mermaid 使用

flowchart LR
  pure-id
  id1[Text1]

图：

graph TD
  A[Christmas] -->|Get money| B(Go shopping)
  B --> C{Let me think}
  C -->|One| D[Laptop]
  C -->|Two| E[iPhone]
  C -->|Three| F[fa:fa-car Car]
  F --> B

graph TD
  init --> initSequenceId
  initSequenceId -->|success| get_seq_id_success
  initSequenceId -->|fail| get_seq_id_fail
  get_seq_id_fail --> init_failed
  get_seq_id_success --> init_ntp_service
  init_ntp_service -->|success| init_ntp_service_success
  init_ntp_service -->|fail| init_ntp_service_failed
  init_ntp_service_success --> init_success
  init_ntp_service_failed --> init_success