                         true
                     });
                 }
-                if lris.len() == 0 {
+                if lris.is_empty() {
                     self.lock_map.remove(resource);
                 }
             }
             None => {
-                return Ok(reply || true);
+                return Ok(reply);
             }
         };
 
@@ -291,18 +289,17 @@ impl Locker for LocalLocker {
     async fn force_unlock(&mut self, args: &LockArgs) -> Result<bool> {
         let mut reply: bool;
         if args.uid.is_empty() {
-            args.resources.iter().for_each(|resource| match self.lock_map.get(resource) {
-                Some(lris) => {
+            args.resources.iter().for_each(|resource| {
+                if let Some(lris) = self.lock_map.get(resource) {
                     lris.iter().for_each(|lri| {
                         let mut key = lri.uid.to_string();
                         format_uuid(&mut key, &lri.idx);
                         self.lock_uid.remove(&key);
                     });
-                    if lris.len() == 0 {
+                    if lris.is_empty() {
                         self.lock_map.remove(resource);
                     }
                 }
-                None => (),
             });
 
             return Ok(true);
@@ -330,7 +327,7 @@ impl Locker for LocalLocker {
                             });
                         }
                         idx += 1;
-                        if lris.len() == 0 {
+                        if lris.is_empty() {
                             need_remove_resource.push(resource.to_string());
                         }
                     }
diff --git a/common/lock/src/lrwmutex.rs b/common/lock/src/lrwmutex.rs
index d99c959c..1ff4ebb9 100644
--- a/common/lock/src/lrwmutex.rs
+++ b/common/lock/src/lrwmutex.rs
@@ -17,13 +17,11 @@ impl LRWMutex {
         let id = self.id.read().await.clone();
         let source = self.source.read().await.clone();
         let timeout = Duration::from_secs(10000);
-        let x = self
-            .look_loop(
-                &id, &source, &timeout, // big enough
-                is_write,
-            )
-            .await;
-        x
+        self.look_loop(
+            &id, &source, &timeout, // big enough
+            is_write,
+        )
+        .await
     }
 
     pub async fn get_lock(&self, id: &str, source: &str, timeout: &Duration) -> bool {
@@ -36,13 +34,11 @@ impl LRWMutex {
         let id = self.id.read().await.clone();
         let source = self.source.read().await.clone();
         let timeout = Duration::from_secs(10000);
-        let x = self
-            .look_loop(
-                &id, &source, &timeout, // big enough
-                is_write,
-            )
-            .await;
-        x
+        self.look_loop(
+            &id, &source, &timeout, // big enough
+            is_write,
+        )
+        .await
     }
 
     pub async fn get_r_lock(&self, id: &str, source: &str, timeout: &Duration) -> bool {
@@ -61,11 +57,9 @@ impl LRWMutex {
                 *self.is_write.write().await = true;
                 locked = true;
             }
-        } else {
-            if !*self.is_write.read().await {
-                *self.refrence.write().await += 1;
-                locked = true;
-            }
+        } else if !*self.is_write.read().await {
+            *self.refrence.write().await += 1;
+            locked = true;
         }
 
         locked
@@ -112,13 +106,9 @@ impl LRWMutex {
                 *self.is_write.write().await = false;
                 unlocked = true;
             }
-        } else {
-            if !*self.is_write.read().await {
-                if *self.refrence.read().await > 0 {
-                    *self.refrence.write().await -= 1;
-                    unlocked = true;
-                }
-            }
+        } else if !*self.is_write.read().await && *self.refrence.read().await > 0 {
+            *self.refrence.write().await -= 1;
+            unlocked = true;
         }
 
         unlocked
diff --git a/common/lock/src/namespace_lock.rs b/common/lock/src/namespace_lock.rs
index dd612039..b1ec22e0 100644
--- a/common/lock/src/namespace_lock.rs
+++ b/common/lock/src/namespace_lock.rs
@@ -45,8 +45,8 @@ impl NsLockMap {
         &mut self,
         volume: &String,
         path: &String,
-        lock_source: &String,
-        ops_id: &String,
+        lock_source: &str,
+        ops_id: &str,
         read_lock: bool,
         timeout: Duration,
     ) -> bool {
@@ -58,12 +58,11 @@ impl NsLockMap {
         });
         nslk.reference += 1;
 
-        let locked: bool;
-        if read_lock {
-            locked = nslk.lock.get_r_lock(ops_id, lock_source, &timeout).await;
+        let locked = if read_lock {
+            nslk.lock.get_r_lock(ops_id, lock_source, &timeout).await
         } else {
-            locked = nslk.lock.get_lock(ops_id, lock_source, &timeout).await;
-        }
+            nslk.lock.get_lock(ops_id, lock_source, &timeout).await
+        };
 
         if !locked {
             nslk.reference -= 1;
@@ -72,7 +71,7 @@ impl NsLockMap {
             }
         }
 
-        return locked;
+        locked
     }
 
     async fn un_lock(&mut self, volume: &String, path: &String, read_lock: bool) {
@@ -90,8 +89,6 @@ impl NsLockMap {
             if nslk.reference == 0 {
                 w_lock_map.remove(&resource);
             }
-        } else {
-            return;
         }
     }
 }
@@ -138,7 +135,8 @@ impl RWLocker for DistLockInstance {
     }
 
     async fn un_lock(&mut self) -> Result<()> {
-        Ok(self.lock.un_lock().await)
+        self.lock.un_lock().await;
+        Ok(())
     }
 
     async fn get_u_lock(&mut self, opts: &Options) -> Result<bool> {
@@ -148,7 +146,8 @@ impl RWLocker for DistLockInstance {
     }
 
     async fn un_r_lock(&mut self) -> Result<()> {
-        Ok(self.lock.un_r_lock().await)
+        self.lock.un_r_lock().await;
+        Ok(())
     }
 }
 
diff --git a/common/lock/src/remote_client.rs b/common/lock/src/remote_client.rs
index be65b858..eeafa96d 100644
--- a/common/lock/src/remote_client.rs
+++ b/common/lock/src/remote_client.rs
@@ -25,7 +25,7 @@ impl Locker for RemoteClient {
         let args = serde_json::to_string(args)?;
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(GenerallyLockRequest { args });
 
         let response = client.lock(request).await?.into_inner();
@@ -42,7 +42,7 @@ impl Locker for RemoteClient {
         let args = serde_json::to_string(args)?;
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(GenerallyLockRequest { args });
 
         let response = client.un_lock(request).await?.into_inner();
@@ -59,7 +59,7 @@ impl Locker for RemoteClient {
         let args = serde_json::to_string(args)?;
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(GenerallyLockRequest { args });
 
         let response = client.r_lock(request).await?.into_inner();
@@ -76,7 +76,7 @@ impl Locker for RemoteClient {
         let args = serde_json::to_string(args)?;
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(GenerallyLockRequest { args });
 
         let response = client.r_un_lock(request).await?.into_inner();
@@ -93,7 +93,7 @@ impl Locker for RemoteClient {
         let args = serde_json::to_string(args)?;
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(GenerallyLockRequest { args });
 
         let response = client.force_un_lock(request).await?.into_inner();
@@ -110,7 +110,7 @@ impl Locker for RemoteClient {
         let args = serde_json::to_string(args)?;
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(GenerallyLockRequest { args });
 
