diff --git a/src/main/java/me/sat7/dynamicshop/DynamicShop.java b/src/main/java/me/sat7/dynamicshop/DynamicShop.java
index f3cd894..7a6b84b 100644
--- a/src/main/java/me/sat7/dynamicshop/DynamicShop.java
+++ b/src/main/java/me/sat7/dynamicshop/DynamicShop.java
@@ -39,7 +39,6 @@
 import java.io.File;
 import java.util.*;
 
-import static me.sat7.dynamicshop.utilities.ConfigUtil.configVersion;
 import static me.sat7.dynamicshop.utilities.LangUtil.t;
 
 public final class DynamicShop extends JavaPlugin implements Listener
@@ -68,10 +67,10 @@ public static String dsPrefix(Player player)
     {
         String temp = dsPrefix_;
 
-        if(plugin.getConfig().getBoolean("UI.UseHexColorCode"))
+        if(ConfigUtil.GetUseHexColorCode())
             temp = LangUtil.TranslateHexColor(temp);
 
-        if(isPapiExist && player != null && plugin.getConfig().getBoolean("UI.UsePlaceholderAPI"))
+        if(isPapiExist && player != null && ConfigUtil.GetUsePlaceholderAPI())
             return PlaceholderAPI.setPlaceholders(player, temp);
 
         return temp;
@@ -316,7 +315,7 @@ private void InitPapi()
 
     public void startSaveLogsTask()
     {
-        if (getConfig().getBoolean("Log.SaveLogs"))
+        if (ConfigUtil.GetSaveLogs())
         {
             if (saveLogsTask != null)
             {
@@ -328,13 +327,15 @@ public void startSaveLogsTask()
 
     public void startCullLogsTask()
     {
-        if (getConfig().getBoolean("Log.CullLogs"))
+        if (ConfigUtil.GetCullLogs())
         {
             if (cullLogsTask != null)
             {
                 cullLogsTask.cancel();
             }
-            cullLogsTask = Bukkit.getScheduler().runTaskTimerAsynchronously(this, LogUtil::cullLogs, 0L, (20L * 60L * (long) getConfig().getInt("Log.LogCullTimeMinutes")));
+            cullLogsTask = Bukkit.getScheduler().runTaskTimerAsynchronously(
+                    this, LogUtil::cullLogs, 0L, (20L * 60L * (long) ConfigUtil.GetLogCullTimeMinutes())
+            );
         }
     }
 
@@ -449,9 +450,9 @@ private void InitConfig()
 
         ShopUtil.Reload();
 
-        ConfigUtil.configSetup(this);
+        ConfigUtil.Load();
 
-        LangUtil.setupLangFile(getConfig().getString("Language"));
+        LangUtil.setupLangFile(ConfigUtil.GetLanguage());
         LayoutUtil.Setup();
 
         setupUserFile();
@@ -462,40 +463,6 @@ private void InitConfig()
 
         QuickSell.quickSellGui = new CustomConfig();
         QuickSell.SetupQuickSellGUIFile();
-
-        ConfigUpdate();
-
-        getConfig().set("Version", configVersion);
-        saveConfig();
-    }
-
-    private void ConfigUpdate()
-    {
-        int userVersion = getConfig().getInt("Version");
-        if (userVersion == 3)
-        {
-            for(Map.Entry<String, CustomConfig> entry : ShopUtil.shopConfigFiles.entrySet())
-            {
-                ConfigurationSection cmdCS = entry.getValue().get().getConfigurationSection("Options.command");
-                if(cmdCS == null)
-                    continue;
-
-                boolean somethingChanged = false;
-                if(cmdCS.contains("sell"))
-                {
-                    cmdCS.set("sell.0", cmdCS.get("sell"));
-                    somethingChanged = true;
-                }
-                if(cmdCS.contains("buy"))
-                {
-                    cmdCS.set("buy.0", cmdCS.get("buy"));
-                    somethingChanged = true;
-                }
-
-                if(somethingChanged)
-                    entry.getValue().save();
-            }
-        }
     }
 
     private void setupUserFile()
@@ -503,7 +470,7 @@ private void setupUserFile()
         ccUser.setup("User", null);
         ccUser.get().options().copyDefaults(true);
 
-        int userVersion = getConfig().getInt("Version");
+        int userVersion = ConfigUtil.GetConfigVersion();
         if (userVersion < 3)
         {
             for (String s : ccUser.get().getKeys(false))
diff --git a/src/main/java/me/sat7/dynamicshop/commands/Optional.java b/src/main/java/me/sat7/dynamicshop/commands/Optional.java
index f21cb89..b1d28f2 100644
--- a/src/main/java/me/sat7/dynamicshop/commands/Optional.java
+++ b/src/main/java/me/sat7/dynamicshop/commands/Optional.java
@@ -3,6 +3,7 @@
 import me.sat7.dynamicshop.DynamicShop;
 import me.sat7.dynamicshop.constants.Constants;
 
+import me.sat7.dynamicshop.utilities.ConfigUtil;
 import org.bukkit.Bukkit;
 import org.bukkit.GameMode;
 import org.bukkit.command.Command;
@@ -17,7 +18,8 @@ public class Optional implements CommandExecutor
     @Override
     public boolean onCommand(CommandSender sender, Command command, String label, String[] args)
     {
-        if (!DynamicShop.plugin.getConfig().getBoolean("Command.UseShopCommand")) return true;
+        if (!ConfigUtil.GetUseShopCommand())
+            return true;
 
         if (sender instanceof Player)
         {
diff --git a/src/main/java/me/sat7/dynamicshop/commands/Reload.java b/src/main/java/me/sat7/dynamicshop/commands/Reload.java
index 27ddaad..dd8b72b 100644
--- a/src/main/java/me/sat7/dynamicshop/commands/Reload.java
+++ b/src/main/java/me/sat7/dynamicshop/commands/Reload.java
@@ -9,7 +9,6 @@
 import me.sat7.dynamicshop.guis.StartPage;
 
 import static me.sat7.dynamicshop.constants.Constants.P_ADMIN_RELOAD;
-import static me.sat7.dynamicshop.utilities.ConfigUtil.configVersion;
 import static me.sat7.dynamicshop.utilities.LangUtil.t;
 
 public final class Reload extends DSCMD
@@ -51,8 +50,7 @@ public void RunCMD(String[] args, CommandSender sender)
         SoundUtil.ccSound.reload();
         SoundUtil.setupSoundFile();
 
-        DynamicShop.plugin.reloadConfig();
-        ConfigUtil.configSetup(DynamicShop.plugin);
+        ConfigUtil.Load();
         DynamicShop.plugin.PeriodicRepetitiveTask();
 
         DynamicShop.plugin.startSaveLogsTask();
@@ -62,9 +60,7 @@ public void RunCMD(String[] args, CommandSender sender)
         QuickSell.quickSellGui.reload();
         QuickSell.SetupQuickSellGUIFile();
 
-        LangUtil.setupLangFile(DynamicShop.plugin.getConfig().getString("Language"));
-
-        DynamicShop.plugin.getConfig().set("Version", configVersion);
+        LangUtil.setupLangFile(ConfigUtil.GetLanguage());
 
         sender.sendMessage(DynamicShop.dsPrefix(sender) + t(sender, "HELP.RELOADED"));
     }
diff --git a/src/main/java/me/sat7/dynamicshop/commands/SetDefaultShop.java b/src/main/java/me/sat7/dynamicshop/commands/SetDefaultShop.java
index 5135f27..991282e 100644
--- a/src/main/java/me/sat7/dynamicshop/commands/SetDefaultShop.java
+++ b/src/main/java/me/sat7/dynamicshop/commands/SetDefaultShop.java
@@ -1,5 +1,6 @@
 package me.sat7.dynamicshop.commands;
 
+import me.sat7.dynamicshop.utilities.ConfigUtil;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
@@ -35,8 +36,8 @@ public void RunCMD(String[] args, CommandSender sender)
 
         if (ShopUtil.shopConfigFiles.containsKey(args[1]))
         {
-            DynamicShop.plugin.getConfig().set("Command.DefaultShopName", args[1]);
-            DynamicShop.plugin.saveConfig();
+            ConfigUtil.SetDefaultShopName(args[1]);
+            ConfigUtil.Save();
 
             sender.sendMessage(DynamicShop.dsPrefix(sender) + t(sender, "MESSAGE.CHANGES_APPLIED") + args[1]);
         } else
diff --git a/src/main/java/me/sat7/dynamicshop/commands/SetTax.java b/src/main/java/me/sat7/dynamicshop/commands/SetTax.java
index 0f3432e..662508e 100644
--- a/src/main/java/me/sat7/dynamicshop/commands/SetTax.java
+++ b/src/main/java/me/sat7/dynamicshop/commands/SetTax.java
@@ -46,9 +46,8 @@ public void RunCMD(String[] args, CommandSender sender)
             try
             {
                 int newValue = Clamp(Integer.parseInt(args[1]), 1, 99);
-
-                DynamicShop.plugin.getConfig().set("Shop.SalesTax", newValue);
-                DynamicShop.plugin.saveConfig();
+                ConfigUtil.SetSalesTax(newValue);
+                ConfigUtil.Save();
 
                 ConfigUtil.setCurrentTax(newValue);
 
diff --git a/src/main/java/me/sat7/dynamicshop/commands/Shop.java b/src/main/java/me/sat7/dynamicshop/commands/Shop.java
index 65a2272..ec2af2f 100644
--- a/src/main/java/me/sat7/dynamicshop/commands/Shop.java
+++ b/src/main/java/me/sat7/dynamicshop/commands/Shop.java
@@ -1,6 +1,7 @@
 package me.sat7.dynamicshop.commands;
 
 import me.sat7.dynamicshop.files.CustomConfig;
+import me.sat7.dynamicshop.utilities.ConfigUtil;
 import org.bukkit.command.CommandSender;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.entity.Player;
@@ -25,7 +26,7 @@ public static String GetShopName(String[] args)
     {
         if (args.length == 1)
         {
-            return DynamicShop.plugin.getConfig().getString("Command.DefaultShopName");
+            return ConfigUtil.GetDefaultShopName();
         }
         else if (args.length > 1)
         {
@@ -44,7 +45,7 @@ static void shopCommand(String[] args, CommandSender sender)
         if(sender instanceof Player)
             player = (Player) sender;
 
-        if (player != null && args.length == 1 && DynamicShop.plugin.getConfig().getBoolean("Command.OpenStartPageInsteadOfDefaultShop"))
+        if (player != null && args.length == 1 && ConfigUtil.GetOpenStartPageInsteadOfDefaultShop())
         {
             DynaShopAPI.openStartPage(player);
             return;
diff --git a/src/main/java/me/sat7/dynamicshop/guis/InGameUI.java b/src/main/java/me/sat7/dynamicshop/guis/InGameUI.java
index 7467894..27b5f44 100644
--- a/src/main/java/me/sat7/dynamicshop/guis/InGameUI.java
+++ b/src/main/java/me/sat7/dynamicshop/guis/InGameUI.java
@@ -1,6 +1,6 @@
 package me.sat7.dynamicshop.guis;
 
-import me.sat7.dynamicshop.DynamicShop;
+import me.sat7.dynamicshop.utilities.ConfigUtil;
 import me.sat7.dynamicshop.utilities.ItemsUtil;
 import org.bukkit.Material;
 import org.bukkit.entity.Player;
@@ -116,39 +116,39 @@ protected void CreateCloseButton(Player player, int slotIndex)
 
     public static Material GetCloseButtonIconMat()
     {
-        String iconName = DynamicShop.plugin.getConfig().getString("UI.CloseButtonIcon");
+        String iconName = ConfigUtil.GetCloseButtonIcon();
         Material mat = Material.getMaterial(iconName);
         if (mat == null)
         {
             mat = Material.BARRIER;
-            DynamicShop.plugin.getConfig().set("UI.CloseButtonIcon", "BARRIER");
-            DynamicShop.plugin.saveConfig();
+            ConfigUtil.SetCloseButtonIcon("BARRIER");
+            ConfigUtil.Save();
         }
         return mat;
     }
 
     public static Material GetPageButtonIconMat()
     {
-        String iconName = DynamicShop.plugin.getConfig().getString("UI.PageButtonIcon");
+        String iconName = ConfigUtil.GetPageButtonIcon();
         Material mat = Material.getMaterial(iconName);
         if (mat == null)
         {
             mat = Material.PAPER;
-            DynamicShop.plugin.getConfig().set("UI.PageButtonIcon", "PAPER");
-            DynamicShop.plugin.saveConfig();
+            ConfigUtil.SetPageButtonIcon("PAPER");
+            ConfigUtil.Save();
         }
         return mat;
     }
 
     public static Material GetShopInfoButtonIconMat()
     {
-        String iconName = DynamicShop.plugin.getConfig().getString("UI.ShopInfoButtonIcon");
+        String iconName = ConfigUtil.GetShopInfoButtonIcon();
         Material mat = Material.getMaterial(iconName);
         if (mat == null)
         {
             mat = Material.GOLD_BLOCK;
-            DynamicShop.plugin.getConfig().set("UI.ShopInfoButtonIcon", "GOLD_BLOCK");
-            DynamicShop.plugin.saveConfig();
+            ConfigUtil.SetShopInfoButtonIcon("GOLD_BLOCK");
+            ConfigUtil.Save();
         }
         return mat;
     }
diff --git a/src/main/java/me/sat7/dynamicshop/guis/ItemSettings.java b/src/main/java/me/sat7/dynamicshop/guis/ItemSettings.java
index 1230a91..2298bc0 100644
--- a/src/main/java/me/sat7/dynamicshop/guis/ItemSettings.java
+++ b/src/main/java/me/sat7/dynamicshop/guis/ItemSettings.java
@@ -240,7 +240,7 @@ public Inventory getGui(Player player, String shopName, int shopSlotIndex, int t
             recommendLore = t(player, "ERR.NO_RECOMMEND_DATA");
         } else
         {
-            int sugMid = ShopUtil.CalcRecommendedMedian(worth, DynamicShop.plugin.getConfig().getInt("Shop.NumberOfPlayer"));
+            int sugMid = ShopUtil.CalcRecommendedMedian(worth, ConfigUtil.GetNumberOfPlayer());
 
             String worthChanged = (dsItem.getBuyValue() == worth) ? " ▶§f " : " ▶§a ";
             String worthChanged2 = (dsItem.getSellValue() == worth) ? " ▶§f " : " ▶§a ";
@@ -373,10 +373,9 @@ private void SetToRecommend()
             player.sendMessage(DynamicShop.dsPrefix(player) + t(player, "ERR.NO_RECOMMEND_DATA"));
         } else
         {
-            int numberOfPlayer = DynamicShop.plugin.getConfig().getInt("Shop.NumberOfPlayer");
-            int sugMid = ShopUtil.CalcRecommendedMedian(worth, numberOfPlayer);
+            int sugMid = ShopUtil.CalcRecommendedMedian(worth, ConfigUtil.GetNumberOfPlayer());
 
-            player.sendMessage(DynamicShop.dsPrefix(player) + t(player, "MESSAGE.RECOMMEND_APPLIED").replace("{playerNum}", numberOfPlayer + ""));
+            player.sendMessage(DynamicShop.dsPrefix(player) + t(player, "MESSAGE.RECOMMEND_APPLIED").replace("{playerNum}", ConfigUtil.GetNumberOfPlayer() + ""));
 
             DynaShopAPI.openItemSettingGui(player, shopName, shopSlotIndex, currentTab, inventory.getItem(SAMPLE_ITEM),
                     worth, worth, minValue, maxValue, sugMid, sugMid, maxStock);
diff --git a/src/main/java/me/sat7/dynamicshop/guis/ItemTrade.java b/src/main/java/me/sat7/dynamicshop/guis/ItemTrade.java
index 689dff3..f10b387 100644
--- a/src/main/java/me/sat7/dynamicshop/guis/ItemTrade.java
+++ b/src/main/java/me/sat7/dynamicshop/guis/ItemTrade.java
@@ -8,6 +8,7 @@
 import me.sat7.dynamicshop.files.CustomConfig;
 import me.sat7.dynamicshop.transactions.Buy;
 import me.sat7.dynamicshop.transactions.Sell;
+import me.sat7.dynamicshop.utilities.ConfigUtil;
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
 import org.bukkit.Material;
@@ -291,7 +292,7 @@ private void CreateTradeButtons(boolean sell)
                 if (stock <= 0)
                 {
                     stockText = t(player, "TRADE.INF_STOCK");
-                } else if (DynamicShop.plugin.getConfig().getBoolean("UI.DisplayStockAsStack"))
+                } else if (ConfigUtil.GetDisplayStockAsStack())
                 {
                     stockText = t(player, "TRADE.STACKS").replace("{num}", n(stock / 64));
                 } else
@@ -303,7 +304,7 @@ private void CreateTradeButtons(boolean sell)
             String maxStockText;
             if (shopData.contains("Options.flag.showmaxstock") && maxStock != -1)
             {
-                if (DynamicShop.plugin.getConfig().getBoolean("UI.DisplayStockAsStack"))
+                if (ConfigUtil.GetDisplayStockAsStack())
                 {
                     maxStockText = t(player, "TRADE.STACKS").replace("{num}", n(maxStock / 64));
                 } else
diff --git a/src/main/java/me/sat7/dynamicshop/guis/Shop.java b/src/main/java/me/sat7/dynamicshop/guis/Shop.java
index 4a7ebc3..6b845d4 100644
--- a/src/main/java/me/sat7/dynamicshop/guis/Shop.java
+++ b/src/main/java/me/sat7/dynamicshop/guis/Shop.java
@@ -5,6 +5,7 @@
 import java.util.regex.Pattern;
 
 import me.sat7.dynamicshop.DynaShopAPI;
+import me.sat7.dynamicshop.utilities.ConfigUtil;
 import me.sat7.dynamicshop.utilities.SoundUtil;
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
@@ -109,7 +110,7 @@ public void OnClickLowerInventory(InventoryClickEvent e)
         if(!CheckShopIsEnable())
             return;
 
-        if(!DynamicShop.plugin.getConfig().getBoolean("UI.EnableInventoryClickSearch.Shop"))
+        if(!ConfigUtil.GetEnableInventoryClickSearch_Shop())
             return;
 
         player = (Player) e.getWhoClicked();
@@ -156,7 +157,7 @@ private void ShowItems()
                     if (stock <= 0)
                     {
                         stockStr = t(player, "SHOP.INF_STOCK");
-                    } else if (DynamicShop.plugin.getConfig().getBoolean("UI.DisplayStockAsStack"))
+                    } else if (ConfigUtil.GetDisplayStockAsStack())
                     {
                         stockStr = t(player, "SHOP.STACKS").replace("{num}", n(stock / 64));
                     } else
@@ -166,7 +167,7 @@ private void ShowItems()
 
                     if (maxStock != -1)
                     {
-                        if (DynamicShop.plugin.getConfig().getBoolean("UI.DisplayStockAsStack"))
+                        if (ConfigUtil.GetDisplayStockAsStack())
                         {
                             maxStockStr = t(player, "SHOP.STACKS").replace("{num}", n(maxStock / 64));
                         }
@@ -459,7 +460,7 @@ private void CloseUI()
         }
         else
         {
-            if (DynamicShop.plugin.getConfig().getBoolean("UI.OpenStartPageWhenClickCloseButton"))
+            if (ConfigUtil.GetOpenStartPageWhenClickCloseButton())
             {
                 DynaShopAPI.openStartPage(player);
             } else
diff --git a/src/main/java/me/sat7/dynamicshop/guis/ShopSettings.java b/src/main/java/me/sat7/dynamicshop/guis/ShopSettings.java
index a4e538e..19dc913 100644
--- a/src/main/java/me/sat7/dynamicshop/guis/ShopSettings.java
+++ b/src/main/java/me/sat7/dynamicshop/guis/ShopSettings.java
@@ -208,7 +208,7 @@ public Inventory getGui(Player player, String shopName)
             CreateButton(STABLE_INTERVAL, Material.COMPARATOR, t(player, "FLUCTUATION.INTERVAL"), stable_interval_Lore, Clamp(stockStableConf.getInt("interval") / 2, 1, 64));
 
             ArrayList<String> stable_strength_Lore = new ArrayList<>(Arrays.asList(
-                    DynamicShop.plugin.getConfig().getBoolean("Shop.UseLegacyStockStabilization") ? t(player, "STOCK_STABILIZING.STRENGTH_LORE_A") : t(player, "STOCK_STABILIZING.STRENGTH_LORE_B"),
+                    ConfigUtil.GetUseLegacyStockStabilization() ? t(player, "STOCK_STABILIZING.STRENGTH_LORE_A") : t(player, "STOCK_STABILIZING.STRENGTH_LORE_B"),
                     "§9" + t(player, "CUR_STATE") + ": ~" + stockStableConf.get("strength") + "%",
                     "§e" + t(player, "CLICK") + ": " + t(player, "STOCK_STABILIZING.L_R_SHIFT")));
             CreateButton(STABLE_STRENGTH, Material.COMPARATOR, t(player, "FLUCTUATION.STRENGTH"), stable_strength_Lore, Clamp((int) (stockStableConf.getDouble("strength") * 10), 1, 64));
@@ -600,7 +600,7 @@ else if (e.getSlot() == TAX_TOGGLE || e.getSlot() == TAX_AMOUNT)
                     data.get().set("Options.SalesTax", null);
                 } else
                 {
-                    data.get().set("Options.SalesTax", DynamicShop.plugin.getConfig().getInt("Shop.SalesTax"));
+                    data.get().set("Options.SalesTax", ConfigUtil.GetSalesTax());
                 }
 
                 DynaShopAPI.openShopSettingGui(player, shopName);
diff --git a/src/main/java/me/sat7/dynamicshop/guis/StartPage.java b/src/main/java/me/sat7/dynamicshop/guis/StartPage.java
index 6c58284..64c1407 100644
--- a/src/main/java/me/sat7/dynamicshop/guis/StartPage.java
+++ b/src/main/java/me/sat7/dynamicshop/guis/StartPage.java
@@ -4,6 +4,7 @@
 import java.util.Arrays;
 
 import me.sat7.dynamicshop.DynaShopAPI;
+import me.sat7.dynamicshop.utilities.ConfigUtil;
 import me.sat7.dynamicshop.utilities.ItemsUtil;
 import me.sat7.dynamicshop.utilities.LangUtil;
 import me.sat7.dynamicshop.utilities.ShopUtil;
@@ -222,7 +223,7 @@ else if (player.hasPermission(P_ADMIN_SHOP_EDIT))
     @Override
     public void OnClickLowerInventory(InventoryClickEvent e)
     {
-        if(!DynamicShop.plugin.getConfig().getBoolean("UI.EnableInventoryClickSearch.StartPage"))
+        if(!ConfigUtil.GetEnableInventoryClickSearch_StartPage())
             return;
 
         Player player = (Player) e.getWhoClicked();
@@ -260,7 +261,7 @@ public void OnClickLowerInventory(InventoryClickEvent e)
 
         DynaShopAPI.openShopGui(player, ret[0], Integer.parseInt(ret[1]) / 45 + 1);
 
-        boolean useLocalizedName = DynamicShop.plugin.getConfig().getBoolean("UI.LocalizedItemName");
+        boolean useLocalizedName = ConfigUtil.GetLocalizedItemName();
         String message;
         if(isSell)
         {
diff --git a/src/main/java/me/sat7/dynamicshop/transactions/Buy.java b/src/main/java/me/sat7/dynamicshop/transactions/Buy.java
index 7f691f6..38a38c8 100644
--- a/src/main/java/me/sat7/dynamicshop/transactions/Buy.java
+++ b/src/main/java/me/sat7/dynamicshop/transactions/Buy.java
@@ -199,7 +199,7 @@ private static void SendBuyMessage(ItemTrade.CURRENCY currency, Economy econ, Ec
     {
         String message = "";
         boolean itemHasCustomName = tempIS.getItemMeta() != null && tempIS.getItemMeta().hasDisplayName();
-        boolean useLocalizedName = !itemHasCustomName && DynamicShop.plugin.getConfig().getBoolean("UI.LocalizedItemName");
+        boolean useLocalizedName = !itemHasCustomName && ConfigUtil.GetLocalizedItemName();
         if (currency == ItemTrade.CURRENCY.VAULT)
         {
             message = DynamicShop.dsPrefix(player) + t(player, "MESSAGE.BUY_SUCCESS", !useLocalizedName)
diff --git a/src/main/java/me/sat7/dynamicshop/transactions/Sell.java b/src/main/java/me/sat7/dynamicshop/transactions/Sell.java
index 5e911ab..4bec26d 100644
--- a/src/main/java/me/sat7/dynamicshop/transactions/Sell.java
+++ b/src/main/java/me/sat7/dynamicshop/transactions/Sell.java
@@ -307,7 +307,7 @@ else if (currency == ItemTrade.CURRENCY.PLAYER_POINT)
     private static void SendSellMessage(ItemTrade.CURRENCY currency, Economy econ, EconomyResponse r, Player player, int actualAmount, double priceSum, ItemStack tempIS)
     {
         boolean itemHasCustomName = tempIS.getItemMeta() != null && tempIS.getItemMeta().hasDisplayName();
-        boolean useLocalizedName = !itemHasCustomName && DynamicShop.plugin.getConfig().getBoolean("UI.LocalizedItemName");
+        boolean useLocalizedName = !itemHasCustomName && ConfigUtil.GetLocalizedItemName();
         String message = "";
         if (currency == ItemTrade.CURRENCY.VAULT)
         {
diff --git a/src/main/java/me/sat7/dynamicshop/utilities/ConfigUtil.java b/src/main/java/me/sat7/dynamicshop/utilities/ConfigUtil.java
index c275088..96959a0 100644
--- a/src/main/java/me/sat7/dynamicshop/utilities/ConfigUtil.java
+++ b/src/main/java/me/sat7/dynamicshop/utilities/ConfigUtil.java
@@ -3,195 +3,420 @@
 import lombok.Getter;
 import lombok.Setter;
 import me.sat7.dynamicshop.DynamicShop;
+import me.sat7.dynamicshop.files.CustomConfig;
+import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.configuration.file.FileConfiguration;
 
+import java.util.ArrayList;
+import java.util.Map;
+
 import static me.sat7.dynamicshop.utilities.MathUtil.Clamp;
 
 public final class ConfigUtil
 {
-    @Getter
-    @Setter
-    private static int currentTax;
+    public final static int PluginConfigVersion = 4;
 
-    public final static int configVersion = 4;
+    public static int GetConfigVersion()
+    {
+        return DynamicShop.plugin.getConfig().getInt("Version");
+    }
 
-    private final static String[] dataKeys = new String[]
-            {
-                    "Language",
-                    "Prefix",
-                    "Command.UseShopCommand",
-                    "Command.OpenStartPageInsteadOfDefaultShop",
-                    "Command.DefaultShopName",
-                    "Command.PermissionCheckWhenCreatingAShopList",
-                    "Shop.SalesTax",
-                    "Shop.DeliveryChargeScale",
-                    "Shop.DeliveryChargeMin",
-                    "Shop.DeliveryChargeMax",
-                    "Shop.NumberOfPlayer",
-                    "Shop.UseLegacyStockStabilization",
-                    "UI.DisplayStockAsStack",
-                    "UI.OpenStartPageWhenClickCloseButton",
-                    "UI.CloseButtonIcon",
-                    "UI.PageButtonIcon",
-                    "UI.ShopInfoButtonIcon",
-                    "UI.IntFormat",
-                    "UI.DoubleFormat",
-                    "UI.LocalizedItemName",
-                    "UI.UsePlaceholderAPI",
-                    "UI.UseHexColorCode",
-                    "UI.EnableInventoryClickSearch.StartPage",
-                    "UI.EnableInventoryClickSearch.Shop",
-                    "Log.SaveLogs",
-                    "Log.LogFileNameFormat",
-                    "Log.CullLogs",
-                    "Log.LogCullAgeMinutes",
-                    "Log.LogCullTimeMinutes"
-            };
-
-    private ConfigUtil()
-    {
-
-    }
-
-    public static void configSetup(DynamicShop dynamicShop)
-    {
-        FileConfiguration config = dynamicShop.getConfig();
-
-        config.options().header(
-                "Language: ex) en-US,ko-KR"
-                        + "\nUseShopCommand: Set this to false if you want to disable '/shop'"
-                        + "\nDeliveryChargeScale: This is only used for shop with the 'delivery charge' flag. 0.01 ~"
-                        + "\nNumberOfPlayer: This is used to calculate the recommended median. 3~100"
-                        + "\nUseLegacyStockStabilization: false = Changed by n% of the gap with median. true = Changed by n% of median."
-                        + "\nDisplayStockAsStack: ex) true: 10Stacks, false: 640"
-                        + "\nVersion: Do NOT edit this"
-        );
-        config.options().copyHeader(true);
-
-        //기본값이 저장되어야 하는데 saveDefaultConfig() 가 작동 안해서 이렇게 처리함.
-        for(String s : dataKeys)
-        {
-            config.set(s, config.get(s));
-        }
+    public static void SetConfigVersion(int value)
+    {
+        DynamicShop.plugin.getConfig().set("Version", value);
+    }
+
+    // ============================================================
+
+    public static void Load()
+    {
+        ArrayList<String> header = new ArrayList<>();
+        header.add("Language: ex) en-US,ko-KR");
+        header.add("UseShopCommand: Set this to false if you want to disable '/shop'");
+        header.add("DeliveryChargeScale: This is only used for shop with the 'delivery charge' flag. 0.01 ~");
+        header.add("NumberOfPlayer: This is used to calculate the recommended median. 3~100");
+        header.add("UseLegacyStockStabilization: false = Changed by n% of the gap with median. true = Changed by n% of median.");
+        header.add("DisplayStockAsStack: ex) true: 10Stacks, false: 640");
+        header.add("Version: Do NOT edit this");
+
+        DynamicShop.plugin.saveDefaultConfig();
+        DynamicShop.plugin.reloadConfig();
+        DynamicShop.plugin.getConfig().options().setHeader(header);
+
+        ConvertV2toV3();
+        ShopYMLUpdate();
+        ValidateAndApply();
+        SetConfigVersion(ConfigUtil.PluginConfigVersion);
+        Save();
+    }
+
+    public static void Save()
+    {
+        DynamicShop.plugin.saveConfig();
+    }
 
-        DynamicShop.dsPrefix_ = config.getString("Prefix");
+    public static String GetLanguage()
+    {
+        return DynamicShop.plugin.getConfig().getString("Language");
+    }
+
+    public static String GetPrefix()
+    {
+        return DynamicShop.plugin.getConfig().getString("Prefix");
+    }
 
-        double salesTax = Clamp(config.getDouble("Shop.SalesTax"), 0, 99);
-        config.set("Shop.SalesTax", salesTax);
-        setCurrentTax((int) salesTax);
+    // [ Command ] ==========
+
+    public static boolean GetUseShopCommand()
+    {
+        return DynamicShop.plugin.getConfig().getBoolean("Command.UseShopCommand");
+    }
+
+    public static boolean GetOpenStartPageInsteadOfDefaultShop()
+    {
+        return DynamicShop.plugin.getConfig().getBoolean("Command.OpenStartPageInsteadOfDefaultShop");
+    }
 
-        double DeliveryChargeScale = config.getDouble("Shop.DeliveryChargeScale");
-        if (DeliveryChargeScale < 0.01) DeliveryChargeScale = 0.01;
-        config.set("Shop.DeliveryChargeScale", DeliveryChargeScale);
+    public static String GetDefaultShopName()
+    {
+        return DynamicShop.plugin.getConfig().getString("Command.DefaultShopName");
+    }
 
-        int DeliveryChargeMin = config.getInt("Shop.DeliveryChargeMin");
-        if (DeliveryChargeMin < 1) DeliveryChargeMin = 1;
-        config.set("Shop.DeliveryChargeMin", DeliveryChargeMin);
+    public static void SetDefaultShopName(String value)
+    {
+        DynamicShop.plugin.getConfig().set("Command.DefaultShopName", value);
+    }
 
-        int DeliveryChargeMax = config.getInt("Shop.DeliveryChargeMax");
-        if (DeliveryChargeMax < 1) DeliveryChargeMax = 1;
-        if (DeliveryChargeMax < DeliveryChargeMin)
-            DeliveryChargeMax = DeliveryChargeMin;
-        config.set("Shop.DeliveryChargeMax", DeliveryChargeMax);
+    public static boolean GetPermissionCheckWhenCreatingAShopList()
+    {
+        return DynamicShop.plugin.getConfig().getBoolean("Command.PermissionCheckWhenCreatingAShopList");
+    }
 
-        int numPlayer = Clamp(config.getInt("Shop.NumberOfPlayer"), 3, 100);
-        config.set("Shop.NumberOfPlayer", numPlayer);
+    // [ Shop ] ==========
 
-        ConvertV2toV3();
+    public static int GetSalesTax()
+    {
+        return DynamicShop.plugin.getConfig().getInt("Shop.SalesTax");
+    }
+
+    public static void SetSalesTax(int value)
+    {
+        DynamicShop.plugin.getConfig().set("Shop.SalesTax", value);
+    }
+
+    public static double GetDeliveryChargeScale()
+    {
+        return DynamicShop.plugin.getConfig().getDouble("Shop.DeliveryChargeScale");
+    }
+
+    public static void SetDeliveryChargeScale(double value)
+    {
+        DynamicShop.plugin.getConfig().set("Shop.DeliveryChargeScale", value);
+    }
+
+    public static int GetDeliveryChargeMin()
+    {
+        return DynamicShop.plugin.getConfig().getInt("Shop.DeliveryChargeMin");
+    }
+
+    public static void SetDeliveryChargeMin(int value)
+    {
+        DynamicShop.plugin.getConfig().set("Shop.DeliveryChargeMin", value);
+    }
+
+    public static int GetDeliveryChargeMax()
+    {
+        return DynamicShop.plugin.getConfig().getInt("Shop.DeliveryChargeMax");
+    }
+
+    public static void SetDeliveryChargeMax(int value)
+    {
+        DynamicShop.plugin.getConfig().set("Shop.DeliveryChargeMax", value);
+    }
+
+    public static int GetNumberOfPlayer()
+    {
+        return DynamicShop.plugin.getConfig().getInt("Shop.NumberOfPlayer");
+    }
+
+    public static void SetNumberOfPlayer(int value)
+    {
+        DynamicShop.plugin.getConfig().set("Shop.NumberOfPlayer", value);
+    }
+
+    public static boolean GetUseLegacyStockStabilization()
+    {
+        return DynamicShop.plugin.getConfig().getBoolean("Shop.UseLegacyStockStabilization");
+    }
+
+    // [ UI ] ==========
+
+    public static boolean GetDisplayStockAsStack()
+    {
+        return DynamicShop.plugin.getConfig().getBoolean("UI.DisplayStockAsStack");
+    }
+
+    public static boolean GetOpenStartPageWhenClickCloseButton()
+    {
+        return DynamicShop.plugin.getConfig().getBoolean("UI.OpenStartPageWhenClickCloseButton");
+    }
+
+    public static String GetCloseButtonIcon()
+    {
+        return DynamicShop.plugin.getConfig().getString("UI.CloseButtonIcon");
+    }
 
-        dynamicShop.saveConfig();
+    public static void SetCloseButtonIcon(String value)
+    {
+        DynamicShop.plugin.getConfig().set("UI.CloseButtonIcon", value);
+    }
+
+    public static String GetPageButtonIcon()
+    {
+        return DynamicShop.plugin.getConfig().getString("UI.PageButtonIcon");
+    }
+
+    public static void SetPageButtonIcon(String value)
+    {
+        DynamicShop.plugin.getConfig().set("UI.PageButtonIcon", value);
+    }
+
+    public static String GetShopInfoButtonIcon()
+    {
+        return DynamicShop.plugin.getConfig().getString("UI.ShopInfoButtonIcon");
+    }
+
+    public static void SetShopInfoButtonIcon(String value)
+    {
+        DynamicShop.plugin.getConfig().set("UI.ShopInfoButtonIcon", value);
+    }
+
+    public static String GetIntFormat()
+    {
+        return DynamicShop.plugin.getConfig().getString("UI.IntFormat");
+    }
+
+    public static String GetDoubleFormat()
+    {
+        return DynamicShop.plugin.getConfig().getString("UI.DoubleFormat");
+    }
+
+    public static boolean GetLocalizedItemName()
+    {
+        return DynamicShop.plugin.getConfig().getBoolean("UI.LocalizedItemName");
+    }
+
+    public static boolean GetUsePlaceholderAPI()
+    {
+        return DynamicShop.plugin.getConfig().getBoolean("UI.UsePlaceholderAPI");
+    }
+
+    public static boolean GetUseHexColorCode()
+    {
+        return DynamicShop.plugin.getConfig().getBoolean("UI.UseHexColorCode");
+    }
+
+    public static boolean GetEnableInventoryClickSearch_StartPage()
+    {
+        return DynamicShop.plugin.getConfig().getBoolean("UI.EnableInventoryClickSearch.StartPage");
+    }
+
+    public static boolean GetEnableInventoryClickSearch_Shop()
+    {
+        return DynamicShop.plugin.getConfig().getBoolean("UI.EnableInventoryClickSearch.Shop");
+    }
+
+    // [ Log ] ==========
+
+    public static boolean GetSaveLogs()
+    {
+        return DynamicShop.plugin.getConfig().getBoolean("Log.SaveLogs");
+    }
+
+    public static String GetLogFileNameFormat()
+    {
+        return DynamicShop.plugin.getConfig().getString("Log.LogFileNameFormat");
+    }
+
+    public static boolean GetCullLogs()
+    {
+        return DynamicShop.plugin.getConfig().getBoolean("Log.CullLogs");
+    }
+
+    public static int GetLogCullAgeMinutes()
+    {
+        return DynamicShop.plugin.getConfig().getInt("Log.LogCullAgeMinutes");
+    }
+
+    public static int GetLogCullTimeMinutes()
+    {
+        return DynamicShop.plugin.getConfig().getInt("Log.LogCullTimeMinutes");
+    }
+
+    // [ ShopYmlBackup ] ==========
+
+    public static boolean GetShopYmlBackup_Enable()
+    {
+        return DynamicShop.plugin.getConfig().getBoolean("ShopYmlBackup.Enable");
+    }
+
+    public static int GetShopYmlBackup_IntervalMinutes()
+    {
+        return DynamicShop.plugin.getConfig().getInt("ShopYmlBackup.IntervalMinutes");
+    }
+
+    public static int GetShopYmlBackup_CullAgeMinutes()
+    {
+        return DynamicShop.plugin.getConfig().getInt("ShopYmlBackup.CullAgeMinutes");
     }
 
+    // ============================================================
+
+    private static void ValidateAndApply()
+    {
+        DynamicShop.dsPrefix_ = GetPrefix();
+
+        SetSalesTax(Clamp(GetSalesTax(), 0, 99));
+        setCurrentTax(GetSalesTax());
+
+        if (GetDeliveryChargeScale() < 0.01)
+            SetDeliveryChargeScale(0.01f);
+
+        if (GetDeliveryChargeMin() < 1)
+            SetDeliveryChargeMin(1);
+
+        if (GetDeliveryChargeMax() < 1)
+            SetDeliveryChargeMax(1);
+
+        if (GetDeliveryChargeMax() < GetDeliveryChargeMin())
+            SetDeliveryChargeMax(GetDeliveryChargeMin());
+
+        SetNumberOfPlayer(Clamp(GetNumberOfPlayer(), 3, 100));
+    }
+
+    @Getter
+    @Setter
+    private static int currentTax;
+
     public static void resetTax()
     {
-        currentTax = DynamicShop.plugin.getConfig().getInt("Shop.SalesTax");
+        currentTax = GetSalesTax();
     }
 
+    // ============================================================
+
     private static void ConvertV2toV3()
     {
-        FileConfiguration config = DynamicShop.plugin.getConfig();
+        if (DynamicShop.plugin.getConfig().get("ShowTax") != null)
+        {
+            DynamicShop.plugin.getConfig().set("ShowTax", null);
+        }
 
-        if(config.get("ShowTax") != null)
+        if (DynamicShop.plugin.getConfig().get("UseShopCommand") != null)
         {
-            config.set("ShowTax", null);
+            DynamicShop.plugin.getConfig().set("Command.UseShopCommand", DynamicShop.plugin.getConfig().get("UseShopCommand"));
+            DynamicShop.plugin.getConfig().set("UseShopCommand", null);
         }
 
-        if(config.get("UseShopCommand") != null)
+        if (DynamicShop.plugin.getConfig().get("OpenStartPageInsteadOfDefaultShop") != null)
         {
-            config.set("Command.UseShopCommand", config.get("UseShopCommand"));
-            config.set("UseShopCommand", null);
+            DynamicShop.plugin.getConfig().set("Command.OpenStartPageInsteadOfDefaultShop", DynamicShop.plugin.getConfig().get("OpenStartPageInsteadOfDefaultShop"));
+            DynamicShop.plugin.getConfig().set("OpenStartPageInsteadOfDefaultShop", null);
         }
 
-        if(config.get("OpenStartPageInsteadOfDefaultShop") != null)
+        if (DynamicShop.plugin.getConfig().get("DefaultShopName") != null)
         {
-            config.set("Command.OpenStartPageInsteadOfDefaultShop", config.get("OpenStartPageInsteadOfDefaultShop"));
-            config.set("OpenStartPageInsteadOfDefaultShop", null);
+            DynamicShop.plugin.getConfig().set("Command.DefaultShopName", DynamicShop.plugin.getConfig().get("DefaultShopName"));
+            DynamicShop.plugin.getConfig().set("DefaultShopName", null);
         }
 
-        if(config.get("DefaultShopName") != null)
+        if (DynamicShop.plugin.getConfig().get("SalesTax") != null)
         {
-            config.set("Command.DefaultShopName", config.get("DefaultShopName"));
-            config.set("DefaultShopName", null);
+            DynamicShop.plugin.getConfig().set("Shop.SalesTax", DynamicShop.plugin.getConfig().get("SalesTax"));
+            DynamicShop.plugin.getConfig().set("SalesTax", null);
         }
 
-        if(config.get("SalesTax") != null)
+        if (DynamicShop.plugin.getConfig().get("DeliveryChargeScale") != null)
         {
-            config.set("Shop.SalesTax", config.get("SalesTax"));
-            config.set("SalesTax", null);
+            DynamicShop.plugin.getConfig().set("Shop.DeliveryChargeScale", DynamicShop.plugin.getConfig().get("DeliveryChargeScale"));
+            DynamicShop.plugin.getConfig().set("DeliveryChargeScale", null);
         }
 
-        if(config.get("DeliveryChargeScale") != null)
+        if (DynamicShop.plugin.getConfig().get("NumberOfPlayer") != null)
         {
-            config.set("Shop.DeliveryChargeScale", config.get("DeliveryChargeScale"));
-            config.set("DeliveryChargeScale", null);
+            DynamicShop.plugin.getConfig().set("Shop.NumberOfPlayer", DynamicShop.plugin.getConfig().get("NumberOfPlayer"));
+            DynamicShop.plugin.getConfig().set("NumberOfPlayer", null);
         }
 
-        if(config.get("NumberOfPlayer") != null)
+        if (DynamicShop.plugin.getConfig().get("DisplayStockAsStack") != null)
         {
-            config.set("Shop.NumberOfPlayer", config.get("NumberOfPlayer"));
-            config.set("NumberOfPlayer", null);
+            DynamicShop.plugin.getConfig().set("UI.DisplayStockAsStack", DynamicShop.plugin.getConfig().get("DisplayStockAsStack"));
+            DynamicShop.plugin.getConfig().set("DisplayStockAsStack", null);
         }
 
-        if(config.get("DisplayStockAsStack") != null)
+        if (DynamicShop.plugin.getConfig().get("OnClickCloseButton_OpenStartPage") != null)
         {
-            config.set("UI.DisplayStockAsStack", config.get("DisplayStockAsStack"));
-            config.set("DisplayStockAsStack", null);
+            DynamicShop.plugin.getConfig().set("UI.OpenStartPageWhenClickCloseButton", DynamicShop.plugin.getConfig().get("OnClickCloseButton_OpenStartPage"));
+            DynamicShop.plugin.getConfig().set("OnClickCloseButton_OpenStartPage", null);
         }
 
-        if(config.get("OnClickCloseButton_OpenStartPage") != null)
+        if (DynamicShop.plugin.getConfig().get("ShopInfoButtonIcon") != null)
         {
-            config.set("UI.OpenStartPageWhenClickCloseButton", config.get("OnClickCloseButton_OpenStartPage"));
-            config.set("OnClickCloseButton_OpenStartPage", null);
+            DynamicShop.plugin.getConfig().set("UI.ShopInfoButtonIcon", DynamicShop.plugin.getConfig().get("ShopInfoButtonIcon"));
+            DynamicShop.plugin.getConfig().set("ShopInfoButtonIcon", null);
         }
 
