diff --git a/src/main/java/pw/yumc/Yum/Yum.java b/src/main/java/pw/yumc/Yum/Yum.java
index 3428d8c..4db0a6b 100644
--- a/src/main/java/pw/yumc/Yum/Yum.java
+++ b/src/main/java/pw/yumc/Yum/Yum.java
@@ -8,6 +8,7 @@ import java.util.TimerTask;
 
 import org.bukkit.Bukkit;
 import org.bukkit.configuration.file.FileConfiguration;
+import org.bukkit.plugin.Plugin;
 import org.bukkit.plugin.java.JavaPlugin;
 
 import cn.citycraft.CommonData.UpdatePlugin;
@@ -15,6 +16,7 @@ import cn.citycraft.PluginHelper.kit.PluginKit;
 import cn.citycraft.PluginHelper.utils.VersionChecker;
 import pw.yumc.Yum.api.YumAPI;
 import pw.yumc.Yum.commands.FileCommand;
+import pw.yumc.Yum.commands.MonitorCommand;
 import pw.yumc.Yum.commands.NetCommand;
 import pw.yumc.Yum.commands.YumCommand;
 import pw.yumc.Yum.listeners.PluginNetworkListener;
@@ -43,6 +45,9 @@ public class Yum extends JavaPlugin {
     @Override
     public void onDisable() {
         NetworkManager.unregister();
+        for (final Plugin plugin : Bukkit.getPluginManager().getPlugins()) {
+            YumAPI.uninject(plugin);
+        }
     }
 
     @Override
@@ -54,6 +59,7 @@ public class Yum extends JavaPlugin {
         initCommands();
         initListeners();
         initRunnable();
+        initInject();
         new VersionChecker(this);
         YumAPI.updaterepo(Bukkit.getConsoleSender());
         YumAPI.updatecheck(Bukkit.getConsoleSender());
@@ -76,6 +82,14 @@ public class Yum extends JavaPlugin {
         new YumCommand(this);
         new NetCommand(this);
         new FileCommand(this);
+        new MonitorCommand(this);
+    }
+
+    private void initInject() {
+        for (final Plugin plugin : Bukkit.getPluginManager().getPlugins()) {
+            YumAPI.inject(plugin);
+        }
+        PluginKit.scp("§a性能监控系统已启用...");
     }
 
     /**
diff --git a/src/main/java/pw/yumc/Yum/api/YumAPI.java b/src/main/java/pw/yumc/Yum/api/YumAPI.java
index 6e60e78..b6a46a5 100644
--- a/src/main/java/pw/yumc/Yum/api/YumAPI.java
+++ b/src/main/java/pw/yumc/Yum/api/YumAPI.java
@@ -12,6 +12,7 @@ import org.bukkit.plugin.Plugin;
 
 import cn.citycraft.CommonData.UpdatePlugin;
 import cn.citycraft.PluginHelper.kit.PKit;
+import pw.yumc.Yum.inject.CommandInjector;
 import pw.yumc.Yum.managers.ConfigManager;
 import pw.yumc.Yum.managers.DownloadManager;
 import pw.yumc.Yum.managers.PluginsManager;
@@ -31,6 +32,20 @@ public class YumAPI {
     private static RepositoryManager repo;
     private static boolean runlock = false;
 
+    /**
+     * 初始化Yum管理中心
+     *
+     * @param plugin
+     *            插件实体
+     */
+    public YumAPI() {
+        YumAPI.main = PKit.instance;
+        plugman = new PluginsManager(main);
+        download = new DownloadManager(main);
+        repo = new RepositoryManager(main);
+        plugman.addIgnore(ConfigManager.i().getIgnoreList());
+    }
+
     /**
      * 删除插件
      *
@@ -81,6 +96,18 @@ public class YumAPI {
         return ulist;
     }
 
+    /**
+     * 注入性能监控器
+     *
+     * @param plugin
+     *            插件
+     */
+    public static void inject(final Plugin plugin) {
+        CommandInjector.inject(plugin);
+        // ListenerInjector.inject(plugin);
+        // TaskInjector.inject(plugin);
+    }
+
     /**
      * 安装新插件
      *
@@ -175,6 +202,18 @@ public class YumAPI {
         plugman.reload(plugin);
     }
 
