Work WorkDef的类整理

Signed-off-by: ghuazh <ghuazh@gmail.com>
WBS显示

Signed-off-by: ghuazh <ghuazh@gmail.com>
整理Work和WorkDef类

Signed-off-by: ghuazh <ghuazh@gmail.com>


Signed-off-by: ghuazh <ghuazh@gmail.com>