docs: @Override
      public void onMessage(String channel, String message) {
          LoglevelCommand loglevelCommand = Json.fromJson(LoglevelCommand.class, message);
          //通过实例名称更改日志等级 或 通过进程ID更改日志等级
          if (("name".equals(loglevelCommand.getAction())
                  && Strings.sNull(loglevelCommand.getName()).equals(loglevelProperty.getName())) ||
                  ("processId".equals(loglevelCommand.getAction()) && Strings.sNull(loglevelCommand.getProcessId()).equals(loglevelProperty.getProcessId()))) {
              //更改之前
              System.out.println("logback loglevel change start.");
              testLevel();
              if (Strings.isNotBlank(loglevelCommand.getLevel())) {
                  setLevel(loglevelCommand.getLevel());
                  saveToRedis();
              }
              System.out.println("----------------------------");
              //更改之后
              testLevel();
              System.out.println("logback loglevel change end.");
          }
      }