diff --git a/demo/index.html b/demo/index.html
index 4ac9fc3..144a5f6 100644
--- a/demo/index.html
+++ b/demo/index.html
@@ -15,7 +15,7 @@
     baseUrl: '../src'
 });
 
-require(['oo'], function (Class) {
+require(['main'], function (Class) {
     var Super = Class({
         superProp1: 'superProp1',
         superProp2: 'superProp2',
@@ -240,6 +240,17 @@
 
     var e2 = new EooClass2('prop1', 'prop2');
     e2.test();
+
+    Class.defineAccessor(Sub.prototype, 'testProp');
+    window.accessorSub = new Sub();
+    console.log(accessorSub.setTestProp);
+    console.log(accessorSub.getTestProp);
+
+    accessorSub.setTestProp('test');
+    printLine(accessorSub.getTestProp());
+    accessorSub.setTestProp('test1');
+    printLine(accessorSub.getTestProp());
+
 });
 </script>
 </body>
diff --git a/src/defineAccessor.js b/src/defineAccessor.js
new file mode 100644
index 0000000..83f6698
--- /dev/null
+++ b/src/defineAccessor.js
@@ -0,0 +1,48 @@
+/**
+ * Created by exodia on 14-8-28.
+ */
+void function (define, undefined) {
+
+    define(
+        function (require) {
+            var MEMBERS = '__eooPrivateMembers__';
+
+            function simpleGetter(name) {
+                var body = 'return typeof this.' + MEMBERS + ' === \'object\' ? this.'
+                    + MEMBERS + '[\'' + name + '\'] : undefined;';
+                return new Function(body);
+            }
+
+            function simpleSetter(name) {
+                var body = 'this.' + MEMBERS + ' = this.' + MEMBERS + ' || {};\n'
+                    + 'this.' + MEMBERS + '[\'' + name + '\'] = value;' ;
+                return new Function('value', body);
+            }
+
+            /**
+             * 根据指定的属性名生成对应的accessor
+             *
+             * @param {Object | Function} obj 需要生成 accessor 的对象
+             * @param {string} name 需要生成 accessor 的属性名称
+             * @param {Object | Function} [accessor] 自定义的 getter 和 setter 配置
+             * @param {Function} [accessor.get] 自定义的 getter 函数, 配置了accessor，但未设置 get，则不会生成 getter
+             * @param {Function} [accessor.set] 自定义的 setter 函数, 配置了accessor，但未设置 set，则不会生成 setter
+             */
+            return function (obj, name, accessor) {
+                var upperName = name.charAt(0).toUpperCase() + name.slice(1);
+                var getter = 'get' + upperName;
+                var setter = 'set' + upperName;
+
+                if (!accessor) {
+                    obj[getter] = !accessor || typeof accessor.get !== 'function' ? simpleGetter(name) : accessor.get;
+                    obj[setter] = !accessor || typeof accessor.set !== 'function' ? simpleSetter(name) : accessor.set;
+                }
+                else {
+                    typeof accessor.get === 'function' && (obj[getter] = accessor.get);
+                    typeof accessor.set === 'function' && (obj[setter] = accessor.set);
+                }
+            };
+        }
+    );
+
+}(typeof define === 'function' && define.amd ? define : function (factory) { module.exports = factory(require); });
\ No newline at end of file
diff --git a/src/main.js b/src/main.js
new file mode 100644
index 0000000..d2dfdd7
--- /dev/null
+++ b/src/main.js
@@ -0,0 +1,13 @@
+/**
+ * Created by exodia on 14-8-28.
+ */
+void function (define) {
+    define(
+        function (require) {
+            var oo = require('./oo');
+            oo.defineAccessor = require('./defineAccessor');
+
+            return oo;
+        }
+    );
+}(typeof define === 'function' && define.amd ? define : function (factory) { module.exports = factory(require); });
\ No newline at end of file
diff --git a/src/oo.js b/src/oo.js
index 5674d8b..b67d614 100644
--- a/src/oo.js
+++ b/src/oo.js
@@ -3,9 +3,9 @@
 // - demo
 void function (define) {
     define(function () {
-        var Empty = function () {};
-        var NAME_PROPERTY_NAME = '__name__';
-        var OWNER_PROPERTY_NAME = '__owner__';
+        var Empty = function () { };
+        var NAME_PROPERTY_NAME = '__eooName__';
+        var OWNER_PROPERTY_NAME = '__eooOwner__';
 
         /**
          * 简单的 js oo 库
@@ -173,21 +173,8 @@ void function (define) {
          */
         function inherit(BaseClass) {
             var kclass = function () {
-                /**
-                 * 若未进行 constructor 的重写，则klass.prototype.constructor指向BaseClass.prototype.constructor
-                 */
+                // 若未进行 constructor 的重写，则klass.prototype.constructor指向BaseClass.prototype.constructor
                 return kclass.prototype.constructor.apply(this, arguments);
-
-                // 下面是之前的代码，我也不知道为什么写的这么多，还有 bug- -！！5555~~
-
-                // 兼容非 oo 创建的类继承 oo 类时的构造函数调用
-                /*if (kclass.caller === this.constructor) {
-                 return kclass.prototype.constructor.apply(this, arguments);
-                 }
-
-                 return this.constructor !== kclass &&
-                 typeof this.constructor == 'function' &&
-                 this.constructor.apply(this, arguments);*/
             };
 
             Empty.prototype = BaseClass.prototype;