diff --git a/src/main/resources/modules/bukkit.js b/src/main/resources/modules/bukkit.js
index 259828f..0b597b3 100644
--- a/src/main/resources/modules/bukkit.js
+++ b/src/main/resources/modules/bukkit.js
@@ -22,9 +22,14 @@ exports.nmsCls = function (name) {
 /**
  * 获取在线玩家
  */
-exports.players = function (func) {
-    return Bukkit.onlinePlayers.forEach(func);
-};
+exports.players = function(){
+    switch (arguments.length) {
+        case 1:
+            return Bukkit.onlinePlayers.forEach(arguments[0]);
+        default:
+            return Bukkit.onlinePlayers;
+    }
+}
 /**
  * 插件管理
  * @type {{manager: *, get: exports.plugin.get, load: exports.plugin.load}}
diff --git a/src/main/resources/modules/command.js b/src/main/resources/modules/command.js
index 8078864..06364b9 100644
--- a/src/main/resources/modules/command.js
+++ b/src/main/resources/modules/command.js
@@ -5,45 +5,55 @@
 
 /*global Java, base, module, exports, require, __FILE__*/
 var plugin = base.plugin;
-var bukkit = require('./bukkit');
 var ref = require('core/reflect');
-var lookupNames = ref.on(bukkit.plugin.manager).get('lookupNames').get();
-var knownCommands = ref.on(bukkit.plugin.manager).get('commandMap').get('knownCommands').get();
+var bukkit = require('./bukkit');
+var commandMap = ref.on(bukkit.plugin.manager).get('commandMap').get();
 var PluginCommand = Java.type('org.bukkit.command.PluginCommand');
 
 var Arrays = Java.type('java.util.Arrays')
 
-function create(jsp, name) {
-    var cmd = ref.on(PluginCommand).create(name, plugin).get();
-    register(jsp, name, cmd);
-    return cmd;
+function init(jsp){
+    var commands = jsp.description.commands;
+    if(commands){
+        var pluginCmds = [];
+        for (var name in commands){
+            var command = commands[name];
+            if (typeof command !== 'object') continue;
+            var newCmd = create(jsp, name);
+            if (command.description) newCmd.setDescription(command.description);
+            if (command.usage) newCmd.setUsage(command.usage);
+            if (command.aliases) newCmd.setAliases(Arrays.asList(command.aliases));
+            if (command.permission) newCmd.setPermission(command.permission);
+            if (command['permission-message']) newCmd.setPermissionMessage(command['permission-message']);
+            pluginCmds.push(newCmd);
+            log.d('插件 %s 注册命令 %s ...', jsp.description.name, name);
+        }
+        commandMap.registerAll(jsp.description.name, Arrays.asList(pluginCmds));
+    }
 }
 
-function register(jsp, name, cmd) {
-    if (name.isEmpty()) {
-        return;
-    }
-    knownCommands.put(name, cmd);
-    knownCommands.computeIfAbsent(jsp.description.name + ":" + name, function () {
-        return cmd;
-    });
-    knownCommands.computeIfAbsent('ms:' + jsp.description.name + ":" + name, function () {
-        return cmd;
-    });
-    lookupNames.put(name, plugin);
+function get(name) {
+    return commandMap.getCommand(name);
+}
+
+function create(jsp, name) {
+    return ref.on(PluginCommand).create(name, plugin).get();
+}
+
+function register(jsp, cmd){
+    commandMap.register(jsp.description.name, cmd);
 }
 
 // var exec = {
-//     onCommand: function (sender, cmd, command, args) {
+//     cmd: function (sender, command, args) {
 //
 //     },
-//     onTabComplete: function (sender, cmd, command, args) {
+//     tab: function (sender, command, args) {
 //
 //     }
 // };
-
-exports.on = function (jsp, name, exec) {
-    var c = create(jsp, name);
+function on(jsp, name, exec) {
+    var c = get(name) || create(jsp, name);
     if (exec.cmd) {
         c.setExecutor(function (sender, cmd, command, args) {
             return exec.cmd(sender, command, args);
@@ -54,8 +64,10 @@ exports.on = function (jsp, name, exec) {
             return Arrays.asList(exec.tab(sender, command, args));
         });
     }
-};
+}
 