         let response = client.refresh(request).await?.into_inner();
diff --git a/common/protos/src/generated/proto_gen/node_service.rs b/common/protos/src/generated/proto_gen/node_service.rs
index b6745871..c31199d6 100644
--- a/common/protos/src/generated/proto_gen/node_service.rs
+++ b/common/protos/src/generated/proto_gen/node_service.rs
@@ -1,6 +1,5 @@
 // This file is @generated by prost-build.
 /// --------------------------------------------------------------------
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct PingRequest {
     #[prost(uint64, tag = "1")]
@@ -8,7 +7,6 @@ pub struct PingRequest {
     #[prost(bytes = "vec", tag = "2")]
     pub body: ::prost::alloc::vec::Vec<u8>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct PingResponse {
     #[prost(uint64, tag = "1")]
@@ -16,13 +14,11 @@ pub struct PingResponse {
     #[prost(bytes = "vec", tag = "2")]
     pub body: ::prost::alloc::vec::Vec<u8>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ListBucketRequest {
     #[prost(string, tag = "1")]
     pub options: ::prost::alloc::string::String,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ListBucketResponse {
     #[prost(bool, tag = "1")]
@@ -32,7 +28,6 @@ pub struct ListBucketResponse {
     #[prost(string, optional, tag = "3")]
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct MakeBucketRequest {
     #[prost(string, tag = "1")]
@@ -40,7 +35,6 @@ pub struct MakeBucketRequest {
     #[prost(string, tag = "2")]
     pub options: ::prost::alloc::string::String,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct MakeBucketResponse {
     #[prost(bool, tag = "1")]
@@ -48,7 +42,6 @@ pub struct MakeBucketResponse {
     #[prost(string, optional, tag = "2")]
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct GetBucketInfoRequest {
     #[prost(string, tag = "1")]
@@ -56,7 +49,6 @@ pub struct GetBucketInfoRequest {
     #[prost(string, tag = "2")]
     pub options: ::prost::alloc::string::String,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct GetBucketInfoResponse {
     #[prost(bool, tag = "1")]
@@ -66,13 +58,11 @@ pub struct GetBucketInfoResponse {
     #[prost(string, optional, tag = "3")]
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct DeleteBucketRequest {
     #[prost(string, tag = "1")]
     pub bucket: ::prost::alloc::string::String,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct DeleteBucketResponse {
     #[prost(bool, tag = "1")]
@@ -80,7 +70,6 @@ pub struct DeleteBucketResponse {
     #[prost(string, optional, tag = "2")]
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ReadAllRequest {
     /// indicate which one in the disks
@@ -91,7 +80,6 @@ pub struct ReadAllRequest {
     #[prost(string, tag = "3")]
     pub path: ::prost::alloc::string::String,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ReadAllResponse {
     #[prost(bool, tag = "1")]
@@ -101,7 +89,6 @@ pub struct ReadAllResponse {
     #[prost(string, optional, tag = "3")]
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct WriteAllRequest {
     /// indicate which one in the disks
@@ -114,7 +101,6 @@ pub struct WriteAllRequest {
     #[prost(bytes = "vec", tag = "4")]
     pub data: ::prost::alloc::vec::Vec<u8>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct WriteAllResponse {
     #[prost(bool, tag = "1")]
@@ -122,7 +108,6 @@ pub struct WriteAllResponse {
     #[prost(string, optional, tag = "2")]
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct DeleteRequest {
     /// indicate which one in the disks
@@ -135,7 +120,6 @@ pub struct DeleteRequest {
     #[prost(string, tag = "4")]
     pub options: ::prost::alloc::string::String,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct DeleteResponse {
     #[prost(bool, tag = "1")]
@@ -143,7 +127,6 @@ pub struct DeleteResponse {
     #[prost(string, optional, tag = "2")]
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct RenamePartRequst {
     #[prost(string, tag = "1")]
@@ -159,7 +142,6 @@ pub struct RenamePartRequst {
     #[prost(bytes = "vec", tag = "6")]
     pub meta: ::prost::alloc::vec::Vec<u8>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct RenamePartResponse {
     #[prost(bool, tag = "1")]
@@ -167,7 +149,6 @@ pub struct RenamePartResponse {
     #[prost(string, optional, tag = "2")]
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct RenameFileRequst {
     #[prost(string, tag = "1")]
@@ -181,7 +162,6 @@ pub struct RenameFileRequst {
     #[prost(string, tag = "5")]
     pub dst_path: ::prost::alloc::string::String,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct RenameFileResponse {
     #[prost(bool, tag = "1")]
@@ -189,7 +169,6 @@ pub struct RenameFileResponse {
     #[prost(string, optional, tag = "2")]
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct WriteRequest {
     /// indicate which one in the disks
@@ -204,7 +183,6 @@ pub struct WriteRequest {
     #[prost(bytes = "vec", tag = "5")]
     pub data: ::prost::alloc::vec::Vec<u8>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct WriteResponse {
     #[prost(bool, tag = "1")]
@@ -212,7 +190,6 @@ pub struct WriteResponse {
     #[prost(string, optional, tag = "2")]
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ReadAtRequest {
     /// indicate which one in the disks
@@ -227,7 +204,6 @@ pub struct ReadAtRequest {
     #[prost(int64, tag = "5")]
     pub length: i64,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ReadAtResponse {
     #[prost(bool, tag = "1")]
@@ -239,7 +215,6 @@ pub struct ReadAtResponse {
     #[prost(string, optional, tag = "4")]
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ListDirRequest {
     /// indicate which one in the disks
@@ -248,7 +223,6 @@ pub struct ListDirRequest {
     #[prost(string, tag = "2")]
     pub volume: ::prost::alloc::string::String,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ListDirResponse {
     #[prost(bool, tag = "1")]
@@ -258,7 +232,6 @@ pub struct ListDirResponse {
     #[prost(string, optional, tag = "3")]
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct WalkDirRequest {
     /// indicate which one in the disks
@@ -267,7 +240,6 @@ pub struct WalkDirRequest {
     #[prost(string, tag = "2")]
     pub walk_dir_options: ::prost::alloc::string::String,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct WalkDirResponse {
     #[prost(bool, tag = "1")]
@@ -277,7 +249,6 @@ pub struct WalkDirResponse {
     #[prost(string, optional, tag = "3")]
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct RenameDataRequest {
     /// indicate which one in the disks
@@ -294,7 +265,6 @@ pub struct RenameDataRequest {
     #[prost(string, tag = "6")]
     pub dst_path: ::prost::alloc::string::String,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct RenameDataResponse {
     #[prost(bool, tag = "1")]
@@ -304,7 +274,6 @@ pub struct RenameDataResponse {
     #[prost(string, optional, tag = "3")]
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct MakeVolumesRequest {
     /// indicate which one in the disks
@@ -313,7 +282,6 @@ pub struct MakeVolumesRequest {
     #[prost(string, repeated, tag = "2")]
     pub volumes: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct MakeVolumesResponse {
     #[prost(bool, tag = "1")]
@@ -321,7 +289,6 @@ pub struct MakeVolumesResponse {
     #[prost(string, optional, tag = "2")]
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct MakeVolumeRequest {
     /// indicate which one in the disks
@@ -330,7 +297,6 @@ pub struct MakeVolumeRequest {
     #[prost(string, tag = "2")]
     pub volume: ::prost::alloc::string::String,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct MakeVolumeResponse {
     #[prost(bool, tag = "1")]
@@ -338,14 +304,12 @@ pub struct MakeVolumeResponse {
     #[prost(string, optional, tag = "2")]
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ListVolumesRequest {
     /// indicate which one in the disks
     #[prost(string, tag = "1")]
     pub disk: ::prost::alloc::string::String,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ListVolumesResponse {
     #[prost(bool, tag = "1")]
@@ -355,7 +319,6 @@ pub struct ListVolumesResponse {
     #[prost(string, optional, tag = "3")]
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct StatVolumeRequest {
     /// indicate which one in the disks
@@ -364,7 +327,6 @@ pub struct StatVolumeRequest {
     #[prost(string, tag = "2")]
     pub volume: ::prost::alloc::string::String,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct StatVolumeResponse {
     #[prost(bool, tag = "1")]
@@ -374,7 +336,6 @@ pub struct StatVolumeResponse {
     #[prost(string, optional, tag = "3")]
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct DeletePathsRequest {
     #[prost(string, tag = "1")]
@@ -384,7 +345,6 @@ pub struct DeletePathsRequest {
     #[prost(string, repeated, tag = "3")]
     pub paths: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct DeletePathsResponse {
     #[prost(bool, tag = "1")]
@@ -392,7 +352,6 @@ pub struct DeletePathsResponse {
     #[prost(string, optional, tag = "2")]
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct UpdateMetadataRequest {
     #[prost(string, tag = "1")]
@@ -406,7 +365,6 @@ pub struct UpdateMetadataRequest {
     #[prost(string, tag = "5")]
     pub opts: ::prost::alloc::string::String,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct UpdateMetadataResponse {
     #[prost(bool, tag = "1")]
@@ -414,7 +372,6 @@ pub struct UpdateMetadataResponse {
     #[prost(string, optional, tag = "2")]
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct WriteMetadataRequest {
     /// indicate which one in the disks
@@ -427,7 +384,6 @@ pub struct WriteMetadataRequest {
     #[prost(string, tag = "4")]
     pub file_info: ::prost::alloc::string::String,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct WriteMetadataResponse {
     #[prost(bool, tag = "1")]
@@ -435,7 +391,6 @@ pub struct WriteMetadataResponse {
     #[prost(string, optional, tag = "2")]
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ReadVersionRequest {
     #[prost(string, tag = "1")]
@@ -449,7 +404,6 @@ pub struct ReadVersionRequest {
     #[prost(string, tag = "5")]
     pub opts: ::prost::alloc::string::String,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ReadVersionResponse {
     #[prost(bool, tag = "1")]
@@ -459,7 +413,6 @@ pub struct ReadVersionResponse {
     #[prost(string, optional, tag = "3")]
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ReadXlRequest {
     #[prost(string, tag = "1")]
@@ -471,7 +424,6 @@ pub struct ReadXlRequest {
     #[prost(bool, tag = "4")]
     pub read_data: bool,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ReadXlResponse {
     #[prost(bool, tag = "1")]
@@ -481,7 +433,6 @@ pub struct ReadXlResponse {
     #[prost(string, optional, tag = "3")]
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct DeleteVersionRequest {
     #[prost(string, tag = "1")]
@@ -497,7 +448,6 @@ pub struct DeleteVersionRequest {
     #[prost(string, tag = "6")]
     pub opts: ::prost::alloc::string::String,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct DeleteVersionResponse {
     #[prost(bool, tag = "1")]
@@ -507,7 +457,6 @@ pub struct DeleteVersionResponse {
     #[prost(string, optional, tag = "3")]
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct DeleteVersionsRequest {
     #[prost(string, tag = "1")]
@@ -519,7 +468,6 @@ pub struct DeleteVersionsRequest {
     #[prost(string, tag = "4")]
     pub opts: ::prost::alloc::string::String,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct DeleteVersionsResponse {
     #[prost(bool, tag = "1")]
@@ -529,7 +477,6 @@ pub struct DeleteVersionsResponse {
     #[prost(string, optional, tag = "3")]
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ReadMultipleRequest {
     #[prost(string, tag = "1")]
@@ -537,7 +484,6 @@ pub struct ReadMultipleRequest {
     #[prost(string, tag = "2")]
     pub read_multiple_req: ::prost::alloc::string::String,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ReadMultipleResponse {
     #[prost(bool, tag = "1")]
@@ -547,7 +493,6 @@ pub struct ReadMultipleResponse {
     #[prost(string, optional, tag = "3")]
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct DeleteVolumeRequest {
     #[prost(string, tag = "1")]
@@ -555,7 +500,6 @@ pub struct DeleteVolumeRequest {
     #[prost(string, tag = "2")]
     pub volume: ::prost::alloc::string::String,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct DeleteVolumeResponse {
     #[prost(bool, tag = "1")]
@@ -564,13 +508,11 @@ pub struct DeleteVolumeResponse {
     pub error_info: ::core::option::Option<::prost::alloc::string::String>,
 }
 /// lock api have same argument type
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct GenerallyLockRequest {
     #[prost(string, tag = "1")]
     pub args: ::prost::alloc::string::String,
 }
-#[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct GenerallyLockResponse {
     #[prost(bool, tag = "1")]
diff --git a/common/protos/src/lib.rs b/common/protos/src/lib.rs
index daadcb4a..edc0aae9 100644
--- a/common/protos/src/lib.rs
+++ b/common/protos/src/lib.rs
@@ -27,8 +27,7 @@ pub async fn node_service_time_out_client(
         Some(channel) => channel.clone(),
         None => {
             let connector = Endpoint::from_shared(addr.to_string())?.connect_timeout(Duration::from_secs(60));
-            let channel = connector.connect().await?;
-            channel
+            connector.connect().await?
         }
     };
     GLOBAL_Conn_Map.write().await.insert(addr.to_string(), channel.clone());
diff --git a/e2e_test/src/reliant/lock.rs b/e2e_test/src/reliant/lock.rs
index d14a3784..0ef8ec4c 100644
--- a/e2e_test/src/reliant/lock.rs
+++ b/e2e_test/src/reliant/lock.rs
@@ -1,55 +1,18 @@
 #![cfg(test)]
 
-use std::{collections::HashMap, error::Error, sync::Arc, time::Duration, vec};
+use std::{error::Error, sync::Arc, time::Duration};
 
-use lazy_static::lazy_static;
 use lock::{
     drwmutex::Options,
     lock_args::LockArgs,
     namespace_lock::{new_nslock, NsLockMap},
     new_lock_api,
 };
-use protos::proto_gen::node_service::{node_service_client::NodeServiceClient, GenerallyLockRequest};
+use protos::{node_service_time_out_client, proto_gen::node_service::GenerallyLockRequest};
 use tokio::sync::RwLock;
-use tonic::{
-    metadata::MetadataValue,
-    service::interceptor::InterceptedService,
-    transport::{Channel, Endpoint},
-    Request, Status,
-};
+use tonic::Request;
 
-lazy_static! {
-    pub static ref GLOBAL_Conn_Map: RwLock<HashMap<String, Channel>> = RwLock::new(HashMap::new());
-}
-
-async fn get_client() -> Result<
-    NodeServiceClient<
-        InterceptedService<Channel, Box<dyn Fn(Request<()>) -> Result<Request<()>, Status> + Send + Sync + 'static>>,
-    >,
-    Box<dyn Error>,
-> {
-    let token: MetadataValue<_> = "rustfs rpc".parse()?;
-    let channel = match GLOBAL_Conn_Map.read().await.get("local") {
-        Some(channel) => channel.clone(),
-        None => {
-            println!("get channel start");
-            let connector = Endpoint::from_static("http://localhost:9000").connect_timeout(Duration::from_secs(60));
-            let channel = connector.connect().await?;
-            // let channel = Channel::from_static("http://localhost:9000").connect().await?;
-            channel
-        }
-    };
-    GLOBAL_Conn_Map.write().await.insert("local".to_owned(), channel.clone());
-
-    // let timeout_channel = Timeout::new(channel, Duration::from_secs(60));
-    Ok(NodeServiceClient::with_interceptor(
-        channel,
-        Box::new(move |mut req: Request<()>| {
-            req.metadata_mut().insert("authorization", token.clone());
-            Ok(req)
-        }),
-    ))
-}
+const CLUSTER_ADDR: &str = "http://localhost:9000";
 
 #[tokio::test]
 async fn test_lock_unlock_rpc() -> Result<(), Box<dyn Error>> {
@@ -62,7 +25,7 @@ async fn test_lock_unlock_rpc() -> Result<(), Box<dyn Error>> {
     };
     let args = serde_json::to_string(&args)?;
 
-    let mut client = get_client().await?;
+    let mut client = node_service_time_out_client(&CLUSTER_ADDR.to_string()).await?;
     println!("got client");
     let request = Request::new(GenerallyLockRequest { args: args.clone() });
 
diff --git a/e2e_test/src/reliant/node_interact_test.rs b/e2e_test/src/reliant/node_interact_test.rs
index d0566c3f..951647f1 100644
--- a/e2e_test/src/reliant/node_interact_test.rs
+++ b/e2e_test/src/reliant/node_interact_test.rs
@@ -3,17 +3,13 @@
 use ecstore::disk::VolumeInfo;
 use protos::{
     models::{PingBody, PingBodyBuilder},
-    proto_gen::node_service::{
-        node_service_client::NodeServiceClient, ListVolumesRequest, MakeVolumeRequest, PingRequest, PingResponse, ReadAllRequest,
-    },
+    node_service_time_out_client,
+    proto_gen::node_service::{ListVolumesRequest, MakeVolumeRequest, PingRequest, PingResponse, ReadAllRequest},
 };
 use std::error::Error;
 use tonic::Request;
 
-async fn get_client() -> Result<NodeServiceClient<tonic::transport::Channel>, Box<dyn Error>> {
-    // Ok(NodeServiceClient::connect("http://220.181.1.138:9000").await?)
-    Ok(NodeServiceClient::connect("http://localhost:9000").await?)
-}
+const CLUSTER_ADDR: &str = "http://localhost:9000";
 
 #[tokio::test]
 async fn ping() -> Result<(), Box<dyn Error>> {
@@ -31,7 +27,7 @@ async fn ping() -> Result<(), Box<dyn Error>> {
     assert!(decoded_payload.is_ok());
 
     // 创建客户端
-    let mut client = get_client().await?;
+    let mut client = node_service_time_out_client(&CLUSTER_ADDR.to_string()).await?;
 
     // 构造 PingRequest
     let request = Request::new(PingRequest {
@@ -55,7 +51,7 @@ async fn ping() -> Result<(), Box<dyn Error>> {
 
 #[tokio::test]
 async fn make_volume() -> Result<(), Box<dyn Error>> {
-    let mut client = get_client().await?;
+    let mut client = node_service_time_out_client(&CLUSTER_ADDR.to_string()).await?;
     let request = Request::new(MakeVolumeRequest {
         disk: "data".to_string(),
         volume: "dandan".to_string(),
@@ -72,7 +68,7 @@ async fn make_volume() -> Result<(), Box<dyn Error>> {
 
 #[tokio::test]
 async fn list_volumes() -> Result<(), Box<dyn Error>> {
-    let mut client = get_client().await?;
+    let mut client = node_service_time_out_client(&CLUSTER_ADDR.to_string()).await?;
     let request = Request::new(ListVolumesRequest {
         disk: "data".to_string(),
     });
@@ -90,7 +86,7 @@ async fn list_volumes() -> Result<(), Box<dyn Error>> {
 
