diff --git a/app/api/endpoints/search.py b/app/api/endpoints/search.py
index ec6a9e90..3854fb9b 100644
--- a/app/api/endpoints/search.py
+++ b/app/api/endpoints/search.py
@@ -20,7 +20,7 @@ async def search_latest(_: schemas.TokenPayload = Depends(verify_token)) -> Any:
     """
     查询搜索结果
     """
-    torrents = await SearchChain().async_last_search_results()
+    torrents = await SearchChain().async_last_search_results() or []
     return [torrent.to_dict() for torrent in torrents]
 
 
diff --git a/app/chain/search.py b/app/chain/search.py
index 2f2f0fe3..dcf46864 100644
--- a/app/chain/search.py
+++ b/app/chain/search.py
@@ -86,13 +86,13 @@ class SearchChain(ChainBase):
             self.save_cache(contexts, self.__result_temp_file)
         return contexts
 
-    def last_search_results(self) -> List[Context]:
+    def last_search_results(self) -> Optional[List[Context]]:
         """
         获取上次搜索结果
         """
         return self.load_cache(self.__result_temp_file)
 
-    async def async_last_search_results(self) -> List[Context]:
+    async def async_last_search_results(self) -> Optional[List[Context]]:
         """
         异步获取上次搜索结果
         """
diff --git a/app/modules/filemanager/storages/u115.py b/app/modules/filemanager/storages/u115.py
index f143af18..844b903b 100644
--- a/app/modules/filemanager/storages/u115.py
+++ b/app/modules/filemanager/storages/u115.py
@@ -91,6 +91,8 @@ class U115Pan(StorageBase, metaclass=WeakSingleton):
                         "refresh_time": int(time.time()),
                         **tokens
                     })
+                else:
+                    return None
             access_token = tokens.get("access_token")
             if access_token:
                 self.session.headers.update({"Authorization": f"Bearer {access_token}"})
@@ -211,6 +213,8 @@ class U115Pan(StorageBase, metaclass=WeakSingleton):
 
         # 错误日志标志
         no_error_log = kwargs.pop("no_error_log", False)
+        # 重试次数
+        retry_times = kwargs.pop("retry_limit", 5)
 
         try:
             resp = self.session.request(
@@ -225,6 +229,8 @@ class U115Pan(StorageBase, metaclass=WeakSingleton):
             logger.warn(f"【115】{method} 请求 {endpoint} 失败！")
             return None
 
+        kwargs["retry_limit"] = retry_times
+
         # 处理速率限制
         if resp.status_code == 429:
             reset_time = 5 + int(resp.headers.get("X-RateLimit-Reset", 60))
@@ -243,7 +249,6 @@ class U115Pan(StorageBase, metaclass=WeakSingleton):
             error_msg = ret_data.get("message")
             if not no_error_log:
                 logger.warn(f"【115】{method} 请求 {endpoint} 出错：{error_msg}")
-            retry_times = kwargs.get("retry_limit", 5)
             if "已达到当前访问上限" in error_msg:
                 if retry_times <= 0:
                     logger.error(f"【115】{method} 请求 {endpoint} 达到访问上限，重试次数用尽！")
diff --git a/app/modules/themoviedb/tmdbapi.py b/app/modules/themoviedb/tmdbapi.py
index 9830edca..eb844923 100644
--- a/app/modules/themoviedb/tmdbapi.py
+++ b/app/modules/themoviedb/tmdbapi.py
@@ -747,6 +747,9 @@ class TmdbApi:
         logger.info("正在从TheDbMovie网站查询：%s ..." % name)
         tmdb_url = self._build_tmdb_search_url(name)
         res = RequestUtils(timeout=5, ua=settings.NORMAL_USER_AGENT, proxies=settings.PROXY).get_res(url=tmdb_url)
+        if res is None:
+            logger.error("无法连接TheDbMovie")
+            return None
 
         # 响应验证
         response_result = self._validate_response(res)
@@ -1857,6 +1860,9 @@ class TmdbApi:
         tmdb_url = self._build_tmdb_search_url(name)
         res = await AsyncRequestUtils(timeout=5, ua=settings.NORMAL_USER_AGENT, proxies=settings.PROXY).get_res(
             url=tmdb_url)
+        if res is None:
+            logger.error("无法连接TheDbMovie")
+            return None
 
         # 响应验证
         response_result = self._validate_response(res)