//coupon

mallinkService/src/main/java/com/iformall/service/impl/WxCouponServiceImpl.java

@@ -394,7 +394,10 @@ public class WxCouponServiceImpl implements WxCouponService {
                 if (null != couponMallList && couponMallList.size()> 0 ) {
                     for (WxCouponMall cm:couponMallList) {
                         WxMall mall = wxMallMapper.getByTenantId(cm.getMallTenantId());
-                        merchantVoList.addAll(getCouponMerchantList(couponId, mall));
+                        List<WxMerchantVo> couponMerchantList = getCouponMerchantList(couponId, mall);
+                        if(couponMerchantList != null && couponMerchantList.size() > 0){
+                            merchantVoList.addAll(couponMerchantList);
+                        }
                     }
                 }
                 return merchantVoList;