Help: How to change dede's ico icon to another icon

The ico file has been replaced, but it has not changed in the browser. How to solve it

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The ico file has been replaced, but it has not changed in the browser. How to solve it

When dede generates a page, there will be a cache, not only in the browser, but also on the server. Delete the cache on the server, or clear the cache in the background console

Ctrl+F5
In addition, the shortcut key for MacOS is not this

It has nothing to do with server cache, it’s browser cache.
1. Clear browser cache
2. Refresh files