wxlog:Error:launch app fail, url is nil!
WeChatSDK: wxlog:Error:lauch app fail and need degrade, url:(null), schemeURL:(null)
WeChatSDK: wxlog:Error:launch app fail, url is nil!
WeChatSDK: wxlog:degrade launch app ret:0, with url:(null)
传的path链接是：
https://xxxx域名.com/zzg-mini-order/activation-code-pay.html?count=1&originPrice=1&totalPrice=1&serviceName=世界和平&jumpOrigin=syj
问题已解决， 调起小程序 username一定要写对，一定要是指定的小程序名称