[BUG]links mistakes in http-proxy docs (#925)

* fix: http-proxy文章链接错误

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Co-authored-by: gouzixing <gouzixing@MacintoshdeMacBook-Pro.local>
Co-authored-by: gouzixing <gouzixing@bupt.edu.cn>
Co-authored-by: gouzixing <gouzixing>
14 files changed