diff --git a/app/common/model/SkuAttributeValue.php b/app/common/model/SkuAttributeValue.php
index 346928f..1d55ada 100644
--- a/app/common/model/SkuAttributeValue.php
+++ b/app/common/model/SkuAttributeValue.php
@@ -45,5 +45,5 @@ class SkuAttributeValue extends Model
     /**
      * 不允许自动填充模型字段
      */
-    protected $guarded = [];
+    protected $guarded = ['created_at', 'updated_at'];
 }
\ No newline at end of file
diff --git a/app/common/service/SkuService.php b/app/common/service/SkuService.php
index 8c6217d..109465c 100644
--- a/app/common/service/SkuService.php
+++ b/app/common/service/SkuService.php
@@ -102,6 +102,54 @@ class SkuService
         return $res;
     }
 
+    /**
+     * 添加前置处理
+     */
+    public function beforeServiceUpdate($data, Request $request)
+    {
+        $spec = [];
+        SkuAttributeValue::where('sku_id', $data['id'])->delete();
+        foreach ($data['spec'] as $key => $value) {
+            $specItem = [];
+            $specItem['category_id'] = $data['category_id'];
+            $specItem['attr_id'] = $value['attr_id'];
+            $specItem['attr_name'] = $value['attr_name'];
+            $specItem['attr_value'] = $value['attr_value'];
+            $spec[] = $specItem;
+            SkuAttributeValue::create($specItem);
+        }
+        $spec_json = json_encode($spec,JSON_UNESCAPED_UNICODE);
+
+        unset($data['spec']);
+        $data['spec_json'] = $spec_json;
+        $data['user_id'] = $request->user->uid;
+        $data['image'] = implode(',',$data['image']);
+
+        // 将OSS直连地址替换为代理地址
+        $ossDomain = 'https://vehicle-album.oss-cn-beijing.aliyuncs.com/';
+        $proxyPath = '/proxy/ossurl?file=';
+
+        $data['desc'] = str_replace(
+            '?Expires=',
+            '&Expires=',
+            $data['desc']
+        );
+        $data['desc'] = str_replace(
+            $ossDomain,
+            $proxyPath,
+            $data['desc']
+        );
+        // 将OSS直连地址替换为代理地址
+        $ossDomain = 'https://oss-cn-beijing.aliyuncs.com/';
+        $proxyPath = '/proxy/ossurl?file=';
+        $data['desc'] = str_replace(
+            $ossDomain,
+            $proxyPath,
+            $data['desc']
+        );
+
+        return $data;
+    }
 
 
     /**