启动服务之后应该启动一个线程来轮询DTU数据，收到数据后直接处理，或放数据缓存，再由其他线程来处理用来定义宏电dtu的工作线程-After the start the service should start a thread to poll the DTU data, received data directly, or put the data cache, and then from the other thread to handle the electricity used to de