+    /**
+     * 取消注入
+     *
+     * @param plugin
+     *            插件
+     */
+    public static void uninject(final Plugin plugin) {
+        CommandInjector.uninject(plugin);
+        // ListenerInjector.uninject(plugin);
+        // TaskInjector.uninject(plugin);
+    }
+
     /**
      * 卸载插件
      *
@@ -239,8 +278,9 @@ public class YumAPI {
                     sender.sendMessage("§d开始更新服务器可更新插件");
                     for (final Plugin updateplugin : ulist) {
                         sender.sendMessage("§d一键更新: §a开始更新" + updateplugin.getName() + "!");
-                        if (!updatefromyum(sender, updateplugin, null, true))
+                        if (!updatefromyum(sender, updateplugin, null, true)) {
                             failed++;
+                        }
                     }
                     if (failed != 0) {
                         sender.sendMessage("§d一键更新: §c升级过程中 §4" + failed + " §c个插件更新失败!");
@@ -354,18 +394,4 @@ public class YumAPI {
     public static void upgrade(final CommandSender sender, final Plugin plugin) {
         plugman.upgrade(sender, plugin);
     }
-
-    /**
-     * 初始化Yum管理中心
-     *
-     * @param plugin
-     *            插件实体
-     */
-    public YumAPI() {
-        YumAPI.main = PKit.instance;
-        plugman = new PluginsManager(main);
-        download = new DownloadManager(main);
-        repo = new RepositoryManager(main);
-        plugman.addIgnore(ConfigManager.i().getIgnoreList());
-    }
 }
diff --git a/src/main/java/pw/yumc/Yum/commands/FileCommand.java b/src/main/java/pw/yumc/Yum/commands/FileCommand.java
index 5df87e8..073211d 100644
--- a/src/main/java/pw/yumc/Yum/commands/FileCommand.java
+++ b/src/main/java/pw/yumc/Yum/commands/FileCommand.java
@@ -12,7 +12,6 @@ import cn.citycraft.PluginHelper.commands.InvokeSubCommand;
 import cn.citycraft.PluginHelper.utils.FileUtil;
 import pw.yumc.Yum.Yum;
 import pw.yumc.Yum.api.YumAPI;
-import pw.yumc.Yum.managers.DownloadManager;
 
 /**
  * File命令基类
@@ -22,11 +21,9 @@ import pw.yumc.Yum.managers.DownloadManager;
  */
 public class FileCommand implements HandlerCommands {
     Yum plugin;
-    DownloadManager dl;
 
     public FileCommand(final Yum yum) {
         plugin = yum;
-        dl = YumAPI.getDownload();
         final InvokeSubCommand cmdhandler = new InvokeSubCommand(yum, "file");
         cmdhandler.setAllCommandOnlyConsole(yum.getConfig().getBoolean("onlyFileCommandConsole", true));
         cmdhandler.registerCommands(this);
@@ -64,9 +61,9 @@ public class FileCommand implements HandlerCommands {
         if (args.length == 2) {
             file = new File(args[1]);
         } else {
-            file = new File(Bukkit.getUpdateFolderFile(), dl.getFileName(urlstr));
+            file = new File(Bukkit.getUpdateFolderFile(), YumAPI.getDownload().getFileName(urlstr));
         }
-        dl.run(e.getSender(), urlstr, file);
+        YumAPI.getDownload().run(e.getSender(), urlstr, file);
     }
 
