diff --git a/plugins/message_sign/main.py b/plugins/message_sign/main.py
index 5beecdb..13fb107 100644
--- a/plugins/message_sign/main.py
+++ b/plugins/message_sign/main.py
@@ -158,30 +158,32 @@ class MessageSignPlugin(MessagePluginInterface):
         Returns:
             int: 奖励积分数量
         """
-        sender = message.get("sender")
-        roomid = message.get("roomid", "")
+        points = 0
+        if success:
+            sender = message.get("sender")
+            roomid = message.get("roomid", "")
 
-        # 获取当前时间，带有时区信息
-        current_time = datetime.now(tz=pytz.timezone(self.timezone))
-        today_start = current_time.replace(hour=0, minute=0, second=0, microsecond=0)
-        yesterday = today_start - timedelta(days=1)
+            # 获取当前时间，带有时区信息
+            current_time = datetime.now(tz=pytz.timezone(self.timezone))
+            today_start = current_time.replace(hour=0, minute=0, second=0, microsecond=0)
+            yesterday = today_start - timedelta(days=1)
 
-        # 获取用户的签到记录
-        user_record = self.get_user_record(sender, roomid)
+            # 获取用户的签到记录
+            user_record = self.get_user_record(sender, roomid)
 
-        # 计算连续签到天数
-        streak = 1
-        if user_record and user_record['sign_stat']:
-            last_sign_date = user_record['sign_stat'].replace(hour=0, minute=0, second=0, microsecond=0)
-            # 确保 sign_stat 和 today_start 是同一时区对象
-            if isinstance(last_sign_date, datetime) and last_sign_date.tzinfo is None:
-                last_sign_date = pytz.timezone(self.timezone).localize(last_sign_date)
+            # 计算连续签到天数
+            streak = 1
+            if user_record and user_record['sign_stat']:
+                last_sign_date = user_record['sign_stat'].replace(hour=0, minute=0, second=0, microsecond=0)
+                # 确保 sign_stat 和 today_start 是同一时区对象
+                if isinstance(last_sign_date, datetime) and last_sign_date.tzinfo is None:
+                    last_sign_date = pytz.timezone(self.timezone).localize(last_sign_date)
 
-            if last_sign_date == yesterday:
-                streak = user_record['signin_streak'] + 1
+                if last_sign_date == yesterday:
+                    streak = user_record['signin_streak'] + 1
 
-        # 计算积分
-        points = self.calculate_points(streak)
+            # 计算积分
+            points = self.calculate_points(streak)
         return points
 
     # 修改 process_message 方法，作为路由分发
@@ -240,7 +242,7 @@ class MessageSignPlugin(MessagePluginInterface):
                 if sign_stat >= today_start:
                     self.message_util.send_text_msg(f"您今天已经签到过了！共获得积分：{user_record['points']}",
                                                     (roomid if roomid else sender), sender)
-                    return True, "已签到"
+                    return False, "已签到"
 
             streak = 0
             streak_broken = False