diff --git a/pom.xml b/pom.xml
index 294eacb..5e04a93 100644
--- a/pom.xml
+++ b/pom.xml
@@ -90,6 +90,11 @@
             <id>papermc-repo</id>
             <url>https://repo.papermc.io/repository/maven-public/</url>
         </repository>
+        <!-- ProtocolLib 仓库 -->
+        <repository>
+            <id>dmulloy2-repo</id>
+            <url>https://repo.dmulloy2.net/repository/public/</url>
+        </repository>
     </repositories>
 
     <dependencies>
@@ -99,5 +104,13 @@
             <version>1.21.11-R0.1-SNAPSHOT</version>
             <scope>provided</scope>
         </dependency>
+        
+        <!-- ProtocolLib 依赖 (5.4.0+ 迁移到 Maven Central) -->
+        <dependency>
+            <groupId>net.dmulloy2</groupId>
+            <artifactId>ProtocolLib</artifactId>
+            <version>5.4.0</version>
+            <scope>provided</scope>
+        </dependency>
     </dependencies>
 </project>
diff --git a/src/main/java/cn/infstar/essentialsC/EssentialsC.java b/src/main/java/cn/infstar/essentialsC/EssentialsC.java
index 2ba929c..18a4a0e 100644
--- a/src/main/java/cn/infstar/essentialsC/EssentialsC.java
+++ b/src/main/java/cn/infstar/essentialsC/EssentialsC.java
@@ -1,6 +1,7 @@
 package cn.infstar.essentialsC;
 
 import cn.infstar.essentialsC.commands.*;
+import cn.infstar.essentialsC.listeners.InventoryTitleListener;
 import cn.infstar.essentialsC.listeners.ShulkerBoxListener;
 import org.bukkit.Bukkit;
 import org.bukkit.command.Command;
@@ -12,12 +13,24 @@ import java.lang.reflect.Field;
 public final class EssentialsC extends JavaPlugin {
 
     private static LangManager langManager;
+    private static InventoryTitleListener inventoryTitleListener;
 
     @Override
     public void onEnable() {
         // 初始化语言管理器
         langManager = new LangManager(this);
         
+        // 检查 ProtocolLib 是否可用
+        boolean protocolLibAvailable = checkProtocolLib();
+        
+        // 如果 ProtocolLib 可用，注册 InventoryTitleListener
+        if (protocolLibAvailable) {
+            inventoryTitleListener = new InventoryTitleListener(this);
+            getLogger().info("ProtocolLib 已检测到，启用自定义标题功能！");
+        } else {
+            getLogger().warning("ProtocolLib 未检测到，将使用默认标题。");
+        }
+        
         // 注册监听器
         registerListeners();
         
@@ -30,6 +43,10 @@ public final class EssentialsC extends JavaPlugin {
 
     @Override
     public void onDisable() {
+        // 清理 InventoryTitleListener
+        if (inventoryTitleListener != null) {
+            inventoryTitleListener.cleanup();
+        }
         getLogger().info("EssentialsC 插件已禁用！");
     }
     
@@ -40,6 +57,20 @@ public final class EssentialsC extends JavaPlugin {
         return langManager;
     }
     
+    /**
+     * 获取 InventoryTitleListener 实例
+     */
+    public static InventoryTitleListener getInventoryTitleListener() {
+        return inventoryTitleListener;
+    }
+    
+    /**
+     * 检查 ProtocolLib 是否可用
+     */
+    private boolean checkProtocolLib() {
+        return Bukkit.getPluginManager().isPluginEnabled("ProtocolLib");
+    }
+    
     /**
      * 注册所有监听器
      */
diff --git a/src/main/java/cn/infstar/essentialsC/commands/EnderChestCommand.java b/src/main/java/cn/infstar/essentialsC/commands/EnderChestCommand.java
index 099e644..cfa424b 100644
--- a/src/main/java/cn/infstar/essentialsC/commands/EnderChestCommand.java
+++ b/src/main/java/cn/infstar/essentialsC/commands/EnderChestCommand.java
@@ -1,8 +1,12 @@
 package cn.infstar.essentialsC.commands;
 
 import cn.infstar.essentialsC.EssentialsC;
+import cn.infstar.essentialsC.listeners.InventoryTitleListener;
 import org.bukkit.entity.Player;
 
