{"symbol":"HF_XAU","name":"伦敦金（现货黄金）","price":4110.32,"change":-13.18,"change_pct":-0.32,"currency":"USD","exchange":"NYMEX","ts":1783690920,"ts_utc":"2026-07-10T13:42:00Z","source":"sina","input_symbol":"HF_XAU"}