diff --git a/src/main/java/ren/taske/nativebot/MinecraftPlugin.java b/src/main/java/ren/taske/nativebot/MinecraftPlugin.java
index f9cb1c3..bfbb8aa 100644
--- a/src/main/java/ren/taske/nativebot/MinecraftPlugin.java
+++ b/src/main/java/ren/taske/nativebot/MinecraftPlugin.java
@@ -8,6 +8,7 @@ import ren.taske.nativebot.bot.chatting.Chatting;
 import ren.taske.nativebot.bot.chatting.MinecraftMessage;
 import ren.taske.nativebot.bot.chatting.TencentMessage;
 import ren.taske.nativebot.core.NativeBot;
+import ren.taske.nativebot.minecraft.command.CommandQQ;
 
 public class MinecraftPlugin extends JavaPlugin {
 
@@ -17,9 +18,14 @@ public class MinecraftPlugin extends JavaPlugin {
 	protected final MinecraftMessage mcevent = new MinecraftMessage(this);
 	protected final TencentMessage tencentevent = new TencentMessage(this);
 	
+	protected final CommandQQ cmdqq = new CommandQQ(this);
+	
 	@Override
 	public void onEnable() {
 		nativebot.onEnable();
+		
+		getCommand("qq").setExecutor(cmdqq);
+		
 		nativebot.getBot().register(tencentevent);
 		getServer().getPluginManager().registerEvents(mcevent, this);
 		super.onEnable();
diff --git a/src/main/java/ren/taske/nativebot/bot/Bot.java b/src/main/java/ren/taske/nativebot/bot/Bot.java
index 8f93126..78cde52 100644
--- a/src/main/java/ren/taske/nativebot/bot/Bot.java
+++ b/src/main/java/ren/taske/nativebot/bot/Bot.java
@@ -10,6 +10,8 @@ import cc.moecraft.icq.command.interfaces.IcqCommand;
 import cc.moecraft.icq.event.IcqListener;
 import cc.moecraft.icq.sender.IcqHttpApi;
 import cc.moecraft.logger.environments.ColorSupportLevel;
+import ren.taske.nativebot.bot.permission.Permission;
+import ren.taske.nativebot.bot.permission.PermissionManager;
 import ren.taske.nativebot.commons.Config;
 
 public class Bot extends Thread {
@@ -64,6 +66,8 @@ public class Bot extends Thread {
 	 * But wait! Did you {@code register} the commands?
 	 */
 	public void run() {
+		PermissionManager.init();
+		Permission.lock();
 		bot.startBot();
 	}
 	
diff --git a/src/main/java/ren/taske/nativebot/bot/chatting/Chatting.java b/src/main/java/ren/taske/nativebot/bot/chatting/Chatting.java
index 0f157fe..168b440 100644
--- a/src/main/java/ren/taske/nativebot/bot/chatting/Chatting.java
+++ b/src/main/java/ren/taske/nativebot/bot/chatting/Chatting.java
@@ -40,7 +40,7 @@ public class Chatting {
 			return;
 		}
 		
-		if(!ut.hasPermission(NODE_CHATTING_TENCENT, true)) {
+		if(!ut.hasPermission(NODE_CHATTING_TENCENT)) {
 			evt.respond(MessageLib.getUnauthorizedMessage(user));
 			return;
 		}
@@ -74,7 +74,14 @@ public class Chatting {
 			return;
 		}
 		
