diff --git a/app/Http/Controllers/Goods/GoodsSkusController.php b/app/Http/Controllers/Goods/GoodsSkusController.php
index cbe0b21..cb0fecb 100644
--- a/app/Http/Controllers/Goods/GoodsSkusController.php
+++ b/app/Http/Controllers/Goods/GoodsSkusController.php
@@ -319,23 +319,24 @@ class GoodsSkusController extends Controller
             $record->save();
             $this->setAfterUpdate($record->loss_num);
             $sku->stock -= $request->loss_num;
+            $sku->save();
         } else {
-            $sku->$updateField = $request->$updateField;
-        }
-        $this->setBeforeUpdate($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;
+            $this->setBeforeUpdate($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->stock += $changeNum;
+            $sku->$updateField = $request->$updateField;
+            $sku->save();
+            $this->setAfterUpdate($sku->$updateField);
         }
-        $sku->save();
         if (in_array($updateField, ['reserve', 'loss_num'])) {
             event(new StockUpdateEvent($sku));
         }
-        $this->setAfterUpdate($sku->$updateField);
         $this->addLog($id, $updateField);
         end: