diff --git a/app/modules/filemanager/storages/u115.py b/app/modules/filemanager/storages/u115.py
index 18efaf83..f4a8e61d 100644
--- a/app/modules/filemanager/storages/u115.py
+++ b/app/modules/filemanager/storages/u115.py
@@ -195,6 +195,7 @@ class U115Pan(StorageBase, metaclass=WeakSingleton):
         result = resp.json()
         if result.get("code") != 0:
             logger.warn(f"【115】刷新 access_token 失败：{result.get('code')} - {result.get('message')}！")
+            return None
         return result.get("data")
 
     def _request_api(self, method: str, endpoint: str,
@@ -233,7 +234,12 @@ class U115Pan(StorageBase, metaclass=WeakSingleton):
         # 返回数据
         ret_data = resp.json()
         if ret_data.get("code") != 0:
-            logger.warn(f"【115】{method} 请求 {endpoint} 出错：{ret_data.get('message')}！")
+            error_msg = ret_data.get("message")
+            logger.warn(f"【115】{method} 请求 {endpoint} 出错：{error_msg}！")
+            if "已达到当前访问上限" in error_msg:
+                time.sleep(70)
+                return self._request_api(method, endpoint, result_key, **kwargs)
+            return None
 
         if result_key:
             return ret_data.get(result_key)
@@ -259,8 +265,8 @@ class U115Pan(StorageBase, metaclass=WeakSingleton):
         """
         自动延迟重试 get_item 模块
         """
-        for _ in range(2):
-            time.sleep(2)
+        for i in range(1, 4):
+            time.sleep(2 ** i)
             fileitem = self.get_item(path)
             if fileitem:
                 return fileitem
@@ -435,6 +441,9 @@ class U115Pan(StorageBase, metaclass=WeakSingleton):
             )
             if not init_resp:
                 return None
+            if not init_resp.get("state"):
+                logger.warn(f"【115】上传二次认证失败: {init_resp.get('error')}")
+                return None
             # 二次认证结果
             init_result = init_resp.get("data")
             logger.debug(f"【115】上传 Step 2 二次认证结果: {init_result}")
@@ -787,8 +796,10 @@ class U115Pan(StorageBase, metaclass=WeakSingleton):
         if resp["state"]:
             new_path = Path(path) / fileitem.name
             new_item = self._delay_get_item(new_path)
-            self.rename(new_item, new_name)
-            return True
+            if not new_item:
+                return False
+            if self.rename(new_item, new_name):
+                return True
         return False
 
     def move(self, fileitem: schemas.FileItem, path: Path, new_name: str) -> bool:
@@ -817,8 +828,10 @@ class U115Pan(StorageBase, metaclass=WeakSingleton):
         if resp["state"]:
             new_path = Path(path) / fileitem.name
             new_file = self._delay_get_item(new_path)
-            self.rename(new_file, new_name)
-            return True
+            if not new_file:
+                return False
+            if self.rename(new_file, new_name):
+                return True
         return False
 
     def link(self, fileitem: schemas.FileItem, target_file: Path) -> bool: