diff --git a/src/main/java/pers/xanadu/enderdragon/config/FileUpdater.java b/src/main/java/pers/xanadu/enderdragon/config/FileUpdater.java
index c76d38b..b01c985 100644
--- a/src/main/java/pers/xanadu/enderdragon/config/FileUpdater.java
+++ b/src/main/java/pers/xanadu/enderdragon/config/FileUpdater.java
@@ -1,10 +1,49 @@
 package pers.xanadu.enderdragon.config;
 
+import org.bukkit.configuration.file.FileConfiguration;
+import org.bukkit.configuration.file.YamlConfiguration;
+
 import java.io.*;
 
+import static pers.xanadu.enderdragon.EnderDragon.plugin;
+
 public class FileUpdater {
     public static void update() throws IOException {
-        Lang.warn("Nothing to update.");
+        boolean updated = false;
+        File folder = new File(plugin.getDataFolder(),"setting");
+        if(folder.exists()){
+            File[] files = folder.listFiles();
+            if(files != null){
+                for(File file : files){
+                    FileConfiguration config = YamlConfiguration.loadConfiguration(file);
+                    String ver = config.getString("version");
+                    if(!"2.4.0".equals(ver)) {
+                        Lang.error("The version of setting/"+file.getName()+" is not supported!");
+                        continue;
+                    }
+                    updated = true;
+                    String name = file.getName();
+                    Config.copyFile("setting/"+name,"new/setting/"+name,true);
+                }
+                File new_folder = new File(plugin.getDataFolder(),"new/setting/");
+                files = new_folder.listFiles();
+                if(files != null){
+                    for(File file : files){
+                        FileConfiguration fc = YamlConfiguration.loadConfiguration(file);
+                        fc.set("version","2.5.4");
+                        fc.set("bossbar.create_fog",fc.getBoolean("bossbar.create_frog"));
+                        fc.set("bossbar.create_frog",null);
+                        fc.save(file);
+                    }
+                }
+            }
+        }
+        if (updated){
+            Lang.info("New config files are generated in plugins/EnderDragon/new.");
+            Lang.warn("Attention: Please confirm the accuracy before using new config!");
+        }
+        else {
+            Lang.warn("Nothing to update!");
+        }
     }
-
 }
diff --git a/src/main/resources/plugin.yml b/src/main/resources/plugin.yml
index 7c8293e..787b463 100644
--- a/src/main/resources/plugin.yml
+++ b/src/main/resources/plugin.yml
@@ -1,5 +1,5 @@
 name: EnderDragon
-version: 2.5.3
+version: 2.5.4
 main: pers.xanadu.enderdragon.EnderDragon
 author: Xanadu13
 api-version: 1.13