string(52) "http://gateway.elionpay.cn:8099/api/v1/applyAgentPay" array(3) { ["retCode"]=> string(15) "LACK_OF_BALANCE" ["retMsg"]=> string(18) "商户余额不足" ["sign"]=> string(96) "MEUCIQCyt9Jlz168pDcMYGbM7jRohbh40qxfIX5xBPcZS0FU2AIgMLkFKMsZtg6QdhZI4nq1tHkUxtWOKI4kKADWtmmiPxM=" } null