优化markdown to_image 逻辑

plugins/ai_auto_response/main.py

@@ -54,7 +54,7 @@ class AIAutoResponsePlugin(MessagePluginInterface):
         super().__init__()
         self.intervention_bot = None
         self.group_messages = {}  # 存储每个群的最近消息
-        self.max_messages = 20  # 每个群最多存储的消息数量
+        self.max_messages = 100  # 每个群最多存储的消息数量
         # 注册功能权限
         self.feature = self.register_feature()
 
@@ -164,7 +164,7 @@ class AIAutoResponsePlugin(MessagePluginInterface):
             if response:
                 # 发送回复
                 await bot.send_text_message(roomid, response, sender)
-                return True, "自动回复成功"
+                return False, "自动回复成功"
             else:
                 return False, "生成回复失败"