diff --git a/components/Apps.js b/components/Apps.js
index f4a7d5f..38a188b 100644
--- a/components/Apps.js
+++ b/components/Apps.js
@@ -28,6 +28,8 @@ import { AppsWebView } from "./Apps/WebView";
 import StatusbarDetect from '../StatusbarDetect';
 var Status = StatusbarDetect(); */
 
+const top = Platform.OS == "ios" ? Constants.statusBarHeight : 0;
+
 export default function Apps() {
   const { webview } = useCurrentTrain();
   const { height, width } = useWindowDimensions();
@@ -52,9 +54,7 @@ export default function Apps() {
   //駅情報画面用
   const [originalStationList, setOriginalStationList] = useState();
   const [trainMenu, setTrainMenu] = useState("true");
-  useEffect(() => {
-    getStationList().then(setOriginalStationList);
-  }, []);
+  useEffect(() => getStationList().then(setOriginalStationList), []);
 
   //地図表示テキスト
   const injectJavascript = injectJavascriptData(
@@ -119,7 +119,7 @@ export default function Apps() {
     <View
       style={{
         height: "100%",
-        paddingTop: Platform.OS == "ios" ? Constants.statusBarHeight : 0,
+        paddingTop: top,
         flexDirection: isLandscape ? "row" : "column",
       }}
       onLayout={handleLayout}
@@ -172,7 +172,6 @@ export default function Apps() {
             setInjectJavaScript("");
             navigate("trainMenu", { webview });
           }}
-          top={Platform.OS == "ios" ? Constants.statusBarHeight : 0}
           mapSwitch={mapSwitch == "true" ? "flex" : "none"}
         />
       )}
@@ -186,13 +185,11 @@ export default function Apps() {
               trainData: undefined,
             });
           }}
-          top={Platform.OS == "ios" ? Constants.statusBarHeight : 0}
         />
       )}
       {mapSwitch == "true" ? (
         <ReloadButton
           onPress={() => Updates.reloadAsync()}
-          top={Platform.OS == "ios" ? Constants.statusBarHeight : 0}
           right={isLandscape && trainInfo.trainNum ? (width / 100) * 40 : 0}
           LoadError={LoadError}
         />
@@ -207,15 +204,14 @@ export default function Apps() {
     </View>
   );
 }
-
 const NewMenu = ({ webview, LoadError }) => {
   const { width } = useWindowDimensions();
   return (
     <View
       style={{
         position: "absolute",
-        top: Platform.OS == "ios" ? Constants.statusBarHeight : 0,
-        width: width,
+        top,
+        width,
         height: 54,
         backgroundColor: "#0099CC",
         borderColor: "white",
@@ -291,7 +287,7 @@ const NewMenu = ({ webview, LoadError }) => {
     </View>
   );
 };
-const MapsButton = ({ onPress, top, mapSwitch }) => {
+const MapsButton = ({ onPress, mapSwitch }) => {
   const styles = {
     touch: {
       position: "absolute",
@@ -328,11 +324,10 @@ const MapsButton = ({ onPress, top, mapSwitch }) => {
   );
 };
 
-const LandscapeBackButton = ({ onPress, top }) => {
+const LandscapeBackButton = ({ onPress }) => {
   const styles = {
     touch: {
       position: "absolute",
-      top,
       left: 10,
       width: 50,
       height: 50,
@@ -364,13 +359,7 @@ const LandscapeBackButton = ({ onPress, top }) => {
   );
 };
 
-const ReloadButton = ({
-  onPress,
-  top,
-  mapSwitch,
-  LoadError = false,
-  right,
-}) => {
+const ReloadButton = ({ onPress, mapSwitch, LoadError = false, right }) => {
   const styles = {
     touch: {
       position: "absolute",
diff --git a/components/Apps/WebView.jsx b/components/Apps/WebView.jsx
index f080ed1..1a5469f 100644
--- a/components/Apps/WebView.jsx
+++ b/components/Apps/WebView.jsx
@@ -27,23 +27,21 @@ export const AppsWebView = ({
   var urlcache = "";
   let once = false;
 
