root@armbian:~# docker exec -it [docker名称] ./alist admin set abcd123456
INFO[2024-02-20 11:06:29] reading config file: data/config.json        
INFO[2024-02-20 11:06:29] load config from env with prefix: ALIST_     
INFO[2024-02-20 11:06:29] init logrus...                               
INFO[2024-02-20 11:06:29] admin user has been updated:                 
INFO[2024-02-20 11:06:29] username: admin                              
INFO[2024-02-20 11:06:29] password: abcd123456

docker exec -it [docker名称] ./alist [账号] set [密码]

docker名称不一定是alist，我在创建alist的docker时，起的名字就是alistdocker