Just windows has the \\ file path flag set

[tekintian]

Please ensure you adhere to every item in this list.

• The PR title is formatted as follows: os/gtime: fixed time zone issues
  • The package name goes before the colon
  • The part after the colon uses the verb tense + phrase that completes the blank in
  • Lowercase verb after the colon
  • No trailing period
  • Keep the title as short as possible. ideally under 76 characters or shorter
  • Title not Markdown
• If there is a corresponding issue, add either Fixes #1234 or Updates #1234
  (the latter if this is not a complete fix) to this comment
• Delete these instructions once you have read and applied them

提交前请遵守每个事项，感谢！

• PR 标题格式如下：os/gtime: fixed time zone issues
  • 冒号前是包名
  • 冒号后使用动词时态 + 短语
  • 冒号后的动词小写
  • 不要有结尾句号
  • 标题尽量保持简短，最好在 76 个字符或更短
  • 标题不要使用 Markdown
• 如果有对应的 issue，请在此评论中添加 Fixes #1234，如果不是完全修复则添加 Updates #1234
• 应用这些规则后删除所有的说明

[gqcn]

@tekintian Hello, it does the replacement no matter what the GOOS is, as it takes no effect if the system separator is not \.

[tekintian]

@tekintian Hello, it does the replacement no matter what the GOOS is, as it takes no effect if the system separator is not \.

是的，非windows 不会生效! 但是非windows会白白浪费CPU的计算资源来执行一个毫无用处的查找替换 strings.ReplaceAll(goRootForFilter, "\", "/") ， 而且你这个代码每次请求应该都会被执行好多次， 小网站一般没有感觉，如果是大网站，那......

写代码还是要严谨一点好，哈哈！