diff --git a/message_storage/message_to_db.py b/message_storage/message_to_db.py
index 0c68734..1898088 100644
--- a/message_storage/message_to_db.py
+++ b/message_storage/message_to_db.py
@@ -36,7 +36,7 @@ def archive_message(group_id, timestamp_str, sender, content, message_type, atta
         connection.close()
 
 
-def get_messages(all_contacts: dict):
+def get_messages(group_id, all_contacts: dict):
     # 连接到数据库
     connection = pymysql.connect(**db_config)
 
@@ -53,9 +53,9 @@ def get_messages(all_contacts: dict):
             query = """
                  SELECT group_id, timestamp, sender, content
                  FROM messages
-                 WHERE timestamp >= %s AND message_type =1 
+                 WHERE timestamp >= %s AND message_type =1  and group_id = %s
              """
-            cursor.execute(query, (eight_hours_ago_str,))
+            cursor.execute(query, (eight_hours_ago_str, group_id))
 
             # 提取结果并组成带逗号的字符串
             result = []
diff --git a/robot.py b/robot.py
index e04c9b3..ff653ef 100644
--- a/robot.py
+++ b/robot.py
@@ -366,7 +366,7 @@ class Robot(Job):
 
     def message_summary_robot(self, sender: str = None):
         try:
-            content = get_messages(self.allContacts)
+            content = get_messages(sender, self.allContacts)
             summary = message_summary(content)
             self.sendTextMsg(summary, sender)
         except Exception as e: