Creating a new branch is quick

Signed-off-by: Sunning <shanyg@live.com>
and simple

Signed-off-by: Sunning <shanyg@live.com>
master simple

Signed-off-by: Sunning <shanyg@live.com>
jiejueyouhebing

Signed-off-by: Sunning <shanyg@live.com>