diff --git a/src/main/java/org/rococy/roomit/util/AutoStartFile.java b/src/main/java/org/rococy/roomit/util/AutoStartFile.java
index 90e119a..852428c 100644
--- a/src/main/java/org/rococy/roomit/util/AutoStartFile.java
+++ b/src/main/java/org/rococy/roomit/util/AutoStartFile.java
@@ -31,8 +31,26 @@ public class AutoStartFile {
 
     private static void generate() {
         try {
-            if (new File(START_UP_FILE_PATH).exists()) {
-                return;
+
+            StringJoiner fileContentJoiner = new StringJoiner("\n");
+            String driveLetter = AUTO_START_EXEC_FILE_PATH.substring(0, 2);
+            fileContentJoiner.add("@echo off");
+            fileContentJoiner.add(driveLetter);
+            fileContentJoiner.add("cd " + ResourceUtils.getResourceByProject(""));
+            fileContentJoiner.add("RoomIt");
+            String fileContent = fileContentJoiner.toString();
+
+            File startUpFile = new File(START_UP_FILE_PATH);
+
+            if (startUpFile.exists()) {
+                FileInputStream is = new FileInputStream(startUpFile);
+                boolean isSame = new String(is.readAllBytes()).equals(fileContent);
+
+                is.close();
+
+                if (isSame) {
+                    return;
+                }
             }
 
             File file = new File(BAT_FILE_PATH);
@@ -43,12 +61,6 @@ public class AutoStartFile {
 
             FileWriter fos = new FileWriter(file);
 
-            StringJoiner fileContentJoiner = new StringJoiner("\n");
-            String driveLetter = AUTO_START_EXEC_FILE_PATH.substring(0, 2);
-            fileContentJoiner.add("@echo off");
-            fileContentJoiner.add(driveLetter);
-            fileContentJoiner.add("cd " + ResourceUtils.getResourceByProject(""));
-            fileContentJoiner.add("RoomIt");
 
             fos.write(fileContentJoiner.toString());
             fos.flush();