diff --git a/app/admin/logic/warehouse_product/WarehouseProductLogic.php b/app/admin/logic/warehouse_product/WarehouseProductLogic.php
index 3fd3e1bdf..29ee35a5d 100644
--- a/app/admin/logic/warehouse_product/WarehouseProductLogic.php
+++ b/app/admin/logic/warehouse_product/WarehouseProductLogic.php
@@ -346,31 +346,28 @@ class WarehouseProductLogic extends BaseLogic
     //减少
     private static function decStock($res)
     {
-        $res = WarehouseProductStorege::where('warehouse_id', $res['warehouse_id'])
-            ->where('product_id', $res['product_id'])
-            ->dec('nums', $res['nums'])
-            ->save();
-        SqlChannelLog('WarehouseProductStorege', $res['id'], $res['nums'], -1, Request()->url());
+        $res1 = WarehouseProductStorege::where('warehouse_id', $res['warehouse_id'])
+            ->where('product_id', $res['product_id'])->find();
+        $res1->save(['nums'=>bcsub($res1['nums'], $res['nums'],2)]);
+        SqlChannelLog('WarehouseProductStorege', $res1['id'], $res['nums'], -1, Request()->url());
 
-        $res2 = StoreBranchProduct::where('id', $res['id'])
-            ->dec('stock', $res['nums'])
-            ->update();
+        $res2 = StoreBranchProduct::where('id', $res['id'])->find();
+        $res2->save(['stock'=>bcsub($res2['stock'], $res['nums'],2)]);
         SqlChannelLog('StoreBranchProduct', $res2['id'], $res['nums'], -1, Request()->url());
     }
 
     //增加
     private static function incStock($res, $params)
     {
-        $res = WarehouseProductStorege::where('warehouse_id', $res['warehouse_id'])
+        $res1 = WarehouseProductStorege::where('warehouse_id', $res['warehouse_id'])
             ->where('product_id', $res['product_id'])
-            ->inc('nums', $params['nums'])
-            ->save();
-        SqlChannelLog('WarehouseProductStorege', $res['id'], $res['nums'], 1, Request()->url());
+            ->find();
+        $res1->save(['nums'=>bcadd($res1['nums'], $params['nums'],2)]);
+        
+        SqlChannelLog('WarehouseProductStorege', $res1['id'], $res['nums'], 1, Request()->url());
 
-
-        $res2 = StoreBranchProduct::where('id', $res['id'])
-            ->inc('stock', $params['nums'])
-            ->save();
+        $res2 = StoreBranchProduct::where('id', $res['id'])->find();
+        $res2->save(['stock'=>bcadd($res2['stock'], $params['nums'],2)]);
         SqlChannelLog('StoreBranchProduct', $res2['id'], $res['nums'], 1, Request()->url());
     }
 }