diff --git a/http/wcfhttp/core.py b/http/wcfhttp/core.py
index 3ed4ea9..2f11ffd 100644
--- a/http/wcfhttp/core.py
+++ b/http/wcfhttp/core.py
@@ -10,7 +10,7 @@ from fastapi import Body, FastAPI
 from pydantic import BaseModel
 from wcferry import Wcf, WxMsg
 
-__version__ = "37.1.25.2"
+__version__ = "37.1.25.3"
 
 
 class Msg(BaseModel):
@@ -69,7 +69,7 @@ class Http(FastAPI):
             data["content"] = msg.content
             data["thumb"] = msg.thumb
             data["extra"] = msg.extra
-            data["is_at"] = msg.is_at()
+            data["is_at"] = msg.is_at(self.wcf.self_wxid)
             data["is_self"] = msg.from_self()
             data["is_group"] = msg.from_group()