WXChooseInvoiceReq *cardReq = [[WXChooseInvoiceReq alloc]init];     cardReq.appID = [self currentAppID];     cardReq.timeStamp = (UInt32)timestamp.integerValue;     cardReq.nonceStr = nonceStr;     cardReq.signType = @"SHA1";     cardReq.cardSign = cardSign;     [WXApi sendReq:cardReq completion:nil]; 这是源代码，微信和sdk都是最新版，登录和分享功能正常（但还是会二次跳转）