-        if(config.get("ShopInfoButtonIcon") != null)
+        if (DynamicShop.plugin.getConfig().get("SaveLogs") != null)
         {
-            config.set("UI.ShopInfoButtonIcon", config.get("ShopInfoButtonIcon"));
-            config.set("ShopInfoButtonIcon", null);
+            DynamicShop.plugin.getConfig().set("Log.SaveLogs", DynamicShop.plugin.getConfig().get("SaveLogs"));
+            DynamicShop.plugin.getConfig().set("SaveLogs", null);
         }
 
-        if(config.get("SaveLogs") != null)
+        if (DynamicShop.plugin.getConfig().get("CullLogs") != null)
         {
-            config.set("Log.SaveLogs", config.get("SaveLogs"));
-            config.set("SaveLogs", null);
+            DynamicShop.plugin.getConfig().set("Log.CullLogs", DynamicShop.plugin.getConfig().get("CullLogs"));
+            DynamicShop.plugin.getConfig().set("CullLogs", null);
         }
 
-        if(config.get("CullLogs") != null)
+        if (DynamicShop.plugin.getConfig().get("LogCullAgeMinutes") != null)
         {
-            config.set("Log.CullLogs", config.get("CullLogs"));
-            config.set("CullLogs", null);
+            DynamicShop.plugin.getConfig().set("Log.LogCullAgeMinutes", DynamicShop.plugin.getConfig().get("LogCullAgeMinutes"));
+            DynamicShop.plugin.getConfig().set("LogCullAgeMinutes", null);
         }
 
-        if(config.get("LogCullAgeMinutes") != null)
+        if (DynamicShop.plugin.getConfig().get("LogCullTimeMinutes") != null)
         {
-            config.set("Log.LogCullAgeMinutes", config.get("LogCullAgeMinutes"));
-            config.set("LogCullAgeMinutes", null);
+            DynamicShop.plugin.getConfig().set("Log.LogCullTimeMinutes", DynamicShop.plugin.getConfig().get("LogCullTimeMinutes"));
+            DynamicShop.plugin.getConfig().set("LogCullTimeMinutes", null);
         }
+    }
 
-        if(config.get("LogCullTimeMinutes") != null)
+    private static void ShopYMLUpdate()
+    {
+        int userVersion = ConfigUtil.GetConfigVersion();
+        if (userVersion == 3)
         {
-            config.set("Log.LogCullTimeMinutes", config.get("LogCullTimeMinutes"));
-            config.set("LogCullTimeMinutes", null);
+            for(Map.Entry<String, CustomConfig> entry : ShopUtil.shopConfigFiles.entrySet())
+            {
+                ConfigurationSection cmdCS = entry.getValue().get().getConfigurationSection("Options.command");
+                if(cmdCS == null)
+                    continue;
+
+                boolean somethingChanged = false;
+                if(cmdCS.contains("sell") && !cmdCS.contains("sell.0"))
+                {
+                    cmdCS.set("sell.0", cmdCS.get("sell"));
+                    somethingChanged = true;
+                }
+                if(cmdCS.contains("buy") && !cmdCS.contains("buy.0"))
+                {
+                    cmdCS.set("buy.0", cmdCS.get("buy"));
+                    somethingChanged = true;
+                }
+
+                if(somethingChanged)
+                    entry.getValue().save();
+            }
         }
     }
 }
diff --git a/src/main/java/me/sat7/dynamicshop/utilities/LangUtil.java b/src/main/java/me/sat7/dynamicshop/utilities/LangUtil.java
index 45dc3cf..67d98fa 100644
--- a/src/main/java/me/sat7/dynamicshop/utilities/LangUtil.java
+++ b/src/main/java/me/sat7/dynamicshop/utilities/LangUtil.java
@@ -857,7 +857,7 @@ public static String t(Player player, String key, boolean hexConvert)
         if(temp == null || temp.isEmpty())
             return key;
 
-        if (hexConvert && DynamicShop.plugin.getConfig().getBoolean("UI.UseHexColorCode"))
+        if (hexConvert && ConfigUtil.GetUseHexColorCode())
         {
             Matcher matcher = HEX_PATTERN.matcher(temp);
             while (matcher.find())
@@ -866,7 +866,7 @@ public static String t(Player player, String key, boolean hexConvert)
             }
         }
 
-        if(player != null && DynamicShop.isPapiExist && DynamicShop.plugin.getConfig().getBoolean("UI.UsePlaceholderAPI"))
+        if(player != null && DynamicShop.isPapiExist && ConfigUtil.GetUsePlaceholderAPI())
             return PlaceholderAPI.setPlaceholders(player, temp);
         else
             return temp;
@@ -893,7 +893,7 @@ public static boolean sendMessageWithLocalizedItemName(Player player, String mes
             }
 
             String[] splitByRegex = null;
-            if(DynamicShop.plugin.getConfig().getBoolean("UI.UseHexColorCode"))
+            if(ConfigUtil.GetUseHexColorCode())
                 splitByRegex = HEX_PATTERN.split(message);
 
             if(splitByRegex != null && splitByRegex.length > 1)
@@ -962,8 +962,8 @@ public static boolean sendMessageWithLocalizedItemName(Player player, String mes
 
     private static void ReloadNumberFormat()
     {
-        intFormat = new DecimalFormat(DynamicShop.plugin.getConfig().getString("UI.IntFormat", "###,###"));
-        doubleFormat = new DecimalFormat(DynamicShop.plugin.getConfig().getString("UI.DoubleFormat", "###,###.##"));
+        intFormat = new DecimalFormat(ConfigUtil.GetIntFormat());
+        doubleFormat = new DecimalFormat(ConfigUtil.GetDoubleFormat());
     }
 
     private static DecimalFormat intFormat;
diff --git a/src/main/java/me/sat7/dynamicshop/utilities/LogUtil.java b/src/main/java/me/sat7/dynamicshop/utilities/LogUtil.java
index 970b643..2285fe5 100644
--- a/src/main/java/me/sat7/dynamicshop/utilities/LogUtil.java
+++ b/src/main/java/me/sat7/dynamicshop/utilities/LogUtil.java
@@ -29,7 +29,7 @@ private LogUtil()
     // 거래 로그 기록
     public static void addLog(String shopName, String itemName, int amount, double value, String curr, String player)
     {
-        if (DynamicShop.plugin.getConfig().getBoolean("Log.SaveLogs"))
+        if (ConfigUtil.GetSaveLogs())
         {
             CustomConfig data = ShopUtil.shopConfigFiles.get(shopName);
 
