After you finish coding for the Hello World, it can only support English by default.
完成Hello World代码的编写后，默认情况下只支持英语。
Admittedly, this tiny application is only slightly more useful than Hello World, but it demonstrates all that's required to cooperate with Varnish and other reverse proxies.
诚然，这个小应用程序只是比Hello World稍微有用一点，但是它却演示了与Varnish和其他反向代理协作所需的全部操作。
Since the hello world example only has a single page, this file is empty here.
因为hello world示例只有一个简单的页面，因此该文档是空的。
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