curl -X POST https://credit.linux.do/epay/pay/submit.php  
-H “Content-Type: application/x-www-form-urlencoded”  
-d “pid=001”  
-d “type=epay”  
-d “out_trade_no=M20250101”  
-d “name=Test”  
-d “money=10”  
-d “sign=${SIGN}”  
-d “sign_type=MD5” 
返回403