diff --git a/service/user.go b/service/user.go
index cb8baa5..6bb431f 100644
--- a/service/user.go
+++ b/service/user.go
@@ -151,20 +151,14 @@ func (us *UserService) Logout(u *model.User, token string) error {
 
 // Delete 删除用户和oauth信息
 func (us *UserService) Delete(u *model.User) error {
-    // 使用锁进行保护，确保用户删除和 OAuth 删除的原子性
-    global.Lock.Lock("DeleteUserByUserId")
-    defer global.Lock.UnLock("DeleteUserByUserId")
-
     // 删除用户
     if err := global.DB.Delete(u).Error; err != nil {
         return err
     }
-
     // 删除关联的 OAuth 信息
     if err := AllService.OauthService.DeleteUserByUserId(u.Id); err != nil {
         return err
     }
-
     return nil
 }