     @HandlerCommand(name = "ls", aliases = { "l" }, description = "列出当前目录(服务器JAR为根目录)", possibleArguments = "<相对目录>")
diff --git a/src/main/java/pw/yumc/Yum/commands/MonitorCommand.java b/src/main/java/pw/yumc/Yum/commands/MonitorCommand.java
new file mode 100644
index 0000000..6324ea5
--- /dev/null
+++ b/src/main/java/pw/yumc/Yum/commands/MonitorCommand.java
@@ -0,0 +1,129 @@
+package pw.yumc.Yum.commands;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import org.bukkit.Bukkit;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.command.PluginCommand;
+import org.bukkit.command.SimpleCommandMap;
+import org.bukkit.command.TabCompleter;
+import org.bukkit.plugin.Plugin;
+import org.bukkit.plugin.PluginManager;
+import org.bukkit.scheduler.BukkitTask;
+
+import cn.citycraft.PluginHelper.commands.HandlerCommand;
+import cn.citycraft.PluginHelper.commands.HandlerCommands;
+import cn.citycraft.PluginHelper.commands.HandlerTabComplete;
+import cn.citycraft.PluginHelper.commands.InvokeCommandEvent;
+import cn.citycraft.PluginHelper.commands.InvokeSubCommand;
+import cn.citycraft.PluginHelper.ext.kit.Reflect;
+import cn.citycraft.PluginHelper.utils.StrKit;
+import pw.yumc.Yum.Yum;
+import pw.yumc.Yum.api.YumAPI;
+import pw.yumc.Yum.inject.CommandInjector;
+import pw.yumc.Yum.inject.TaskInjector;
+
+/**
+ *
+ * @since 2016年7月6日 下午5:13:32
+ * @author 喵♂呜
+ */
+public class MonitorCommand implements HandlerCommands {
+    Yum main;
+
+    public MonitorCommand(final Yum yum) {
+        main = yum;
+        final InvokeSubCommand cmdhandler = new InvokeSubCommand(yum, "monitor");
+        cmdhandler.setAllCommandOnlyConsole(yum.getConfig().getBoolean("onlyFileCommandConsole", true));
+        cmdhandler.registerCommands(this);
+    }
+
+    @HandlerCommand(name = "a")
+    public void a(final InvokeCommandEvent e) {
+
+    }
+
+    @HandlerCommand(name = "cmd", minimumArguments = 1, possibleArguments = "插件名称")
+    public void cmd(final InvokeCommandEvent e) {
+        final String pname = e.getArgs()[0];
+        final CommandSender sender = e.getSender();
+        if (Bukkit.getPluginManager().getPlugin(pname) == null) {
+            sender.sendMessage("§c插件不存在!");
+            return;
+        }
+        final PluginManager pluginManager = Bukkit.getPluginManager();
+        final SimpleCommandMap commandMap = Reflect.on(pluginManager).get("commandMap");
+        sender.sendMessage("§6插件 §b" + pname + " §6的命令能耗如下!");
+        final Map<String, Command> temp = new HashMap<>();
+        for (final Command command : commandMap.getCommands()) {
+            if (command instanceof PluginCommand) {
+                final PluginCommand pluginCommand = (PluginCommand) command;
+                final Plugin plugin = pluginCommand.getPlugin();
+                if (plugin.getName().equalsIgnoreCase(pname)) {
+                    temp.put(command.getName(), command);
+                }
+            }
+        }
+        for (final Entry<String, Command> command : temp.entrySet()) {
+            final CommandExecutor executor = Reflect.on(command.getValue()).get("executor");
+            if (executor instanceof CommandInjector) {
+                final CommandInjector injected = (CommandInjector) executor;
+                final StringBuffer str = new StringBuffer();
+                str.append("§6- §e" + command.getValue().getName() + " ");
+                str.append(String.format("§6总耗时: §a%.2f秒 ", injected.totalTime / 1000000.0));
+                str.append("§6执行次数: §b" + injected.count + "次 ");
+                if (injected.count != 0) {
+                    str.append(String.format("§6平均耗时: §d%.2f秒!", injected.totalTime / 1000000.0 / injected.count));
+                }
+                e.getSender().sendMessage(str.toString());
+            } else {
+                final TabCompleter completer = Reflect.on(command).get("completer");
+                final CommandInjector commandInjector = new CommandInjector(executor, completer);
+                Reflect.on(command).set("executor", commandInjector);
+                Reflect.on(command).set("completer", commandInjector);
+            }
+        }
+    }
+
+    @HandlerTabComplete()
+    public List<String> listtab(final InvokeCommandEvent e) {
+        final String[] args = e.getArgs();
+        return StrKit.copyPartialMatches(args[1], YumAPI.getPlugman().getPluginNames(false), new ArrayList<String>());
+    }
+
+    @HandlerCommand(name = "task")
+    public void task(final InvokeCommandEvent e) {
+        final String pname = e.getArgs()[0];
+        final CommandSender sender = e.getSender();
+        final Plugin plugin = Bukkit.getPluginManager().getPlugin(pname);
+        if (plugin == null) {
+            sender.sendMessage("§c插件不存在!");
+            return;
+        }
+        final List<BukkitTask> pendingTasks = Bukkit.getScheduler().getPendingTasks();
+        sender.sendMessage("§6插件 §b" + pname + " §6的任务能耗如下!");
+        for (final BukkitTask pendingTask : pendingTasks) {
+            final Runnable task = Reflect.on(pendingTask).get("task");
+            if (task instanceof TaskInjector) {
+                final TaskInjector executor = (TaskInjector) task;
+                final StringBuffer str = new StringBuffer();
+                str.append("§6- §e" + task.getClass().getSimpleName() + " ");
+                str.append(String.format("§6总耗时: §a%.2f秒 ", executor.totalTime / 1000000.0));
+                str.append("§6执行次数: §b" + executor.count + "次 ");
+                if (executor.count != 0) {
+                    str.append(String.format("§6平均耗时: §d%.2f秒!", executor.totalTime / 1000000.0 / executor.count));
+                }
+                e.getSender().sendMessage(str.toString());
+            } else {
+                final TaskInjector taskInjector = new TaskInjector(task);
+                Reflect.on(pendingTask).set("task", taskInjector);
+            }
+        }
+    }
+}
diff --git a/src/main/java/pw/yumc/Yum/commands/YumCommand.java b/src/main/java/pw/yumc/Yum/commands/YumCommand.java
index c2aa2b9..fb6a023 100644
--- a/src/main/java/pw/yumc/Yum/commands/YumCommand.java
+++ b/src/main/java/pw/yumc/Yum/commands/YumCommand.java
@@ -27,8 +27,6 @@ import cn.citycraft.PluginHelper.utils.StrKit;
 import pw.yumc.Yum.Yum;
 import pw.yumc.Yum.api.YumAPI;
 import pw.yumc.Yum.managers.ConfigManager;
-import pw.yumc.Yum.managers.PluginsManager;
-import pw.yumc.Yum.managers.RepositoryManager;
 import pw.yumc.Yum.models.RepoSerialization.Repositories;
 
