diff --git a/src/main/java/pw/yumc/MiaoBoard/MiaoBoard.java b/src/main/java/pw/yumc/MiaoBoard/MiaoBoard.java
index bc27450..93c6560 100644
--- a/src/main/java/pw/yumc/MiaoBoard/MiaoBoard.java
+++ b/src/main/java/pw/yumc/MiaoBoard/MiaoBoard.java
@@ -10,6 +10,7 @@ import pw.yumc.YumCore.commands.CommandArgument;
 import pw.yumc.YumCore.commands.CommandExecutor;
 import pw.yumc.YumCore.commands.CommandManager;
 import pw.yumc.YumCore.commands.annotation.Cmd;
+import pw.yumc.YumCore.commands.annotation.Cmd.Executor;
 import pw.yumc.YumCore.commands.annotation.Help;
 import pw.yumc.YumCore.commands.annotation.Sort;
 
@@ -26,7 +27,7 @@ public class MiaoBoard extends JavaPlugin implements CommandExecutor {
         return scoreBoardManager;
     }
 
-    @Cmd(permission = "mb.toggle")
+    @Cmd(permission = "mb.toggle", executor = Executor.PLAYER)
     @Help("关闭记分板")
     @Sort(2)
     public void off(final CommandArgument e) {
@@ -34,7 +35,7 @@ public class MiaoBoard extends JavaPlugin implements CommandExecutor {
         Log.toSender(e.getSender(), "§c记分板已关闭!");
     }
 
-    @Cmd(permission = "mb.toggle")
+    @Cmd(permission = "mb.toggle", executor = Executor.PLAYER)
     @Help("打开记分板")
     @Sort(1)
     public void on(final CommandArgument e) {
diff --git a/src/main/java/pw/yumc/MiaoBoard/config/MiaoBoardConfig.java b/src/main/java/pw/yumc/MiaoBoard/config/MiaoBoardConfig.java
index a5abf34..4eda9f8 100644
--- a/src/main/java/pw/yumc/MiaoBoard/config/MiaoBoardConfig.java
+++ b/src/main/java/pw/yumc/MiaoBoard/config/MiaoBoardConfig.java
@@ -13,8 +13,8 @@ import pw.yumc.YumCore.config.InjectConfig;
  */
 public class MiaoBoardConfig extends InjectConfig {
     public transient static MiaoBoardConfig instance = new MiaoBoardConfig();
-    private Integer UpdateTime;
-    private List<String> DisableWorld;
+    public Integer UpdateTime;
+    public List<String> DisableWorld = Collections.emptyList();
 
     public static MiaoBoardConfig i() {
         return instance;
@@ -23,15 +23,4 @@ public class MiaoBoardConfig extends InjectConfig {
     public static void reInject() {
         instance.reload();
     }
-
-    public List<String> getDisableWorld() {
-        if (DisableWorld == null) {
-            DisableWorld = Collections.emptyList();
-        }
-        return DisableWorld;
-    }
-
-    public Integer getUpdateTime() {
-        return UpdateTime;
-    }
 }
diff --git a/src/main/java/pw/yumc/MiaoBoard/listener/PlayerListener.java b/src/main/java/pw/yumc/MiaoBoard/listener/PlayerListener.java
index 31796f4..905c3ec 100644
--- a/src/main/java/pw/yumc/MiaoBoard/listener/PlayerListener.java
+++ b/src/main/java/pw/yumc/MiaoBoard/listener/PlayerListener.java
@@ -9,6 +9,7 @@ import org.bukkit.event.player.PlayerQuitEvent;
 
 import pw.yumc.MiaoBoard.MiaoBoard;
 import pw.yumc.MiaoBoard.config.MiaoBoardConfig;
+import pw.yumc.MiaoBoard.scoreboard.ScoreBoardManager;
 import pw.yumc.YumCore.bukkit.P;
 import pw.yumc.YumCore.statistic.Statistics;
 import pw.yumc.YumCore.update.SubscribeTask;
@@ -21,6 +22,7 @@ import pw.yumc.YumCore.update.SubscribeTask;
  */
 public class PlayerListener implements Listener {
     MiaoBoard plugin = P.getPlugin();
+    ScoreBoardManager manager = plugin.getScoreBoardManager();
 
     public PlayerListener() {
         Bukkit.getPluginManager().registerEvents(this, plugin);
@@ -30,20 +32,20 @@ public class PlayerListener implements Listener {
 
     @EventHandler
     public void onPlayerChangeWorld(final PlayerChangedWorldEvent e) {
-        if (MiaoBoardConfig.i().getDisableWorld().contains(e.getPlayer().getWorld().getName())) {
-            plugin.getScoreBoardManager().getSidebarBoard().removeTarget(e.getPlayer());
+        if (MiaoBoardConfig.i().DisableWorld.contains(e.getPlayer().getWorld().getName())) {
+            manager.removeTarget(e.getPlayer());
         } else {
-            plugin.getScoreBoardManager().getSidebarBoard().addTarget(e.getPlayer());
+            manager.addTarget(e.getPlayer());
         }
     }
 
