Merge pull request #30 from RubyLouvre/master

merge from RubyLouvre/onionui
修正dropdown与scrollbar结合的样式
修改弹层的显示
Merge pull request #31 from RubyLouvre/master

merge from RubyLouvre/onionui
Merge pull request #104 from ilife5/master

修改弹层显示相关代码