 /**
@@ -39,13 +37,9 @@ import pw.yumc.Yum.models.RepoSerialization.Repositories;
  */
 public class YumCommand implements HandlerCommands, Listener {
     Yum main;
-    RepositoryManager repo;
-    PluginsManager plugman;
 
     public YumCommand(final Yum yum) {
         main = yum;
-        repo = YumAPI.getRepo();
-        plugman = YumAPI.getPlugman();
         Bukkit.getPluginManager().registerEvents(this, yum);
         final InvokeSubCommand cmdhandler = new InvokeSubCommand(yum, "yum");
         cmdhandler.setAllCommandOnlyConsole(yum.getConfig().getBoolean("onlyCommandConsole", false));
@@ -59,7 +53,7 @@ public class YumCommand implements HandlerCommands, Listener {
         final Plugin plugin = Bukkit.getServer().getPluginManager().getPlugin(pluginname);
         if (plugin != null) {
             final String version = StringUtils.substring(plugin.getDescription().getVersion(), 0, 15);
-            if (plugman.deletePlugin(sender, plugin)) {
+            if (YumAPI.getPlugman().deletePlugin(sender, plugin)) {
                 sender.sendMessage("§c删除: §a插件 §b" + pluginname + " §a版本 §d" + version + " §a已从服务器卸载并删除!");
             } else {
                 sender.sendMessage("§c删除: §a插件 §b" + pluginname + " §c卸载或删除时发生错误 删除失败!");
@@ -91,7 +85,7 @@ public class YumCommand implements HandlerCommands, Listener {
         final Plugin plugin = Bukkit.getServer().getPluginManager().getPlugin(pluginname);
         if (plugin != null) {
             final String version = StringUtils.substring(plugin.getDescription().getVersion(), 0, 15);
-            if (plugman.fullDeletePlugin(sender, plugin)) {
+            if (YumAPI.getPlugman().fullDeletePlugin(sender, plugin)) {
                 sender.sendMessage("§c删除: §a插件 §b" + pluginname + " §a版本 §d" + version + " §a已从服务器卸载并删除!");
             } else {
                 sender.sendMessage("§c删除: §c插件 §b" + pluginname + " §c卸载或删除时发生错误 删除失败!");
@@ -134,7 +128,7 @@ public class YumCommand implements HandlerCommands, Listener {
                     sender.sendMessage("§6 - §a" + perm.getName() + "§6 - §e" + (perm.getDescription().isEmpty() ? "无描述" : perm.getDescription()));
                 }
             }
-            sender.sendMessage("§6插件物理路径: §3" + plugman.getPluginFile(plugin).getAbsolutePath());
+            sender.sendMessage("§6插件物理路径: §3" + YumAPI.getPlugman().getPluginFile(plugin).getAbsolutePath());
         } else {
             sender.sendMessage(pnf(pluginname));
         }
@@ -167,7 +161,7 @@ public class YumCommand implements HandlerCommands, Listener {
         final CommandSender sender = e.getSender();
         sender.sendMessage("§6[Yum仓库]§3服务器已安装插件: ");
         for (final Plugin plugin : Bukkit.getPluginManager().getPlugins()) {
-            sender.sendMessage("§6- " + plugman.getFormattedName(plugin, true));
+            sender.sendMessage("§6- " + YumAPI.getPlugman().getFormattedName(plugin, true));
         }
     }
 
