Rename hold

@ming6842, check this 
Good! Let's merge. BTW, if you try to merge my code, please ensure the part of implementation(https://github.com/moon-bear/firmware/commit/7c3fc85e94dab5b36910d10f2e101d4070baf081) and @shengwen1997 structure(https://github.com/moon-bear/firmware/commit/5b113b399042ad70ac4f1cf86d794149af80a97d).