Authored by maelk-liu

add cancel

@@ -280,3 +280,8 @@ sign=2D50BC4D67CFFC0BC185CCE72470B72A @@ -280,3 +280,8 @@ sign=2D50BC4D67CFFC0BC185CCE72470B72A
280 "message": "third refund query" 280 "message": "third refund query"
281 } 281 }
282 ``` 282 ```
  283 +
  284 +## yohopay.trade.system.cancel(取消订单)
  285 +商户可使用该接口取消交易
  286 +
  287 +