1、修复几处bug；

2、完善内容管理中的细节功能

app/model/Model.php

@@ -69,19 +69,28 @@ class Model extends \think\Model{
 	}
 
 	protected static function onAfterUpdate($data){
+		$data = $data->toArray();
 		if (isset($data['attribute_sort']) && $data['attribute_sort']) {
 			$attribute_sort = json_decode($data['attribute_sort'], true);
 
 			$attr = [];
 			if (!empty($attribute_sort)) {
 				foreach ($attribute_sort as $key => $value) {
+					$attr[$key] = Attribute::where('id', 'IN', $value)->column('*', 'id');
 					foreach ($value as $k => $v) {
-						$attr[] = ['id' => $v, 'group_id' => $key, 'sort' => $k];
+						$attr[$key][$v]['group'] = $key;
+						$attr[$key][$v]['sort'] = $k;
 					}
 				}
 			}
+			$save = [];
+			foreach($attr as $value){
+				if(!empty($value)){
+					$save = array_merge($save, $value);
+				}
+			}
 			if (!empty($attr)) {
-				(new Attribute())->saveAll($attr);
+				(new Attribute())->saveAll($save);
 			}
 		}
 		return true;