diff --git a/mall-shop/src/main/java/com/suisung/mall/shop/product/service/impl/ShopProductBaseServiceImpl.java b/mall-shop/src/main/java/com/suisung/mall/shop/product/service/impl/ShopProductBaseServiceImpl.java
index f8aa3993..a178f29c 100644
--- a/mall-shop/src/main/java/com/suisung/mall/shop/product/service/impl/ShopProductBaseServiceImpl.java
+++ b/mall-shop/src/main/java/com/suisung/mall/shop/product/service/impl/ShopProductBaseServiceImpl.java
@@ -1001,8 +1001,10 @@ public class ShopProductBaseServiceImpl extends BaseServiceImpl<ShopProductBaseM
             item_row.setSpec_item_ids(CollUtil.join(spec_item_ids, ","));
 
             // todo 生成商家SKU
-
-            String sku_uniqid = CollUtil.join(spec_item_ids, "-");
+            String sku_uniqid = "default";
+            if(CollUtil.isNotEmpty(spec_item_ids)){
+                 sku_uniqid = CollUtil.join(spec_item_ids, "-");
+            }
             String product_item_seq_val = String.format("%s:%s", productId, sku_uniqid);
             String product_item_seq_id = SecureUtil.md5(product_item_seq_val);