tree ba43e195a78ecd1d65287f1e37daa87c2f75bedd
parent a600d9bb4d6483641693014917732909b1fb207e
author pingping-lin <pingping@onlab.us> 1422658359 -0800
committer pingping-lin <pingping@onlab.us> 1422658359 -0800

clean up code