-  const onNavigationStateChange = (event) => {
-    if (event.url != urlcache) {
-      //URL二重判定回避
-      urlcache = event.url;
-
-      if (event.url.includes("https://train.jr-shikoku.co.jp/usage.htm")) {
-        if (Platform.OS === "android") navigate("howto", { info: event.url });
+  const onNavigationStateChange = ({ url }) => {
+    if (url == urlcache) return;
+    //URL二重判定回避
+    urlcache = url;
+    switch (true) {
+      case url.includes("https://train.jr-shikoku.co.jp/usage.htm"):
+        if (Platform.OS === "android") navigate("howto", { info: url });
         webview?.current.goBack();
         //Actions.howto();
-      } else if (
-        event.url.includes("https://train.jr-shikoku.co.jp/train.html")
-      ) {
-        //Actions.trainbase({info: event.url});
-        if (Platform.OS === "android")
-          navigate("trainbase", { info: event.url });
+        break;
+      case url.includes("https://train.jr-shikoku.co.jp/train.html"):
+        //Actions.trainbase({info: url});
+        if (Platform.OS === "android") navigate("trainbase", { info: url });
         webview?.current.goBack();
-      }
+        break;
     }
   };
 
@@ -65,11 +63,8 @@ export const AppsWebView = ({
       }
       case "PopUpMenu":
         {
-          const selectedStationPDFAddress = dataSet.pdf;
           const findStationEachLine = (selectLine) =>
-            selectLine.filter(
-              (d) => d.StationTimeTable == selectedStationPDFAddress
-            );
+            selectLine.filter((d) => d.StationTimeTable == dataSet.pdf);
           let returnDataBase = lineList
             .map((d) => findStationEachLine(originalStationList[d]))
             .filter((d) => d.length > 0)
@@ -85,9 +80,7 @@ export const AppsWebView = ({
               navigate: navigate,
               goTo: "Apps",
               useShow: () =>
-                SheetManager.show("StationDetailView", {
-                  payload,
-                }),
+                SheetManager.show("StationDetailView", { payload }),
               onExit: () => SheetManager.hide("StationDetailView"),
             };
             SheetManager.show("StationDetailView", { payload });
@@ -107,17 +100,12 @@ export const AppsWebView = ({
         }); //遅延情報は未実装
         if (isLandscape) return;
         const payload = {
-          data: {
-            trainNum,
-            limited,
-          },
+          data: { trainNum, limited },
           navigate,
           originalStationList,
           openStationACFromEachTrainInfo,
         };
-        SheetManager.show("EachTrainInfo", {
-          payload,
-        });
+        SheetManager.show("EachTrainInfo", { payload });
         return;
       }
       case "currentLines": {
@@ -136,22 +124,21 @@ export const AppsWebView = ({
   const onLoadEnd = () => {
     if (once) return () => {};
     if (!stationData) return () => {};
-    if (favoriteStation.length > 0) {
-      const getStationLine = (now) => {
-        const returnData = Object.keys(stationData).filter((d) => {
-          const cache = stationData[d].findIndex(
-            (data) => data.Station_JP == now.Station_JP
-          );
-          return cache != -1;
-        });
-        return returnData[0];
-      };
-      const lineName = getStationLine(favoriteStation[0][0]);
-      webview.current?.injectJavaScript(
-        `MoveDisplayStation('${lineName}_${favoriteStation[0][0].MyStation}_${favoriteStation[0][0].Station_JP}')`
-      );
-      once = true;
-    }
+    if (favoriteStation.length < 1) return () => {};
+    const getStationLine = (now) => {
+      const returnData = Object.keys(stationData).filter((d) => {
+        const cache = stationData[d].findIndex(
+          (data) => data.Station_JP == now.Station_JP
+        );
+        return cache != -1;
+      });
+      return returnData[0];
+    };
+    const lineName = getStationLine(favoriteStation[0][0]);
+    webview.current?.injectJavaScript(
+      `MoveDisplayStation('${lineName}_${favoriteStation[0][0].MyStation}_${favoriteStation[0][0].Station_JP}')`
+    );
+    once = true;
   };
 
   return (