diff --git a/App.js b/App.js
index ffc9ddf..f03ea13 100644
--- a/App.js
+++ b/App.js
@@ -25,7 +25,7 @@ if (Platform.OS === "android") {
 }
 export default function App() {
   const navigationRef = useRef();
-  useEffect(() => UpdateAsync(), []);
+  useEffect(UpdateAsync, []);
   return (
     <NavigationContainer name="Root" ref={navigationRef} style={{ flex: 1 }}>
       <Tab.Navigator>
diff --git a/components/settings.js b/components/settings.js
index 80d5092..c0cd1a4 100644
--- a/components/settings.js
+++ b/components/settings.js
@@ -14,15 +14,9 @@ export default function Setting(props) {
   const [mapSwitch, setMapSwitch] = useState(undefined);
   const [stationMenu, setStationMenu] = useState(undefined);
   useEffect(() => {
-    AsyncStorage.getItem("iconSwitch").then((d) => {
-      setIconSetting(d);
-    });
-    AsyncStorage.getItem("mapSwitch").then((d) => {
-      setMapSwitch(d);
-    });
-    AsyncStorage.getItem("stationSwitch").then((d) => {
-      setStationMenu(d);
-    });
+    AsyncStorage.getItem("iconSwitch").then(setIconSetting);
+    AsyncStorage.getItem("mapSwitch").then(setMapSwitch);
+    AsyncStorage.getItem("stationSwitch").then(setStationMenu);
   }, []);
   return (
     <View style={{ height: "100%", backgroundColor: "#0099CC" }}>