add url & ed section 2
fixed some spelling error
Merge pull request #36 from Andrwyw/gh-pages

Tracking Movement节初步翻译完成
Merge pull request #37 from zhaochunqi/gh-pages

多线程
Update Readme
commit SUMMARY.md
Merge remote-tracking branch 'upstream/gh-pages' into gh-pages
index翻译初稿

进度33%
sync adapter is finished
Merge pull request #38 from Lin-H/gh-pages

index翻译初稿
Merge pull request #39 from jdneo/gh-pages

sync adapter is finished
modify some translation issues
Merge remote-tracking branch 'upstream/gh-pages' into gh-pages
Merge pull request #40 from jdneo/gh-pages

修改了专业术语的翻译
Update Readme
Update Readme