As the system administrator of the national examination, Huang Juehong meticulously completes the software installation before the examination, the maintenance during the examination, and the data verification and uploading after the examination every year. In addition to being the administrator of the national examination system, Huang Juehong is a computer teacher in Nan'an Vocational Secondary School, and has successively undertaken the teaching of professional courses such as digital video post-processing, video editing, computer network technology foundation, network operating system, and C language programming@ Nan'an Federation of Trade Unions