+/**
+ * 末影箱命令 - 使用 ProtocolLib 实现自定义标题
+ */
 public class EnderChestCommand extends BaseCommand {
     
     public EnderChestCommand() {
@@ -11,18 +15,15 @@ public class EnderChestCommand extends BaseCommand {
     
     @Override
     protected boolean execute(Player player, String[] args) {
-        EssentialsC plugin = EssentialsC.getInstance();
+        InventoryTitleListener titleListener = EssentialsC.getInventoryTitleListener();
         
-        // 如果启用了 ProtocolLib，使用自定义标题
-        if (plugin.isProtocolLibEnabled()) {
-            // 从配置读取标题
-            String title = plugin.getConfig().getString("enderchest.title", "&5随身末影箱");
-            
-            // 标记下一个打开的 inventory 需要修改标题
-            plugin.getInventoryTitleListener().markForTitleChange(player, title);
+        // 如果 ProtocolLib 可用，设置自定义标题
+        if (titleListener != null) {
+            String title = "&5随身末影箱";
+            titleListener.markForTitleChange(player, title);
         }
         
-        // 直接打开玩家的末影箱（参考 EssentialsX 实现）
+        // 打开末影箱
         player.openInventory(player.getEnderChest());
         return true;
     }
diff --git a/src/main/java/cn/infstar/essentialsC/listeners/ShulkerBoxListener.java b/src/main/java/cn/infstar/essentialsC/listeners/ShulkerBoxListener.java
index 23c2c13..0f923d1 100644
--- a/src/main/java/cn/infstar/essentialsC/listeners/ShulkerBoxListener.java
+++ b/src/main/java/cn/infstar/essentialsC/listeners/ShulkerBoxListener.java
@@ -208,16 +208,22 @@ public class ShulkerBoxListener implements Listener {
             // 使用配置文件中的默认标题
             String defaultTitle = plugin.getConfig().getString("shulkerbox.default-title", "");
             if (defaultTitle != null && !defaultTitle.isEmpty()) {
-                // 转换颜色代码 & -> §
-                title = defaultTitle.replace('&', '§');
+                title = defaultTitle;
             } else {
-                // 如果配置为空，使用 "Shulker Box"（客户端会自动翻译）
-                title = "Shulker Box";
+                title = "&e潜影盒";
             }
         }
         
+        // 如果 ProtocolLib 可用，标记需要修改标题
+        InventoryTitleListener titleListener = EssentialsC.getInventoryTitleListener();
+        if (titleListener != null) {
+            titleListener.markForTitleChange(player, title);
+        }
+        
         // 创建一个新的 inventory（基于潜影盒的内容）
-        Inventory inventory = Bukkit.createInventory(null, 27, title);
+        // 注意：如果使用 ProtocolLib，标题会被拦截修改，这里用临时标题
+        String inventoryTitle = titleListener != null ? "Opening..." : title.replace('&', '§');
+        Inventory inventory = Bukkit.createInventory(null, 27, inventoryTitle);
         
         // 复制潜影盒的内容到新 inventory
         ItemStack[] contents = shulkerBoxBlock.getInventory().getContents();
diff --git a/src/main/resources/paper-plugin.yml b/src/main/resources/paper-plugin.yml
index 4e29c7a..b3969e7 100644
--- a/src/main/resources/paper-plugin.yml
+++ b/src/main/resources/paper-plugin.yml
@@ -6,6 +6,14 @@ main: cn.infstar.essentialsC.EssentialsC
 api-version: '1.21'
 load: POSTWORLD
 
+# ProtocolLib 依赖（可选）
+dependencies:
+  server:
+    ProtocolLib:
+      load: BEFORE
+      required: false
+      join-classpath: true
+
 authors: [ Coldsmiles_7 ]
 website: www.infstar.cn