With the release of Edge based on Chromium and Edge WebView2 Runtime by Microsoft, Chromium has been playing an increasingly important role on Windows desktops. In daily work, when a user opens Outlook to send and receive emails, uses Teams for meetings, and browses the web with Edge, there are already three instances of Chromium running simultaneously on the operating system. In a corporate environment, configuring the system to use a PAC (Proxy Auto-Configuration) script can place significant request pressure on the servers hosting the PAC script in today's widespread Chromium ecosystem.