验证秘钥必须是数字类型

@@ -43,7 +43,8 @@ class Room extends \yii\db\ActiveRecord
             [['title', 'watermark'], 'string', 'max' => 100],
             [['app', 'secret'], 'string', 'max' => 50],
             [['pic', 'background_pic'], 'string', 'max' => 255],
-            [['room_id'], 'integer', 'unique'],
+            [['room_id'], 'unique'],
+            [['room_id'], 'number'],
             [['secret'], 'unique'],
             [['pic', 'background_pic'], 'required'],
         ];