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@@ -185,8 +185,8 @@ class Order extends Api
         }
         foreach ($arr as $k => $v) {
             $stock = Db::name('product')->where(['id' => $v['product_id']])->value('stock');
-            $num = $stock - $v['num'];
-            Db::name('product')->where(['id' => $v['product_id']])->update(['stock' => $num]);
+            $num[$k] = $stock - $v['num'];
+            Db::name('product')->where(['id' => $v['product_id']])->update(['stock' => $num[$K]]);
         }
         if (!$insert_orderCon) {
             $this->error('订单详情生成失败', 0);