diff --git a/app/Http/Controllers/Goods/GoodsSkusController.php b/app/Http/Controllers/Goods/GoodsSkusController.php
index 73a514f..97f1d34 100644
--- a/app/Http/Controllers/Goods/GoodsSkusController.php
+++ b/app/Http/Controllers/Goods/GoodsSkusController.php
@@ -142,8 +142,9 @@ class GoodsSkusController extends Controller
             // 商品规格更新
             $sku = GoodsSku::query()->find($id);
             $this->setBeforeUpdateForLog($sku->toArray());
-            $request->sku['external_sku_id'] = $request->goods['goods_code'] . '_' . $request->sku['sku_code'];
-            $sku->update($request->sku);
+            $skuInfo = $request->sku;
+            $skuInfo['external_sku_id'] = $request->goods['goods_code'] . '_' . $request->sku['sku_code'];
+            $sku->update($skuInfo);
             $this->setAfterUpdateForLog($sku->toArray());
             $this->addLog($id, 'update');
             // 商品更新