优惠券修改优化

@@ -3,6 +3,7 @@ package com.yoho.ufo.coupon.service.impl;
 import com.alibaba.fastjson.JSON;
 import com.alibaba.fastjson.JSONObject;
 import com.yoho.core.common.utils.DateUtil;
+import com.yoho.error.exception.ServiceException;
 import com.yoho.ufo.coupon.service.ICouponService;
 import com.yoho.ufo.dal.CouponMapper;
 import com.yoho.ufo.dal.CouponProductLimitMapper;
@@ -225,11 +226,11 @@ public class CouponServiceImpl implements ICouponService,IBusinessExportService{
         Coupon coupon = couponMapper.selectById(req.getId());
         if(coupon == null){
             LOGGER.info("checkUpdateCouponParam failed! coupon is null.id is {}",req.getId());
-            return false;
+            throw new ServiceException(500,"修改失败，优惠券不存在");
         }
         if(coupon.getSendNum()>0){
             LOGGER.info("checkUpdateCouponParam failed! coupon is using! sendNum is {}",coupon.getSendNum());
-            return false;
+            throw new ServiceException(500,"修改失败，优惠券已发放");
         }
         return true;
     }