https://developers.weixin.qq.com/doc/oplatform/Mobile_App/FAQ/iOS.htmlhttps://developers.weixin.qq.com/doc/oplatform/Mobile_App/APP_launch_wechat_customer_service.html

wxlog:send req[<WXOpenCustomerServiceReq: 0x282520780>], appID:wx46847cec8f5b0671, universalLink:https://xiaohao.uwewe.cn/, sdkVersion:1.9.9

wxlog:send req transformToUrl data len:356, erased:0

wxlog:gen url with full params ok

wxlog:Error:fail to load Keychain status:-25300, keyData null:1

wxlog:token[(null)] is null

wxlog:launch app with ul only success

wxlog:launch app with universal link, ret:1

wxlog:req:<WXOpenCustomerServiceReq: 0x282520780>, cid:cd8cf8957007fc194587cc00b71f1fce0667b74f6e4cbb8a94ad918ee7f89e6d