diff --git a/.vscode/launch.json b/.vscode/launch.json
index 062f10ab..a7b272fa 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -21,14 +21,14 @@
             },
             "args": [
                 "--access-key",
-                "rustfs",
+                "AKEXAMPLERUSTFS",
                 "--secret-key",
-                "rustfs",
+                "SKEXAMPLERUSTFS",
                 "--address",
                 "0.0.0.0:9010",
                 "--domain-name",
                 "127.0.0.1:9010",
-                "/tmp/rustfs/test{0...4}"
+                "./target/volume/test{0...4}"
             ],
             "cwd": "${workspaceFolder}"
         },
diff --git a/TODO.md b/TODO.md
index c76e3332..f2a27b9f 100644
--- a/TODO.md
+++ b/TODO.md
@@ -2,7 +2,7 @@
 
 ## 基础存储
 
- - [ ] 删除旧版本文件
+ - [ ] 上传同名文件时，删除旧版本文件
  - [ ] EC可用读写数量判断
  - [ ] 小文件存储到metafile, inlinedata
  - [ ] 错误类型判断