mermaid安装插件: 使用前需要在 Markdown 文件开头加入: _posts/xxx.md123---mermaid: true--- 演示效果代码示例123graph LRA(Section A) -->|option 1| B(Section A)B -->|option 2| C(Section C) 12345678910gitGraph commit commit branch develop commit commit commit checkout main commit commit https://mermaid.js.org/intro/https://mermaid.js.org/intro/