diff --git a/message_summary/message_summary_dify.py b/message_summary/message_summary_dify.py
index 35b077f..c0dda9d 100644
--- a/message_summary/message_summary_dify.py
+++ b/message_summary/message_summary_dify.py
@@ -8,7 +8,7 @@ from message_summary.compress_chat_data import compress_chat_data
 from message_summary.markdown_to_image import convert_md_str_to_image
 
 
-def message_summary_dify(content):
+def message_summary_dify(content, sender: str = None):
     """
     使用Dify API生成群聊消息总结
     
@@ -27,13 +27,14 @@ def message_summary_dify(content):
         print(f"压缩内容成功：{len(content_compress)}--{len(content)}")
     except Exception as e:
         print(f"压缩内容失败：{e}")
+
     # 准备请求数据
     data = {
         "inputs": {},
         "query": f"请根据以下群聊记录生成一份精华总结：\n\n{content_compress}",
         "response_mode": "blocking",  # 使用阻塞模式，直接获取完整响应
         "conversation_id": "",
-        "user": "message_summary_bot",
+        "user": sender if sender is not None else "message_summary_bot",
         "files": []  # 不包含文件
     }
 
@@ -473,5 +474,5 @@ if __name__ == '__main__':
 2025-03-14 14:30:12,Jyunere,[捂脸]
 2025-03-14 14:30:15,Jyunere,别这样啊。
     """
-    msg = compress_chat_data(content,5)
+    msg = compress_chat_data(content, 5)
     print(f"{msg}\n {len(msg)},{len(content)}")
diff --git a/robot.py b/robot.py
index 099bbf8..a5a56e5 100644
--- a/robot.py
+++ b/robot.py
@@ -640,7 +640,7 @@ class Robot(Job):
             if self.gbm.get_group_permission(sender, Feature.SUMMARY_CAPABILITY) == PermissionStatus.ENABLED:
                 self.LOG.info(f"群： {sender} 消息总结开始执行！")
                 content = self.message_storage.get_messages(sender, self.allContacts)
-                summary, spath = message_summary_dify(content)
+                summary, spath = message_summary_dify(content, self.allContacts.get(sender, sender))
                 # self.send_text_msg(summary, sender)
                 self.wcf.send_file(spath, sender)
             else: