ta && 
                weatherCache.lastUpdate && 
                (now - weatherCache.lastUpdate < weatherCache.cacheTime)) {
                console.log('‰ΩøÁî®ÁºìÂ≠òÁöÑÂ§©Ê∞îÊï∞ÊçÆ');
                return weatherCache.data;
            }

            async function tryFetch(keyIndex) {
                const key = WEATHER_API.keys[keyIndex];
                
                if (WEATHER_API.lastFailTime[key] && 
                    (now - WEATHER_API.lastFailTime[key] < WEA