diff --git a/src/main/java/pw/yumc/TeleportRandom/TeleportRandom.java b/src/main/java/pw/yumc/TeleportRandom/TeleportRandom.java
index e29d18b..6e962e8 100644
--- a/src/main/java/pw/yumc/TeleportRandom/TeleportRandom.java
+++ b/src/main/java/pw/yumc/TeleportRandom/TeleportRandom.java
@@ -1,8 +1,8 @@
 package pw.yumc.TeleportRandom;
 
-import java.util.HashSet;
+import java.util.HashMap;
+import java.util.Map;
 import java.util.Random;
-import java.util.Set;
 
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
@@ -22,7 +22,7 @@ public class TeleportRandom extends JavaPlugin implements CommandExecutor {
     public final static Random rr = new Random();
     public static FileConfig config;
 
-    private final Set<String> cd = new HashSet<>();
+    private final Map<String, Long> cd = new HashMap<>();
 
     @Override
     public boolean onCommand(final CommandSender sender, final Command cmd, final String string, final String[] args) {
@@ -88,54 +88,76 @@ public class TeleportRandom extends JavaPlugin implements CommandExecutor {
         if (world == null || p == null) {
             throw new IllegalArgumentException();
         }
-        if (!p.hasPermission("tpr.nocd") && cd.contains(p.getName())) {
-            p.sendMessage(getPrefix() + config.getMessage("Message.CD"));
-            return;
-        }
-        if (!config.getStringList("AllowWorld").contains(world.getName())) {
-            p.sendMessage(getPrefix() + config.getMessage("Message.NoPermWorld"));
-        }
-        int lr = config.getInt("default");
-        if (limit == 0) {
-            p.sendMessage(getPrefix() + config.getMessage("Message.default1"));
-            p.sendMessage(getPrefix() + config.getMessage("Message.default2"));
-        } else {
-            lr = limit;
-            final int lrLimit = config.getInt("Limit");
-            if (lr > lrLimit) {
-                lr = lrLimit;
-                p.sendMessage(String.format(getPrefix() + config.getMessage("Message.Wran"), lrLimit));
-            }
-        }
-        final Point point = new Point(lr, world);
-        checkBlock(point, p);
-        point.tp(p);
-        cd.add(p.getName());
-        getServer().getScheduler().runTaskLater(this, new Runnable() {
+        getServer().getScheduler().runTaskAsynchronously(this, new Runnable() {
             @Override
             public void run() {
-                cd.remove(p.getName());
+                final long t = System.currentTimeMillis();
+                if (!p.hasPermission("tpr.nocd") && cd.keySet().contains(p.getName())) {
+                    p.sendMessage(getPrefix() + config.getMessage("Message.CDs").replace("{0}", String.format("%0.2f", (t - cd.get(p.getName())) / 1000.00)));
+                    return;
+                }
+                if (!config.getStringList("AllowWorld").contains(world.getName())) {
+                    p.sendMessage(getPrefix() + config.getMessage("Message.NoPermWorld"));
+                    return;
+                }
+                int lr = config.getInt("default");
+                if (limit == 0) {
+                    p.sendMessage(getPrefix() + config.getMessage("Message.default1"));
+                    p.sendMessage(getPrefix() + config.getMessage("Message.default2"));
+                } else {
+                    lr = limit;
+                    final int lrLimit = config.getInt("Limit");
+                    if (lr > lrLimit) {
+                        lr = lrLimit;
+                        p.sendMessage(String.format(getPrefix() + config.getMessage("Message.Wran"), lrLimit));
+                    }
+                }
+                final Point point = new Point(lr, world);
+                getServer().getScheduler().runTask(TeleportRandom.this, new Runnable() {
+                    @Override
+                    public void run() {
+                        checkBlock(point, p);
+                        tp(point, p);
+                    }
+                });
+                cd.put(p.getName(), t);
+                getServer().getScheduler().runTaskLater(TeleportRandom.this, new Runnable() {
+                    @Override
+                    public void run() {
+                        cd.remove(p.getName());
+                    }
+                }, config.getLong("CD"));
             }
-        }, config.getLong("CD"));
+        });
+    }
+
+    public void tp(final Point point, final Player p) {
+        final Location loc = getTpLocation(point);
+        p.teleport(loc);
+        p.sendMessage(String.format(getPluginname() + config.getMessage("Message.Tip"), loc.getWorld().getName(), loc.getBlockX(), loc.getBlockY(), loc.getBlockZ()));
     }
 
     private void checkBlock(final Point point, final Player p) {
-        final Material rbm = point.getBlock().getType();
+        final Material rbm = getBlock(point).getType();
         final String blockname = rbm.name();
         for (final String protectblock : config.getStringList("ProtectBlock")) {
             if (protectblock.equalsIgnoreCase(blockname)) {
-                point.getBlock().setType(Material.GLASS);
+                getBlock(point).setType(Material.GLASS);
                 p.sendMessage(getPrefix() + config.getMessage("Message.Protect"));
                 this.getServer().getScheduler().runTaskLater(this, new Runnable() {
                     @Override
                     public void run() {
-                        point.getBlock().setType(rbm);
+                        getBlock(point).setType(rbm);
                     }
                 }, 200);
             }
         }
     }
 
+    private Block getBlock(final Point point) {
+        return new Location(point.world, point.x, point.world.getHighestBlockYAt(point.x, point.z) - 1, point.z).getBlock();
+    }
+
     private String getPluginname() {
         return config.getMessage("pluginname");
     }
@@ -148,9 +170,12 @@ public class TeleportRandom extends JavaPlugin implements CommandExecutor {
         return config.getMessage("servername");
     }
 
+    private Location getTpLocation(final Point point) {
+        return new Location(point.world, point.x, point.world.getHighestBlockYAt(point.x, point.z) + 3, point.z);
+    }
+
     class Point {
         public int x;
-        public int y;
         public int z;
         public int limit;
         public World world;
@@ -168,23 +193,6 @@ public class TeleportRandom extends JavaPlugin implements CommandExecutor {
             if (yf % 2 != 0) {
                 z = -z;
             }
-            y = world.getHighestBlockYAt(x, z);
-        }
-
-        public Block getBlock() {
-            return new Location(world, x, y - 1, z).getBlock();
-        }
-
-        public Location getTpLocation() {
-            return new Location(world, x, y + 3, z);
-        }
-
-        public void sendMessage(final Player p) {
-            p.sendMessage(String.format(getPluginname() + config.getMessage("Message.Tip"), world.getName(), x, y, z));
-        }
-
-        public void tp(final Player p) {
-            p.teleport(getTpLocation());
         }
     }
 }
diff --git a/src/main/resources/config.yml b/src/main/resources/config.yml
index 62cd7f7..c984146 100644
--- a/src/main/resources/config.yml
+++ b/src/main/resources/config.yml
@@ -1,5 +1,5 @@
 #本文件为随机传送插件的主配置文件
-Version: 1.4
+Version: 1.5
 #服务器名称
 servername: ''
 #插件名称
@@ -25,7 +25,7 @@ Message:
   #当前世界不允许传送
   NoPermWorld: '&c当前世界不允许使用随机传送！'
   #当前世界不允许传送
-  CD: '&c随机传送冷却中！'
+  CDs: '&c随机传送冷却中 剩余 {0} 秒！'
 #允许传送的世界(区分大小写)
 AllowWorld: 
   - world