 #[tokio::test]
 async fn read_all() -> Result<(), Box<dyn Error>> {
-    let mut client = get_client().await?;
+    let mut client = node_service_time_out_client(&CLUSTER_ADDR.to_string()).await?;
     let request = Request::new(ReadAllRequest {
         disk: "data".to_string(),
         volume: "ff".to_string(),
diff --git a/ecstore/src/bucket/event/mod.rs b/ecstore/src/bucket/event/mod.rs
index 8f8a96bb..bbd95106 100644
--- a/ecstore/src/bucket/event/mod.rs
+++ b/ecstore/src/bucket/event/mod.rs
@@ -17,12 +17,12 @@ struct Common {
 #[derive(Debug, Deserialize, Serialize, Default, Clone)]
 struct Queue {
     pub common: Common,
-    pub arn: ARN,
+    pub arn: Arn,
 }
 
 // 定义ARN结构体
 #[derive(Debug, Deserialize, Serialize, Default, Clone)]
-pub struct ARN {
+pub struct Arn {
     pub target_id: TargetID,
     pub region: String,
 }
diff --git a/ecstore/src/bucket/metadata.rs b/ecstore/src/bucket/metadata.rs
index 0f67a1ec..5c573bad 100644
--- a/ecstore/src/bucket/metadata.rs
+++ b/ecstore/src/bucket/metadata.rs
@@ -367,7 +367,7 @@ async fn read_bucket_metadata(api: &ECStore, bucket: &str) -> Result<BucketMetad
         return Err(Error::msg("invalid argument"));
     }
 
-    let bm = BucketMetadata::new(&bucket);
+    let bm = BucketMetadata::new(bucket);
     let file_path = bm.save_file_path();
 
     let data = read_config(api, &file_path).await?;
@@ -391,7 +391,7 @@ where
     buf[1] = 0x0c; // 长度
     buf[2] = 0x05; // 时间扩展类型
     BigEndian::write_u64(&mut buf[3..], sec as u64);
-    BigEndian::write_u32(&mut buf[11..], nsec as u32);
+    BigEndian::write_u32(&mut buf[11..], nsec);
     s.serialize_bytes(&buf)
 }
 
diff --git a/ecstore/src/bucket/metadata_sys.rs b/ecstore/src/bucket/metadata_sys.rs
index 8020f173..02dca6d9 100644
--- a/ecstore/src/bucket/metadata_sys.rs
+++ b/ecstore/src/bucket/metadata_sys.rs
@@ -167,10 +167,11 @@ impl BucketMetadataSys {
 
             if !meta.lifecycle_config_xml.is_empty() {
                 let cfg = Lifecycle::unmarshal(&meta.lifecycle_config_xml)?;
-                for _v in cfg.rules.iter() {
-                    // TODO: FIXME:
-                    break;
-                }
+                // TODO: FIXME:
+                // for _v in cfg.rules.iter() {
+                //     break;
+                // }
+                if let Some(_v) = cfg.rules.first() {}
             }
 
             // TODO: other lifecycle handle
@@ -187,15 +188,15 @@ impl BucketMetadataSys {
             None => return Err(Error::msg("errServerNotInitialized")),
         };
 
-        if is_meta_bucketname(&bucket) {
+        if is_meta_bucketname(bucket) {
             return Err(Error::msg("errInvalidArgument"));
         }
 
-        let mut bm = match load_bucket_metadata_parse(store, &bucket, parse).await {
+        let mut bm = match load_bucket_metadata_parse(store, bucket, parse).await {
             Ok(res) => res,
             Err(err) => {
                 if !is_erasure().await && !is_dist_erasure().await && DiskError::VolumeNotFound.is(&err) {
-                    BucketMetadata::new(&bucket)
+                    BucketMetadata::new(bucket)
                 } else {
                     return Err(err);
                 }
@@ -238,7 +239,7 @@ impl BucketMetadataSys {
         }
 
         if let Some(api) = self.api.as_ref() {
-            load_bucket_metadata(&api, bucket).await
+            load_bucket_metadata(api, bucket).await
         } else {
             Err(Error::msg("errBucketMetadataNotInitialized"))
         }
@@ -248,17 +249,13 @@ impl BucketMetadataSys {
         if let Some(api) = self.api.as_ref() {
             let has_bm = {
                 let map = self.metadata_map.read().await;
-                if let Some(bm) = map.get(&bucket.to_string()) {
-                    Some(bm.clone())
-                } else {
-                    None
-                }
+                map.get(&bucket.to_string()).cloned()
             };
 
             if let Some(bm) = has_bm {
-                return Ok((bm, false));
+                Ok((bm, false))
             } else {
-                let bm = match load_bucket_metadata(&api, bucket).await {
+                let bm = match load_bucket_metadata(api, bucket).await {
                     Ok(res) => res,
                     Err(err) => {
                         if *self.initialized.read().await {
diff --git a/ecstore/src/bucket/policy/action.rs b/ecstore/src/bucket/policy/action.rs
index 1ff73244..d6a11738 100644
--- a/ecstore/src/bucket/policy/action.rs
+++ b/ecstore/src/bucket/policy/action.rs
@@ -16,19 +16,14 @@ use super::condition::{
 pub struct ActionSet(HashSet<Action>);
 
 impl ActionSet {
-    pub fn as_ref(&self) -> &HashSet<Action> {
-        &self.0
-    }
     pub fn is_match(&self, act: &Action) -> bool {
         for item in self.0.iter() {
             if item.is_match(act) {
                 return true;
             }
 
-            if item == &Action::GetObjectVersion {
-                if act == &Action::GetObjectVersion {
-                    return true;
-                }
+            if item == &Action::GetObjectVersion && act == &Action::GetObjectVersion {
+                return true;
             }
         }
 
@@ -40,6 +35,12 @@ impl ActionSet {
     }
 }
 
+impl AsRef<HashSet<Action>> for ActionSet {
+    fn as_ref(&self) -> &HashSet<Action> {
+        &self.0
+    }
+}
+
 // 定义Action枚举类型
 #[derive(Debug, Clone, PartialEq, Eq, Deserialize, Serialize, Default, Hash)]
 pub enum Action {
@@ -212,10 +213,10 @@ impl Action {
         false
     }
     pub fn is_match(&self, a: &Action) -> bool {
-        utils::wildcard::match_pattern(&self.clone().as_str(), &a.clone().as_str())
+        utils::wildcard::match_pattern(self.clone().as_str(), a.clone().as_str())
     }
 
-    fn as_str(self) -> &'static str {
+    fn as_str(&self) -> &'static str {
         match self {
             Action::AbortMultipartUpload => "s3:AbortMultipartUpload",
             Action::CreateBucket => "s3:CreateBucket",
diff --git a/ecstore/src/bucket/policy/bucket_policy.rs b/ecstore/src/bucket/policy/bucket_policy.rs
index e2abed39..9947c51b 100644
--- a/ecstore/src/bucket/policy/bucket_policy.rs
+++ b/ecstore/src/bucket/policy/bucket_policy.rs
@@ -97,13 +97,11 @@ impl BPStatement {
                         self.resources, act
                     )));
                 }
-            } else {
-                if !self.resources.bucket_resource_exists() {
-                    return Err(Error::msg(format!(
-                        "unsupported bucket Resource found {:?} for action {:?}",
-                        self.resources, act
-                    )));
-                }
+            } else if !self.resources.bucket_resource_exists() {
+                return Err(Error::msg(format!(
+                    "unsupported bucket Resource found {:?} for action {:?}",
+                    self.resources, act
+                )));
             }
 
             let key_diff = self.conditions.keys().difference(&IAMActionConditionKeyMap.lookup(act));
@@ -129,7 +127,7 @@ impl BPStatement {
             let mut resource = args.bucket_name.clone();
             if !args.object_name.is_empty() {
                 if !args.object_name.starts_with("/") {
-                    resource.push_str("/");
+                    resource.push('/');
                 }
 
                 resource.push_str(&args.object_name);
@@ -160,10 +158,8 @@ pub struct BucketPolicy {
 impl BucketPolicy {
     pub fn is_allowed(&self, args: &BucketPolicyArgs) -> bool {
         for statement in self.statements.iter() {
-            if statement.effect == Effect::Deny {
-                if !statement.is_allowed(args) {
-                    return false;
-                }
+            if statement.effect == Effect::Deny && !statement.is_allowed(args) {
+                return false;
             }
         }
 
@@ -172,10 +168,8 @@ impl BucketPolicy {
         }
 
         for statement in self.statements.iter() {
-            if statement.effect == Effect::Allow {
-                if statement.is_allowed(args) {
-                    return true;
-                }
+            if statement.effect == Effect::Allow && statement.is_allowed(args) {
+                return true;
             }
         }
 
@@ -196,9 +190,7 @@ impl BucketPolicy {
         }
 
         for statement in self.statements.iter() {
-            if let Err(err) = statement.is_valid() {
-                return Err(err);
-            }
+            statement.is_valid()?;
         }
         Ok(())
     }
@@ -219,7 +211,7 @@ impl BucketPolicy {
     }
 
     pub fn unmarshal(buf: &[u8]) -> Result<Self> {
-        let mut p = serde_json::from_slice::<BucketPolicy>(&buf)?;
+        let mut p = serde_json::from_slice::<BucketPolicy>(buf)?;
         p.drop_duplicate_statements();
         Ok(p)
 
diff --git a/ecstore/src/bucket/policy/condition/key.rs b/ecstore/src/bucket/policy/condition/key.rs
index 34d145f3..b317d0a9 100644
--- a/ecstore/src/bucket/policy/condition/key.rs
+++ b/ecstore/src/bucket/policy/condition/key.rs
@@ -24,14 +24,6 @@ impl Key {
         self.name == *name
     }
 
-    pub fn to_string(&self) -> String {
-        if !self.variable.is_empty() {
-            format!("{}/{}", self.name.as_str(), self.variable)
-        } else {
-            self.name.to_string()
-        }
-    }
-
     // VarName - returns variable key name, such as "${aws:username}"
     pub fn var_name(&self) -> String {
         self.name.var_name()
@@ -93,7 +85,11 @@ impl<'de> Deserialize<'de> for Key {
 
 impl fmt::Display for Key {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        write!(f, "{}", self.to_string())
+        if !self.variable.is_empty() {
+            write!(f, "{}/{}", self.name.as_str(), self.variable)
+        } else {
+            write!(f, "{}", self.name)
+        }
     }
 }
 
diff --git a/ecstore/src/bucket/policy/principal.rs b/ecstore/src/bucket/policy/principal.rs
index 4defecb1..cff14c7b 100644
--- a/ecstore/src/bucket/policy/principal.rs
+++ b/ecstore/src/bucket/policy/principal.rs
@@ -16,10 +16,10 @@ impl Principal {
     }
     pub fn is_match(&self, parincipal: &str) -> bool {
         for pattern in self.aws.iter() {
-            if utils::wildcard::match_simple(&pattern, parincipal) {
+            if utils::wildcard::match_simple(pattern, parincipal) {
                 return true;
             }
         }
-        return false;
+        false
     }
 }
diff --git a/ecstore/src/bucket/policy/resource.rs b/ecstore/src/bucket/policy/resource.rs
index 1ef69ab6..6bbbd800 100644
--- a/ecstore/src/bucket/policy/resource.rs
+++ b/ecstore/src/bucket/policy/resource.rs
@@ -3,6 +3,7 @@ use crate::{
     bucket::policy::condition::keyname::COMMOM_KEYS,
     utils::{self, wildcard},
 };
+use core::fmt;
 use serde::{Deserialize, Serialize};
 use std::{
     collections::{HashMap, HashSet},
@@ -18,12 +19,12 @@ pub enum ResourceARNType {
     ResourceARNKMS,
 }
 
-impl ResourceARNType {
-    pub fn to_string(&self) -> String {
+impl fmt::Display for ResourceARNType {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         match self {
-            ResourceARNType::UnknownARN => "".to_string(),
-            ResourceARNType::ResourceARNS3 => RESOURCE_ARN_PREFIX.to_string(),
-            ResourceARNType::ResourceARNKMS => RESOURCE_ARN_KMS_PREFIX.to_string(),
+            ResourceARNType::UnknownARN => write!(f, ""),
+            ResourceARNType::ResourceARNS3 => write!(f, "{}", RESOURCE_ARN_PREFIX),
+            ResourceARNType::ResourceARNKMS => write!(f, "{}", RESOURCE_ARN_KMS_PREFIX),
         }
     }
 }
@@ -60,15 +61,11 @@ impl Resource {
         if self.rtype == ResourceARNType::UnknownARN {
             return false;
         }
-        if self.is_s3() {
-            if self.pattern.starts_with("/") {
-                return false;
-            }
+        if self.is_s3() && self.pattern.starts_with("/") {
+            return false;
         }
-        if self.is_kms() {
-            if self.pattern.as_bytes().iter().any(|&v| v == b'/' || v == b'\\' || v == b'.') {
-                return false;
-            }
+        if self.is_kms() && self.pattern.as_bytes().iter().any(|&v| v == b'/' || v == b'\\' || v == b'.') {
+            return false;
         }
 
