Prompt:

minimalist illustration with a white background, a boy holding a big pen, and a large ginkgo leaf dripping water on the grass., in clothes, 32k uhd, 16k resolution, ultra hd hdr, ultra hd picture, ultra-high resolution, ultra-high definition --ar 9:16 --v 6.1

简约插图，白色背景，一个男孩手持一支大笔，一片大银杏叶正滴水在草地上，穿着衣服。