$bundle rake sidekiq /config/sidekiq.yml

这样运行 sidekiq 不能关闭 CLI，也就没法断开 VPS 链接 查到

$bundle exec sidekiq -d （http://stackoverflow.com/questions/14790727/how-to-detach-sidekiq-process-once-started-in-terminal/16263330#16263330）

报出：invalid option: -d，看了下--help 确实没有-d

-q, --queue QUEUE[,WEIGHT]... Queues to process with optional weights -v, --verbose Print more verbose output -e, --environment ENV Application environment -t, --timeout NUM Shutdown timeout -g, --tag TAG Process tag for procline -r, --require [PATH|DIR] Location of Rails application with workers or file to require -c, --concurrency INT processor threads to use -P, --pidfile PATH path to pidfile -C, --config PATH path to YAML config file -V, --version Print version and exit -h, --help Show help