diff --git a/src/main/java/icu/samnyan/aqua/sega/chunithm/handler/impl/GetUserCourseHandler.java b/src/main/java/icu/samnyan/aqua/sega/chunithm/handler/impl/GetUserCourseHandler.java
index efe65bda..fa1edd9a 100644
--- a/src/main/java/icu/samnyan/aqua/sega/chunithm/handler/impl/GetUserCourseHandler.java
+++ b/src/main/java/icu/samnyan/aqua/sega/chunithm/handler/impl/GetUserCourseHandler.java
@@ -12,6 +12,7 @@ import org.springframework.data.domain.Page;
 import org.springframework.stereotype.Component;
 
 import java.util.LinkedHashMap;
+import java.util.List;
 import java.util.Map;
 
 /**
@@ -36,20 +37,27 @@ public class GetUserCourseHandler implements BaseHandler {
     public String handle(Map<String, Object> request) throws JsonProcessingException {
         String userId = (String) request.get("userId");
 
-        int nextIndex = Integer.parseInt((String) request.get("nextIndex"));
-        int maxCount = Integer.parseInt((String) request.get("maxCount"));
-
-        int pageNum = nextIndex / maxCount;
-
-        Page<UserCourse> dbPage = userCourseService.getByUser(userId, pageNum, maxCount);
-
-        long currentIndex = maxCount * pageNum + dbPage.getNumberOfElements();
-
         Map<String, Object> resultMap = new LinkedHashMap<>();
         resultMap.put("userId", userId);
-        resultMap.put("length", dbPage.getNumberOfElements());
-        resultMap.put("nextIndex", dbPage.getNumberOfElements() < maxCount ? -1 : currentIndex);
-        resultMap.put("userCourseList", dbPage.getContent());
+
+        if(request.containsKey("nextIndex")) {
+            int nextIndex = Integer.parseInt((String) request.get("nextIndex"));
+            int maxCount = Integer.parseInt((String) request.get("maxCount"));
+
+            int pageNum = nextIndex / maxCount;
+
+            Page<UserCourse> dbPage = userCourseService.getByUser(userId, pageNum, maxCount);
+
+            long currentIndex = maxCount * pageNum + dbPage.getNumberOfElements();
+
+            resultMap.put("length", dbPage.getNumberOfElements());
+            resultMap.put("nextIndex", dbPage.getNumberOfElements() < maxCount ? -1 : currentIndex);
+            resultMap.put("userCourseList", dbPage.getContent());
+        } else {
+            List<UserCourse> courseList = userCourseService.getAllByUser(userId);
+            resultMap.put("length", courseList.size());
+            resultMap.put("userCourseList", courseList);
+        }
 
         String json = mapper.write(resultMap);
         logger.info("Response: " + json);
diff --git a/src/main/java/icu/samnyan/aqua/sega/chunithm/handler/impl/GetUserDataHandler.java b/src/main/java/icu/samnyan/aqua/sega/chunithm/handler/impl/GetUserDataHandler.java
index cc1f9e56..b8c17d45 100644
--- a/src/main/java/icu/samnyan/aqua/sega/chunithm/handler/impl/GetUserDataHandler.java
+++ b/src/main/java/icu/samnyan/aqua/sega/chunithm/handler/impl/GetUserDataHandler.java
@@ -8,6 +8,7 @@ import icu.samnyan.aqua.sega.util.jackson.StringMapper;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
 
 import java.util.LinkedHashMap;
@@ -26,10 +27,22 @@ public class GetUserDataHandler implements BaseHandler {
 
     private final UserDataService userDataService;
 
+    private final boolean overwriteVersion;
+    private final String romVersion;
+    private final String dataVersion;
+
     @Autowired
-    public GetUserDataHandler(StringMapper mapper, UserDataService userDataService) {
+    public GetUserDataHandler(StringMapper mapper,
+                              UserDataService userDataService,
+                              @Value("${game.chunithm.overwrite-version}") boolean overwriteVersion,
+                              @Value("${game.chunithm.rom-version}") String romVersion,
+                              @Value("${game.chunithm.data-version}") String dataVersion
+    ) {
         this.mapper = mapper;
         this.userDataService = userDataService;
+        this.overwriteVersion = overwriteVersion;
+        this.romVersion = romVersion;
+        this.dataVersion = dataVersion;
     }
 
