code: public void execute(@Param("clusterId") Long clusterId, Context context, Navigator nav) throws Exception {
          AutoKeeperCluster autoKeeperCluster = autoKeeperClusterService.findAutoKeeperClusterById(clusterId);
  
          context.put("autoKeeperCluster", autoKeeperCluster);
      }
docs: 找到单个Channel，用于编辑Channel信息界面加载信息
  
  @param channelId
  @param context
  @throws WebxException