diff --git a/coolstore-partner-dao/src/main/resources/mapper/PreFriedProductsMapper.xml b/coolstore-partner-dao/src/main/resources/mapper/PreFriedProductsMapper.xml
index fb556450c..e4b57d94b 100644
--- a/coolstore-partner-dao/src/main/resources/mapper/PreFriedProductsMapper.xml
+++ b/coolstore-partner-dao/src/main/resources/mapper/PreFriedProductsMapper.xml
@@ -38,12 +38,11 @@
   </select>
 
   <select id="queryByProductCode" resultMap="BaseResultMap">
-    SELECT * FROM xfsg_pre_fried_products and deleted = 0
-    <where>
+    SELECT * FROM xfsg_pre_fried_products
+    where  deleted = 0
       <if test="productCode != null and productCode != ''">
         AND product_code = #{productCode}
       </if>
-    </where>
   </select>
 
   <delete id="batchDelete">
diff --git a/coolstore-partner-service/src/main/java/com/cool/store/service/impl/PreFriedProductsServiceImpl.java b/coolstore-partner-service/src/main/java/com/cool/store/service/impl/PreFriedProductsServiceImpl.java
index 9360fc18d..293592af6 100644
--- a/coolstore-partner-service/src/main/java/com/cool/store/service/impl/PreFriedProductsServiceImpl.java
+++ b/coolstore-partner-service/src/main/java/com/cool/store/service/impl/PreFriedProductsServiceImpl.java
@@ -51,6 +51,10 @@ public class PreFriedProductsServiceImpl  implements PreFriedProductsService {
         if (dto==null||dto.getId() == null){
             throw  new ServiceException(ErrorCodeEnum.PARAMS_REQUIRED);
         }
+        PreFriedProductsDO preFriedProductsDO = preFriedProductsDAO.queryByProductCode(dto.getProductCode());
+        if (preFriedProductsDO!=null && !preFriedProductsDO.getId().equals(dto.getId())){
+            throw  new ServiceException(ErrorCodeEnum.PRODUCTS_CODE_EXIST);
+        }
         PreFriedProductsDO product = convertToDO(dto);
         product.setUpdatedTime(new Date());
         product.setUpdatedUserId(userId);