优化代码，删除无效代码

plugins/dify/main.py

@@ -1,4 +1,3 @@
-import logging
 import os
 import requests
 import json
@@ -6,9 +5,6 @@ import time
 import re  # 添加re模块导入
 from typing import Dict, Any, List, Optional, Tuple
 
-from loguru import logger
-
-from message_util import MessageUtil
 from plugin_common.message_plugin_interface import MessagePluginInterface
 from plugin_common.plugin_interface import PluginStatus
 from utils.decorator.plugin_decorators import plugin_stats_decorator
@@ -65,7 +61,6 @@ class DifyPlugin(MessagePluginInterface):
 
         # 保存上下文对象
         self.event_system = context.get("event_system")
-        self.message_util: MessageUtil = context.get("message_util")
         self.gbm = context.get("gbm")
 
         # 从配置中获取参数
@@ -140,8 +135,6 @@ class DifyPlugin(MessagePluginInterface):
                 await bot.send_at_message(roomid, "请在@我的同时提供问题内容", [sender])
                 return False, "没有提供问题内容"
 
-            # self.message_util.send_text_msg("⏳AI 正在加油，请稍候… 😊", roomid, sender)
-
             try:
                 # 调用Dify API获取回复
                 response = self._chat_with_dify((roomid if roomid else sender), sender, query)
@@ -153,7 +146,7 @@ class DifyPlugin(MessagePluginInterface):
                     # 判断是否为本地文件路径
                     if os.path.isfile(response):
                         # 如果是文件路径，使用发送文件方法
-                        self.message_util.send_file(response, roomid)
+                        await bot.send_image_message(roomid, response)
                     else:
                         # 如果是普通文本，使用发送文本方法
                         await bot.send_at_message((roomid if roomid else sender), response, [sender])
@@ -184,7 +177,11 @@ class DifyPlugin(MessagePluginInterface):
         if roomid and gbm.get_group_permission(roomid, Feature.AI_CAPABILITY) == PermissionStatus.DISABLED:
             return False, "没有权限"
 
-        # self.message_util.send_text_msg("⏳AI 正在加油，请稍候… 😊", (roomid if roomid else sender),sender if roomid else "")
+        client_msg_id, create_time, new_msg_id = await bot.send_text_message((roomid if roomid else sender),
+                                                                             "⏳AI 正在加油，请稍候… 😊",
+                                                                             sender if roomid else "")
+
+        revoke.add_message_to_revoke(roomid, client_msg_id, create_time, new_msg_id, 3)
         # 获取查询内容
         query = parts[1].strip()