-		if(!um.hasPermission(NODE_CHATTING_MINECRAFT, true)) {
+		if(um.getTencentId() == -1L) {
+			evt.getPlayer().sendMessage("Please set your Tencent userid first!");
+			return;
+		}
+		
+		UserTencent ut = UserTencent.of(um.getTencentId());
+		
+		if(!ut.hasPermission(NODE_CHATTING_MINECRAFT)) {
 			evt.getPlayer().sendMessage("You're Unauthorized!");
 			return;
 		}
diff --git a/src/main/java/ren/taske/nativebot/bot/command/CommandBase.java b/src/main/java/ren/taske/nativebot/bot/command/CommandBase.java
index f413014..8c6708b 100644
--- a/src/main/java/ren/taske/nativebot/bot/command/CommandBase.java
+++ b/src/main/java/ren/taske/nativebot/bot/command/CommandBase.java
@@ -29,10 +29,10 @@ public abstract class CommandBase implements EverywhereCommand {
 	@Override
 	public String run(EventMessage event, User sender, String command, ArrayList<String> args) {
 		long userid = sender.getId();
-		if(node == null || node.equals("") || UserTencent.of(userid).hasPermission(node) || UserTencent.of(userid).hasPermission(Reference.NODE_OP)) {
+		if(node == null || node.equals("") || UserTencent.of(userid).hasPermission(Reference.NODE_OP) || UserTencent.of(userid).hasPermission(node)) {
 			return execute(event, sender, userid, command, args);
 		} else {
-			return MessageLib.getUnauthorizedMessage(sender);
+			return MessageLib.getUnauthorizedMessage(sender)+"CB";
 		}
 	}
 	
diff --git a/src/main/java/ren/taske/nativebot/bot/command/CommandPermission.java b/src/main/java/ren/taske/nativebot/bot/command/CommandPermission.java
index 0d5cee1..1dd37ed 100644
--- a/src/main/java/ren/taske/nativebot/bot/command/CommandPermission.java
+++ b/src/main/java/ren/taske/nativebot/bot/command/CommandPermission.java
@@ -5,6 +5,7 @@ import java.util.ArrayList;
 import cc.moecraft.icq.event.events.message.EventMessage;
 import cc.moecraft.icq.user.User;
 import ren.taske.data.util.ParseUtil;
+import ren.taske.nativebot.bot.permission.PermissionManager;
 import ren.taske.nativebot.commons.Reference;
 import ren.taske.nativebot.core.profile.UserTencent;
 import ren.taske.nativebot.util.MessageUtils;
@@ -32,7 +33,12 @@ public class CommandPermission extends CommandBase {
 				UserTencent u = UserTencent.of(userid);
 				
 				if(args.size() == 2) {
-					message = nodename + " = " + u.hasPermission(nodename);
+					boolean exists = PermissionManager.has(nodename);
+					if(exists) {
+						message = nodename + " = " + u.hasPermission(nodename);
+					} else {
+						message = nodename + " is NOT registered!";
+					}
 				}
 				
