更新到 ubuntu 20.04 后出现字符显示问题

Question

  locale 
  LANG=en_US.UTF-8
  LANGUAGE=en_US.UTF-8
  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=en_US.UTF-8

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