!231 adding filter coupon logic

Merge pull request !231 from Admin/sit-Carl

smart-admin-service/smart-admin-api/src/main/java/net/lab1024/smartadmin/module/system/royalcanin/CouponService.java

@@ -66,6 +66,7 @@ public class CouponService {
                     for(int g = 0 ;g<productCode.length;g++) {
                         if ((jsonResult.get("productCodes") != null ? jsonResult.get("productCodes").toString().indexOf(productCode[g]) : "".indexOf(productCode[g])) != -1 || jsonResult.get("productCodes") == null) {
                             afterFilterArrary.add(jsonResult);
+                            break;
                         }
                     }
                 }