diff --git a/src/main/java/cn/citycraft/ProtectItem/utils/ItemManager.java b/src/main/java/cn/citycraft/ProtectItem/utils/ItemManager.java
index bc6d99f..3a69688 100644
--- a/src/main/java/cn/citycraft/ProtectItem/utils/ItemManager.java
+++ b/src/main/java/cn/citycraft/ProtectItem/utils/ItemManager.java
@@ -19,7 +19,7 @@ import cn.citycraft.ProtectItem.ProtectItem;
 
 public class ItemManager {
 	FileConfig itemconfig;
-	HashMap<String, List<ActionType>> itemlist = new HashMap<String, List<ActionType>>();
+	HashMap<String, ArrayList<ActionType>> itemlist = new HashMap<String, ArrayList<ActionType>>();
 	ProtectItem plugin;
 
 	public ItemManager(final ProtectItem main) {
@@ -30,7 +30,7 @@ public class ItemManager {
 			final Set<String> items = itemconfig.getConfigurationSection("banitems").getKeys(false);
 			if (items != null) {
 				for (final String banitem : items) {
-					final List<ActionType> actlist = new ArrayList<ActionType>();
+					final ArrayList<ActionType> actlist = new ArrayList<ActionType>();
 					for (final String action : itemconfig.getStringList("banitems." + banitem)) {
 						try {
 							final ActionType act = Enum.valueOf(ActionType.class, action);
@@ -51,8 +51,8 @@ public class ItemManager {
 	public void banItem(final ItemStack item, final ActionType... action) {
 		final String itemname = getItemName(item);
 		if (itemlist.containsKey(itemname)) {
-			final List<ActionType> actlist = itemlist.get(itemname);
-			final List<ActionType> addactlist = new ArrayList<ActionType>();
+			final ArrayList<ActionType> actlist = itemlist.get(itemname);
+			final ArrayList<ActionType> addactlist = new ArrayList<ActionType>();
 			for (final ActionType actionType : actlist) {
 				if (!actlist.contains(action)) {
 					addactlist.add(actionType);
@@ -61,7 +61,7 @@ public class ItemManager {
 			actlist.addAll(addactlist);
 			itemlist.put(itemname, actlist);
 		} else {
-			itemlist.put(itemname, Arrays.asList(action));
+			itemlist.put(itemname, new ArrayList<>(Arrays.asList(action)));
 		}
 		this.saveConfig();
 	}
@@ -91,7 +91,7 @@ public class ItemManager {
 
 	public void saveConfig() {
 		final HashMap<String, List<String>> banlist = new HashMap<String, List<String>>();
-		for (final Entry<String, List<ActionType>> banitem : itemlist.entrySet()) {
+		for (final Entry<String, ArrayList<ActionType>> banitem : itemlist.entrySet()) {
 			final List<String> actlist = new ArrayList<String>();
 			for (final ActionType act : banitem.getValue()) {
 				actlist.add(act.toString());
@@ -105,7 +105,7 @@ public class ItemManager {
 	public void sendBanList(final CommandSender sender) {
 		sender.sendMessage("§6服务器已禁封的物品如下:");
 		sender.sendMessage("§a物品           §c操作");
-		for (final Entry<String, List<ActionType>> item : itemlist.entrySet()) {
+		for (final Entry<String, ArrayList<ActionType>> item : itemlist.entrySet()) {
 			String acts = "";
 			for (final ActionType act : item.getValue()) {
 				acts += act.getName() + " ";
@@ -123,7 +123,7 @@ public class ItemManager {
 	public void unBanItem(final ItemStack item, final ActionType... action) {
 		final String itemname = getItemName(item);
 		if (itemlist.containsKey(itemname)) {
-			final List<ActionType> actlist = itemlist.get(itemname);
+			final ArrayList<ActionType> actlist = itemlist.get(itemname);
 			actlist.removeAll(Arrays.asList(action));
 			itemlist.put(itemname, actlist);
 		}