string(177) "https://gpx.ccgp-sichuan.gov.cn/gpx-bid-file/ZF_JGBM_000008/zone/2024/12/15/project/gpx-template/8a69d111989ce7730198a22e0599569d.pdf?accessCode=63f0138f0b6f5190d6abf56f75f712fc"