fix: 修复QQ平台@的一些问题

cores/qqbot/core.py

@@ -405,17 +405,14 @@ def oper_msg(message, at=False, msg_ref = None, platform = None):
 
     if platform == PLATFORM_GOCQ:
         if isinstance(message.message[0], Plain):
-            if 'text' in message.message[0]:
-                print("[GOCQ-BOT] 接收到消息："+ str(message.message[0].text))
-                qq_msg = str(message.message[0].text)
-            else:
-                print("[GOCQ-BOT] 接收到消息："+ str(message.message[1].text))
-                qq_msg = str(message.message[1].text)
-            session_id = message.group_id
-            # todo: 暂时将所有人设为管理员
-            role = "admin"
+            qq_msg = str(message.message[0].text)
+        elif isinstance(message.message[0], At):
+            qq_msg = str(message.message[1].text)
         else:
             return
+        session_id = message.group_id
+        # todo: 暂时将所有人设为管理员
+        role = "admin"
         
     logf.write("[QQBOT] "+ qq_msg+'\n')
     logf.flush()