         !self.pattern.is_empty()
@@ -90,8 +87,8 @@ impl Resource {
         if !condition_values.is_empty() {
             for key in COMMOM_KEYS.iter() {
                 if let Some(vals) = condition_values.get(key.name()) {
-                    if let Some(v0) = vals.get(0) {
-                        pattern = pattern.replace(key.name(), &v0);
+                    if let Some(v0) = vals.first() {
+                        pattern = pattern.replace(key.name(), v0);
                     }
                 }
             }
@@ -105,9 +102,11 @@ impl Resource {
 
         wildcard::match_pattern(&pattern, res)
     }
+}
 
-    pub fn to_string(&self) -> String {
-        format!("{}{}", self.rtype.to_string(), self.pattern)
+impl fmt::Display for Resource {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}{}", self.rtype, self.pattern)
     }
 }
 
@@ -193,15 +192,11 @@ pub struct ResourceSet(HashSet<Resource>);
 impl ResourceSet {
     pub fn validate_bucket(&self, bucket: &str) -> Result<()> {
         for res in self.0.iter() {
-            if let Err(err) = res.validate_bucket(bucket) {
-                return Err(err);
-            }
+            res.validate_bucket(bucket)?;
         }
         Ok(())
     }
-    pub fn as_ref(&self) -> &HashSet<Resource> {
-        &self.0
-    }
+
     pub fn is_match(&self, res: &str, condition_values: &HashMap<String, Vec<String>>) -> bool {
         for item in self.0.iter() {
             if item.is_match(res, condition_values) {
@@ -229,6 +224,12 @@ impl ResourceSet {
     }
 }
 
+impl AsRef<HashSet<Resource>> for ResourceSet {
+    fn as_ref(&self) -> &HashSet<Resource> {
+        &self.0
+    }
+}
+
 // impl Serialize for ResourceSet {
 //     fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
 //     where
diff --git a/ecstore/src/bucket/policy_sys.rs b/ecstore/src/bucket/policy_sys.rs
index c2c94cb8..184a8c0c 100644
--- a/ecstore/src/bucket/policy_sys.rs
+++ b/ecstore/src/bucket/policy_sys.rs
@@ -16,7 +16,6 @@ impl PolicySys {
                 if !BucketMetadataError::BucketPolicyNotFound.is(&err) {
                     warn!("config get err {:?}", err);
                 }
-                ()
             }
         }
 
diff --git a/ecstore/src/bucket/versioning/mod.rs b/ecstore/src/bucket/versioning/mod.rs
index 04019b21..d36971e2 100644
--- a/ecstore/src/bucket/versioning/mod.rs
+++ b/ecstore/src/bucket/versioning/mod.rs
@@ -63,7 +63,7 @@ impl Versioning {
     pub fn validate(&self) -> Result<()> {
         match self.status {
             State::Suspended => {
-                if self.excluded_prefixes.len() > 0 {
+                if !self.excluded_prefixes.is_empty() {
                     return Err(Error::new(VersioningErr::ExcludedPrefixNotSupported));
                 }
             }
@@ -103,7 +103,7 @@ impl Versioning {
                 return false;
             }
         }
-        return true;
+        true
     }
 
     pub fn suspended(&self) -> bool {
@@ -131,10 +131,10 @@ impl Versioning {
                 }
             }
         }
-        return false;
+        false
     }
 
     pub fn prefixes_excluded(&self) -> bool {
-        self.excluded_prefixes.len() > 0 || self.exclude_folders
+        !self.excluded_prefixes.is_empty() || self.exclude_folders
     }
 }
diff --git a/ecstore/src/config/common.rs b/ecstore/src/config/common.rs
index 6dedfbed..60be3da3 100644
--- a/ecstore/src/config/common.rs
+++ b/ecstore/src/config/common.rs
@@ -17,7 +17,7 @@ pub async fn read_config(api: &ECStore, file: &str) -> Result<Vec<u8>> {
 async fn read_config_with_metadata(api: &ECStore, file: &str, opts: &ObjectOptions) -> Result<(Vec<u8>, ObjectInfo)> {
     let range = HTTPRangeSpec::nil();
     let h = HeaderMap::new();
-    let mut rd = api.get_object_reader(RUSTFS_META_BUCKET, file, range, h, &opts).await?;
+    let mut rd = api.get_object_reader(RUSTFS_META_BUCKET, file, range, h, opts).await?;
 
     let data = rd.read_all().await?;
 
diff --git a/ecstore/src/config/error.rs b/ecstore/src/config/error.rs
index 1628f31d..0ec83565 100644
--- a/ecstore/src/config/error.rs
+++ b/ecstore/src/config/error.rs
@@ -18,7 +18,7 @@ impl ConfigError {
 
 pub fn is_not_found(err: &Error) -> bool {
     if let Some(e) = err.downcast_ref::<ConfigError>() {
-        ConfigError::is_not_found(&e)
+        ConfigError::is_not_found(e)
     } else {
         false
     }
diff --git a/ecstore/src/disk/error.rs b/ecstore/src/disk/error.rs
index 1b24ffc7..2a541430 100644
--- a/ecstore/src/disk/error.rs
+++ b/ecstore/src/disk/error.rs
@@ -324,10 +324,8 @@ pub fn is_sys_err_path_not_found(e: &io::Error) -> bool {
             if no == 3 {
                 return true;
             }
-        } else {
-            if no == 2 {
-                return true;
-            }
+        } else if no == 2 {
+            return true;
         }
     }
     false
diff --git a/ecstore/src/disk/format.rs b/ecstore/src/disk/format.rs
index dcae122b..f2a9775c 100644
--- a/ecstore/src/disk/format.rs
+++ b/ecstore/src/disk/format.rs
@@ -206,7 +206,7 @@ impl FormatV3 {
             }
 
             for j in 0..self.erasure.sets[i].len() {
-                if self.erasure.sets[i][j] != self.erasure.sets[i][j] {
+                if self.erasure.sets[i][j] != other.erasure.sets[i][j] {
                     return Err(Error::from_string(format!(
                         "UUID on positions {}:{} do not match with, expected {:?} got {:?}: (%w)",
                         i,
diff --git a/ecstore/src/disk/local.rs b/ecstore/src/disk/local.rs
index 4eebed41..dade0419 100644
--- a/ecstore/src/disk/local.rs
+++ b/ecstore/src/disk/local.rs
@@ -105,7 +105,7 @@ impl LocalDisk {
         let disk = Self {
             root,
             endpoint: ep.clone(),
-            format_path: format_path,
+            format_path,
             format_info: RwLock::new(format_info),
             // // format_legacy,
             // format_file_info: Mutex::new(format_meta),
@@ -260,35 +260,31 @@ impl LocalDisk {
 
         if recursive {
             self.move_to_trash(delete_path, recursive, immediate_purge).await?;
-        } else {
-            if delete_path.is_dir() {
-                // debug!("delete_file remove_dir {:?}", &delete_path);
-                if let Err(err) = fs::remove_dir(&delete_path).await {
-                    // debug!("remove_dir err {:?} when {:?}", &err, &delete_path);
-                    match err.kind() {
-                        ErrorKind::NotFound => (),
-                        // ErrorKind::DirectoryNotEmpty => (),
-                        kind => {
-                            if kind.to_string() != "directory not empty" {
-                                warn!("delete_file remove_dir {:?} err {}", &delete_path, kind.to_string());
-                                return Err(Error::from(err));
-                            }
-                        }
-                    }
-                }
-                // debug!("delete_file remove_dir done {:?}", &delete_path);
-            } else {
-                if let Err(err) = fs::remove_file(&delete_path).await {
-                    // debug!("remove_file err {:?} when {:?}", &err, &delete_path);
-                    match err.kind() {
-                        ErrorKind::NotFound => (),
-                        _ => {
-                            warn!("delete_file remove_file {:?}  err {:?}", &delete_path, &err);
+        } else if delete_path.is_dir() {
+            // debug!("delete_file remove_dir {:?}", &delete_path);
+            if let Err(err) = fs::remove_dir(&delete_path).await {
+                // debug!("remove_dir err {:?} when {:?}", &err, &delete_path);
+                match err.kind() {
+                    ErrorKind::NotFound => (),
+                    // ErrorKind::DirectoryNotEmpty => (),
+                    kind => {
+                        if kind.to_string() != "directory not empty" {
+                            warn!("delete_file remove_dir {:?} err {}", &delete_path, kind.to_string());
                             return Err(Error::from(err));
                         }
                     }
                 }
             }
+            // debug!("delete_file remove_dir done {:?}", &delete_path);
+        } else if let Err(err) = fs::remove_file(&delete_path).await {
+            // debug!("remove_file err {:?} when {:?}", &err, &delete_path);
+            match err.kind() {
+                ErrorKind::NotFound => (),
+                _ => {
+                    warn!("delete_file remove_file {:?}  err {:?}", &delete_path, &err);
+                    return Err(Error::from(err));
+                }
+            }
         }
 
         if let Some(dir_path) = delete_path.parent() {
@@ -325,7 +321,7 @@ impl LocalDisk {
 
     // FIXME: read_metadata only suport
     async fn read_metadata_with_dmtime(&self, file_path: impl AsRef<Path>) -> Result<(Vec<u8>, Option<OffsetDateTime>)> {
-        check_path_length(&file_path.as_ref().to_string_lossy().to_string())?;
+        check_path_length(file_path.as_ref().to_string_lossy().as_ref())?;
 
         let mut f = utils::fs::open_file(file_path, O_RDONLY).await?;
 
@@ -382,9 +378,7 @@ impl LocalDisk {
                     return Err(Error::new(DiskError::FileNotFound));
                 } else if os_is_permission(&e) {
                     return Err(Error::new(DiskError::FileAccessDenied));
-                } else if is_sys_err_not_dir(&e) || is_sys_err_is_dir(&e) {
-                    return Err(Error::new(DiskError::FileNotFound));
-                } else if is_sys_err_handle_invalid(&e) {
+                } else if is_sys_err_not_dir(&e) || is_sys_err_is_dir(&e) || is_sys_err_handle_invalid(&e) {
                     return Err(Error::new(DiskError::FileNotFound));
                 } else if is_sys_err_io(&e) {
                     return Err(Error::new(DiskError::FaultyDisk));
@@ -444,7 +438,7 @@ impl LocalDisk {
             let data_dir = fm.delete_version(fi)?;
             warn!("删除版本号 对应data_dir {:?}", &data_dir);
             if data_dir.is_some() {
-                let dir_path = self.get_object_path(volume, format!("{}/{}", path, data_dir.unwrap().to_string()).as_str())?;
+                let dir_path = self.get_object_path(volume, format!("{}/{}", path, data_dir.unwrap()).as_str())?;
                 self.move_to_trash(&dir_path, true, false).await?;
             }
         }
@@ -460,7 +454,7 @@ impl LocalDisk {
         // 更新xl.meta
         let buf = fm.marshal_msg()?;
 
-        let volume_dir = self.get_bucket_path(&volume)?;
+        let volume_dir = self.get_bucket_path(volume)?;
 
         self.write_all_private(
             volume,
@@ -475,9 +469,9 @@ impl LocalDisk {
     }
 
     async fn write_all_meta(&self, volume: &str, path: &str, buf: &[u8], sync: bool) -> Result<()> {
-        let volume_dir = self.get_bucket_path(&volume)?;
+        let volume_dir = self.get_bucket_path(volume)?;
         let file_path = volume_dir.join(Path::new(&path));
-        check_path_length(&file_path.to_string_lossy().to_string())?;
+        check_path_length(file_path.to_string_lossy().as_ref())?;
 
         let tmp_volume_dir = self.get_bucket_path(super::RUSTFS_META_TMP_BUCKET)?;
         let tmp_file_path = tmp_volume_dir.join(Path::new(Uuid::new_v4().to_string().as_str()));
@@ -494,9 +488,9 @@ impl LocalDisk {
             format_info.data = data.clone();
         }
 
-        let volume_dir = self.get_bucket_path(&volume)?;
+        let volume_dir = self.get_bucket_path(volume)?;
 
-        self.write_all_private(&volume, &path, &data, true, volume_dir).await?;
+        self.write_all_private(volume, path, &data, true, volume_dir).await?;
 
         Ok(())
     }
@@ -510,9 +504,9 @@ impl LocalDisk {
         sync: bool,
         skip_parent: impl AsRef<Path>,
     ) -> Result<()> {
-        let volume_dir = self.get_bucket_path(&volume)?;
+        let volume_dir = self.get_bucket_path(volume)?;
         let file_path = volume_dir.join(Path::new(&path));
-        check_path_length(&file_path.to_string_lossy().to_string())?;
+        check_path_length(file_path.to_string_lossy().as_ref())?;
 
         self.write_all_internal(file_path, buf, sync, skip_parent).await
     }
@@ -553,9 +547,7 @@ impl LocalDisk {
         let f = utils::fs::open_file(path.as_ref(), mode).await.map_err(|e| {
             if is_sys_err_io(&e) {
                 Error::new(DiskError::IsNotRegular)
-            } else if os_is_permission(&e) {
-                Error::new(DiskError::FileAccessDenied)
-            } else if is_sys_err_not_dir(&e) {
+            } else if os_is_permission(&e) || is_sys_err_not_dir(&e) {
                 Error::new(DiskError::FileAccessDenied)
             } else if is_sys_err_io(&e) {
                 Error::new(DiskError::FaultyDisk)
@@ -669,7 +661,7 @@ impl DiskAPI for LocalDisk {
     async fn get_disk_id(&self) -> Result<Option<Uuid>> {
         let mut format_info = self.format_info.write().await;
 
