you-get 下载视频的一个问题

you-get 下载YouTube视频时，最近突然会出现一个问题
问题提示如下：

root@ubuntu-512mb-sgp1-01:~# you-get https://www.youtube.com/watch?v=AINrxEjflaM&index=2&list=PLXO45tsB95cJYKCSATwh1M4n8cUnUv6lT
[1] 12406
[2] 12407
root@ubuntu-512mb-sgp1-01:~# site:                YouTube
stream:
    - itag:          43
      container:     webm
      quality:       medium
      size:          11.7 MiB (12305670 bytes)
    # download-with: you-get --itag=43 [URL]

you-get: [error] oops, the current environment does not seem to support Unicode.
you-get: please set it to a UTF-8-aware locale first,
you-get: so as to save the video (with some Unicode characters) correctly.
you-get: you can do it like this:
you-get:     (Windows)    % chcp 65001 
you-get:     (Linux)      $ LC_CTYPE=en_US.UTF-8

解决方法：

root@ubuntu-512mb-sgp1-01:~# LC_CTYPE=en_US.UTF-8
root@ubuntu-512mb-sgp1-01:~# you-get https://www.youtube.com/watch?v=AINrxEjflaM&index=2&list=PLXO45tsB95cJYKCSATwh1M4n8cUnUv6lT
[1] 12415
[2] 12416
root@ubuntu-512mb-sgp1-01:~# site:                YouTube
title:               强化学习方法汇总 (Reinforcement Learning)
stream:
    - itag:          43
      container:     webm
      quality:       medium
      size:          11.7 MiB (12305670 bytes)
    # download-with: you-get --itag=43 [URL]

Downloading 强化学习方法汇总 (Reinforcement Learning).webm ...