string(177) "https://gpx.ccgp-sichuan.gov.cn/gpx-bid-file/ZF_JGBM_000008/zone/2024/12/15/project/gpx-template/8a69c9ff988eb3b20198980ac94620d9.pdf?accessCode=06611e3d4d63127b08d1979fd59ad1a5"