diff --git a/src/main/resources/core/console.js b/src/main/resources/core/console.js
index 7b4ea1b..ad009be 100644
--- a/src/main/resources/core/console.js
+++ b/src/main/resources/core/console.js
@@ -48,10 +48,10 @@
                     message = ''
                     break
             }
-            this.console('§4 ' + message + ex)
+            this.console('§4' + message + ex)
             this.stack(ex).forEach(function(line) {
                 this.console(line)
-            })
+            }.bind(this))
         };
         this.stack = function(ex) {
             var track = ex ? ex.getStackTrace() : new Error().getStackTrace();
diff --git a/src/main/resources/core/init.js b/src/main/resources/core/init.js
index 1da09d3..6c39879 100644
--- a/src/main/resources/core/init.js
+++ b/src/main/resources/core/init.js
@@ -57,11 +57,11 @@
         };
         // 初始化加载器
         global.require = engineLoad(root + '/core/require.js')(root);
-        global.requireInternal = function requireInternal(name) {
+        global.requireInternal = function requireInternal(name, ignoreError) {
             try {
                 return require(root + '/internal/' + DetectServerType + '/' + name + '.js');
             } catch (ex) {
-                if (!arguments[1]) { return {} }
+                if (ignoreError) { return {} }
                 throw ex;
             }
         }
diff --git a/src/main/resources/internal/bukkit/chat.js b/src/main/resources/internal/bukkit/chat.js
index c5e4295..c96813a 100644
--- a/src/main/resources/internal/bukkit/chat.js
+++ b/src/main/resources/internal/bukkit/chat.js
@@ -10,7 +10,6 @@ var chatMessageTypes;
 var String = Java.type('java.lang.String');
 
 function init() {
-    /** @namespace bukkit.nmsVersion */
     nmsChatSerializerClass = bukkit.nmsCls(bukkit.nmsVersion.split("_")[1] > 7 ? "IChatBaseComponent$ChatSerializer" : "ChatSerializer");
     packetTypeClass = bukkit.nmsCls("PacketPlayOutChat");
     var packetTypeConstructor;
diff --git a/src/main/resources/internal/bukkit/item.js b/src/main/resources/internal/bukkit/item.js
index 0ef74ab..9d84d03 100644
--- a/src/main/resources/internal/bukkit/item.js
+++ b/src/main/resources/internal/bukkit/item.js
@@ -15,11 +15,14 @@ var Material = Java.type('org.bukkit.Material');
  * @constructor (ID,数量)
  * @constructor (ID,数量,子ID)
  */
-item.create = function () {
+item.create = function() {
     var idOrType = arguments[0];
     if (isNaN(Number(idOrType))) {
         idOrType = Material[idOrType];
     }
+    if (!idOrType) {
+        throw Error('无效的物品ID或枚举!' + arguments[0] + ' => ' + idOrType)
+    }
     switch (arguments.length) {
         case 1:
             return new ItemStack(idOrType);
@@ -33,7 +36,7 @@ item.create = function () {
  * 创建一个头颅
  * @constructor (玩家名称)
  */
-item.head = function (name) {
+item.head = function(name) {
     var head = item.create(397, 1, 3);
     var skullMeta = head.getItemMeta();
     skullMeta.setOwner(name);
@@ -46,10 +49,10 @@ item.head = function (name) {
  * @param items 物品数组
  * @param drop 满背包是否掉落
  */
-item.add = function (player, items, drop) {
+item.add = function(player, items, drop) {
     var drops = player.getInventory().addItem(items).values();
     if (drops.size() !== 0 && drop) {
-        drops.forEach(function (itemStack) {
+        drops.forEach(function(itemStack) {
             item.drop(player.getLocation(), itemStack);
         });
     }
@@ -59,8 +62,8 @@ item.add = function (player, items, drop) {
  * @param loc 地点
  * @param item 物品
  */
-item.drop = function (loc, item) {
-    setTimeout(function () {
+item.drop = function(loc, item) {
+    setTimeout(function() {
         loc.getWorld().dropItem(loc, item);
     }, 1);
 };
@@ -70,7 +73,7 @@ item.drop = function (loc, item) {
  * @param name
  * @returns {*}
  */
-item.setName = function (item, name) {
+item.setName = function(item, name) {
     if (item.getType().name() !== "AIR") {
         var meta = item.hasItemMeta() ? item.getItemMeta() : Bukkit.getItemFactory().getItemMeta(item.getType());
         meta.setDisplayName(name);
@@ -84,10 +87,10 @@ item.setName = function (item, name) {
  * @param lores Lore
  * @returns {*} 物品
  */
-item.setLore = item.setLores = function (item, lores) {
+item.setLore = item.setLores = function(item, lores) {
     if (item.getType().name() !== "AIR") {
         var meta = item.hasItemMeta() ? item.getItemMeta() : Bukkit.getItemFactory().getItemMeta(item.getType());
-        if (typeof(lores) === 'string') {
+        if (typeof (lores) === 'string') {
             lores = lores.split("\n")
         }
         meta.setLore(lores);
diff --git a/src/main/resources/internal/bukkit/server.js b/src/main/resources/internal/bukkit/server.js
index 5809a42..35e7f29 100644
--- a/src/main/resources/internal/bukkit/server.js
+++ b/src/main/resources/internal/bukkit/server.js
@@ -141,6 +141,7 @@ function shutdown () {
 
