Merge branch 'dev-resources-20181116' into test6.8.2

@@ -125,6 +125,7 @@ public class CouponServiceImpl implements ICouponService,IBusinessExportService{
             LOGGER.info("before saveOrUpdateCoupon#deleteByCouponId,couponId is {}",req.getId());
             couponProductLimitMapper.deleteByCouponId(req.getId());
         }
+        req.setSendNum(null == req.getSendNum()?0:req.getSendNum());
         //TODO 新增和修改暂时都写死的数据
         req.setProductLimitType(Coupon.PRODUCTLIMITTYPE_SPECIALPRODUCT);
         req.setCouponType(100);