diff --git a/mallinkService/src/main/java/com/iformall/service/impl/WxMerchantServiceImpl.java b/mallinkService/src/main/java/com/iformall/service/impl/WxMerchantServiceImpl.java index f82f0f3f2..242487f2e 100644 --- a/mallinkService/src/main/java/com/iformall/service/impl/WxMerchantServiceImpl.java +++ b/mallinkService/src/main/java/com/iformall/service/impl/WxMerchantServiceImpl.java @@ -923,6 +923,9 @@ public class WxMerchantServiceImpl implements WxMerchantService { @Override public Map> findCouponMerchantVoList(List couponIds,TenantEntity tenantEntity,boolean hasShop) { + if (null == couponIds || couponIds.size() <= 0) { + return null; + } List merchantIds = wxCouponMerchantMapper.findMerchantByProductIds(tenantEntity.getTenantId(), couponIds); if(null != merchantIds && merchantIds.size() > 0 ) { WxMerchant merchantQ = new WxMerchant();