Auto fill cookies for those OJ which can submit problems on VJ by using their cookies.
目前為 2025-05-22 提交的版本，檢視 最新版本。
這裡只顯示彼此間有代碼差異的版本。 顯示所有版本。
Fix if fail to login in OJ and then focus back to VJ, login page will popup again (and again).
update README.md