-        let id = format_info.id.clone();
+        let id = format_info.id;
 
         if format_info.last_check_valid() {
             return Ok(id);
@@ -732,7 +724,7 @@ impl DiskAPI for LocalDisk {
     async fn read_all(&self, volume: &str, path: &str) -> Result<Vec<u8>> {
         if volume == super::RUSTFS_META_BUCKET && path == super::FORMAT_CONFIG_FILE {
             let format_info = self.format_info.read().await;
-            if format_info.data.len() > 0 {
+            if !format_info.data.is_empty() {
                 return Ok(format_info.data.clone());
             }
         }
@@ -774,18 +766,18 @@ impl DiskAPI for LocalDisk {
             utils::fs::access(&dst_volume_dir).await.map_err(map_err_not_exists)?
         }
 
-        let src_is_dir = has_suffix(&src_path, SLASH_SEPARATOR);
-        let dst_is_dir = has_suffix(&dst_path, SLASH_SEPARATOR);
+        let src_is_dir = has_suffix(src_path, SLASH_SEPARATOR);
+        let dst_is_dir = has_suffix(dst_path, SLASH_SEPARATOR);
 
-        if !(src_is_dir && dst_is_dir || !src_is_dir && !dst_is_dir) {
+        if !src_is_dir && dst_is_dir || src_is_dir && !dst_is_dir {
             return Err(Error::from(DiskError::FileAccessDenied));
         }
 
         let src_file_path = src_volume_dir.join(Path::new(src_path));
         let dst_file_path = dst_volume_dir.join(Path::new(dst_path));
 
-        check_path_length(&src_file_path.to_string_lossy().to_string())?;
-        check_path_length(&dst_file_path.to_string_lossy().to_string())?;
+        check_path_length(src_file_path.to_string_lossy().as_ref())?;
+        check_path_length(dst_file_path.to_string_lossy().as_ref())?;
 
         if src_is_dir {
             let meta_op = match lstat(&src_file_path).await {
@@ -831,7 +823,7 @@ impl DiskAPI for LocalDisk {
             return Err(err);
         }
 
-        if let Err(err) = self.write_all(&dst_volume, format!("{}.meta", dst_path).as_str(), meta).await {
+        if let Err(err) = self.write_all(dst_volume, format!("{}.meta", dst_path).as_str(), meta).await {
             if let Some(e) = err.to_io_err() {
                 return Err(os_err_to_file_err(e));
             }
@@ -871,9 +863,9 @@ impl DiskAPI for LocalDisk {
             }
         }
 
-        let src_is_dir = has_suffix(&src_path, SLASH_SEPARATOR);
-        let dst_is_dir = has_suffix(&dst_path, SLASH_SEPARATOR);
-        if !(src_is_dir && dst_is_dir || !src_is_dir && !dst_is_dir) {
+        let src_is_dir = has_suffix(src_path, SLASH_SEPARATOR);
+        let dst_is_dir = has_suffix(dst_path, SLASH_SEPARATOR);
+        if (dst_is_dir || src_is_dir) && (!dst_is_dir || !src_is_dir) {
             return Err(Error::from(DiskError::FileAccessDenied));
         }
 
@@ -937,7 +929,7 @@ impl DiskAPI for LocalDisk {
     // TODO: use io.reader
     async fn create_file(&self, origvolume: &str, volume: &str, path: &str, _file_size: usize) -> Result<FileWriter> {
         if !origvolume.is_empty() {
-            let origvolume_dir = self.get_bucket_path(&origvolume)?;
+            let origvolume_dir = self.get_bucket_path(origvolume)?;
             if !skip_access_checks(origvolume) {
                 if let Err(e) = utils::fs::access(origvolume_dir).await {
                     return Err(convert_access_error(e, DiskError::VolumeAccessDenied));
@@ -945,7 +937,7 @@ impl DiskAPI for LocalDisk {
             }
         }
 
-        let volume_dir = self.get_bucket_path(&volume)?;
+        let volume_dir = self.get_bucket_path(volume)?;
         let file_path = volume_dir.join(Path::new(&path));
         check_path_length(file_path.to_string_lossy().to_string().as_str())?;
 
@@ -963,7 +955,7 @@ impl DiskAPI for LocalDisk {
     }
     // async fn append_file(&self, volume: &str, path: &str, mut r: DuplexStream) -> Result<File> {
     async fn append_file(&self, volume: &str, path: &str) -> Result<FileWriter> {
-        let volume_dir = self.get_bucket_path(&volume)?;
+        let volume_dir = self.get_bucket_path(volume)?;
         if !skip_access_checks(volume) {
             if let Err(e) = utils::fs::access(&volume_dir).await {
                 return Err(convert_access_error(e, DiskError::VolumeAccessDenied));
@@ -980,7 +972,7 @@ impl DiskAPI for LocalDisk {
 
     // TODO: io verifier
     async fn read_file(&self, volume: &str, path: &str) -> Result<FileReader> {
-        let volume_dir = self.get_bucket_path(&volume)?;
+        let volume_dir = self.get_bucket_path(volume)?;
         if !skip_access_checks(volume) {
             if let Err(e) = utils::fs::access(&volume_dir).await {
                 return Err(convert_access_error(e, DiskError::VolumeAccessDenied));
@@ -994,9 +986,7 @@ impl DiskAPI for LocalDisk {
             if let Some(e) = err.to_io_err() {
                 if os_is_not_exist(&e) {
                     Error::new(DiskError::FileNotFound)
-                } else if os_is_permission(&e) {
-                    Error::new(DiskError::FileAccessDenied)
-                } else if is_sys_err_not_dir(&e) {
+                } else if os_is_permission(&e) || is_sys_err_not_dir(&e) {
                     Error::new(DiskError::FileAccessDenied)
                 } else if is_sys_err_io(&e) {
                     Error::new(DiskError::FaultyDisk)
@@ -1015,7 +1005,7 @@ impl DiskAPI for LocalDisk {
 
     async fn list_dir(&self, origvolume: &str, volume: &str, dir_path: &str, count: i32) -> Result<Vec<String>> {
         if !origvolume.is_empty() {
-            let origvolume_dir = self.get_bucket_path(&origvolume)?;
+            let origvolume_dir = self.get_bucket_path(origvolume)?;
             if !skip_access_checks(origvolume) {
                 if let Err(e) = utils::fs::access(origvolume_dir).await {
                     return Err(convert_access_error(e, DiskError::VolumeAccessDenied));
@@ -1023,13 +1013,13 @@ impl DiskAPI for LocalDisk {
             }
         }
 
-        let volume_dir = self.get_bucket_path(&volume)?;
+        let volume_dir = self.get_bucket_path(volume)?;
         let dir_path_abs = volume_dir.join(Path::new(&dir_path));
 
         let entries = match os::read_dir(&dir_path_abs, count).await {
             Ok(res) => res,
             Err(e) => {
-                if DiskError::FileNotFound.is(&e) && !skip_access_checks(&volume) {
+                if DiskError::FileNotFound.is(&e) && !skip_access_checks(volume) {
                     if let Err(e) = utils::fs::access(&volume_dir).await {
                         return Err(convert_access_error(e, DiskError::VolumeAccessDenied));
                     }
@@ -1129,11 +1119,7 @@ impl DiskAPI for LocalDisk {
         let has_data_dir_path = {
             let has_data_dir = {
                 if !fi.is_remote() {
-                    if let Some(dir) = fi.data_dir {
-                        Some(utils::path::retain_slash(dir.to_string().as_str()))
-                    } else {
-                        None
-                    }
+                    fi.data_dir.map(|dir| utils::path::retain_slash(dir.to_string().as_str()))
                 } else {
                     None
                 }
@@ -1153,8 +1139,8 @@ impl DiskAPI for LocalDisk {
             }
         };
 
-        check_path_length(&src_file_path.to_string_lossy().to_string().as_str())?;
-        check_path_length(&dst_file_path.to_string_lossy().to_string().as_str())?;
+        check_path_length(src_file_path.to_string_lossy().to_string().as_str())?;
+        check_path_length(dst_file_path.to_string_lossy().to_string().as_str())?;
 
         // 读旧xl.meta
 
@@ -1178,8 +1164,8 @@ impl DiskAPI for LocalDisk {
         let mut xlmeta = FileMeta::new();
 
         if let Some(dst_buf) = has_dst_buf.as_ref() {
-            if FileMeta::is_xl_format(&dst_buf) {
-                if let Ok(nmeta) = FileMeta::load(&dst_buf) {
+            if FileMeta::is_xl_format(dst_buf) {
+                if let Ok(nmeta) = FileMeta::load(dst_buf) {
                     xlmeta = nmeta
                 }
             }
@@ -1198,7 +1184,7 @@ impl DiskAPI for LocalDisk {
             if let Ok((_, ver)) = xlmeta.find_version(fi.version_id) {
                 let has_data_dir = ver.get_data_dir();
                 if let Some(data_dir) = has_data_dir {
-                    if xlmeta.shard_data_dir_count(&fi.version_id, &Some(data_dir.clone())) == 0 {
+                    if xlmeta.shard_data_dir_count(&fi.version_id, &Some(data_dir)) == 0 {
                         // TODO: Healing
                         // remove inlinedata\
                         Some(data_dir)
@@ -1221,7 +1207,7 @@ impl DiskAPI for LocalDisk {
 
         let new_dst_buf = xlmeta.marshal_msg()?;
 
-        self.write_all(&src_volume, format!("{}/{}", &src_path, super::STORAGE_FORMAT_FILE).as_str(), new_dst_buf)
+        self.write_all(src_volume, format!("{}/{}", &src_path, super::STORAGE_FORMAT_FILE).as_str(), new_dst_buf)
             .await
             .map_err(|err| {
                 if let Some(e) = err.to_io_err() {
@@ -1235,7 +1221,7 @@ impl DiskAPI for LocalDisk {
             let no_inline = fi.data.is_none() && fi.size > 0;
             if no_inline {
                 if let Err(err) = os::rename_all(&src_data_path, &dst_data_path, &skip_parent).await {
-                    let _ = self.delete_file(&dst_volume_dir, &dst_data_path, false, false).await;
+                    let _ = self.delete_file(&dst_volume_dir, dst_data_path, false, false).await;
 
                     return Err({
                         if let Some(e) = err.to_io_err() {
@@ -1253,7 +1239,7 @@ impl DiskAPI for LocalDisk {
             if let Some(dst_buf) = has_dst_buf {
                 if let Err(err) = self
                     .write_all_private(
-                        &dst_volume,
+                        dst_volume,
                         format!("{}/{}/{}", &dst_path, &old_data_dir.to_string(), super::STORAGE_FORMAT_FILE).as_str(),
                         &dst_buf,
                         true,
@@ -1274,7 +1260,7 @@ impl DiskAPI for LocalDisk {
 
         if let Err(err) = os::rename_all(&src_file_path, &dst_file_path, &skip_parent).await {
             if let Some((_, dst_data_path)) = has_data_dir_path.as_ref() {
-                let _ = self.delete_file(&dst_volume_dir, &dst_data_path, false, false).await;
+                let _ = self.delete_file(&dst_volume_dir, dst_data_path, false, false).await;
             }
             return Err({
                 if let Some(e) = err.to_io_err() {
@@ -1339,9 +1325,7 @@ impl DiskAPI for LocalDisk {
         let mut volumes = Vec::new();
 
         let entries = os::read_dir(&self.root, -1).await.map_err(|e| {
-            if DiskError::FileAccessDenied.is(&e) {
-                Error::new(DiskError::DiskAccessDenied)
-            } else if DiskError::FileNotFound.is(&e) {
+            if DiskError::FileAccessDenied.is(&e) || DiskError::FileNotFound.is(&e) {
                 Error::new(DiskError::DiskAccessDenied)
             } else {
                 e
@@ -1399,7 +1383,7 @@ impl DiskAPI for LocalDisk {
         for path in paths.iter() {
             let file_path = volume_dir.join(Path::new(path));
 
-            check_path_length(&file_path.to_string_lossy().to_string())?;
+            check_path_length(file_path.to_string_lossy().as_ref())?;
 
             self.move_to_trash(&file_path, false, false).await?;
         }
@@ -1407,14 +1391,14 @@ impl DiskAPI for LocalDisk {
         Ok(())
     }
     async fn update_metadata(&self, volume: &str, path: &str, fi: FileInfo, opts: UpdateMetadataOpts) -> Result<()> {
-        if let Some(_) = &fi.metadata {
-            let volume_dir = self.get_bucket_path(&volume)?;
+        if fi.metadata.is_some() {
+            let volume_dir = self.get_bucket_path(volume)?;
             let file_path = volume_dir.join(Path::new(&path));
 
