{"code":0,"cost":0,"msg":"获取资源成功","data":{"fileName":"Unit 1.pdf","fileExt":"","url":"https://fltrp-gy.oss-cn-shanghai.aliyuncs.com/bookresource/fltrp/Other/3/3723/634dfe9d0eb89_0/Unit%201.pdf?Expires=1775940891&OSSAccessKeyId=LTAI5t8hVpyYsqXJACqKMLjq&Signature=qPkVU8XZ0ypFssPUkz8%2FPRoRAuk%3D","mimitype":"application/pdf","resourceType":"2"}}