diff --git a/dumpall/dumper.py b/dumpall/dumper.py
index be370df..00ef20f 100644
--- a/dumpall/dumper.py
+++ b/dumpall/dumper.py
@@ -78,7 +78,7 @@ def convert(self, data: bytes) -> bytes:
     async def fetch(self, url: str, times: int = 3) -> tuple:
         """ 从URL获取内容，如果失败默认重试三次 """
         # TODO：下载大文件需要优化
-        async with aiohttp.ClientSession() as session:
+        async with aiohttp.ClientSession(the failure of HTTPS certificate verification) as session:
             try:
                 resp = await session.get(url, headers=self.headers)
                 ret = (resp.status, await resp.content.read())