cache自動建檔

檢查cache裡如果沒有檔案，自動建立
exec判斷windows
Revert "exec判斷windows"

This reverts commit 81f433857083327ec954a720eb8c9e020777dbdd.
Revert "Revert "exec判斷windows""

This reverts commit 41bf72663091e70911ef8c34b8126d9d8b26210c.
prev_uptd自動建檔