 				if(args.size() > 2) {
diff --git a/src/main/java/ren/taske/nativebot/bot/permission/Permission.java b/src/main/java/ren/taske/nativebot/bot/permission/Permission.java
new file mode 100644
index 0000000..a4e8cf2
--- /dev/null
+++ b/src/main/java/ren/taske/nativebot/bot/permission/Permission.java
@@ -0,0 +1,50 @@
+package ren.taske.nativebot.bot.permission;
+
+import java.util.HashMap;
+
+import ren.taske.nativebot.core.NativeBot;
+
+public class Permission {
+
+	private static final HashMap<String, Permission> PERMS = new HashMap<>();
+	
+	private static boolean lock;
+	
+	protected final String name;
+	protected final boolean def;
+	
+	private Permission(String name) {
+		this(name, false);
+	}
+	
+	private Permission(String name, boolean def) {
+		this.name = name;
+		this.def  = def;
+	}
+	
+	public static Permission of(String name) {
+		return of(name, false);
+	}
+	
+	public static Permission of(String name, boolean def) {
+		if(!PERMS.containsKey(name)) {
+			if(lock) return null;
+			PERMS.put(name, new Permission(name, def));
+			NativeBot.logger().info("Register Permission Node "+name + " (def: " + def + ")");
+		}
+		return PERMS.get(name);
+	}
+	
+	public static void lock() {
+		lock = true;
+	}
+	
+	public String getName() {
+		return this.name;
+	}
+	
+	public boolean getDefault() {
+		return this.def;
+	}
+	
+}
diff --git a/src/main/java/ren/taske/nativebot/bot/permission/PermissionManager.java b/src/main/java/ren/taske/nativebot/bot/permission/PermissionManager.java
new file mode 100644
index 0000000..ab77d88
--- /dev/null
+++ b/src/main/java/ren/taske/nativebot/bot/permission/PermissionManager.java
@@ -0,0 +1,30 @@
+package ren.taske.nativebot.bot.permission;
+
+import ren.taske.nativebot.bot.chatting.Chatting;
+import ren.taske.nativebot.commons.Reference;
+
+public class PermissionManager {
+
+	public static boolean add(String node) {
+		return add(node, false);
+	}
+	
+	public static boolean add(String node, boolean def) {
+		return !(Permission.of(node, def) == null);
+	}
+	
+	public static boolean has(String node) {
+		return !(Permission.of(node) == null);
+	}
+	
+	// Add defaults
+	public static void init() {
+		
+		add(Reference.NODE_OP);
+		
+		add(Chatting.NODE_CHATTING_TENCENT, true);
+		add(Chatting.NODE_CHATTING_MINECRAFT, true);
+		
+	}
+	
+}
diff --git a/src/main/java/ren/taske/nativebot/core/NativeBot.java b/src/main/java/ren/taske/nativebot/core/NativeBot.java
index fb53d29..2478090 100644
--- a/src/main/java/ren/taske/nativebot/core/NativeBot.java
+++ b/src/main/java/ren/taske/nativebot/core/NativeBot.java
@@ -47,8 +47,13 @@ public class NativeBot {
 		for(String cmd : bot.getCommands()) logger.info("[C] "+cmd);
 	}
 	
+	@SuppressWarnings("deprecation")
 	public void onDisable() {
-		
+		try {
+			bot.stop();
+		} catch(Exception e) {
+			logger.warning(e.getMessage());
+		}
 	}
 	
 }
diff --git a/src/main/java/ren/taske/nativebot/core/profile/UserMinecraft.java b/src/main/java/ren/taske/nativebot/core/profile/UserMinecraft.java
index 70fd144..b1d9d99 100644
--- a/src/main/java/ren/taske/nativebot/core/profile/UserMinecraft.java
+++ b/src/main/java/ren/taske/nativebot/core/profile/UserMinecraft.java
@@ -56,4 +56,17 @@ public class UserMinecraft extends User {
 		data.save();
 	}
 	
+	public static final String _TENCENT_UID = "tencent.uid";
+	
+	public void setTencentId(long uid) {
+		data.setLong(_TENCENT_UID, uid);
+		data.save();
+	}
+	
+	public long getTencentId() {
+		data.setDefault(_TENCENT_UID, -1L);
+		data.save();
+		return data.getLong(_TENCENT_UID, -1L);
+	}
+	
 }
diff --git a/src/main/java/ren/taske/nativebot/core/profile/UserTencent.java b/src/main/java/ren/taske/nativebot/core/profile/UserTencent.java
index a8ad67c..23f2fe4 100644
--- a/src/main/java/ren/taske/nativebot/core/profile/UserTencent.java
+++ b/src/main/java/ren/taske/nativebot/core/profile/UserTencent.java
@@ -3,6 +3,7 @@ package ren.taske.nativebot.core.profile;
 import java.util.HashMap;
 
 import ren.taske.data.SimpleDataStorage;
+import ren.taske.nativebot.bot.permission.Permission;
 import ren.taske.nativebot.commons.Reference;
 
 public class UserTencent extends User {
@@ -11,11 +12,22 @@ public class UserTencent extends User {
 	
 	protected final SimpleDataStorage data;
 	
