https://developers.weixin.qq.com/miniprogram/dev/framework/open-ability/customer-message/receive.html

进入会话的时候，有一个临时回调回来，但是开始发送信息后就没有对应的回调类型了。不管发送什么都没有回调。

{"ToUserName":"gh_b78a3fee8871","FromUserName":"oSOah5GuT40Rzl_TGqrnHFWup8to","CreateTime":1684981773,"MsgType":"event","Event":"user_enter_tempsession","SessionFrom":"wxapp"}  

{"ToUserName":"gh_b78a3fee8871","FromUserName":"oSOah5GuT40Rzl_TGqrnHFWup8to","CreateTime":1684981806,"MsgType":"event","Event":"user_enter_tempsession","SessionFrom":"wxapp"}  

{"ToUserName":"gh_b78a3fee8871","FromUserName":"oSOah5GuT40Rzl_TGqrnHFWup8to","CreateTime":1684982035,"MsgType":"event","Event":"user_enter_tempsession","SessionFrom":"wxapp"}  

{"ToUserName":"gh_b78a3fee8871","FromUserName":"oSOah5GuT40Rzl_TGqrnHFWup8to","CreateTime":1684982844,"MsgType":"event","Event":"user_enter_tempsession","SessionFrom":"wxapp"}