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1.Use the PayerMax result page

On the PayerMax payment result page, the user can click the Return to Merchant button to jump back to the merchant-specified page.

2.Do not use the Payermax result page (you can give us feedback for configuration)

After the payment is completed, the user jumps directly back to the page specified by the merchant.

Do not use the parameter status value attached to the front-end callback (frontCallBackUrl) to update the transaction result.
Be sure to:
1) PayerMax server asynchronous callback;
2) Or actively request the order status of the order query interface as the processing basis after learning the callback from the front end, so as to ensure the accuracy and security of the transaction.

3.The following parameters are spliced after frontCallBackUrl

outTradeNo: merchant order number

tradeToken: PayerMax transaction number

status: order status

PENDING，SUCCESS，FAILED，CLOSED