     @EventHandler
     public void onPlayerJoin(final PlayerJoinEvent e) {
-        plugin.getScoreBoardManager().addTarget(e.getPlayer());
+        manager.addTarget(e.getPlayer());
     }
 
     @EventHandler
     public void onPlayerQuit(final PlayerQuitEvent e) {
-        plugin.getScoreBoardManager().getSidebarBoard().removeTarget(e.getPlayer());
+        manager.removeTarget(e.getPlayer());
     }
 }
diff --git a/src/main/java/pw/yumc/MiaoBoard/scoreboard/ScoreBoardManager.java b/src/main/java/pw/yumc/MiaoBoard/scoreboard/ScoreBoardManager.java
index 07c9dc2..00a2264 100644
--- a/src/main/java/pw/yumc/MiaoBoard/scoreboard/ScoreBoardManager.java
+++ b/src/main/java/pw/yumc/MiaoBoard/scoreboard/ScoreBoardManager.java
@@ -35,7 +35,7 @@ public class ScoreBoardManager {
     }
 
     public void addTarget(final Player player) {
-        if (!MiaoBoardConfig.i().getDisableWorld().contains(player.getWorld().getName())) {
+        if (!MiaoBoardConfig.i().DisableWorld.contains(player.getWorld().getName())) {
             getSidebarBoard().addTarget(player);
         }
     }
@@ -63,8 +63,12 @@ public class ScoreBoardManager {
         start();
     }
 
+    public void removeTarget(final Player player) {
+        sbd.removeTarget(player);
+    }
+
     public void start() {
-        sbd.update(cot.set(true), MiaoBoardConfig.i().getUpdateTime());
+        sbd.update(cot.set(true), MiaoBoardConfig.i().UpdateTime);
         for (final Player player : C.Player.getOnlinePlayers()) {
             addTarget(player);
         }
diff --git a/src/main/java/pw/yumc/MiaoBoard/scoreboard/core/Board.java b/src/main/java/pw/yumc/MiaoBoard/scoreboard/core/Board.java
index cbf7b36..76c1e8b 100644
--- a/src/main/java/pw/yumc/MiaoBoard/scoreboard/core/Board.java
+++ b/src/main/java/pw/yumc/MiaoBoard/scoreboard/core/Board.java
@@ -45,7 +45,7 @@ public abstract class Board implements Iterable<Player> {
             plugin.getServer().getScheduler().cancelTask(taskId);
             taskId = 0;
             for (final Player player : this.targets.keySet()) {
-                player.setScoreboard(Bukkit.getScoreboardManager().getNewScoreboard());
+                player.setScoreboard(Bukkit.getScoreboardManager().getMainScoreboard());
             }
             this.targets.clear();
             this.removeQueue.clear();
@@ -85,7 +85,7 @@ public abstract class Board implements Iterable<Player> {
 
     public boolean removeTarget(final Player player) {
         if (this.isTarget(player)) {
-            player.setScoreboard(Bukkit.getScoreboardManager().getNewScoreboard());
+            player.setScoreboard(Bukkit.getScoreboardManager().getMainScoreboard());
             return this.removeQueue.add(player);
         }
         return false;
@@ -93,7 +93,6 @@ public abstract class Board implements Iterable<Player> {
 
     public void update(final Condition condition, final int interval) {
         taskId = plugin.getServer().getScheduler().runTaskTimer(plugin, new Runnable() {
-
             @Override
             public void run() {
                 if (condition.get()) {
diff --git a/src/main/java/pw/yumc/MiaoBoard/scoreboard/core/SidebarBoard.java b/src/main/java/pw/yumc/MiaoBoard/scoreboard/core/SidebarBoard.java
index 9637244..76aa6f0 100644
--- a/src/main/java/pw/yumc/MiaoBoard/scoreboard/core/SidebarBoard.java
+++ b/src/main/java/pw/yumc/MiaoBoard/scoreboard/core/SidebarBoard.java
@@ -4,6 +4,7 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.TreeMap;
 
+import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
 import org.bukkit.entity.Player;
 import org.bukkit.plugin.Plugin;
@@ -49,7 +50,7 @@ public class SidebarBoard extends Board {
             title = this.getUpdateFunction().getTitleFunction().run(player);
         }
         if (title == null) {
-            this.removeTarget(player);
+            player.setScoreboard(Bukkit.getScoreboardManager().getMainScoreboard());
             return;
         }
         final List<String> newContents = this.getUpdateFunction().getBodyFunction().run(player);