系统清理工具 CCleaner v5.81.8895 Professional Editon 官方绿色版（6.8更新）
CCleaner Professional 5.81.8895 官方版 [2021/06/08]
安装包https://download.ccleaner.com/professional/ccsetup581_pro.exe
便携包https://download.ccleaner.com/portable/ccsetup581.zip