reader pdf缓存

Hello 最近我是怎么了,

Would you mind sharing more details about the issue you are experiencing? What is the version of the Operating system installed?

What is the version of Adobe Reader installed? To identify, refer to Identify the product and its version for Acrobat and Reader DC

You may refer and try the suggestions from the following Adobe articles Troubleshoot viewing PDF files on the web

Quick fix | View PDFs on Web, Adobe Acrobat Reader

Display PDF in browser Adobe Acrobat, Acrobat Reader

We're here to help, just need more info.

Thanks,

Anand Sri.