Merge pull request #14 from roselone/master

update gui
login valid
Merge pull request #15 from roselone/master

from roselone 3-16
UML
UML-png
Merge pull request #25 from bxl1989/master

UML 3-16
Merge pull request #26 from purejade/master

update GUI
Merge pull request #5 from roselone/master

sys