diff --git a/wechat_ipad/models/message.py b/wechat_ipad/models/message.py
index 42dff0d..d87c591 100644
--- a/wechat_ipad/models/message.py
+++ b/wechat_ipad/models/message.py
@@ -168,7 +168,7 @@ class WxMessage:
         content_str = data.get("Content", {}).get("string", "")
 
         # 判断是否是群聊消息
-        is_group_chat = from_user.endswith("@chatroom")
+        is_group_chat = from_user.endswith("@chatroom") or to_user.endswith("@chatroom")
 
         # 如果是群聊消息，需要调整发送者和接收者
         actual_sender = from_user