06-22 16:28:19 - helloword] The connection to adb is down, and a severe error has occured.
[2015-06-22 16:28:19 - helloword] You must restart adb and Eclipse.
[2015-06-22 16:28:19 - helloword] Please ensure that adb is correctly located at 'F:\路恒\安卓\adt-bundle-windows-x86-20140702\adt-bundle-windows-x86-20140702\sdk\platform-tools\adb.exe' and can be executed.

是啥意思、？