diff --git a/lib/eachTrainInfoCoreLib/findReversalPoints.js b/lib/eachTrainInfoCoreLib/findReversalPoints.js
index 353a75c..5981d75 100644
--- a/lib/eachTrainInfoCoreLib/findReversalPoints.js
+++ b/lib/eachTrainInfoCoreLib/findReversalPoints.js
@@ -17,31 +17,31 @@ export const findReversalPoints = (array, stopStationIDList) => {
         });
         return a;
       });
-      if (index != -1) {
-        return index;
-      }
+      if (index != -1) return index;
     }
     // 駅間の場合
     if (array.length == 2) {
-      
       const allThroughStation = stopStationIDList.map((d) => {
-        if(array[0] == "M12" && array[1] == "Y09" || array[0] == "Y09" && array[1] == "M12"){
-          if(d[0] == "M12"){
-            return true;
-          }
-          else return false;
-        }
-        if (d[0] < array[0] && d[0] > array[1]) {
-          return true;
-        }  else if (d[0] < array[1] && d[0] > array[0]) {
-          return true;
-        }else if (d[0] < array[0] && d[0] == array[1]) {
-          return true;
-        } else if (d[0] == array[1] && d[0] > array[0]) {
-          return true;
-        }
+        if (
+          (array[0] == "M12" && array[1] == "Y09") ||
+          (array[0] == "Y09" && array[1] == "M12")
+        )
+          return d[0] == "M12" ? true : false;
 
-        return false;
+        let returndata = false;
+        d.forEach((x) => {
+          if (array[0] < x && x < array[1]) {
+            returndata = true;
+          } else if (array[0] < x && x == array[1]) {
+            returndata = true;
+          } else if (array[1] == x && x < array[0]) {
+            returndata = true;
+          } else if (array[1] < x && x < array[0]) {
+            returndata = true;
+          }
+        });
+
+        return returndata;
       });
       return allThroughStation;
     }