diff --git a/src/main/java/com/chaozhanggui/system/cashierservice/service/OrderService.java b/src/main/java/com/chaozhanggui/system/cashierservice/service/OrderService.java
index ef07d6a..1c2f5f4 100644
--- a/src/main/java/com/chaozhanggui/system/cashierservice/service/OrderService.java
+++ b/src/main/java/com/chaozhanggui/system/cashierservice/service/OrderService.java
@@ -113,14 +113,17 @@ public class OrderService {
             return Result.fail(CodeEnum.PRODUCTSKUERROR);
         }
 
+        String message = redisUtil.getMessage(RedisCst.ORDER_PRODUCT_NUM + cartId);
 
         if("1".equals(product.getIsStock().toString())){
             if ("1".equals(product.getIsDistribute().toString())) {
-                if(product.getStockNumber()-number<0){
+                if((message == null && product.getStockNumber()-number<0) ||
+                        (product.getStockNumber()-number<0 && message != null && Integer.parseInt(message) < number)){
                     return Result.fail(CodeEnum.STOCKERROR);
                 }
             } else if (product.getId().intValue()==Integer.valueOf(skuWithBLOBs.getProductId()).intValue()){
-                if(skuWithBLOBs.getStockNumber()-number<0){
+                if((message == null && skuWithBLOBs.getStockNumber()-number<0) ||
+                        (skuWithBLOBs.getStockNumber()-number<0 && message != null && Integer.parseInt(message) < number)){
                     return Result.fail(CodeEnum.STOCKERROR);
                 }
             }
@@ -223,6 +226,7 @@ public class OrderService {
         }
 
 
+
 //        skuWithBLOBs.setStockNumber(skuWithBLOBs.getStockNumber()-number);
         skuWithBLOBs.setUpdatedAt(System.currentTimeMillis());
         tbProductSkuMapper.updateByPrimaryKey(skuWithBLOBs);
@@ -792,6 +796,12 @@ public class OrderService {
         List<ProductSkuPo> productSkuPos=new ArrayList<>();
         List<String> skuIds=new ArrayList<>();
         for (TbCashierCart cashierCart : list) {
+            // 数量减少, 返还库存
+            String message = redisUtil.getMessage(RedisCst.ORDER_PRODUCT_NUM + cashierCart.getId());
+
+            if (message != null) {
+                productService.incrStock(cashierCart.getProductId(), cashierCart.getSkuId(), Integer.parseInt(message));
+            }
             if (StringUtils.isNotEmpty(cashierCart.getOrderId())) {
                 orderId = Integer.valueOf(cashierCart.getOrderId());
 
@@ -820,6 +830,8 @@ public class OrderService {
             tbProductSkuMapper.batchStockNum(productSkuPos);
         }
 
+
+
         return Result.success(CodeEnum.SUCCESS);
     }