app启动的时候，删除三天以前的日志；打印CMD命令，以十六进制打印

lizhanwei

2020-01-15 5ac1ba281daa37803ea5986bc24c3482f9bbd543

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
  <component name="VcsDirectoryMappings">
    <mapping directory="" vcs="Git" />
  </component>
</project>