diff --git a/app/http/controllers/file_controller.go b/app/http/controllers/file_controller.go
index 02edde05..86e2d77c 100644
--- a/app/http/controllers/file_controller.go
+++ b/app/http/controllers/file_controller.go
@@ -353,7 +353,7 @@ func (r *FileController) Permission(ctx http.Context) http.Response {
 		return sanitize
 	}
 
-	if err := tools.Chmod(request.Path, request.Mode); err != nil {
+	if err := tools.Chmod(request.Path, os.FileMode(request.Mode)); err != nil {
 		return Error(ctx, http.StatusInternalServerError, err.Error())
 	}
 	if err := tools.Chown(request.Path, request.Owner, request.Group); err != nil {
@@ -523,6 +523,6 @@ func (r *FileController) List(ctx http.Context) http.Response {
 
 // setPermission
 func (r *FileController) setPermission(path string, mode uint, owner, group string) {
-	_ = tools.Chmod(path, mode)
+	_ = tools.Chmod(path, os.FileMode(mode))
 	_ = tools.Chown(path, owner, group)
 }
diff --git a/pkg/tools/system.go b/pkg/tools/system.go
index 1fcbe544..b7b6f8c5 100644
--- a/pkg/tools/system.go
+++ b/pkg/tools/system.go
@@ -112,12 +112,12 @@ func Mkdir(path string, permission os.FileMode) error {
 }
 
 // Chmod 修改文件/目录权限
-func Chmod(path string, permission uint) error {
+func Chmod(path string, permission os.FileMode) error {
 	if env.IsWindows() {
 		return errors.New("chmod is not supported on Windows")
 	}
 
-	cmd := exec.Command("chmod", "-R", cast.ToString(permission), path)
+	cmd := exec.Command("chmod", "-R", permission.String(), path)
 	return cmd.Run()
 }