curl --request POST \
  --url https://api.ttapi.io/midjourney/v1/imagine \
  --header 'Content-Type: application/json' \
  --header 'TT-API-KKEY: <api-key>' \
  --data '
{
  "prompt": "一只可爱的猫咪，卡通风格",
  "aspect_ratio": "16:9"
}
'

{
  "code": 200,
  "msg": "success",
  "data": {
    "task_id": "task-123456",
    "status": "success",
    "image_url": "https://xxx.com/image.png"
  }
}