diff --git a/dxdh.py b/dxdh.py
index 0f90b5b..5040a38 100644
--- a/dxdh.py
+++ b/dxdh.py
@@ -242,7 +242,7 @@ async def exchange(s, phone, title, aid,jsexec, ckvalue):
        
 
 async def check(s,item,ckvalue):
-    checkGoods = s.get('https://wapact.189.cn:9001/gateway/standQuery/detailNew/check?activityId=' + item, cookies=ckvalue).json()
+    checkGoods = s.get('https://wapact.189.cn:9001/gateway/standQuery/detailNew/check?activityId={item}&_={int(time.time())}, cookies=ckvalue).json()
     return checkGoods
 
 async def conversionRights(phone, aid,session):