错误hint值: [1641470101557012152472846]

{"changeType":"add_external_contact","createTime":1641470096,"event":"change_external_contact","externalUserId":"xxx","fromUserName":"sys","msgType":"event","state":"FCC202111221619257354a8f","toUserName":"ww818ee4cb4ce65899","userId":"wxr1457x","welcomeCode":"G-FkA608fqZ1L17f-eZTtDiJC__oRWKtMEGxmZmKJm4"}

用户加人事件

调用欢迎语返回 41050

code=41050, message=invalid welcome code, hint: [1641470101557012152472846], from ip: 61.177.22.253, more info at https://open.work.weixin.qq.com/devtool/query?e=41050, detail=null, data=null

帮忙解答一下谢谢