h5支付。求支付失败原因。第二个界面会闪三次。然后弹出第三个界面一直这样。

交易信息：

{"body":{"code":200,"data":{"appid":"xxxx","device_info":"WEB","err_code":null,"err_code_des":null,"mch_id":"xxxxxxx","mweb_url":"https://wx.tenpay.com/cgi-bin/mmpayweb-bin/checkmweb?prepay_id=wx16192251930545b065201f4c1051919300&package=601435674","nonce_str":"dE0rtmvSobHMkcCz","prepay_id":"wx16192251930545b065201f4c1051919300","result_code":"SUCCESS","return_msg":"OK","sign":"C1481253D1D5290942B68B783BDAC09C","trade_type":"MWEB"},"message":"操作成功"},"headers":{},"statusCode":"OK","statusCodeValue":200}