msg: modify by sxchen at 10:42 on 3/10/2013

des: modify by sxchen at 10:42 on 3/10/2013
msg: --modify by sxchen at 10:45 on 3/10/2013--

des: --modify by sxchen at 10:45 on 3/10/2013--
msg roll back
Revert "msg roll back"

This reverts commit f39fc13f13179634ad92ab6328dcc62bc40b1d37.