diff --git a/cereshop-app/src/main/java/com/shop/cereshop/app/service/cart/impl/CereShopCartServiceImpl.java b/cereshop-app/src/main/java/com/shop/cereshop/app/service/cart/impl/CereShopCartServiceImpl.java
index 96421fa..6a6dbea 100644
--- a/cereshop-app/src/main/java/com/shop/cereshop/app/service/cart/impl/CereShopCartServiceImpl.java
+++ b/cereshop-app/src/main/java/com/shop/cereshop/app/service/cart/impl/CereShopCartServiceImpl.java
@@ -605,7 +605,8 @@ public class CereShopCartServiceImpl implements CereShopCartService {
         List<ProductCoupon> couponList = couponMap.get(sku.getProductId());
         if (couponList == null) {
             if(user!=null){
-                couponList=cereShopCouponService.findByProductIdAndUserId(user.getBuyerUserId(), sku.getShopId(), sku.getProductId());
+                //couponList=cereShopCouponService.findByProductIdAndUserId(user.getBuyerUserId(), sku.getShopId(), sku.getProductId());
+                couponList=cereShopCouponService.findByProductIdAndUserId(user.getBuyerUserId(), Long.valueOf(user.getProject()), sku.getProductId());
             }else {
                 couponList=cereShopCouponService.findByProductId(sku.getShopId(), sku.getProductId());
             }
diff --git a/cereshop-app/src/main/java/com/shop/cereshop/app/service/coupon/impl/CereShopCouponServiceImpl.java b/cereshop-app/src/main/java/com/shop/cereshop/app/service/coupon/impl/CereShopCouponServiceImpl.java
index b41476a..19afc42 100644
--- a/cereshop-app/src/main/java/com/shop/cereshop/app/service/coupon/impl/CereShopCouponServiceImpl.java
+++ b/cereshop-app/src/main/java/com/shop/cereshop/app/service/coupon/impl/CereShopCouponServiceImpl.java
@@ -5,19 +5,24 @@
  */
 package com.shop.cereshop.app.service.coupon.impl;
 
+import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
 import com.github.pagehelper.PageHelper;
 import com.github.pagehelper.PageInfo;
 import com.shop.cereshop.app.dao.coupon.CereShopCouponDAO;
+import com.shop.cereshop.app.dao.shop.CerePlatformShopDAO;
 import com.shop.cereshop.app.page.coupon.CommonCoupon;
 import com.shop.cereshop.app.page.product.ProductCoupon;
+import com.shop.cereshop.app.page.shop.PlatformShop;
 import com.shop.cereshop.app.param.canvas.CanvasCouponParam;
 import com.shop.cereshop.app.param.coupon.ShopCouponParam;
 import com.shop.cereshop.app.service.buyer.CereBuyerShopCouponService;
 import com.shop.cereshop.app.service.coupon.CereShopCouponService;
+import com.shop.cereshop.app.service.shop.CerePlatformShopService;
 import com.shop.cereshop.commons.constant.IntegerEnum;
 import com.shop.cereshop.commons.domain.buyer.CereBuyerShopCoupon;
 import com.shop.cereshop.commons.domain.buyer.CereBuyerUser;
 import com.shop.cereshop.commons.domain.common.Page;
+import com.shop.cereshop.commons.domain.shop.CerePlatformShop;
 import com.shop.cereshop.commons.domain.tool.CereShopCoupon;
 import com.shop.cereshop.commons.exception.CoBusinessException;
 import com.shop.cereshop.commons.utils.EmptyUtils;
@@ -42,9 +47,13 @@ public class CereShopCouponServiceImpl implements CereShopCouponService {
     @Autowired
     private CereBuyerShopCouponService cereBuyerShopCouponService;
 
+    @Autowired
+    private CerePlatformShopDAO cerePlatformShopDAO;
+
     @Override
     public List<ProductCoupon> findByProductId(Long shopId, Long productId) {
-        return cereShopCouponDAO.findProductCanUseCoupon(shopId, productId);
+        CerePlatformShop platformShop = cerePlatformShopDAO.selectByPrimaryKey(shopId);
+        return cereShopCouponDAO.findProductCanUseCoupon(platformShop.getBusinessId(), productId);
     }
 
     @Override
diff --git a/cereshop-app/src/main/java/com/shop/cereshop/app/service/product/impl/CereShopProductServiceImpl.java b/cereshop-app/src/main/java/com/shop/cereshop/app/service/product/impl/CereShopProductServiceImpl.java
index 4e581b4..8c12f8c 100644
--- a/cereshop-app/src/main/java/com/shop/cereshop/app/service/product/impl/CereShopProductServiceImpl.java
+++ b/cereshop-app/src/main/java/com/shop/cereshop/app/service/product/impl/CereShopProductServiceImpl.java
@@ -785,7 +785,8 @@ public class CereShopProductServiceImpl implements CereShopProductService {
             return shopCoupons;
         }
         if(user!=null){
-            shopCoupons=cereShopCouponService.findByProductIdAndUserId(user.getBuyerUserId(), detail.getShopId(), detail.getProductId());
+            //shopCoupons=cereShopCouponService.findByProductIdAndUserId(user.getBuyerUserId(), detail.getShopId(), detail.getProductId());
+            shopCoupons=cereShopCouponService.findByProductIdAndUserId(user.getBuyerUserId(), Long.valueOf(user.getProject()), detail.getProductId());
         }else {
             shopCoupons=cereShopCouponService.findByProductId(detail.getShopId(), detail.getProductId());
         }