const response = await fetch(
  '/v1/svgs/generations',
  {
    method: 'POST',
    headers: {
      'Authorization': 'Bearer <token>',
      'Content-Type':  'application/json'
    },
    body: JSON.stringify({
      model:  'dlm-svg-1',
      prompt: '生成一个独角兽图标',
      stream: false
    })
  }
);