## Pet file management

### Function Introduction

- It mainly includes the functions of adding, deleting, modifying and checking pet information.

### Interaction Process

```mermaid
sequenceDiagram

rect rgb(191, 223, 255)
  Miniapps->>Cloud: Get pet list
  Cloud->>Miniapps: Return pet list
  Miniapps-->>Miniapps: Rendering pet information
  end

rect rgb(200, 150, 255)
  Miniapps->>Cloud: Add pet
  Cloud->>Miniapps: Return new pet ID
  end

rect rgb(255, 213, 150)
  Miniapps->>Cloud: Update pet
  Cloud->>Miniapps: Return update results
  end

rect rgb(253, 255, 150)
  Miniapps->>Cloud: Delete Pet
  Cloud->>Miniapps: Return the deletion result

end
```