 exports = module.exports = {
     $: Bukkit,
+    nmsVersion: nmsVersion,
     nmsCls: nmsCls,
     obcCls: obcCls,
     plugin: plugin,
diff --git a/src/main/resources/internal/bukkit/task.js b/src/main/resources/internal/bukkit/task.js
index bbe964e..8b0f37a 100644
--- a/src/main/resources/internal/bukkit/task.js
+++ b/src/main/resources/internal/bukkit/task.js
@@ -12,7 +12,13 @@ var BukkitRunnable = Java.type("org.bukkit.scheduler.BukkitRunnable");
  */
 function create(func) {
     if (toString.call(func) !== "[object Function]") { throw TypeError('第一个参数 Task 必须为 function !'); };
-    return new BukkitRunnable(func);
+    return new BukkitRunnable(function() {
+        try {
+            func();
+        } catch (ex) {
+            console.ex('§4插件执行任务时发生错误', ex);
+        }
+    });
 };
 /**
  * 运行任务
diff --git a/src/main/resources/internal/internal.d.ts b/src/main/resources/internal/internal.d.ts
index a78b445..46553c3 100644
--- a/src/main/resources/internal/internal.d.ts
+++ b/src/main/resources/internal/internal.d.ts
@@ -32,7 +32,6 @@ interface Server {
     pluginManager;
     serviceManager;
     servicesManager;
-    onlinePlayers;
 }
 
 interface Player {
diff --git a/src/main/resources/modules/reflect.js b/src/main/resources/modules/reflect.js
index 34994ec..3da86b3 100644
--- a/src/main/resources/modules/reflect.js
+++ b/src/main/resources/modules/reflect.js
@@ -18,7 +18,7 @@ function Reflect(obj) {
         this.class = obj.class;
     }
 
-    this.field = function (name) {
+    this.field = function(name) {
         try {
             // Try getting a public field
             var field = this.class.field(name);
@@ -33,24 +33,37 @@ function Reflect(obj) {
         }
     };
 
-    this.call = function () {
+    this.fields = function(declared) {
+        return declared ? this.class.declaredFields : this.class.fields;
+    }
+
+    this.values = function(declared) {
+        var cache = {};
+        var feds = declared ? this.class.declaredFields : this.class.fields;
+        Java.from(feds).forEach(function(fed) {
+            cache[fed.name] = this.field(fed.name).get();
+        }.bind(this))
+        return cache;
+    }
+
+    this.call = function() {
         var name = arguments[0];
         var params = Array.prototype.slice.call(arguments, 1);
         var method = declaredMethod(this.class, name, types(params));
         return on(method.invoke(this.get(), params));
     };
 
-    this.get = function () {
+    this.get = function() {
         return arguments.length === 1 ? this.field(arguments[0]) : this.obj;
     };
 
     // noinspection JSUnusedGlobalSymbols
-    this.set = function (name, value) {
+    this.set = function(name, value) {
         accessible(declaredField(this.class, name)).set(this.obj, value);
         return this;
     };
 
-    this.create = function () {
+    this.create = function() {
         var param = Array.prototype.slice.call(arguments);
         return on(declaredConstructor(this.class, param).newInstance(param));
     };
@@ -64,7 +77,7 @@ function types(values, def) {
         return [];
     }
     var result = [];
-    values.forEach(function (t) {
+    values.forEach(function(t) {
         result.push((t || def) ? Object.class : t instanceof Class ? t : t.class)
     });
     return result;