Fix incorrect issue URL path

Author: neveler

_cn/2019-08-14-speech-at-msc-2019.md

@@ -70,7 +70,7 @@ header:
 
 我对开源项目的其他形式的贡献，也包括了一系列的 Issues。比如
 
-- 安卓系统的 Root 框架 Magisk，我提交了[一个建议](https://github.com/topjohnwu/Magisk/issue/512)来改进它的安装脚本，这个建议随后被采纳
+- 安卓系统的 Root 框架 Magisk，我提交了[一个建议](https://github.com/topjohnwu/Magisk/issues/512)来改进它的安装脚本，这个建议随后被采纳
 - wtfpython，一个收集了各种 Python 语言的有趣细节的文档，我指出了一处错误；
 - BaiduPCS-Go，一个百度网盘的命令行客户端，我反馈了一个 bug；
 - 我还在我熟悉的仓库里开了几个简单的 issue，让更多人能借 [Hacktoberfest](https://hacktoberfest.digitalocean.com) 这个机会来参与开源项目

_home/open-source.md

@@ -28,7 +28,7 @@ toc: true
 
 ### Cloudflare
 
-- Cloudflare Tunnel [Issue #352](https://github.com/cloudflare/cloudflared/issue/352) and [PR #870](https://github.com/cloudflare/cloudflared/pull/870): Add Tunnel CLI option "edge-bind-address"
+- Cloudflare Tunnel [Issue #352](https://github.com/cloudflare/cloudflared/issues/352) and [PR #870](https://github.com/cloudflare/cloudflared/pull/870): Add Tunnel CLI option "edge-bind-address"
 - Cloudflare Docs [PR #9783](https://github.com/cloudflare/cloudflare-docs/pull/9783): Documentation for the above feature
 - Cloudflare Docs [PR #4235](https://github.com/cloudflare/cloudflare-docs/pull/4235): Invalid heading levels
 
@@ -56,7 +56,7 @@ toc: true
 
 ### Material for MkDocs
 
-- [Issue #3644](https://github.com/squidfunk/mkdocs-material/issue/3644) and [PR #3648](https://github.com/squidfunk/mkdocs-material/pull/3648): Admonitions in list items have extra margin-top on Chrome and Edge
+- [Issue #3644](https://github.com/squidfunk/mkdocs-material/issues/3644) and [PR #3648](https://github.com/squidfunk/mkdocs-material/pull/3648): Admonitions in list items have extra margin-top on Chrome and Edge
 - Multiple minor fixes in the documentation:
   [#1561](https://github.com/squidfunk/mkdocs-material/pull/1561),
   [#1580](https://github.com/squidfunk/mkdocs-material/pull/1580),

_posts/2019/2019-08-14-speech-at-msc-2019.md

@@ -68,7 +68,7 @@ From SmokeDetector, I started the expansion of my contribution, and sought out f
 
 In addition to code patches, I also opened a series of decent issues, name a few:
 
-- Magisk, a popular root framework for Android. I submitted [a suggestion](https://github.com/topjohnwu/Magisk/issue/512) to improve its install script, which was accepted later. (#512)
+- Magisk, a popular root framework for Android. I submitted [a suggestion](https://github.com/topjohnwu/Magisk/issues/512) to improve its install script, which was accepted later. (#512)
 - wtfpython, a collection of interesting Python constructs. I pointed out a mistake in the document (#81)
 - BaiduPCS-Go, a command-line client for Baidu Net Disk. I reported a bug. (#402)
 - I also opened a few trivial issues in repositories that I'm familiar with, so that more people could learn them by participating in [Hacktoberfest](https://hacktoberfest.digitalocean.com).