@@ -68,23 +68,6 @@ public static void addLog(String shopName, String itemName, int amount, double v
                 {
                     Bukkit.getServer().broadcast(message, Constants.P_ADMIN_SHOP_EDIT);
                 }
-
-
-                //boolean useLocalizedName = DynamicShop.plugin.getConfig().getBoolean("UI.LocalizedItemName");
-                //String message = DynamicShop.dsPrefix(null) + t(null, "LOG.SELL", !useLocalizedName)
-                //        .replace("{player}", player)
-                //        .replace("{shop}", shopName)
-                //        .replace("{amount}", amount + "");
-
-                //if (useLocalizedName)
-                //{
-                //    message = message.replace("{item}", "<item>");
-                //
-                //    LangUtil.sendMessageWithLocalizedItemName(player, message, Material.getMaterial(itemName));
-                //} else
-                //{
-                //    message = message.replace("{item}", itemName);
-                //}
             }
         }
     }
@@ -125,7 +108,7 @@ public static void SaveLogToCSV()
 
     private static String CreatePath(String shopName)
     {
-        SimpleDateFormat sdf = new SimpleDateFormat(DynamicShop.plugin.getConfig().getString("Log.LogFileNameFormat"));
+        SimpleDateFormat sdf = new SimpleDateFormat(ConfigUtil.GetLogFileNameFormat());
         String timeForFileName = sdf.format(System.currentTimeMillis());
         return DynamicShop.plugin.getDataFolder() + "/Log/" + shopName + "/" + timeForFileName + ".csv";
     }
@@ -157,7 +140,7 @@ public static void cullLogs()
                         continue;
 
                     int ageMins = (int) (System.currentTimeMillis() - log.lastModified()) / 60000;
-                    if (ageMins > DynamicShop.plugin.getConfig().getInt("Log.LogCullAgeMinutes"))
+                    if (ageMins > ConfigUtil.GetLogCullAgeMinutes())
                     {
                         if (log.delete())
                             deleted++;
@@ -168,8 +151,8 @@ public static void cullLogs()
             if (deleted > 0)
             {
                 DynamicShop.console.sendMessage(Constants.DYNAMIC_SHOP_PREFIX +
-                        " Found and deleted " + deleted + " log file(s) older than " + DynamicShop.plugin.getConfig().getInt("Log.LogCullAgeMinutes") +
-                        " minutes. Checking again in " + DynamicShop.plugin.getConfig().getInt("Log.LogCullTimeMinutes") + " minutes.");
+                        " Found and deleted " + deleted + " log file(s) older than " + ConfigUtil.GetLogCullAgeMinutes() +
+                        " minutes. Checking again in " + ConfigUtil.GetLogCullTimeMinutes() + " minutes.");
             }
         }
     }
diff --git a/src/main/java/me/sat7/dynamicshop/utilities/ShopUtil.java b/src/main/java/me/sat7/dynamicshop/utilities/ShopUtil.java
index 200f6db..f3e99b7 100644
--- a/src/main/java/me/sat7/dynamicshop/utilities/ShopUtil.java
+++ b/src/main/java/me/sat7/dynamicshop/utilities/ShopUtil.java
@@ -606,8 +606,7 @@ public static void SetToRecommendedValueAll(String shop, CommandSender sender)
 
                 if (worth != 0)
                 {
-                    int numberOfPlayer = DynamicShop.plugin.getConfig().getInt("Shop.NumberOfPlayer");
-                    int sugMid = CalcRecommendedMedian(worth, numberOfPlayer);
+                    int sugMid = CalcRecommendedMedian(worth, ConfigUtil.GetNumberOfPlayer());
 
                     ShopUtil.editShopItem(shop, i, worth, worth, 0.01f, -1, sugMid, sugMid);
                 } else
@@ -839,7 +838,7 @@ public static int GetShopMaxPage(String shopName)
     private static int randomStockTimer = 1;
     public static void randomChange(Random generator)
     {
-        boolean legacyStabilizer = DynamicShop.plugin.getConfig().getBoolean("Shop.UseLegacyStockStabilization");
+        boolean legacyStabilizer = ConfigUtil.GetUseLegacyStockStabilization();
 
         // 인게임 30분마다 실행됨 (500틱)
         randomStockTimer += 1;
@@ -1010,8 +1009,8 @@ public static int CalcShipping(String shopName, Player player)
             } else if (outside)
             {
                 Location lo = new Location(player.getWorld(), x1, y1, z1);
-                int dist = (int) (player.getLocation().distance(lo) * 0.1 * DynamicShop.plugin.getConfig().getDouble("Shop.DeliveryChargeScale"));
-                deliverycharge = Clamp(dist, DynamicShop.plugin.getConfig().getInt("Shop.DeliveryChargeMin"), DynamicShop.plugin.getConfig().getInt("Shop.DeliveryChargeMax"));
+                int dist = (int) (player.getLocation().distance(lo) * 0.1 * ConfigUtil.GetDeliveryChargeScale());
+                deliverycharge = Clamp(dist, ConfigUtil.GetDeliveryChargeMin(), ConfigUtil.GetDeliveryChargeMax());
             }
         }
 
diff --git a/src/main/java/me/sat7/dynamicshop/utilities/TabCompleteUtil.java b/src/main/java/me/sat7/dynamicshop/utilities/TabCompleteUtil.java
index 430b7b5..0154967 100644
--- a/src/main/java/me/sat7/dynamicshop/utilities/TabCompleteUtil.java
+++ b/src/main/java/me/sat7/dynamicshop/utilities/TabCompleteUtil.java
@@ -42,7 +42,7 @@ public static List<String> onTabCompleteBody(DynamicShop dynamicShop, CommandSen
 
             if (cmd.getName().equalsIgnoreCase("shop") && args.length == 1)
             {
-                if (!dynamicShop.getConfig().getBoolean("Command.UseShopCommand")) return autoCompleteList;
+                if (!ConfigUtil.GetUseShopCommand()) return autoCompleteList;
 
                 for (Map.Entry<String, CustomConfig> entry : ShopUtil.shopConfigFiles.entrySet())
                 {
@@ -56,7 +56,7 @@ public static List<String> onTabCompleteBody(DynamicShop dynamicShop, CommandSen
 
                     String permission = options.getString("permission", "");
                     if (permission.isEmpty()
-                            || !DynamicShop.plugin.getConfig().getBoolean("Command.PermissionCheckWhenCreatingAShopList")
+                            || !ConfigUtil.GetPermissionCheckWhenCreatingAShopList()
                             || p.hasPermission(permission))
                         temp.add(entry.getKey());
                 }
@@ -109,7 +109,7 @@ public static List<String> onTabCompleteBody(DynamicShop dynamicShop, CommandSen
 
                             String permission = options.getString("permission", "");
                             if (permission.isEmpty()
-                                    || !DynamicShop.plugin.getConfig().getBoolean("Command.PermissionCheckWhenCreatingAShopList")
+                                    || !ConfigUtil.GetPermissionCheckWhenCreatingAShopList()
                                     || p.hasPermission(permission))
                                 temp.add(entry.getKey());
                         }
diff --git a/src/main/resources/config.yml b/src/main/resources/config.yml
index d7829ca..0465fb9 100644
--- a/src/main/resources/config.yml
+++ b/src/main/resources/config.yml
@@ -1,18 +1,15 @@
 Language: en-US
 Prefix: §3DShop3 §7| §f
-
 Command.UseShopCommand: true
 Command.OpenStartPageInsteadOfDefaultShop: true
 Command.DefaultShopName: SampleShop
 Command.PermissionCheckWhenCreatingAShopList: false
-
 Shop.SalesTax: 25
 Shop.DeliveryChargeScale: 0.3
 Shop.DeliveryChargeMin: 1
 Shop.DeliveryChargeMax: 25
 Shop.NumberOfPlayer: 10
 Shop.UseLegacyStockStabilization: false
-
 UI.DisplayStockAsStack: false
 UI.OpenStartPageWhenClickCloseButton: true
 UI.CloseButtonIcon : BARRIER
@@ -25,7 +22,6 @@ UI.UsePlaceholderAPI : true
 UI.UseHexColorCode : true
 UI.EnableInventoryClickSearch.StartPage: true
 UI.EnableInventoryClickSearch.Shop: true
-
 Log.SaveLogs: true
 Log.LogFileNameFormat: MM_dd_yyyy
 Log.CullLogs: true