How can I run it properly?

[zc3945]

(base) [root@VM_0_14_centos tg]# bin/telegram-cli -U root -k tg-server.pub
Telegram-cli version 1.4.1, Copyright (C) 2013-2015 Vitaly Valtman
Telegram-cli comes with ABSOLUTELY NO WARRANTY; for details type `show_license'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show_license' for details.
Telegram-cli uses libtgl version 2.1.0
Telegram-cli includes software developed by the OpenSSL Project
for use in the OpenSSL Toolkit. (http://www.openssl.org/)
I: config dir=[/root/.telegram-cli]
>

(base) [root@VM_0_14_centos tg]# bin/telegram-cli -U root -k tg-server.pub -WR -e "msg @xxx_bot /qd"
Telegram-cli version 1.4.1, Copyright (C) 2013-2015 Vitaly Valtman
Telegram-cli comes with ABSOLUTELY NO WARRANTY; for details type `show_license'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show_license' for details.
Telegram-cli uses libtgl version 2.1.0
Telegram-cli includes software developed by the OpenSSL Project
for use in the OpenSSL Toolkit. (http://www.openssl.org/)
I: config dir=[/root/.telegram-cli]

Without any further hints, I wonder how to operate?