文档中记载的返回值与实际情况不符
https://developers.weixin.qq.com/doc/offiaccount/Asset_Management/New_temporary_materials.html
文档中并没有记载 type=thumb 这个情况,属于误导: {
"type": "thumb",
"thumb_media_id": "SfE42Oy3x2SLQzgaXsUuWgl-ZhTFRS5DMWCFLbCmh9RS1gHGSc5-CMMWCWYu7kLN",
"created_at": 1718691181,
"item": []
}