string(177) "https://gpx.ccgp-sichuan.gov.cn/gpx-bid-file/ZF_JGBM_000008/zone/2024/12/15/project/gpx-template/8a69c9ff988eb3b2019897e8c94a4ae9.pdf?accessCode=3bbcb2218fa259a219ea358f2f18fa18"