{"code":0,"cost":0,"msg":"获取资源成功","data":{"fileName":"Unit 4.pptx","fileExt":"","url":"https://fltrp-gy.oss-cn-shanghai.aliyuncs.com/bookresource/fltrp/Other/3/3826/64cca37abb1de_0/Unit%204.pptx?Expires=1775930831&OSSAccessKeyId=LTAI5t8hVpyYsqXJACqKMLjq&Signature=3VwDA0UxcRKIwNVRivqrIiBsN4M%3D","mimitype":"application/zip","resourceType":"2"}}