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 define the macro dtu work thread