diff --git a/app/Http/Controllers/Goods/GoodsSkusController.php b/app/Http/Controllers/Goods/GoodsSkusController.php
index b70843d..30fb032 100644
--- a/app/Http/Controllers/Goods/GoodsSkusController.php
+++ b/app/Http/Controllers/Goods/GoodsSkusController.php
@@ -302,8 +302,7 @@ class GoodsSkusController extends Controller
         $validator = Validator::make($request->all(), $rules);
         if ($validator->fails()) {
             $this->setValidatorFailResponse($validator->getMessageBag()->getMessages());
-
-            return response($this->res, $this->res['httpCode']);
+            goto end;
         }
         $updateField = \request('updateField');
         $sku = GoodsSku::query()->find($id);
@@ -322,12 +321,17 @@ class GoodsSkusController extends Controller
         $this->setBeforeUpdate($sku->$updateField);
         if ('reserve' === $updateField) {
             $changeNum = $sku->reserve - $request->reserve;
+            if (0 > $changeNum + $sku->stock) {
+                $this->setValidatorFailResponse('预留量超过库存数量');
+                goto end;
+            }
             $sku->stock += $changeNum;
         }
         $sku->$updateField = $request->$updateField;
         $sku->save();
         $this->setAfterUpdate($sku->$updateField);
         $this->addLog($id, $updateField);
+        end:
 
         return response($this->res, $this->res['httpCode']);
     }