     @Override
@@ -40,7 +53,13 @@ public class GetUserDataHandler implements BaseHandler {
         if (userDataOptional.isPresent()) {
             Map<String, Object> resultMap = new LinkedHashMap<>();
             resultMap.put("userId", userId);
-            resultMap.put("userData", userDataOptional.get());
+            UserData user = userDataOptional.get();
+
+            if (overwriteVersion) {
+                user.setLastRomVersion(romVersion);
+                user.setLastDataVersion(dataVersion);
+            }
+            resultMap.put("userData", user);
             String json = mapper.write(resultMap);
             logger.info("Response: " + json);
             return json;
diff --git a/src/main/java/icu/samnyan/aqua/sega/chunithm/handler/impl/GetUserPreviewHandler.java b/src/main/java/icu/samnyan/aqua/sega/chunithm/handler/impl/GetUserPreviewHandler.java
index cb159d31..1def9cfe 100644
--- a/src/main/java/icu/samnyan/aqua/sega/chunithm/handler/impl/GetUserPreviewHandler.java
+++ b/src/main/java/icu/samnyan/aqua/sega/chunithm/handler/impl/GetUserPreviewHandler.java
@@ -13,6 +13,7 @@ import icu.samnyan.aqua.sega.util.jackson.StringMapper;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
 
 import java.util.Map;
@@ -36,18 +37,33 @@ public class GetUserPreviewHandler implements BaseHandler {
     private final UserCharacterService userCharacterService;
     private final UserGameOptionService userGameOptionService;
 
+    private final boolean overwriteVersion;
+    private final String romVersion;
+    private final String dataVersion;
+
     @Autowired
-    public GetUserPreviewHandler(StringMapper mapper, UserDataService userDataService, UserCharacterService userCharacterService, UserGameOptionService userGameOptionService) {
+    public GetUserPreviewHandler(StringMapper mapper,
+                                 UserDataService userDataService,
+                                 UserCharacterService userCharacterService,
+                                 UserGameOptionService userGameOptionService,
+                                 @Value("${game.chunithm.overwrite-version}") boolean overwriteVersion,
+                                 @Value("${game.chunithm.rom-version}") String romVersion,
+                                 @Value("${game.chunithm.data-version}") String dataVersion
+    ) {
         this.mapper = mapper;
         this.userDataService = userDataService;
         this.userCharacterService = userCharacterService;
         this.userGameOptionService = userGameOptionService;
+        this.overwriteVersion = overwriteVersion;
+        this.romVersion = romVersion;
+        this.dataVersion = dataVersion;
     }
 
     @Override
     public String handle(Map<String, Object> request) throws JsonProcessingException {
         String userId = (String) request.get("userId");
 
+
         Optional<UserData> userData = userDataService.getUserByExtId(userId);
 
         if (userData.isEmpty()) {
@@ -67,8 +83,14 @@ public class GetUserPreviewHandler implements BaseHandler {
         resp.setExp(user.getExp());
         resp.setPlayerRating(user.getPlayerRating());
         resp.setLastGameId(user.getLastGameId());
+
         resp.setLastRomVersion(user.getLastRomVersion());
         resp.setLastDataVersion(user.getLastDataVersion());
+
+        if (overwriteVersion) {
+            resp.setLastRomVersion(romVersion);
+            resp.setLastDataVersion(dataVersion);
+        }
         resp.setLastPlayDate(user.getLastPlayDate());
         resp.setTrophyId(user.getTrophyId());
 
diff --git a/src/main/java/icu/samnyan/aqua/sega/chunithm/model/gamedata/GameEvent.java b/src/main/java/icu/samnyan/aqua/sega/chunithm/model/gamedata/GameEvent.java
index 615b7910..26def1aa 100644
--- a/src/main/java/icu/samnyan/aqua/sega/chunithm/model/gamedata/GameEvent.java
+++ b/src/main/java/icu/samnyan/aqua/sega/chunithm/model/gamedata/GameEvent.java
@@ -1,5 +1,6 @@
 package icu.samnyan.aqua.sega.chunithm.model.gamedata;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.NoArgsConstructor;
@@ -31,5 +32,6 @@ public class GameEvent implements Serializable {
 
     private LocalDateTime endDate;
 
+    @JsonIgnore
     private boolean enable;
 }
diff --git a/src/main/java/icu/samnyan/aqua/sega/chunithm/service/UserCourseService.java b/src/main/java/icu/samnyan/aqua/sega/chunithm/service/UserCourseService.java
index 6eed7cb8..b059eed5 100644
--- a/src/main/java/icu/samnyan/aqua/sega/chunithm/service/UserCourseService.java
+++ b/src/main/java/icu/samnyan/aqua/sega/chunithm/service/UserCourseService.java
@@ -45,4 +45,8 @@ public class UserCourseService {
         Pageable page = PageRequest.of(pageNum, maxCount);
         return userCourseRepository.findByUser_Card_ExtId(Integer.parseInt(userId), page);
     }
+
+    public List<UserCourse> getAllByUser(String userId) {
+        return userCourseRepository.findByUser_Card_ExtId(Integer.parseInt(userId));
+    }
 }
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index 685f6179..b254910e 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -28,4 +28,11 @@ spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.SQLiteDialect
 #spring.datasource.password=
 #spring.datasource.url=jdbc:mariadb://localhost:3306/?useSSL=false
 #spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MariaDB10Dialect
+
+## Game setting
+## CHUNITHM
+game.chunithm.overwrite-version=false
+game.chunithm.rom-version=1.30.00
+game.chunithm.data-version=1.30.00
+
 ## You can add any Spring Boot properties below
\ No newline at end of file