http.ResponseWriter doesn't implement  WriteCloser interface

The removed code will never be executed, remove it

1，增加QPS的限制
2，增加任务
3，增加healthcheck

so if your web is need auth or release the resoure you can writer the
finish filter

the process exit and the channel info can't flush to console

Update template.go

We can specify "TemplateLeft" and "TemplateRight" but they did not work as these two changes are required.

if have a attack url, the info is

UrlFor(endpoint string, values ...string) string

同时支持全部小写和驼峰写法