diff --git a/backend/modules/goods/models/ars/Attribute.php b/backend/modules/goods/models/ars/Attribute.php
index ad8870f..269510a 100755
--- a/backend/modules/goods/models/ars/Attribute.php
+++ b/backend/modules/goods/models/ars/Attribute.php
@@ -98,9 +98,12 @@ class Attribute extends \yii\db\ActiveRecord
 
     public function beforeSave($insert)
     {
-        if(!$this->type){
+        if (!$this->type) {
             $this->type = self::TYPE_ATTR;
         }
+        if (!$this->sort_order) {
+            $this->sort_order = "999";
+        }
         return parent::beforeSave($insert); // TODO: Change the autogenerated stub
     }
 
diff --git a/backend/modules/goods/models/ars/Goods.php b/backend/modules/goods/models/ars/Goods.php
index 723b35a..170c31d 100755
--- a/backend/modules/goods/models/ars/Goods.php
+++ b/backend/modules/goods/models/ars/Goods.php
@@ -238,7 +238,7 @@ class Goods extends \yii\db\ActiveRecord
             $this->limit_count = 0;
         }
         if (!$this->sort_order) {
-            $this->sort_order = 999;
+            $this->sort_order = "999";
         }
         return parent::beforeSave($insert); // TODO: Change the autogenerated stub
     }
diff --git a/backend/modules/goods/models/ars/ShopCategory.php b/backend/modules/goods/models/ars/ShopCategory.php
index 3ec719c..0a00e89 100755
--- a/backend/modules/goods/models/ars/ShopCategory.php
+++ b/backend/modules/goods/models/ars/ShopCategory.php
@@ -126,6 +126,9 @@ class ShopCategory extends \yii\db\ActiveRecord
         if ($this->filter_attr != null && is_array($this->filter_attr)) {
             $this->filter_attr = implode(',', $this->filter_attr);
         }
+        if (!$this->sort_order) {
+            $this->sort_order = "999";
+        }
         return parent::beforeSave($insert); // TODO: Change the autogenerated stub
     }
 }