docs: public void secondScan() throws Exception {
  
          // 开启disconf才需要处理回调
          if (DisClientConfig.getInstance().ENABLE_DISCONF) {
  
              if (scanModel == null) {
                  synchronized(scanModel) {
                      // 下载模块必须先初始化
                      if (scanModel == null) {
                          throw new Exception("You should run first scan before second Scan");
                      }
                  }
              }
  
              // 将回调函数实例化并写入仓库
              ScanDynamicStoreAdapter.scanUpdateCallbacks(scanModel, registry);
          }
      }