我是标题```mermaid graph TD Start --> Stop ``` ```mermaid stateD

graph TD
Start --> Stop

stateDiagram-v2
[*] --> Still
Still --> [*]

Still --> Moving
Moving --> Still
Moving --> Crash
Crash --> [*]

gantt
title A Gantt Diagram
dateFormat  YYYY-MM-DD
section Section
A task           :a1, 2014-01-01, 30d
Another task     :after a1  , 20d
section Another
Task in sec      :2014-01-12  , 12d
another task      : 24d

erDiagram
CUSTOMER ||--o{ ORDER : places
ORDER ||--|{ LINE-ITEM : contains
CUSTOMER }|..|{ DELIVERY-ADDRESS : uses