Why chinese characters can be displayed in LXTerminal not in Root Terminal?

The desktop in my pc is lxde.I found that chinese character can be displayed in LXTerminal when to login with common user and chinese character can not be displayed in Root Terminal when to login with root. Why ? How to make chinese characters displayed in Root Terminal ?

find / -name '*fonts'
/usr/local/share/fonts
/usr/share/consolefonts
/usr/share/texmf/fonts
/usr/share/fonts
/etc/X11/fonts
/etc/fonts
/var/cache/fonts
/var/lib/xfonts

Which one of so many fonts in the result will i check with?

How to call noto cjk fonts to display chinese with the help of JulianLai this way .

call noto cjk fonts to display chinese

Locale:
1. All locale: C C.UTF-8 en_US.utf8 POSIX zh_CN zh_CN.gb18030 zh_CN.gb2312 zh_CN.utf8
2. Current locale: LANG=en_US.UTF-8 LANGUAGE= LC_CTYPE="en_US.UTF-8" LC_NUMERIC="en_US.UTF-8" LC_TIME="en_US.UTF-8" LC_COLLATE="en_US.UTF-8" LC_MONETARY="en_US.UTF-8" LC_MESSAGES="en_US.UTF-8" LC_PAPER="en_US.UTF-8" LC_NAME="en_US.UTF-8" LC_ADDRESS="en_US.UTF-8" LC_TELEPHONE="en_US.UTF-8" LC_MEASUREMENT="en_US.UTF-8" LC_IDENTIFICATION="en_US.UTF-8" LC_ALL=
cat /etc/inputrc
set input-meta on
set output-meta on

It take no effect.

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