diff --git a/examples/pxScene2d/src/node_modules/htmlparser/index.js b/examples/pxScene2d/src/node_modules/htmlparser/index.js
new file mode 100644
index 0000000000..b69535eb93
--- /dev/null
+++ b/examples/pxScene2d/src/node_modules/htmlparser/index.js
@@ -0,0 +1,7 @@
+var htmlparser = require("./lib/htmlparser");
+
+exports.Parser = htmlparser.Parser;
+exports.DefaultHandler = htmlparser.DefaultHandler;
+exports.RssHandler = htmlparser.RssHandler;
+exports.ElementType = htmlparser.ElementType;
+exports.DomUtils = htmlparser.DomUtils;
diff --git a/examples/pxScene2d/src/v8_modules/emit.js b/examples/pxScene2d/src/v8_modules/emit.js
new file mode 100644
index 0000000000..373ec1c6cf
--- /dev/null
+++ b/examples/pxScene2d/src/v8_modules/emit.js
@@ -0,0 +1,28 @@
+/**
+ * emit class
+ */
+function WBEmit() {}
+WBEmit.prototype.$emit = function(name) {
+    var args = Array.prototype.slice.call(arguments, 1);
+    if (this._events && this._events[name])
+        this._events[name].forEach(function(cb) {
+            cb.apply(this, args)
+        }.bind(this));
+    return this;
+};
+WBEmit.prototype.$off = function(name, cb) {
+    if (!this._events) return this;
+    if (!cb) delete this._events[name];
+    if (this._events[name]) this._events[name] = this._events[name].filter(function(i) {
+        return i != cb
+    });
+    return this;
+};
+WBEmit.prototype.$on = function(name, cb) {
+    if (!this._events) this._events = {};
+    if (!this._events[name]) this._events[name] = [];
+    this._events[name].push(cb);
+    return cb;
+};
+
+module.exports = WBEmit;
\ No newline at end of file
diff --git a/examples/pxScene2d/src/v8_modules/querystring.js b/examples/pxScene2d/src/v8_modules/querystring.js
index b74bb4668c..3bcf007e29 100644
--- a/examples/pxScene2d/src/v8_modules/querystring.js
+++ b/examples/pxScene2d/src/v8_modules/querystring.js
@@ -107,6 +107,15 @@ function qsUnescape(s, decodeSpaces) {
 }
 QueryString.unescape = qsUnescape;
 
+/**
+ * unescape from Buffer, code from here
+ * https://github.com/nodejs/node/issues/10824
+ * @param {*} buf the js Buffer
+ */
+function unescapeBuffer (buf) {
+  return buf.toString('hex').replace(/../g, e => `%${e}`);
+}
+QueryString.unescapeBuffer = unescapeBuffer;
 
 var hexTable = new Array(256);
 for (var i = 0; i < 256; ++i)
diff --git a/examples/pxScene2d/src/v8_modules/ws.js b/examples/pxScene2d/src/v8_modules/ws.js
index aa72573fef..a862bee827 100644
--- a/examples/pxScene2d/src/v8_modules/ws.js
+++ b/examples/pxScene2d/src/v8_modules/ws.js
@@ -24,33 +24,7 @@ const OPEN = 1;
 const CLOSING = 2;
 const CLOSED = 3;
 
-
-/**
- * websocket emit class
- */
-function WBEmit() {}
-WBEmit.prototype.$emit = function(name) {
-    var args = Array.prototype.slice.call(arguments, 1);
-    if (this._events && this._events[name])
-        this._events[name].forEach(function(cb) {
-            cb.apply(this, args)
-        }.bind(this));
-    return this;
-};
-WBEmit.prototype.$off = function(name, cb) {
-    if (!this._events) return this;
-    if (!cb) delete this._events[name];
-    if (this._events[name]) this._events[name] = this._events[name].filter(function(i) {
-        return i != cb
-    });
-    return this;
-};
-WBEmit.prototype.$on = function(name, cb) {
-    if (!this._events) this._events = {};
-    if (!this._events[name]) this._events[name] = [];
-    this._events[name].push(cb);
-    return cb;
-};
+const WBEmit = require('emit');
 
 /**
  * Create a new websocket instance