by qianjun;fix scrollspy excute bug
Merge branch 'master' of https://github.com/RubyLouvre/avalon.oniui.git
Merge branch 'master' of https://github.com/RubyLouvre/avalon.oniui.git
Merge pull request #145 from gogoyqj/master

修复scrollspy一个代码执行顺序bug