@@ -175,16 +169,16 @@ public class YumCommand implements HandlerCommands, Listener {
     public List<String> listtab(final InvokeCommandEvent e) {
         final String[] args = e.getArgs();
         if (args[0].equalsIgnoreCase("install") || args[0].equalsIgnoreCase("i")) {
-            return StrKit.copyPartialMatches(args[1], repo.getAllPluginName(), new ArrayList<String>());
+            return StrKit.copyPartialMatches(args[1], YumAPI.getRepo().getAllPluginName(), new ArrayList<String>());
         } else if (args[0].equalsIgnoreCase("repo")) {
             if (args.length == 2) {
                 return StrKit.copyPartialMatches(args[1], Arrays.asList(new String[] { "add", "all", "list", "delall", "clean", "update", "del" }), new ArrayList<String>());
             }
             if (args.length == 3 && (args[1] == "add" || args[1] == "del")) {
-                return StrKit.copyPartialMatches(args[2], repo.getRepos().keySet(), new ArrayList<String>());
+                return StrKit.copyPartialMatches(args[2], YumAPI.getRepo().getRepos().keySet(), new ArrayList<String>());
             }
         } else {
-            return StrKit.copyPartialMatches(args[1], plugman.getPluginNames(false), new ArrayList<String>());
+            return StrKit.copyPartialMatches(args[1], YumAPI.getPlugman().getPluginNames(false), new ArrayList<String>());
         }
         return null;
     }
@@ -195,7 +189,7 @@ public class YumCommand implements HandlerCommands, Listener {
         final String pluginname = e.getArgs()[0];
         final Plugin plugin = Bukkit.getServer().getPluginManager().getPlugin(pluginname);
         if (plugin == null) {
-            plugman.load(sender, pluginname);
+            YumAPI.getPlugman().load(sender, pluginname);
         } else {
             sender.sendMessage("§c错误: §a插件 §b" + pluginname + " §c已加载到服务器!");
         }
@@ -218,12 +212,12 @@ public class YumCommand implements HandlerCommands, Listener {
         }
         final String pluginname = e.getArgs()[0];
         if (pluginname.equalsIgnoreCase("all") || pluginname.equalsIgnoreCase("*")) {
-            plugman.reloadAll(sender);
+            YumAPI.getPlugman().reloadAll(sender);
             return;
         }
         final Plugin plugin = Bukkit.getServer().getPluginManager().getPlugin(pluginname);
         if (plugin != null) {
-            plugman.reload(sender, plugin);
+            YumAPI.getPlugman().reload(sender, plugin);
         } else {
             sender.sendMessage(pnf(pluginname));
         }
@@ -240,8 +234,8 @@ public class YumCommand implements HandlerCommands, Listener {
                 switch (cmd) {
                 case "add":
                     if (args.length == 2) {
-                        if (repo.addRepositories(sender, args[1])) {
-                            final String reponame = repo.getRepoCache(args[1]).name;
+                        if (YumAPI.getRepo().addRepositories(sender, args[1])) {
+                            final String reponame = YumAPI.getRepo().getRepoCache(args[1]).name;
                             sender.sendMessage("§6仓库: §a源仓库 §e" + reponame + " §a的插件信息已缓存!");
                         } else {
                             sender.sendMessage("§6仓库: §c源地址未找到仓库信息或当前地址已缓存!");
@@ -252,9 +246,9 @@ public class YumCommand implements HandlerCommands, Listener {
                     break;
                 case "del":
                     if (args.length == 2) {
-                        final Repositories delrepo = repo.getRepoCache(args[1]);
+                        final Repositories delrepo = YumAPI.getRepo().getRepoCache(args[1]);
                         if (delrepo != null) {
-                            repo.delRepositories(sender, args[1]);
+                            YumAPI.getRepo().delRepositories(sender, args[1]);
                             sender.sendMessage("§6仓库: §a源仓库 §e" + delrepo.name + " §c已删除 §a请使用 §b/yum repo update §a更新缓存!");
                         } else {
                             sender.sendMessage("§6仓库: §c源地址未找到!");
@@ -264,23 +258,23 @@ public class YumCommand implements HandlerCommands, Listener {
                     }
                     break;
                 case "delall":
-                    repo.getRepoCache().getRepos().clear();
+                    YumAPI.getRepo().getRepoCache().getRepos().clear();
                     sender.sendMessage("§6仓库: §a缓存的仓库信息已清理!");
                     break;
                 case "list":
                     sender.sendMessage("§6仓库: §b缓存的插件信息如下 ");
-                    StrKit.sendStringArray(sender, repo.getAllPluginsInfo());
+                    StrKit.sendStringArray(sender, YumAPI.getRepo().getAllPluginsInfo());
                     break;
                 case "all":
                     sender.sendMessage("§6仓库: §b缓存的仓库信息如下 ");
-                    StrKit.sendStringArray(sender, repo.getRepoCache().getAllRepoInfo());
+                    StrKit.sendStringArray(sender, YumAPI.getRepo().getRepoCache().getAllRepoInfo());
                     break;
                 case "clean":
-                    repo.clean();
+                    YumAPI.getRepo().clean();
                     sender.sendMessage("§6仓库: §a缓存的插件信息已清理!");
                     break;
                 case "update":
-                    repo.updateRepositories(sender);
+                    YumAPI.getRepo().updateRepositories(sender);
                     sender.sendMessage("§6仓库: §a仓库缓存数据已更新!");
                     break;
                 }
@@ -335,7 +329,7 @@ public class YumCommand implements HandlerCommands, Listener {
         final CommandSender sender = e.getSender();
         final Plugin plugin = Bukkit.getServer().getPluginManager().getPlugin(pluginname);
         if (plugin != null) {
-            plugman.unload(sender, plugin);
+            YumAPI.getPlugman().unload(sender, plugin);
         } else {
             sender.sendMessage(pnf(pluginname));
         }
@@ -347,7 +341,7 @@ public class YumCommand implements HandlerCommands, Listener {
         final CommandSender sender = e.getSender();
         switch (args.length) {
         case 0:
-            repo.updateRepositories(sender);
+            YumAPI.getRepo().updateRepositories(sender);
             sender.sendMessage("§6仓库: §a仓库缓存数据已更新!");
             break;
         case 1:
@@ -393,7 +387,7 @@ public class YumCommand implements HandlerCommands, Listener {
             @Override
             public void run() {
                 if (args.length == 0) {
-                    plugman.upgrade(sender);
+                    YumAPI.getPlugman().upgrade(sender);
                 } else {
                     final String pluginname = args[0];
                     final Plugin plugin = Bukkit.getServer().getPluginManager().getPlugin(pluginname);
diff --git a/src/main/java/pw/yumc/Yum/inject/CommandInjector.java b/src/main/java/pw/yumc/Yum/inject/CommandInjector.java
new file mode 100644
index 0000000..0db2ea8
--- /dev/null
+++ b/src/main/java/pw/yumc/Yum/inject/CommandInjector.java
@@ -0,0 +1,108 @@
+package pw.yumc.Yum.inject;
+
+import java.util.List;
+
+import org.bukkit.Bukkit;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.command.PluginCommand;
+import org.bukkit.command.SimpleCommandMap;
+import org.bukkit.command.TabCompleter;
+import org.bukkit.command.TabExecutor;
+import org.bukkit.plugin.Plugin;
+import org.bukkit.plugin.PluginManager;
+
+import cn.citycraft.PluginHelper.ext.kit.Reflect;
+import cn.citycraft.PluginHelper.kit.PluginKit;
+
+public class CommandInjector implements TabExecutor {
+
+    private final CommandExecutor originalExecutor;
+    private final TabCompleter originalCompleter;
+
+    public long totalTime;
+    public long count;
+
+    public CommandInjector(final CommandExecutor originalCommandExecutor, final TabCompleter originalTabCompleter) {
+        this.originalExecutor = originalCommandExecutor;
+        this.originalCompleter = originalTabCompleter;
+    }
+
+    public static void inject(final Plugin toInjectPlugin) {
+        final PluginManager pluginManager = Bukkit.getPluginManager();
+        final SimpleCommandMap commandMap = Reflect.on(pluginManager).get("commandMap");
+        for (final Command command : commandMap.getCommands()) {
+            if (command instanceof PluginCommand) {
+                final PluginCommand pluginCommand = (PluginCommand) command;
+                final Plugin plugin = pluginCommand.getPlugin();
+                if (plugin.equals(toInjectPlugin)) {
+                    final CommandExecutor executor = Reflect.on(command).get("executor");
+                    if (executor instanceof CommandInjector) {
+                        return;
+                    }
+                    final TabCompleter completer = Reflect.on(command).get("completer");
+                    final CommandInjector commandInjector = new CommandInjector(executor, completer);
+                    Reflect.on(command).set("executor", commandInjector);
+                    Reflect.on(command).set("completer", commandInjector);
