string(177) "https://gpx.ccgp-sichuan.gov.cn/gpx-bid-file/ZF_JGBM_000008/zone/2024/12/15/project/gpx-template/8a69c9ff988eb3b20198984af11c4368.pdf?accessCode=e2e9555f82be1d1ce1511fcf6df2dd5e"