chanage sth

doc/api.md

@@ -392,7 +392,8 @@
             "game_multi_btn": "主页上多人赛按钮名字",
             "default_share_pic":"默认分享图",
             "default_share_txt": "默认分享语",
-            "default_desc_txt": "配置的介绍文字"
+            "default_desc_txt": "配置的介绍文字",
+            "music_bg": "后台配置的背景音乐cdn地址"
        }
     }
 ```

src/models/shop/ShopGameExt.ts

@@ -30,6 +30,7 @@ export class ShopGameExtClass extends BaseModule {
    * default_share_pic: 默认的分享图
    * default_share_txt: 默认的分享语
    * default_desc_txt: 默认的介绍文字
+   * music_bg: 默认的背景音乐
    */
   @prop({ type: mongoose.Schema.Types.Mixed })
   public cfg: {}