Describe the bug
根目录 /tmp 文件夹下大量缓存无法及时清除，占用大量硬盘空间
To Reproduce
none
Expected behavior
启动webpgo后，正常使用一至两天， /tmp 目录即可产生大量缓存文件。
Screenshots and logs
Environment (please complete the following information):
- OS: Linux
- version: master
Additional context
none
Describe the bug
根目录
/tmp文件夹下大量缓存无法及时清除，占用大量硬盘空间To Reproduce
none
Expected behavior
启动webpgo后，正常使用一至两天，
/tmp目录即可产生大量缓存文件。Screenshots and logs
Environment (please complete the following information):
Additional context
none