{"code":0,"cost":0,"msg":"获取资源成功","data":{"fileName":"unit4.rar","fileExt":"","url":"https://fltrp-gy.oss-cn-shanghai.aliyuncs.com/bookresource/fltrp/Other/3/2946/5afd27029aee1_0/unit4.rar?Expires=1790624409&OSSAccessKeyId=LTAI5t8hVpyYsqXJACqKMLjq&Signature=hIxI%2B0h%2Fkgh%2BjDMi%2BbGo1MLF%2BAM%3D","mimitype":"application/x-rar","resourceType":"2"}}