diff --git a/src/stores/useWeatherStore.js b/src/stores/useWeatherStore.js
index 15e9fbe..e737c56 100644
--- a/src/stores/useWeatherStore.js
+++ b/src/stores/useWeatherStore.js
@@ -75,7 +75,7 @@ export const useWeatherStore = defineStore('weather', () => {
     const getWeatherInfoWithCache = async () => {
         const now = new Date();
         const pad = n => String(n).padStart(2, '0');
-        const key = `weather_${pad(now.getMonth() + 1)}${pad(now.getDate())}${pad(now.getHours())}${Math.floor(now.getMinutes() / 10) * 10}`;
+        const key = `weather_${pad(now.getMonth() + 1)}${pad(now.getDate())}${pad(now.getHours())}${pad(Math.floor(now.getMinutes() / 10) * 10)}`;
 
         const cached = localStorage.getItem(key);
         if (cached) {