diff --git a/src/main/java/com/chaozhanggui/system/cashierservice/service/DutyService.java b/src/main/java/com/chaozhanggui/system/cashierservice/service/DutyService.java
index 60ca448..e440be9 100644
--- a/src/main/java/com/chaozhanggui/system/cashierservice/service/DutyService.java
+++ b/src/main/java/com/chaozhanggui/system/cashierservice/service/DutyService.java
@@ -45,6 +45,8 @@ public class DutyService {
     @Autowired
     private TbProductSkuMapper productSkuMapper;
     @Autowired
+    private TbProductMapper productMapper;
+    @Autowired
     private CloudPrinterService cloudPrinterService;
     @Autowired
     private RedisUtils redisUtil;
@@ -372,12 +374,25 @@ public class DutyService {
     }
 
     private void subInventory(Integer shopId, Integer skuId, Integer num) {
-        String result = redisUtil.seckill(RedisCst.PRODUCT + shopId.toString() + ":" + skuId.toString(), num.toString());
         TbProductSku tbProductSku = productSkuMapper.selectByPrimaryKey(skuId);
-        if (num > tbProductSku.getStockNumber()) {
-            productSkuMapper.updateStockNum(skuId,num);
-        } else {
-            productSkuMapper.updateByskuIdSub(skuId, num);
+        TbProductWithBLOBs product = productMapper.selectByPrimaryKey(Integer.valueOf(tbProductSku.getProductId()));
+
+
+        if (ObjectUtil.isNotEmpty(product)) {
+            if (product.getIsDistribute() == 1) {
+                redisUtil.seckill(RedisCst.PRODUCT + shopId.toString() + ":product" + product.getId().toString(), num.toString());
+                productMapper.updateStockById(skuId, num);
+            } else {
+                redisUtil.seckill(RedisCst.PRODUCT + shopId.toString() + ":" + skuId.toString(), num.toString());
+                if (ObjectUtil.isNotEmpty(tbProductSku)) {
+                    if (num > tbProductSku.getStockNumber()) {
+                        productSkuMapper.updateStockNum(skuId,num);
+                    } else {
+                        productSkuMapper.updateByskuIdSub(skuId, num);
+                    }
+                }
+            }
         }
+
     }
 }