-            check_path_length(&file_path.to_string_lossy().to_string())?;
+            check_path_length(file_path.to_string_lossy().as_ref())?;
 
             let buf = self
-                .read_all(&volume, format!("{}/{}", &path, super::STORAGE_FORMAT_FILE).as_str())
+                .read_all(volume, format!("{}/{}", &path, super::STORAGE_FORMAT_FILE).as_str())
                 .await
                 .map_err(|e| {
                     if DiskError::FileNotFound.is(&e) && fi.version_id.is_some() {
@@ -1436,7 +1420,7 @@ impl DiskAPI for LocalDisk {
 
             return self
                 .write_all_meta(
-                    &volume,
+                    volume,
                     format!("{}/{}", path, super::STORAGE_FORMAT_FILE).as_str(),
                     &wbuf,
                     !opts.no_persistence,
@@ -1457,7 +1441,6 @@ impl DiskAPI for LocalDisk {
             if !buf.is_empty() {
                 let _ = meta.unmarshal_msg(&buf).map_err(|_| {
                     meta = FileMeta::new();
-                    ()
                 });
             }
         }
@@ -1509,7 +1492,7 @@ impl DiskAPI for LocalDisk {
         _force_del_marker: bool,
         _opts: DeleteOptions,
     ) -> Result<RawFileInfo> {
-        let _volume_dir = self.get_bucket_path(&volume)?;
+        let _volume_dir = self.get_bucket_path(volume)?;
 
         // self.read_all_data(bucket, volume_dir, path);
 
diff --git a/ecstore/src/disk/mod.rs b/ecstore/src/disk/mod.rs
index bbe561e6..bef7364f 100644
--- a/ecstore/src/disk/mod.rs
+++ b/ecstore/src/disk/mod.rs
@@ -399,7 +399,7 @@ impl LocalFileWriter {
 #[async_trait::async_trait]
 impl Write for LocalFileWriter {
     async fn write(&mut self, buf: &[u8]) -> Result<()> {
-        self.inner.write(buf).await?;
+        let _ = self.inner.write(buf).await?;
         self.inner.flush().await?;
 
         Ok(())
diff --git a/ecstore/src/disk/os.rs b/ecstore/src/disk/os.rs
index cb118d6a..367a36cc 100644
--- a/ecstore/src/disk/os.rs
+++ b/ecstore/src/disk/os.rs
@@ -55,9 +55,7 @@ pub async fn make_dir_all(path: impl AsRef<Path>, base_dir: impl AsRef<Path>) ->
     check_path_length(path.as_ref().to_string_lossy().to_string().as_str())?;
 
     if let Err(e) = reliable_mkdir_all(path.as_ref(), base_dir.as_ref()).await {
-        if is_sys_err_not_dir(&e) {
-            return Err(Error::new(DiskError::FileAccessDenied));
-        } else if is_sys_err_path_not_found(&e) {
+        if is_sys_err_not_dir(&e) || is_sys_err_path_not_found(&e) {
             return Err(Error::new(DiskError::FileAccessDenied));
         }
 
@@ -78,7 +76,7 @@ pub async fn read_dir(path: impl AsRef<Path>, count: i32) -> Result<Vec<String>>
     while let Some(entry) = entries.next_entry().await? {
         let name = entry.file_name().to_string_lossy().to_string();
 
-        if name == "" || name == "." || name == ".." {
+        if name.is_empty() || name == "." || name == ".." {
             continue;
         }
 
@@ -103,9 +101,7 @@ pub async fn rename_all(
     base_dir: impl AsRef<Path>,
 ) -> Result<()> {
     reliable_rename(src_file_path, dst_file_path, base_dir).await.map_err(|e| {
-        if is_sys_err_not_dir(&e) || !os_is_not_exist(&e) {
-            Error::new(DiskError::FileAccessDenied)
-        } else if is_sys_err_path_not_found(&e) {
+        if is_sys_err_not_dir(&e) || !os_is_not_exist(&e) || is_sys_err_path_not_found(&e) {
             Error::new(DiskError::FileAccessDenied)
         } else if os_is_not_exist(&e) {
             Error::new(DiskError::FileNotFound)
@@ -174,10 +170,8 @@ pub async fn reliable_mkdir_all(path: impl AsRef<Path>, base_dir: impl AsRef<Pat
 }
 
 pub async fn os_mkdir_all(dir_path: impl AsRef<Path>, base_dir: impl AsRef<Path>) -> io::Result<()> {
-    if !base_dir.as_ref().to_string_lossy().is_empty() {
-        if base_dir.as_ref().starts_with(dir_path.as_ref()) {
-            return Ok(());
-        }
+    if !base_dir.as_ref().to_string_lossy().is_empty() && base_dir.as_ref().starts_with(dir_path.as_ref()) {
+        return Ok(());
     }
 
     if let Some(parent) = dir_path.as_ref().parent() {
diff --git a/ecstore/src/disk/remote.rs b/ecstore/src/disk/remote.rs
index b71c4c10..43fbd408 100644
--- a/ecstore/src/disk/remote.rs
+++ b/ecstore/src/disk/remote.rs
@@ -66,7 +66,7 @@ impl DiskAPI for RemoteDisk {
     }
     async fn is_online(&self) -> bool {
         // TODO: 连接状态
-        if let Ok(_) = node_service_time_out_client(&self.addr).await {
+        if (node_service_time_out_client(&self.addr).await).is_ok() {
             return true;
         }
         false
@@ -90,7 +90,7 @@ impl DiskAPI for RemoteDisk {
     }
 
     async fn get_disk_id(&self) -> Result<Option<Uuid>> {
-        Ok(self.id.lock().await.clone())
+        Ok(*self.id.lock().await)
     }
     async fn set_disk_id(&self, id: Option<Uuid>) -> Result<()> {
         let mut lock = self.id.lock().await;
@@ -103,7 +103,7 @@ impl DiskAPI for RemoteDisk {
         info!("read_all");
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(ReadAllRequest {
             disk: self.root.to_string_lossy().to_string(),
             volume: volume.to_string(),
@@ -125,7 +125,7 @@ impl DiskAPI for RemoteDisk {
         info!("write_all");
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(WriteAllRequest {
             disk: self.root.to_string_lossy().to_string(),
             volume: volume.to_string(),
@@ -147,7 +147,7 @@ impl DiskAPI for RemoteDisk {
         let options = serde_json::to_string(&opt)?;
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(DeleteRequest {
             disk: self.root.to_string_lossy().to_string(),
             volume: volume.to_string(),
@@ -167,7 +167,7 @@ impl DiskAPI for RemoteDisk {
         info!("rename_part");
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(RenamePartRequst {
             disk: self.root.to_string_lossy().to_string(),
             src_volume: src_volume.to_string(),
@@ -189,7 +189,7 @@ impl DiskAPI for RemoteDisk {
         info!("rename_file");
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(RenameFileRequst {
             disk: self.root.to_string_lossy().to_string(),
             src_volume: src_volume.to_string(),
@@ -217,7 +217,7 @@ impl DiskAPI for RemoteDisk {
                 false,
                 node_service_time_out_client(&self.addr)
                     .await
-                    .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?,
+                    .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?,
             )
             .await?,
         ))
@@ -233,7 +233,7 @@ impl DiskAPI for RemoteDisk {
                 true,
                 node_service_time_out_client(&self.addr)
                     .await
-                    .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?,
+                    .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?,
             )
             .await?,
         ))
@@ -248,7 +248,7 @@ impl DiskAPI for RemoteDisk {
                 path.to_string(),
                 node_service_time_out_client(&self.addr)
                     .await
-                    .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?,
+                    .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?,
             )
             .await?,
         ))
@@ -258,7 +258,7 @@ impl DiskAPI for RemoteDisk {
         info!("list_dir");
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(ListDirRequest {
             disk: self.root.to_string_lossy().to_string(),
             volume: volume.to_string(),
@@ -278,7 +278,7 @@ impl DiskAPI for RemoteDisk {
         let walk_dir_options = serde_json::to_string(&opts)?;
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(WalkDirRequest {
             disk: self.root.to_string_lossy().to_string(),
             walk_dir_options,
@@ -311,7 +311,7 @@ impl DiskAPI for RemoteDisk {
         let file_info = serde_json::to_string(&fi)?;
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(RenameDataRequest {
             disk: self.root.to_string_lossy().to_string(),
             src_volume: src_volume.to_string(),
@@ -336,7 +336,7 @@ impl DiskAPI for RemoteDisk {
         info!("make_volumes");
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(MakeVolumesRequest {
             disk: self.root.to_string_lossy().to_string(),
             volumes: volumes.iter().map(|s| (*s).to_string()).collect(),
@@ -355,7 +355,7 @@ impl DiskAPI for RemoteDisk {
         info!("make_volume");
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(MakeVolumeRequest {
             disk: self.root.to_string_lossy().to_string(),
             volume: volume.to_string(),
@@ -374,7 +374,7 @@ impl DiskAPI for RemoteDisk {
         info!("list_volumes");
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(ListVolumesRequest {
             disk: self.root.to_string_lossy().to_string(),
         });
@@ -398,7 +398,7 @@ impl DiskAPI for RemoteDisk {
         info!("stat_volume");
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(StatVolumeRequest {
             disk: self.root.to_string_lossy().to_string(),
             volume: volume.to_string(),
@@ -420,7 +420,7 @@ impl DiskAPI for RemoteDisk {
         let paths = paths.iter().map(|s| s.to_string()).collect::<Vec<String>>();
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(DeletePathsRequest {
             disk: self.root.to_string_lossy().to_string(),
             volume: volume.to_string(),
@@ -442,7 +442,7 @@ impl DiskAPI for RemoteDisk {
 
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(UpdateMetadataRequest {
             disk: self.root.to_string_lossy().to_string(),
             volume: volume.to_string(),
@@ -465,7 +465,7 @@ impl DiskAPI for RemoteDisk {
         let file_info = serde_json::to_string(&fi)?;
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(WriteMetadataRequest {
             disk: self.root.to_string_lossy().to_string(),
             volume: volume.to_string(),
@@ -494,7 +494,7 @@ impl DiskAPI for RemoteDisk {
         let opts = serde_json::to_string(opts)?;
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(ReadVersionRequest {
             disk: self.root.to_string_lossy().to_string(),
             volume: volume.to_string(),
@@ -518,7 +518,7 @@ impl DiskAPI for RemoteDisk {
         info!("read_xl");
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(ReadXlRequest {
             disk: self.root.to_string_lossy().to_string(),
             volume: volume.to_string(),
@@ -550,7 +550,7 @@ impl DiskAPI for RemoteDisk {
 
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(DeleteVersionRequest {
             disk: self.root.to_string_lossy().to_string(),
             volume: volume.to_string(),
@@ -584,7 +584,7 @@ impl DiskAPI for RemoteDisk {
         }
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(DeleteVersionsRequest {
             disk: self.root.to_string_lossy().to_string(),
             volume: volume.to_string(),
@@ -619,7 +619,7 @@ impl DiskAPI for RemoteDisk {
         let read_multiple_req = serde_json::to_string(&req)?;
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(ReadMultipleRequest {
             disk: self.root.to_string_lossy().to_string(),
             read_multiple_req,
@@ -644,7 +644,7 @@ impl DiskAPI for RemoteDisk {
         info!("delete_volume");
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(DeleteVolumeRequest {
             disk: self.root.to_string_lossy().to_string(),
             volume: volume.to_string(),
diff --git a/ecstore/src/disks_layout.rs b/ecstore/src/disks_layout.rs
index d0296188..0f24fe59 100644
--- a/ecstore/src/disks_layout.rs
+++ b/ecstore/src/disks_layout.rs
@@ -98,7 +98,7 @@ impl DisksLayout {
             Ok(res) => res,
             Err(err) => {
                 debug!("{} not set use default:0, {:?}", ENV_RUSTFS_ERASURE_SET_DRIVE_COUNT, err);
-                format!("0")
+                "0".to_string()
             }
         };
         let set_drive_count: usize = set_drive_count_env.parse()?;
@@ -425,8 +425,7 @@ fn get_set_indexes<T: AsRef<str>>(
                 )));
             }
             // Final set size with all the symmetry accounted for.
-            let set_size = common_set_drive_count(common_size, &set_counts);
-            set_size
+            common_set_drive_count(common_size, &set_counts)
         }
     };
 
diff --git a/ecstore/src/endpoints.rs b/ecstore/src/endpoints.rs
index f8bec4f1..c5ff9cbf 100644
--- a/ecstore/src/endpoints.rs
+++ b/ecstore/src/endpoints.rs
@@ -444,7 +444,7 @@ impl EndpointServerPools {
     }
 
     pub fn es_count(&self) -> usize {
-        self.0.iter().map(|v| v.set_count).count()
+        self.0.iter().map(|v| v.set_count).sum()
     }
 
