perl locale 错误

perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = “en_CN:en_US:en_GB:en”,
LC_ALL = (unset),
LC_CTYPE = “zh_CN.UTF-8″,
LANG = “en_US.UTF-8″
are supported and installed on your system.
perl: warning: Falling back to the standard locale (”C”).

LANG 设定了en_US.UTF-8 但是LC_ALL 没有设定，

export LC_ALL = “C”

dpkg-reconfigure locales