The WiFi icon does not display abnormally, but the network is normal. The following is the solution:
Win + R shortcut key to call out the run box, enter %USERPROFILE%\AppData\Local , find the IconCache.db file and delete it, then Ctrl + Alt + . or Ctrl + shift + esc or right mouse button on the taskbar to call up the task manager, Restart the window explorer or explorer.exe, and the icon will be displayed normally! ! !