     /// add pool endpoints
diff --git a/ecstore/src/error.rs b/ecstore/src/error.rs
index db5b2756..78659433 100644
--- a/ecstore/src/error.rs
+++ b/ecstore/src/error.rs
@@ -67,11 +67,8 @@ impl Error {
     }
 
     pub fn to_io_err(&self) -> Option<io::Error> {
-        if let Some(e) = self.downcast_ref::<io::Error>() {
-            Some(io::Error::new(e.kind(), e.to_string()))
-        } else {
-            None
-        }
+        self.downcast_ref::<io::Error>()
+            .map(|e| io::Error::new(e.kind(), e.to_string()))
     }
 }
 
diff --git a/ecstore/src/global.rs b/ecstore/src/global.rs
index 1b24924c..878c6194 100644
--- a/ecstore/src/global.rs
+++ b/ecstore/src/global.rs
@@ -35,12 +35,12 @@ pub async fn set_object_layer(o: ECStore) {
 
 pub async fn is_dist_erasure() -> bool {
     let lock = GLOBAL_IsDistErasure.read().await;
-    *lock == true
+    *lock
 }
 
 pub async fn is_erasure() -> bool {
     let lock = GLOBAL_IsErasure.read().await;
-    *lock == true
+    *lock
 }
 
 pub async fn update_erasure_type(setup_type: SetupType) {
diff --git a/ecstore/src/peer.rs b/ecstore/src/peer.rs
index a1b6deb0..a02f6e8e 100644
--- a/ecstore/src/peer.rs
+++ b/ecstore/src/peer.rs
@@ -145,7 +145,7 @@ impl S3PeerSys {
     pub async fn delete_bucket(&self, bucket: &str, opts: &DeleteBucketOptions) -> Result<()> {
         let mut futures = Vec::with_capacity(self.clients.len());
         for cli in self.clients.iter() {
-            futures.push(cli.delete_bucket(bucket, &opts));
+            futures.push(cli.delete_bucket(bucket, opts));
         }
 
         let mut errors = Vec::with_capacity(self.clients.len());
@@ -385,13 +385,10 @@ impl PeerS3Client for LocalPeerS3Client {
 
         // errVolumeNotEmpty 不删除，把已经删除的重新创建
 
-        let mut idx = 0;
-        for err in errs {
+        for (idx, err) in errs.into_iter().enumerate() {
             if err.is_none() && recreate {
                 let _ = local_disks[idx].make_volume(bucket).await;
             }
-
-            idx += 1;
         }
 
         if recreate {
@@ -413,7 +410,7 @@ pub struct RemotePeerS3Client {
 
 impl RemotePeerS3Client {
     fn new(node: Option<Node>, pools: Option<Vec<usize>>) -> Self {
-        let addr = format!("{}", node.as_ref().map(|v| { v.url.to_string() }).unwrap_or_default());
+        let addr = node.as_ref().map(|v| v.url.to_string()).unwrap_or_default().to_string();
         Self { node, pools, addr }
     }
 }
@@ -427,7 +424,7 @@ impl PeerS3Client for RemotePeerS3Client {
         let options = serde_json::to_string(opts)?;
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(ListBucketRequest { options });
         let response = client.list_bucket(request).await?.into_inner();
         let bucket_infos = response
@@ -442,7 +439,7 @@ impl PeerS3Client for RemotePeerS3Client {
         let options = serde_json::to_string(opts)?;
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(MakeBucketRequest {
             name: bucket.to_string(),
             options,
@@ -460,7 +457,7 @@ impl PeerS3Client for RemotePeerS3Client {
         let options = serde_json::to_string(opts)?;
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
         let request = Request::new(GetBucketInfoRequest {
             bucket: bucket.to_string(),
             options,
@@ -474,7 +471,7 @@ impl PeerS3Client for RemotePeerS3Client {
     async fn delete_bucket(&self, bucket: &str, _opts: &DeleteBucketOptions) -> Result<()> {
         let mut client = node_service_time_out_client(&self.addr)
             .await
-            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err.to_string())))?;
+            .map_err(|err| Error::from_string(format!("can not get client, err: {}", err)))?;
 
         let request = Request::new(DeleteBucketRequest {
             bucket: bucket.to_string(),
diff --git a/ecstore/src/quorum.rs b/ecstore/src/quorum.rs
index a3850077..d703f563 100644
--- a/ecstore/src/quorum.rs
+++ b/ecstore/src/quorum.rs
@@ -41,12 +41,12 @@ pub fn object_op_ignored_errs() -> Vec<Box<dyn CheckErrorFn>> {
 }
 
 // 用于检查错误是否被忽略的函数
-fn is_err_ignored(err: &Error, ignored_errs: &Vec<Box<dyn CheckErrorFn>>) -> bool {
+fn is_err_ignored(err: &Error, ignored_errs: &[Box<dyn CheckErrorFn>]) -> bool {
     ignored_errs.iter().any(|ignored_err| ignored_err.is(err))
 }
 
 // 减少错误数量并返回出现次数最多的错误
-fn reduce_errs(errs: &Vec<Option<Error>>, ignored_errs: &Vec<Box<dyn CheckErrorFn>>) -> (usize, Option<Error>) {
+fn reduce_errs(errs: &[Option<Error>], ignored_errs: &[Box<dyn CheckErrorFn>]) -> (usize, Option<Error>) {
     let mut error_counts: HashMap<String, usize> = HashMap::new();
     let mut error_map: HashMap<String, usize> = HashMap::new(); // 存err位置
     let nil = "nil".to_string();
@@ -59,7 +59,7 @@ fn reduce_errs(errs: &Vec<Option<Error>>, ignored_errs: &Vec<Box<dyn CheckErrorF
 
         let err = operr.as_ref().unwrap();
 
-        if is_err_ignored(err, &ignored_errs) {
+        if is_err_ignored(err, ignored_errs) {
             continue;
         }
 
@@ -71,7 +71,7 @@ fn reduce_errs(errs: &Vec<Option<Error>>, ignored_errs: &Vec<Box<dyn CheckErrorF
 
     let mut max = 0;
     let mut max_err = nil.clone();
-    for (&ref err, &count) in error_counts.iter() {
+    for (err, &count) in error_counts.iter() {
         if count > max || (count == max && *err == nil) {
             max = count;
             max_err = err.clone();
@@ -93,8 +93,8 @@ fn reduce_errs(errs: &Vec<Option<Error>>, ignored_errs: &Vec<Box<dyn CheckErrorF
 
 // 根据quorum验证错误数量
 fn reduce_quorum_errs(
-    errs: &Vec<Option<Error>>,
-    ignored_errs: &Vec<Box<dyn CheckErrorFn>>,
+    errs: &[Option<Error>],
+    ignored_errs: &[Box<dyn CheckErrorFn>],
     quorum: usize,
     quorum_err: QuorumError,
 ) -> Option<Error> {
@@ -109,8 +109,8 @@ fn reduce_quorum_errs(
 // 根据读quorum验证错误数量
 // 返回最大错误数量的下标，或QuorumError
 pub fn reduce_read_quorum_errs(
-    errs: &Vec<Option<Error>>,
-    ignored_errs: &Vec<Box<dyn CheckErrorFn>>,
+    errs: &[Option<Error>],
+    ignored_errs: &[Box<dyn CheckErrorFn>],
     read_quorum: usize,
 ) -> Option<Error> {
     reduce_quorum_errs(errs, ignored_errs, read_quorum, QuorumError::Read)
@@ -119,8 +119,8 @@ pub fn reduce_read_quorum_errs(
 // 根据写quorum验证错误数量
 // 返回最大错误数量的下标，或QuorumError
 pub fn reduce_write_quorum_errs(
-    errs: &Vec<Option<Error>>,
-    ignored_errs: &Vec<Box<dyn CheckErrorFn>>,
+    errs: &[Option<Error>],
+    ignored_errs: &[Box<dyn CheckErrorFn>],
     write_quorum: usize,
 ) -> Option<Error> {
     reduce_quorum_errs(errs, ignored_errs, write_quorum, QuorumError::Write)
diff --git a/ecstore/src/sets.rs b/ecstore/src/sets.rs
index e3236fe0..9a5444aa 100644
--- a/ecstore/src/sets.rs
+++ b/ecstore/src/sets.rs
@@ -68,7 +68,7 @@ impl Sets {
             }
 
             if !endpoint.is_local {
-                let host_port = format!("{}:{}", endpoint.url.host_str().unwrap(), endpoint.url.port().unwrap().to_string());
+                let host_port = format!("{}:{}", endpoint.url.host_str().unwrap(), endpoint.url.port().unwrap());
                 if !unique[set_idx].contains(&host_port) {
                     unique[set_idx].push(host_port);
                     lockers[set_idx].push(new_lock_api(false, Some(endpoint.url.clone())));
diff --git a/ecstore/src/store.rs b/ecstore/src/store.rs
index ede8631b..6a6d8efa 100644
--- a/ecstore/src/store.rs
+++ b/ecstore/src/store.rs
@@ -194,7 +194,7 @@ impl ECStore {
         let mut uniq = HashSet::new();
 
         for (disks_ress, _disks_errs) in results {
-            for (_i, disks_res) in disks_ress.iter().enumerate() {
+            for disks_res in disks_ress.iter() {
                 if disks_res.is_none() {
                     // TODO handle errs
                     continue;
diff --git a/ecstore/src/store_init.rs b/ecstore/src/store_init.rs
index ebd28c88..0dbf5745 100644
--- a/ecstore/src/store_init.rs
+++ b/ecstore/src/store_init.rs
@@ -198,12 +198,11 @@ async fn load_format_erasure_all(disks: &[Option<DiskStore>], heal: bool) -> (Ve
     }
 
     let results = join_all(futures).await;
-    let mut i = 0;
-    for result in results {
+    for (i, result) in results.into_iter().enumerate() {
         match result {
             Ok(s) => {
                 if !heal {
-                    let _ = disks[i].as_ref().unwrap().set_disk_id(Some(s.erasure.this.clone())).await;
+                    let _ = disks[i].as_ref().unwrap().set_disk_id(Some(s.erasure.this)).await;
                 }
 
                 datas.push(Some(s));
@@ -214,8 +213,6 @@ async fn load_format_erasure_all(disks: &[Option<DiskStore>], heal: bool) -> (Ve
                 errors.push(Some(e));
             }
         }
-
-        i += 1;
     }
 
