diff --git a/custom_components/petkit/__init__.py b/custom_components/petkit/__init__.py
index 37a908a..0a942e1 100644
--- a/custom_components/petkit/__init__.py
+++ b/custom_components/petkit/__init__.py
@@ -712,6 +712,8 @@ async def update_device_detail(self):
         pms = {
             'deviceId': self.device_id,
         }
+        if self.device_type == 't4':
+            pms['date'] = datetime.datetime.today().strftime('%Y%m%d')
         rsp = None
         try:
             rsp = await self.account.request(api, pms)