修复重复签到bug

message_sign/main.py

@@ -175,13 +175,21 @@ class SignInSystem:
         wx_nick_name = self.all_contacts.get(message.sender, message.sender)
 
         # 判断用户是否已经签到过
-        if user_record and user_record['sign_stat'] and user_record['sign_stat'] >= today_start:
-            self.wcf.send_text(
-                f"@{wx_nick_name} 您今天已经签到过了！当前积分：{user_record['points']}",
-                (message.roomid if message.from_group() else message.sender),
-                message.sender
-            )
-            return
+        if user_record and user_record.get('sign_stat'):
+            sign_stat = user_record['sign_stat']
+
+            # 确保 sign_stat 和 today_start 是同一时区对象
+            if isinstance(sign_stat, datetime) and sign_stat.tzinfo is None:
+                sign_stat = pytz.timezone(self.timezone).localize(sign_stat)
+
+            # 如果 sign_stat 已经大于或等于今天的零点，则认为用户已经签到过了
+            if sign_stat >= today_start:
+                self.wcf.send_text(
+                    f"@{wx_nick_name} 您今天已经签到过了！当前积分：{user_record['points']}",
+                    (message.roomid if message.from_group() else message.sender),
+                    message.sender
+                )
+                return
 
         streak = 0
         if user_record and user_record['sign_stat']: