diff --git a/components/ActionSheetComponents/EachTrainInfo.js b/components/ActionSheetComponents/EachTrainInfo.js
index 380c9d2..74fd454 100644
--- a/components/ActionSheetComponents/EachTrainInfo.js
+++ b/components/ActionSheetComponents/EachTrainInfo.js
@@ -666,7 +666,7 @@ export const EachTrainInfo = ({
                       >
                         <Text style={{ fontSize: 20 }}>{station}</Text>
                         <View style={{ flex: 1 }} />
-                        {points.findIndex((d) => d == index) >= 0 ? (
+                        {points && points.findIndex((d) => d == index) >= 0 ? (
                           <Text
                             style={{
                               fontSize: 20,
diff --git a/components/settings.js b/components/settings.js
index a429308..f33939d 100644
--- a/components/settings.js
+++ b/components/settings.js
@@ -10,12 +10,12 @@ export default function Setting(props) {
   const {
     navigation: { navigate },
   } = props;
-  const [iconSetting, setIconSetting] = useState(undefined);
-  const [mapSwitch, setMapSwitch] = useState(undefined);
-  const [stationMenu, setStationMenu] = useState(undefined);
-  const [usePDFView, setUsePDFView] = useState(undefined);
-  const [trainMenu, setTrainMenu] = useState(undefined);
-  const [trainPosition, setTrainPosition] = useState(undefined);
+  const [iconSetting, setIconSetting] = useState(false);
+  const [mapSwitch, setMapSwitch] = useState(false);
+  const [stationMenu, setStationMenu] = useState(false);
+  const [usePDFView, setUsePDFView] = useState(false);
+  const [trainMenu, setTrainMenu] = useState(false);
+  const [trainPosition, setTrainPosition] = useState(false);
   useEffect(() => {
     AS.getItem("iconSwitch").then(setIconSetting);
     AS.getItem("mapSwitch").then(setMapSwitch);