Status Code	description
200	The request is successful.
201	The data does not exist.
400	Incorrect request parameters
500	request failed
501	the merchant does not exist.
502	Merchant disabled
503	intelligent routing exception
504	an error occurred while obtaining the channel and account.
505	The handling fee corresponding to the minimum interval amount is less than the minimum interval amount.
506	The handling fee is less than the order amount (fixed amount)
507	risk control/limit issues
508	service exception
509
510
511
512
513
514
515	the merchant key is not set.
516	Signature Verification failed.