[储值卡][新增]:卡支付检查

mallinkCApi/src/main/java/com/iformall/controller/WxCardPayController.java

@@ -76,6 +76,8 @@ public class WxCardPayController extends BaseController {
             return new ResultData(ErrorCode.SYS_PARAMETER_NOT_NULL.getCode(), "merchantCode转换失败");
         }
 
+        // check if merchantId is in card support merchant
+
         BigDecimal totalFee = new BigDecimal(totalFeeStr);
         totalFee.setScale(2, BigDecimal.ROUND_HALF_UP); // 第一个变量是小数位数，第二个变量是取舍方法(四舍五入)