diff --git a/components/ActionSheetComponents/EachTrainInfo.js b/components/ActionSheetComponents/EachTrainInfo.js
index 4c81861..becdb0e 100644
--- a/components/ActionSheetComponents/EachTrainInfo.js
+++ b/components/ActionSheetComponents/EachTrainInfo.js
@@ -40,7 +40,6 @@ export const EachTrainInfo = (props) => {
   } = props.payload;
   const [trainData, setTrainData] = useState([]);
   const [currentPosition, setCurrentPosition] = useState([]);
-
   const [trainPositionSwitch, setTrainPositionSwitch] = useState("false");
 
   const { currentTrain } = useCurrentTrain();
@@ -81,22 +80,22 @@ export const EachTrainInfo = (props) => {
     const mainTrainStationPosition = trainData.findIndex(
       (d) => d.split(",")[0] == stationInfo
     );
-    const relationMain =
-      mainTrainStationPosition == 0
-        ? "head"
-        : mainTrainStationPosition == trainData.length - 1
-        ? "tail"
-        : "middle";
+
+    const relationMain = (() => {
+      if (mainTrainStationPosition == 0) return "head";
+      if (mainTrainStationPosition == trainData.length - 1) return "tail";
+      return "middle";
+    })();
 
     const subTrainStationPosition = showNearTrain.findIndex(
       (d) => d.split(",")[0] == stationInfo
     );
-    const relationSub =
-      subTrainStationPosition == 0
-        ? "head"
-        : subTrainStationPosition == showNearTrain.length - 1
-        ? "tail"
-        : "middle";
+    const relationSub = (() => {
+      if (subTrainStationPosition == 0) return "head";
+      if (subTrainStationPosition == showNearTrain.length - 1) return "tail";
+      return "middle";
+    })();
+
     switch (relationMain) {
       case "head":
         if (relationSub == "head") {