{"symbol":"HF_XAU","name":"伦敦金（现货黄金）","price":4434.91,"change":28.68,"change_pct":0.651,"currency":"USD","exchange":"NYMEX","ts":1788871320,"ts_utc":"2026-09-08T12:42:00Z","source":"sina","input_symbol":"HF_XAU"}