+                }
+            }
+        }
+        PluginKit.scp("§a注入命令性能监控到 " + toInjectPlugin.getName());
+    }
+
+    public static void uninject(final Plugin toUninject) {
+        final PluginManager pluginManager = Bukkit.getPluginManager();
+        final SimpleCommandMap commandMap = Reflect.on(pluginManager).get("commandMap");
+        for (final Command command : commandMap.getCommands()) {
+            if (command instanceof PluginCommand) {
+                final PluginCommand pluginCommand = (PluginCommand) command;
+                final Plugin plugin = pluginCommand.getPlugin();
+                if (plugin.equals(toUninject)) {
+                    final CommandExecutor executor = Reflect.on(command).get("executor");
+                    if (executor instanceof CommandInjector) {
+                        final CommandInjector injected = (CommandInjector) executor;
+                        Reflect.on(command).set("executor", injected.getOriginalExecutor());
+                    }
+                    final TabCompleter completer = Reflect.on(command).get("completer");
+                    if (completer instanceof CommandInjector) {
+                        final CommandInjector injected = (CommandInjector) completer;
+                        Reflect.on(command).set("completer", injected.getOriginalCompleter());
+                    }
+                }
+            }
+        }
+    }
+
+    public TabCompleter getOriginalCompleter() {
+        return originalCompleter;
+    }
+
+    public CommandExecutor getOriginalExecutor() {
+        return originalExecutor;
+    }
+
+    @Override
+    public boolean onCommand(final CommandSender sender, final Command command, final String label, final String[] args) {
+        final long start = System.nanoTime();
+        // todo add a more aggressive 10 ms cpu sample
+        final boolean result = originalExecutor.onCommand(sender, command, label, args);
+        final long end = System.nanoTime();
+
+        totalTime += end - start;
+        count++;
+        return result;
+    }
+
+    @Override
+    public List<String> onTabComplete(final CommandSender sender, final Command command, final String alias, final String[] args) {
+        final long start = System.nanoTime();
+        // todo add a more aggressive 10 ms cpu sample
+        final List<String> result = originalCompleter.onTabComplete(sender, command, alias, args);
+        final long end = System.nanoTime();
+
+        totalTime += end - start;
+        count++;
+        return result;
+    }
+}
diff --git a/src/main/java/pw/yumc/Yum/inject/ListenerInjector.java b/src/main/java/pw/yumc/Yum/inject/ListenerInjector.java
new file mode 100644
index 0000000..98c6103
--- /dev/null
+++ b/src/main/java/pw/yumc/Yum/inject/ListenerInjector.java
@@ -0,0 +1,61 @@
+package pw.yumc.Yum.inject;
+
+import java.util.List;
+
+import org.bukkit.event.Event;
+import org.bukkit.event.EventException;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.Listener;
+import org.bukkit.plugin.EventExecutor;
+import org.bukkit.plugin.Plugin;
+import org.bukkit.plugin.RegisteredListener;
+
+import cn.citycraft.PluginHelper.ext.kit.Reflect;
+
+public class ListenerInjector implements EventExecutor {
+
+    private final EventExecutor originalExecutor;
+
+    public long totalTime;
+    public long count;
+
+    public ListenerInjector(final EventExecutor originalExecutor) {
+        this.originalExecutor = originalExecutor;
+    }
+
+    public static void inject(final Plugin plugin) {
+        final List<RegisteredListener> listeners = HandlerList.getRegisteredListeners(plugin);
+        for (final RegisteredListener listener : listeners) {
+            final EventExecutor originalExecutor = Reflect.on(listener).get("executor");
+            final ListenerInjector listenerInjector = new ListenerInjector(originalExecutor);
+            Reflect.on(listener).set("executor", listenerInjector);
+        }
+    }
+
+    public static void uninject(final Plugin plugin) {
+        final List<RegisteredListener> listeners = HandlerList.getRegisteredListeners(plugin);
+        for (final RegisteredListener listener : listeners) {
+            final ListenerInjector executor = Reflect.on(listener).get("executor");
+            Reflect.on(listener).set("executor", executor.getOriginalExecutor());
+        }
+    }
+
+    @Override
+    public void execute(final Listener listener, final Event event) throws EventException {
+        if (!event.isAsynchronous()) {
+            final long start = System.nanoTime();
+            // todo add a more aggressive 10 ms cpu sample
+            originalExecutor.execute(listener, event);
+            final long end = System.nanoTime();
+
+            totalTime += end - start;
+            count++;
+        } else {
+            originalExecutor.execute(listener, event);
+        }
+    }
+
+    public EventExecutor getOriginalExecutor() {
+        return originalExecutor;
+    }
+}
diff --git a/src/main/java/pw/yumc/Yum/inject/TaskInjector.java b/src/main/java/pw/yumc/Yum/inject/TaskInjector.java
new file mode 100644
index 0000000..cdab525
--- /dev/null
+++ b/src/main/java/pw/yumc/Yum/inject/TaskInjector.java
@@ -0,0 +1,64 @@
+package pw.yumc.Yum.inject;
+
+import java.util.List;
+
+import org.bukkit.Bukkit;
+import org.bukkit.plugin.Plugin;
+import org.bukkit.scheduler.BukkitScheduler;
+import org.bukkit.scheduler.BukkitTask;
+
+import cn.citycraft.PluginHelper.ext.kit.Reflect;
+
+public class TaskInjector implements Runnable {
+
+    private final Runnable originalTask;
+
+    public long totalTime;
+    public long count;
+
+    public TaskInjector(final Runnable originalTask) {
+        this.originalTask = originalTask;
+    }
+
+    // sadly it works only with interval tasks
+    // for single runs we would have to register a dynamic proxy
+    public static void inject(final Plugin plugin) {
+        final BukkitScheduler scheduler = Bukkit.getScheduler();
+        final List<BukkitTask> pendingTasks = scheduler.getPendingTasks();
+        for (final BukkitTask pendingTask : pendingTasks) {
+            // we could ignore async tasks for now
+            if (pendingTask.isSync() && pendingTask.getOwner().equals(plugin)) {
+                final Runnable originalTask = Reflect.on(pendingTask).get("task");
+                final TaskInjector taskInjector = new TaskInjector(originalTask);
+                Reflect.on(pendingTask).set("task", taskInjector);
+            }
+        }
+    }
+
+    public static void uninject(final Plugin plugin) {
+        final BukkitScheduler scheduler = Bukkit.getScheduler();
+        final List<BukkitTask> pendingTasks = scheduler.getPendingTasks();
+        for (final BukkitTask pendingTask : pendingTasks) {
+            // we could ignore async tasks for now
+            if (pendingTask.isSync() && pendingTask.getOwner().equals(plugin)) {
+                final TaskInjector originalTask = Reflect.on(pendingTask).get("task");
+                Reflect.on(pendingTask).set("task", originalTask.getOriginalTask());
+            }
+        }
+    }
+
+    public Runnable getOriginalTask() {
+        return originalTask;
+    }
+
+    @Override
+    public void run() {
+        final long start = System.nanoTime();
+        // todo add a more aggressive 10 ms cpu sample
+        originalTask.run();
+        final long end = System.nanoTime();
+
+        totalTime += end - start;
+        count++;
+    }
+}
diff --git a/src/main/java/pw/yumc/Yum/listeners/PluginListener.java b/src/main/java/pw/yumc/Yum/listeners/PluginListener.java
new file mode 100644
index 0000000..7474521
--- /dev/null
+++ b/src/main/java/pw/yumc/Yum/listeners/PluginListener.java
@@ -0,0 +1,32 @@
+package pw.yumc.Yum.listeners;
+
+import org.bukkit.Bukkit;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.server.PluginDisableEvent;
+import org.bukkit.event.server.PluginEnableEvent;
+
+import cn.citycraft.PluginHelper.kit.PKit;
+import pw.yumc.Yum.api.YumAPI;
+
+/**
+ *
+ * @since 2016年7月6日 下午6:44:16
+ * @author 喵♂呜
+ */
+public class PluginListener implements Listener {
+
+    public PluginListener() {
+        Bukkit.getPluginManager().registerEvents(this, PKit.i());
+    }
+
+    @EventHandler
+    public void onPluginDisable(final PluginDisableEvent e) {
+        YumAPI.uninject(e.getPlugin());
+    }
+
+    @EventHandler
+    public void onPluginEnable(final PluginEnableEvent e) {
+        YumAPI.inject(e.getPlugin());
+    }
+}
diff --git a/src/main/java/pw/yumc/Yum/listeners/ThreadSafetyListener.java b/src/main/java/pw/yumc/Yum/listeners/ThreadSafetyListener.java
index 35f6010..b107b7f 100644
--- a/src/main/java/pw/yumc/Yum/listeners/ThreadSafetyListener.java
+++ b/src/main/java/pw/yumc/Yum/listeners/ThreadSafetyListener.java
@@ -15,7 +15,9 @@ import org.bukkit.event.world.ChunkUnloadEvent;
 import org.bukkit.event.world.WorldLoadEvent;
 import org.bukkit.event.world.WorldSaveEvent;
 import org.bukkit.event.world.WorldUnloadEvent;
+import org.bukkit.plugin.Plugin;
 
