微软cn.bing背景下载同步壁纸

feature:downloadbackgroudimageofcn.bing.comwebsiteandsetitasyourcurrentdesktopbackgroudusage:ifyouwantrunitjustonce,justexcuterun.batifyouwantmakeitasataskofwindowsos,justrun\task\task_install.batbyadministratorpayattention:thisprogramdependsondirectorystructsothatdon'