Idea External libraries不显示问题

Idea 配置文件路径
C:\Users\76193.IntelliJIdea2018.2\config\options\projectView.xml
中showLibraryContents 设置为 true

<application>
  <component name="ProjectViewSharedSettings">
    <option name="abbreviatePackages" value="true" />
    <option name="showLibraryContents" value="true" />
    <option name="showMembers" value="true" />
    <option name="showModules" value="true" />
  </component>
</application>