+	public static final UserTencent NONE = new UserTencent(-1L) {
+		@Override
+		public boolean hasPermission(String node) {
+			return false;
+		}
+	};
+	
 	private UserTencent(long userid) {
 		super(Long.toString(userid));
 		data = new SimpleDataStorage(Reference.getTencentProfile(userid));
 	}
 	
+	static {
+		PROFILES.put(-1L, NONE);
+	}
+	
 	public static UserTencent of(long userid) {
 		if(!PROFILES.containsKey(userid)) {
 			UserTencent user = new UserTencent(userid);
@@ -40,15 +52,13 @@ public class UserTencent extends User {
 	}
 	
 	public boolean hasPermission(String node) {
-		return hasPermission(node, false);
-	}
-	
-	public boolean hasPermission(String node, boolean defaultVal) {
-		if(node != null) {
-			data.setDefault(node, defaultVal);
+		Permission perm = Permission.of(node);
+		if(perm != null) {
+			data.setDefault(node, perm.getDefault());
 			data.save();
+			return data.getBoolean(node, false);
 		}
-		return data.getBoolean(node, false);
+		return false;
 	}
 	
 	public void setPermission(String node, boolean val) {
diff --git a/src/main/java/ren/taske/nativebot/minecraft/command/CommandQQ.java b/src/main/java/ren/taske/nativebot/minecraft/command/CommandQQ.java
new file mode 100644
index 0000000..c5ecb63
--- /dev/null
+++ b/src/main/java/ren/taske/nativebot/minecraft/command/CommandQQ.java
@@ -0,0 +1,58 @@
+package ren.taske.nativebot.minecraft.command;
+
+import org.bukkit.ChatColor;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+
+import ren.taske.data.util.ParseUtil;
+import ren.taske.nativebot.MinecraftPlugin;
+import ren.taske.nativebot.commons.Reference;
+import ren.taske.nativebot.core.profile.UserMinecraft;
+import ren.taske.nativebot.core.profile.UserTencent;
+
+public class CommandQQ implements CommandExecutor {
+
+	protected final MinecraftPlugin plugin;
+	
+	public CommandQQ(MinecraftPlugin plugin) {
+		this.plugin = plugin;
+	}
+	
+	@Override
+	public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
+		
+		if(args.length == 1) {
+			UserMinecraft um = UserMinecraft.of(sender.getName());
+			Long qqid = ParseUtil.parseLong(args[0]);
+			if(qqid != null) {
+				if(um.getTencentId() == -1L) {
+					um.setTencentId(qqid);
+					sender.sendMessage("Your Tencent userid now is " + qqid);
+				} else {
+					sender.sendMessage("You have set your Tencent userid!");
+				}
+				return true;
+			}
+		}
+		
+		if(args.length == 2) {
+			UserMinecraft um = UserMinecraft.of(args[1]);
+			UserTencent ut = UserTencent.of(um.getTencentId());
+			Long qqid = ParseUtil.parseLong(args[0]);
+			
+			if(ut.hasPermission(Reference.NODE_OP)) {
+				if(qqid != null) {
+					um.setTencentId(qqid);
+					sender.sendMessage(ChatColor.GOLD+um.getUserId()+ChatColor.RESET+"'s Tencent userid now is "+qqid);
+				}
+			} else {
+				sender.sendMessage("You have no permission!");
+			}
+			return true;
+		}
+		
+		return false;
+	}
+	
+}
diff --git a/src/main/resources/plugin.yml b/src/main/resources/plugin.yml
index c5a46a7..83a90e2 100644
--- a/src/main/resources/plugin.yml
+++ b/src/main/resources/plugin.yml
@@ -1,3 +1,10 @@
 name: NativeBot
 main: ren.taske.nativebot.MinecraftPlugin
-version: 1.0.0
\ No newline at end of file
+version: 1.0.0
+
+commands:
+  qq:
+    description: set your qq userid
+    usage: /qq <QQNumber> [MinecraftName]
+    permission: nativebot.qq
+    permission-message: You don't have permission!
\ No newline at end of file