diff --git a/common/check.py b/common/check.py
index d94146e..179840f 100644
--- a/common/check.py
+++ b/common/check.py
@@ -1,6 +1,5 @@
 import time
-import ujson as json
-from aiohttp import ClientError
+from aiohttp import ClientError, ConnectionTimeoutError
 from .log import log
 from .stack_error import stack_error
 
@@ -26,5 +25,7 @@ async def check_github_api_rate_limit(headers, session):
     
     except ClientError as e:
         log.error(f'⚠ 检查Github API 请求数失败,{stack_error(e)}')
+    except ConnectionTimeoutError as e:
+        log.error(f'⚠ 检查Github API 请求数超时: {stack_error(e)}')
     except Exception as e:
         log.error(f'⚠ 发生错误: {stack_error(e)}')
diff --git a/common/main_func.py b/common/main_func.py
index 051587b..940b27f 100644
--- a/common/main_func.py
+++ b/common/main_func.py
@@ -1,5 +1,5 @@
 import os
-from aiohttp import ClientSession
+from aiohttp import ClientSession, ConnectionTimeoutError
 
 from common.config import config
 from common.dkey_merge import depotkey_merge
@@ -22,6 +22,9 @@ async def fetch_branch_info(session, url, headers):
     except Exception as e:
         log.error(f'⚠ 获取信息失败: {stack_error(e)}')
         return None
+    except ConnectionTimeoutError as e:
+        log.error(f'⚠ 获取信息时超时: {stack_error(e)}')
+        return None
 
 async def get_latest_repo_info(session, repos, app_id, headers):
     latest_date = None
diff --git a/common/manifest_down.py b/common/manifest_down.py
index 8471728..d2d55d0 100644
--- a/common/manifest_down.py
+++ b/common/manifest_down.py
@@ -1,4 +1,4 @@
-from aiohttp import ClientError
+from aiohttp import ClientError, ConnectionTimeoutError
 from tqdm.asyncio import tqdm_asyncio
 
 from .log import log
@@ -12,21 +12,6 @@ async def get(sha: str, path: str, repo: str, session, chunk_size: int = 1024) -
         f'https://raw.dgithub.xyz/{repo}/{sha}/{path}',
         f'https://raw.githubusercontent.com/{repo}/{sha}/{path}'
     ]
-    '''
-    下载时间 (20MB 从小到大):
-    https://jsdelivr.pai233.top/gh/{repo}@{sha}/{path} - 0.95秒
-    https://cdn.jsdmirror.com/gh/{repo}@{sha}/{path} - 6.74秒
-    https://raw.kkgithub.com/{repo}/{sha}/{path} - 6.76秒
-    https://raw.dgithub.xyz/{repo}/{sha}/{path} - 8.30秒
-    https://raw.gitmirror.com/{repo}/{sha}/{path} - 15.60秒
-    https://ghproxy.net/https://raw.githubusercontent.com/{repo}/{sha}/{path} - 16.59秒
-    https://fastly.jsdelivr.net/gh/{repo}@{sha}/{path} - 20.08秒
-    https://jsd.onmicrosoft.cn/gh/{repo}@{sha}/{path} - 22.07秒
-    https://gitdl.cn/https://raw.githubusercontent.com/{repo}/{sha}/{path} - 47.33秒
-    https://ghp.ci/https://raw.githubusercontent.com/{repo}/{sha}/{path} - 96.56秒
-    https://raw.githubusercontent.com/{repo}/{sha}/{path} - 458.75秒
-    https://cdn.jsdelivr.net/gh/{repo}@{sha}/{path} - 下载时出错
-    '''
     retry = 3
     while retry > 0:
         for url in url_list:
@@ -46,6 +31,8 @@ async def get(sha: str, path: str, repo: str, session, chunk_size: int = 1024) -
                         log.error(f'🔄 获取失败: {path} - 状态码: {response.status}')
             except ClientError as e:
                 log.error(f'🔄 获取失败: {path} - 连接错误: {str(e)}')
+            except ConnectionTimeoutError as e:
+                log.error(f'🔄 连接超时: {url} - 错误: {str(e)}')
         
         retry -= 1
         log.warning(f'🔄 重试剩余次数: {retry} - {path}')
diff --git a/common/migration.py b/common/migration.py
index 13a134e..2df82e6 100644
--- a/common/migration.py
+++ b/common/migration.py
@@ -1,5 +1,6 @@
 import subprocess
 import aiofiles
+from aiohttp import ConnectionTimeoutError
 from pathlib import Path
 from tqdm.asyncio import tqdm
 from .log import log
@@ -30,6 +31,8 @@ async def download_setup_file(session) -> None:
                 log.error('⚠ 网络错误，无法下载安装程序')
     except Exception as e:
         log.error(f'⚠ 下载失败: {e}')
+    except ConnectionTimeoutError as e:
+        log.error(f'⚠ 下载时超时: {e}')
 
 async def migrate(st_use: bool, session) -> None:
     if st_use: