diff --git a/vendor/antgoods/goods/src/migrations/m191130_004933_add_column_cat_id_in_table_antgoods_attribute.php b/vendor/antgoods/goods/src/migrations/m191130_004933_add_column_cat_id_in_table_antgoods_attribute.php
new file mode 100644
index 0000000..f7992f5
--- /dev/null
+++ b/vendor/antgoods/goods/src/migrations/m191130_004933_add_column_cat_id_in_table_antgoods_attribute.php
@@ -0,0 +1,20 @@
+<?php
+
+use yii\db\Migration;
+
+/**
+ * Class m191130_004933_add_column_cat_id_in_table_antgoods_attribute
+ */
+class m191130_004933_add_column_cat_id_in_table_antgoods_attribute extends Migration
+{
+    public function up()
+    {
+        $this->addColumn('antgoods_attribute', 'cat_id', $this->integer(11)->notNull()->defaultValue(0)->comment('后台商品分类id'));
+    }
+
+    public function down()
+    {
+        $this->dropColumn('antgoods_attribute', 'cat_id');
+        return true;
+    }
+}
diff --git a/vendor/antgoods/goods/src/models/ars/Attribute.php b/vendor/antgoods/goods/src/models/ars/Attribute.php
index 84178f2..711b266 100644
--- a/vendor/antgoods/goods/src/models/ars/Attribute.php
+++ b/vendor/antgoods/goods/src/models/ars/Attribute.php
@@ -4,6 +4,7 @@ namespace antgoods\goods\models\ars;
 
 use Yii;
 use yii\behaviors\TimestampBehavior;
+use antgoods\goods\models\ars\Category;
 
 /**
  * This is the model class for table "antgoods_attribute".
@@ -16,6 +17,7 @@ use yii\behaviors\TimestampBehavior;
  * @property int $is_delete 是否删除，1为已删除
  * @property int $created_at 创建时间
  * @property int $updated_at 更新时间
+ * @property int $cat_id 后台商品分类id
  */
 class Attribute extends \yii\db\ActiveRecord
 {
@@ -40,7 +42,7 @@ class Attribute extends \yii\db\ActiveRecord
         return [
             [['name', 'value'], 'required'],
             [['value'], 'string'],
-            [['type', 'sort_order', 'is_delete'], 'integer'],
+            [['type', 'sort_order', 'is_delete', 'cat_id'], 'integer'],
             [['name'], 'string', 'max' => 50],
         ];
     }
@@ -59,6 +61,7 @@ class Attribute extends \yii\db\ActiveRecord
             'is_delete' => '是否删除，1为已删除',
             'created_at' => '创建时间',
             'updated_at' => '更新时间',
+            'cat_id' => '后台商品分类id',
         ];
     }
    
@@ -100,4 +103,9 @@ class Attribute extends \yii\db\ActiveRecord
         }
         return parent::beforeSave($insert); // TODO: Change the autogenerated stub
     }
+
+    public function getCategory()
+    {
+        return $this->hasOne(Category::className(), ['id' => 'cat_id']);
+    }
 }