测试mermaid.md

Features

• Diagram Code

In the Code panel, write or edit Mermaid code, and instantly Preview the rendered result in the diagram panel.

Here is an example of Mermaid code and its rendered result:

graph TD
    A[Enter Chart Definition] --> B(Preview)
    B --> C{decide}
    C --> D[Keep]
    C --> E[Edit Definition]
    E --> B
    D --> F[Save Image and Code]
    F --> B