string(177) "https://gpx.ccgp-sichuan.gov.cn/gpx-bid-file/ZF_JGBM_000008/zone/2024/12/15/project/gpx-template/8a69f739988eb3d70198982d813c7fa3.pdf?accessCode=174bcbff94a63dbccbc5d0102da34841"