+import cn.citycraft.PluginHelper.kit.PluginKit;
 import pw.yumc.Yum.Yum;
 
 /**
@@ -87,7 +89,10 @@ public class ThreadSafetyListener implements Listener {
     private void checkSafety(final Event eventType) {
         if (Yum.mainThread != null && Thread.currentThread() != Yum.mainThread && !eventType.isAsynchronous()) {
             final String eventName = eventType.getEventName();
-            throw new IllegalAccessError("[Yum 线程安全]: 请勿异步调用一个同步事件 " + eventName);
+            final Plugin plugin = PluginKit.getOperatePlugin();
+            if (plugin != null) {
+                throw new IllegalAccessError("[Yum 线程安全]: 请勿异步调用一个同步事件 " + eventName + " 操作插件: " + plugin.getName());
+            }
         }
     }
 }
diff --git a/src/main/java/pw/yumc/Yum/models/PluginInfo.java b/src/main/java/pw/yumc/Yum/models/PluginInfo.java
index cf453ed..7e77b6d 100644
--- a/src/main/java/pw/yumc/Yum/models/PluginInfo.java
+++ b/src/main/java/pw/yumc/Yum/models/PluginInfo.java
@@ -6,13 +6,23 @@ import org.bukkit.Bukkit;
 import org.bukkit.command.CommandSender;
 
