Merge pull request #3 from Ezgo-WordTest/master

Merge master to gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'gh-pages' of github.com:Ezgo-WordTest/Frontend into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Rename main function in grade.js
Merge branch 'gh-pages' of github.com:Ezgo-WordTest/Frontend into gh-pages