use confctl to edit conf.db
./confctl set --name=url_list --val=http://localhost/downloads.txt
./confctl set --name=dir_save_root --val=/Volumes/SSD2/temp
go build -o ./backupper main.go
./backupper download
./backupper multidownload
use confctl to edit conf.db
./confctl set --name=url_list --val=http://localhost/downloads.txt
./confctl set --name=dir_save_root --val=/Volumes/SSD2/temp
go build -o ./backupper main.go
./backupper download
./backupper multidownload