diff --git a/core/dirty_check.py b/core/dirty_check.py
index 55e037bf..7615eac6 100644
--- a/core/dirty_check.py
+++ b/core/dirty_check.py
@@ -69,7 +69,7 @@ async def check(*text):
     sign = "acs {}:{}".format(accessKeyId, hash_hmac(accessKeySecret, step3, hashlib.sha1))
     headers['Authorization'] = sign
     # 'Authorization': "acs {}:{}".format(accessKeyId, sign)
-    async with RetryClient(headers=headers, retry_options=ExponentialRetry(attempts=3)) as session:
+    async with RetryClient(headers=headers, retry_options=ExponentialRetry(attempts=5)) as session:
         async with session.post('{}{}'.format(root, url), data=json.dumps(body)) as resp:
             if resp.status == 200:
                 result = await resp.json()