# 1. 備份舊的
esentutl /y "C:\Windows\Fonts\EUDC.TTE" /d "$env:USERPROFILE\Desktop\EUDC_backup.TTE"

# 2. 暫時斷開 EUDC 讓系統釋放鎖定
reg delete "HKCU\EUDC\950" /v SystemDefaultEUDCFont /f

Start-Sleep -Seconds 3

# 3. 覆蓋
Copy-Item "$env:USERPROFILE\Desktop\EUDC.TTE" "C:\Windows\Fonts\EUDC.TTE" -Force

# 4. 重新連結
reg add "HKCU\EUDC\950" /v SystemDefaultEUDCFont /t REG_SZ /d "C:\Windows\FONTS\EUDC.TTE" /f

Write-Host "完成，建議登出再登入"