+exports.init = init
+exports.on = on;
 exports.off = function () {
 
 };
\ No newline at end of file
diff --git a/src/main/resources/modules/plugin.js b/src/main/resources/modules/plugin.js
index fd13902..e4a9cb8 100644
--- a/src/main/resources/modules/plugin.js
+++ b/src/main/resources/modules/plugin.js
@@ -7,6 +7,8 @@
 var fs = require('core/fs');
 var yaml = require('modules/yaml');
 var event = require('modules/event');
+var bukkit = require('./bukkit');
+var command = require('./command');
 
 /**
  * 载入插件
@@ -18,7 +20,7 @@ function loadPlugins(path) {
         log.i("首次加载 创建文件夹 %s ...", path);
     } else {
         log.i("开始扫描 %s 下的插件 ...", path);
-        updatePlugins(path);
+        createUpdate(path);
         var files = [];
         fs.list(path).forEach(function (file) {
             files.push(file.toFile());
@@ -32,15 +34,10 @@ function loadPlugins(path) {
  * 更新插件
  * @param path
  */
-function updatePlugins(path) {
+function createUpdate(path) {
     var update = fs.file(path, "update");
     if (!update.exists()) {
         update.mkdirs();
-    } else {
-        fs.list(update).forEach(function (file) {
-            log.i('自动升级插件 %s', file);
-            fs.move(file, fs.file(path, file.name), true);
-        })
     }
 }
 
@@ -71,6 +68,11 @@ function loadJsPlugins(files) {
 }
 
 function loadPlugin(file) {
+    var update = fs.file(fs.file(file.parentFile, 'update'), file.name);
+    if (update.exists()) {
+        log.i('自动升级插件 %s', file.name);
+        fs.move(update, file, true);        
+    }
     var plugin = require(file, {
         cache: false,
         // 给插件注入单独的 console
@@ -115,11 +117,23 @@ function initPlugin(file, plugin){
     plugin.__FILE__ = file;
     // 初始化 __DATA__
     plugin.__DATA__ = fs.file(file.parentFile, plugin.description.name);
+    // 初始化 getDataFolder()
+    plugin.getDataFolder = function() {
+        return plugin.__DATA__;
+    }
     // 初始化 getFile()
     plugin.getFile = function(name) {
-        return fs.file(plugin.__DATA__, name);
+        return fs.file(plugin.getDataFolder(), name);
     }
-    // 初始化 getConfig()
+    initPluginConfig(plugin);
+    initPluginCommand(plugin);
+    initPluginPermission(plugin);
+}
+
+/**
+ * 初始化插件配置
+ */
+function initPluginConfig(plugin){
     /**
      * 获取配置文件
      * @constructor
@@ -137,7 +151,6 @@ function initPlugin(file, plugin){
                 return yaml.safeLoad(base.read(file));
         }
     }
-    // 初始化 saveConfig()
     /**
      * 保存配置文件
      * @constructor
@@ -154,10 +167,6 @@ function initPlugin(file, plugin){
                 break;
         }
     }
-    // 初始化 getDataFolder()
-    plugin.getDataFolder = function() {
-        return plugin.__DATA__;
-    }
     // 初始化 config
     plugin.configFile = plugin.getFile('config.yml');
     if (plugin.configFile.isFile()) {
@@ -168,6 +177,37 @@ function initPlugin(file, plugin){
     }
 }
 
+/*
+ * 初始化插件命令
+ */
+function initPluginCommand(plugin) {
+    command.init(plugin);
+}
+
+
+/**
+ * Permission(String name, String description)
+ */
+var Permission = Java.type("org.bukkit.permissions.Permission");
+var PermissionDefault = Java.type('org.bukkit.permissions.PermissionDefault');
+/*
+ * 初始化插件命令
+ */
+function initPluginPermission(plugin) {
+    var permissions = plugin.description.permissions;
+    var manager = bukkit.plugin.manager;
+    if(permissions){
+       for (var name in permissions){
+           var permission = permissions[name];
+           if (typeof permission !== 'object') continue;
+           var desc = permission.description;
+           var def = permission.default || 'OP';
+           manager.addPermission(new Permission(name, desc, PermissionDefault.getByName(def)));
+           log.d('插件 %s 注册权限 %s Default %s ...', plugin.description.name, name, def);
+       }
+    }
+}
+
 function runAndCatch(jsp, exec, ext) {
     if (exec) {
         try {