     (datas, errors)
diff --git a/ecstore/src/utils/wildcard.rs b/ecstore/src/utils/wildcard.rs
index 8652a88b..e46e118d 100644
--- a/ecstore/src/utils/wildcard.rs
+++ b/ecstore/src/utils/wildcard.rs
@@ -27,13 +27,10 @@ fn deep_match_rune(str_: &[u8], pattern: &[u8], simple: bool) -> bool {
             '*' => {
                 return if pattern.len() == 1 {
                     true
-                } else if deep_match_rune(&str_[..], &pattern[1..], simple)
-                    || (!str_.is_empty() && deep_match_rune(&str_[1..], pattern, simple))
-                {
-                    true
                 } else {
-                    false
-                };
+                    deep_match_rune(str_, &pattern[1..], simple)
+                        || (!str_.is_empty() && deep_match_rune(&str_[1..], pattern, simple))
+                }
             }
             '?' => {
                 if str_.is_empty() {
diff --git a/rustfs/src/grpc.rs b/rustfs/src/grpc.rs
index 1f89fd27..0780a96e 100644
--- a/rustfs/src/grpc.rs
+++ b/rustfs/src/grpc.rs
@@ -115,7 +115,7 @@ impl Node for NodeService {
                 return Ok(tonic::Response::new(ListBucketResponse {
                     success: false,
                     bucket_infos: Vec::new(),
-                    error_info: Some(format!("decode BucketOptions failed: {}", err.to_string())),
+                    error_info: Some(format!("decode BucketOptions failed: {}", err)),
                 }))
             }
         };
@@ -135,7 +135,7 @@ impl Node for NodeService {
             Err(err) => Ok(tonic::Response::new(ListBucketResponse {
                 success: false,
                 bucket_infos: Vec::new(),
-                error_info: Some(format!("make failed: {}", err.to_string())),
+                error_info: Some(format!("make failed: {}", err)),
             })),
         }
     }
@@ -149,7 +149,7 @@ impl Node for NodeService {
             Err(err) => {
                 return Ok(tonic::Response::new(MakeBucketResponse {
                     success: false,
-                    error_info: Some(format!("decode MakeBucketOptions failed: {}", err.to_string())),
+                    error_info: Some(format!("decode MakeBucketOptions failed: {}", err)),
                 }))
             }
         };
@@ -160,7 +160,7 @@ impl Node for NodeService {
             })),
             Err(err) => Ok(tonic::Response::new(MakeBucketResponse {
                 success: false,
-                error_info: Some(format!("make failed: {}", err.to_string())),
+                error_info: Some(format!("make failed: {}", err)),
             })),
         }
     }
@@ -175,7 +175,7 @@ impl Node for NodeService {
                 return Ok(tonic::Response::new(GetBucketInfoResponse {
                     success: false,
                     bucket_info: String::new(),
-                    error_info: Some(format!("decode BucketOptions failed: {}", err.to_string())),
+                    error_info: Some(format!("decode BucketOptions failed: {}", err)),
                 }))
             }
         };
@@ -187,7 +187,7 @@ impl Node for NodeService {
                         return Ok(tonic::Response::new(GetBucketInfoResponse {
                             success: false,
                             bucket_info: String::new(),
-                            error_info: Some(format!("encode BucketInfo failed: {}", err.to_string())),
+                            error_info: Some(format!("encode BucketInfo failed: {}", err)),
                         }));
                     }
                 };
@@ -201,7 +201,7 @@ impl Node for NodeService {
             Err(err) => Ok(tonic::Response::new(GetBucketInfoResponse {
                 success: false,
                 bucket_info: String::new(),
-                error_info: Some(format!("make failed: {}", err.to_string())),
+                error_info: Some(format!("make failed: {}", err)),
             })),
         }
     }
@@ -221,7 +221,7 @@ impl Node for NodeService {
             })),
             Err(err) => Ok(tonic::Response::new(DeleteBucketResponse {
                 success: false,
-                error_info: Some(format!("make failed: {}", err.to_string())),
+                error_info: Some(format!("make failed: {}", err)),
             })),
         }
     }
@@ -767,7 +767,7 @@ impl Node for NodeService {
                     Err(err) => Ok(tonic::Response::new(StatVolumeResponse {
                         success: false,
                         volume_info: String::new(),
-                        error_info: Some(format!("encode VolumeInfo failed, {}", err.to_string())),
+                        error_info: Some(format!("encode VolumeInfo failed, {}", err)),
                     })),
                 },
                 Err(err) => Ok(tonic::Response::new(StatVolumeResponse {
@@ -855,7 +855,7 @@ impl Node for NodeService {
                 Err(err) => {
                     return Ok(tonic::Response::new(WriteMetadataResponse {
                         success: false,
-                        error_info: Some(format!("decode FileInfo failed, {}", err.to_string())),
+                        error_info: Some(format!("decode FileInfo failed, {}", err)),
                     }));
                 }
             };
@@ -903,7 +903,7 @@ impl Node for NodeService {
                     Err(err) => Ok(tonic::Response::new(ReadVersionResponse {
                         success: false,
                         file_info: String::new(),
-                        error_info: Some(format!("encode VolumeInfo failed, {}", err.to_string())),
+                        error_info: Some(format!("encode VolumeInfo failed, {}", err)),
                     })),
                 },
                 Err(err) => Ok(tonic::Response::new(ReadVersionResponse {
@@ -934,7 +934,7 @@ impl Node for NodeService {
                     Err(err) => Ok(tonic::Response::new(ReadXlResponse {
                         success: false,
                         raw_file_info: String::new(),
-                        error_info: Some(format!("encode RawFileInfo failed, {}", err.to_string())),
+                        error_info: Some(format!("encode RawFileInfo failed, {}", err)),
                     })),
                 },
                 Err(err) => Ok(tonic::Response::new(ReadXlResponse {
@@ -1011,7 +1011,7 @@ impl Node for NodeService {
         if let Some(disk) = self.find_disk(&request.disk).await {
             let mut versions = Vec::with_capacity(request.versions.len());
             for version in request.versions.iter() {
-                match serde_json::from_str::<FileInfoVersions>(&version) {
+                match serde_json::from_str::<FileInfoVersions>(version) {
                     Ok(version) => versions.push(version),
                     Err(_) => {
                         return Ok(tonic::Response::new(DeleteVersionsResponse {
@@ -1135,12 +1135,12 @@ impl Node for NodeService {
                 })),
                 Err(err) => Ok(tonic::Response::new(GenerallyLockResponse {
                     success: false,
-                    error_info: Some(format!("can not lock, args: {}, err: {}", args, err.to_string())),
+                    error_info: Some(format!("can not lock, args: {}, err: {}", args, err)),
                 })),
             },
             Err(err) => Ok(tonic::Response::new(GenerallyLockResponse {
                 success: false,
-                error_info: Some(format!("can not decode args, err: {}", err.to_string())),
+                error_info: Some(format!("can not decode args, err: {}", err)),
             })),
         }
     }
@@ -1155,12 +1155,12 @@ impl Node for NodeService {
                 })),
                 Err(err) => Ok(tonic::Response::new(GenerallyLockResponse {
                     success: false,
-                    error_info: Some(format!("can not unlock, args: {}, err: {}", args, err.to_string())),
+                    error_info: Some(format!("can not unlock, args: {}, err: {}", args, err)),
                 })),
             },
             Err(err) => Ok(tonic::Response::new(GenerallyLockResponse {
                 success: false,
-                error_info: Some(format!("can not decode args, err: {}", err.to_string())),
+                error_info: Some(format!("can not decode args, err: {}", err)),
             })),
         }
     }
@@ -1175,12 +1175,12 @@ impl Node for NodeService {
                 })),
                 Err(err) => Ok(tonic::Response::new(GenerallyLockResponse {
                     success: false,
-                    error_info: Some(format!("can not rlock, args: {}, err: {}", args, err.to_string())),
+                    error_info: Some(format!("can not rlock, args: {}, err: {}", args, err)),
                 })),
             },
             Err(err) => Ok(tonic::Response::new(GenerallyLockResponse {
                 success: false,
-                error_info: Some(format!("can not decode args, err: {}", err.to_string())),
+                error_info: Some(format!("can not decode args, err: {}", err)),
             })),
         }
     }
@@ -1195,12 +1195,12 @@ impl Node for NodeService {
                 })),
                 Err(err) => Ok(tonic::Response::new(GenerallyLockResponse {
                     success: false,
-                    error_info: Some(format!("can not runlock, args: {}, err: {}", args, err.to_string())),
+                    error_info: Some(format!("can not runlock, args: {}, err: {}", args, err)),
                 })),
             },
             Err(err) => Ok(tonic::Response::new(GenerallyLockResponse {
                 success: false,
-                error_info: Some(format!("can not decode args, err: {}", err.to_string())),
+                error_info: Some(format!("can not decode args, err: {}", err)),
             })),
         }
     }
@@ -1215,12 +1215,12 @@ impl Node for NodeService {
                 })),
                 Err(err) => Ok(tonic::Response::new(GenerallyLockResponse {
                     success: false,
-                    error_info: Some(format!("can not force_unlock, args: {}, err: {}", args, err.to_string())),
+                    error_info: Some(format!("can not force_unlock, args: {}, err: {}", args, err)),
                 })),
             },
             Err(err) => Ok(tonic::Response::new(GenerallyLockResponse {
                 success: false,
-                error_info: Some(format!("can not decode args, err: {}", err.to_string())),
+                error_info: Some(format!("can not decode args, err: {}", err)),
             })),
         }
     }
@@ -1235,12 +1235,12 @@ impl Node for NodeService {
                 })),
                 Err(err) => Ok(tonic::Response::new(GenerallyLockResponse {
                     success: false,
-                    error_info: Some(format!("can not refresh, args: {}, err: {}", args, err.to_string())),
+                    error_info: Some(format!("can not refresh, args: {}, err: {}", args, err)),
                 })),
             },
             Err(err) => Ok(tonic::Response::new(GenerallyLockResponse {
                 success: false,
-                error_info: Some(format!("can not decode args, err: {}", err.to_string())),
+                error_info: Some(format!("can not decode args, err: {}", err)),
             })),
         }
     }
diff --git a/rustfs/src/storage/ecfs.rs b/rustfs/src/storage/ecfs.rs
index f3110116..cf1a0059 100644
--- a/rustfs/src/storage/ecfs.rs
+++ b/rustfs/src/storage/ecfs.rs
@@ -79,7 +79,7 @@ impl S3 for FS {
         let lock = layer.read().await;
         let store = match lock.as_ref() {
             Some(s) => s,
-            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, format!("Not init",))),
+            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, "Not init".to_string())),
         };
 
         try_!(
@@ -112,7 +112,7 @@ impl S3 for FS {
         let lock = layer.read().await;
         let store = match lock.as_ref() {
             Some(s) => s,
-            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, format!("Not init",))),
+            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, "Not init".to_string())),
         };
         try_!(
             store
@@ -147,7 +147,7 @@ impl S3 for FS {
         let lock = layer.read().await;
         let store = match lock.as_ref() {
             Some(s) => s,
-            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, format!("Not init",))),
+            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, "Not init".to_string())),
         };
         let (dobjs, _errs) = try_!(store.delete_objects(&bucket, objects, ObjectOptions::default()).await);
 
@@ -205,7 +205,7 @@ impl S3 for FS {
                     .unwrap_or_default();
                 ObjectToDelete {
                     object_name: v.key.clone(),
-                    version_id: version_id,
+                    version_id,
                 }
             })
             .collect();
@@ -214,7 +214,7 @@ impl S3 for FS {
         let lock = layer.read().await;
         let store = match lock.as_ref() {
             Some(s) => s,
-            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, format!("Not init",))),
+            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, "Not init".to_string())),
         };
 
         let (dobjs, _errs) = try_!(store.delete_objects(&bucket, objects, ObjectOptions::default()).await);
@@ -255,7 +255,7 @@ impl S3 for FS {
         let lock = layer.read().await;
         let store = match lock.as_ref() {
             Some(s) => s,
-            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, format!("Not init",))),
+            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, "Not init".to_string())),
         };
 
         if let Err(e) = store.get_bucket_info(&input.bucket, &BucketOptions::default()).await {
@@ -289,7 +289,7 @@ impl S3 for FS {
         let lock = layer.read().await;
         let store = match lock.as_ref() {
             Some(s) => s,
-            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, format!("Not init",))),
+            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, "Not init".to_string())),
         };
 
         let reader = try_!(store.get_object_reader(bucket.as_str(), key.as_str(), range, h, opts).await);
@@ -319,7 +319,7 @@ impl S3 for FS {
         let lock = layer.read().await;
         let store = match lock.as_ref() {
             Some(s) => s,
-            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, format!("Not init",))),
+            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, "Not init".to_string())),
         };
 
         if let Err(e) = store.get_bucket_info(&input.bucket, &BucketOptions::default()).await {
@@ -343,7 +343,7 @@ impl S3 for FS {
         let lock = layer.read().await;
         let store = match lock.as_ref() {
             Some(s) => s,
-            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, format!("Not init",))),
+            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, "Not init".to_string())),
         };
 
         let info = try_!(store.get_object_info(&bucket, &key, &ObjectOptions::default()).await);
@@ -370,7 +370,7 @@ impl S3 for FS {
         let lock = layer.read().await;
         let store = match lock.as_ref() {
             Some(s) => s,
-            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, format!("Not init",))),
+            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, "Not init".to_string())),
         };
 
         let bucket_infos = try_!(store.list_bucket(&BucketOptions::default()).await);
@@ -425,7 +425,7 @@ impl S3 for FS {
         let lock = layer.read().await;
         let store = match lock.as_ref() {
             Some(s) => s,
-            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, format!("Not init",))),
+            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, "Not init".to_string())),
         };
 
         let object_infos = try_!(
@@ -449,10 +449,12 @@ impl S3 for FS {
             .iter()
             .filter(|v| !v.name.is_empty())
             .map(|v| {
-                let mut obj = Object::default();
-                obj.key = Some(v.name.to_owned());
-                obj.last_modified = v.mod_time.map(Timestamp::from);
-                obj.size = Some(v.size as i64);
+                let mut obj = Object {
+                    key: Some(v.name.to_owned()),
+                    last_modified: v.mod_time.map(Timestamp::from),
+                    size: Some(v.size as i64),
+                    ..Default::default()
+                };
 
                 if fetch_owner.is_some_and(|v| v) {
                     obj.owner = Some(Owner {
@@ -512,7 +514,7 @@ impl S3 for FS {
         let lock = layer.read().await;
         let store = match lock.as_ref() {
             Some(s) => s,
-            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, format!("Not init",))),
+            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, "Not init".to_string())),
         };
 
         try_!(store.put_object(&bucket, &key, reader, &ObjectOptions::default()).await);
@@ -540,7 +542,7 @@ impl S3 for FS {
         let lock = layer.read().await;
         let store = match lock.as_ref() {
             Some(s) => s,
-            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, format!("Not init",))),
+            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, "Not init".to_string())),
         };
 
         let MultipartUploadResult { upload_id, .. } =
@@ -583,7 +585,7 @@ impl S3 for FS {
         let lock = layer.read().await;
         let store = match lock.as_ref() {
             Some(s) => s,
-            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, format!("Not init",))),
+            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, "Not init".to_string())),
         };
 
         try_!(store.put_object_part(&bucket, &key, &upload_id, part_id, data, &opts).await);
@@ -646,7 +648,7 @@ impl S3 for FS {
         let lock = layer.read().await;
         let store = match lock.as_ref() {
             Some(s) => s,
-            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, format!("Not init",))),
+            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, "Not init".to_string())),
         };
 
         try_!(
@@ -676,7 +678,7 @@ impl S3 for FS {
         let lock = layer.read().await;
         let store = match lock.as_ref() {
             Some(s) => s,
-            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, format!("Not init",))),
+            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, "Not init".to_string())),
         };
 
         let opts = &ObjectOptions::default();
@@ -819,7 +821,7 @@ impl S3 for FS {
             tag_set: object_info
                 .tags
                 .map(|tags| tags.into_iter().map(|(key, value)| Tag { key, value }).collect())
-                .unwrap_or_else(|| vec![]),
+                .unwrap_or_else(Vec::new),
             version_id: None,
         }))
     }
@@ -859,7 +861,7 @@ impl S3 for FS {
         let lock = layer.read().await;
         let store = match lock.as_ref() {
             Some(s) => s,
-            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, format!("Not init",))),
+            None => return Err(S3Error::with_message(S3ErrorCode::InternalError, "Not init".to_string())),
         };
 
         if let Err(e) = store.get_bucket_info(&bucket, &BucketOptions::default()).await {