https://developers.weixin.qq.com/doc/offiaccount/Customer_Service/Forwarding_of_messages_to_service_center.html

<xml> 
  <ToUserName><![CDATA[touser]]></ToUserName>  
  <FromUserName><![CDATA[fromuser]]></FromUserName>  
  <CreateTime>1399197672</CreateTime>  
  <MsgType><![CDATA[transfer_customer_service]]></MsgType> 
</xml>

、这段代码放在哪里，调整了2次都没触发 客服助手和PC端、服务通知的消息推送