 import cn.citycraft.PluginHelper.PluginHelperLogger;
+import cn.citycraft.PluginHelper.kit.PKit;
 import cn.citycraft.PluginHelper.utils.IOUtil;
 import pw.yumc.Yum.models.RepoSerialization.Plugin;
 import pw.yumc.Yum.models.RepoSerialization.TagInfo;
 import pw.yumc.Yum.models.RepoSerialization.URLType;
 
 public class PluginInfo implements Serializable {
-    public static final String NMSVersion = Bukkit.getServer().getClass().getPackage().getName().split("\\.")[3];
+    public static String NMSVersion;
+
+    static {
+        try {
+            NMSVersion = Bukkit.getServer().getClass().getPackage().getName().split("\\.")[3];
+        } catch (final Exception e) {
+            PKit.i().getLogger().warning("服务器NMS解析失败: " + Bukkit.getServer().getClass().getPackage().getName());
+            NMSVersion = "NONMS";
+        }
+    }
 
     public String branch;
     public String name;
@@ -78,10 +88,7 @@ public class PluginInfo implements Serializable {
      * @return 更新地址
      */
     public String getMavenUrl(final String ver) {
-        return String.format(url + (url.endsWith("/") ? "" : "/") + "%1$s/%2$s/%3$s/%2$s-%3$s.jar",
-                plugin.groupId.replace(".", "/"),
-                plugin.artifactId,
-                (ver == null || ver.isEmpty()) ? plugin.version : ver);
+        return String.format(url + (url.endsWith("/") ? "" : "/") + "%1$s/%2$s/%3$s/%2$s-%3$s.jar", plugin.groupId.replace(".", "/"), plugin.artifactId, (ver == null || ver.isEmpty()) ? plugin.version : ver);
     }
 
     public String getUrl(final CommandSender sender, final String version) {
diff --git a/src/main/resources/monitor.yml b/src/main/resources/monitor.yml
new file mode 100644
index 0000000..e69de29
diff --git a/src/main/resources/plugin.yml b/src/main/resources/plugin.yml
index 62888ce..77a52fa 100644
--- a/src/main/resources/plugin.yml
+++ b/src/main/resources/plugin.yml
@@ -30,6 +30,12 @@ commands:
     usage: §6使用§a/security help§6查看帮助!
     permission: security.use
     permission-message: §c你没有 <permission> 的权限来执行此命令!
+  monitor: 
+    description: MC系统监控命令
+    aliases: [m]
+    usage: §6使用§a/monitor help§6查看帮助!
+    permission: monitor.use
+    permission-message: §c你没有 <permission> 的权限来执行此命令!
 permissions:
   yum.use:
     description: 插件管理系统使用权限!