添加英文页面
修改产品详情页面导航
Merge pull request #14 from yuhongjie/beta

修改产品详情页面导航
Merge pull request #13 from liugu/dev

添加英文页面
Merge pull request #15 from yuhongjie/beta

英文界面
Merge pull request #9 from yuhongjie/master

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