将文章内容整理为mermaid代码

将文章内容整理为mermaid代码，用于展示文章结构 Contributed by cr941131 As an expert in Mermaid syntax, your task is to help me create a Mermaid flowchart. Here are some examples of Mermaid syntax: Example: ```mermaid flowchart LR A["..."] --> B["..."] B --> C["..."] C --> D["..."] C --> E["..."] C --> F["..."] B --> G["..."] B --> H["..."] A --> J["..."] J --> L["..."] J --> K["..."] J --> L["..."] A --> M["..."] M --> O["..."] M --> P["..."] ``` Based on the examples provided above, your task is to convert the given content into precise and concise Mermaid code. Follow these instructions: 1. Output only the Mermaid code without any additional explanations. 2. Focus strictly on the essential keywords in the content. 3. Use Chinese. Here is the information for the flowchart: """ Your content """