diff --git a/.gitignore b/.gitignore
index d1b29c6..e0c7e85 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
 bin/
 jar/
+.idea
+BasicExample.class
diff --git a/README.markdown b/README.markdown
index f946202..b74ce07 100644
--- a/README.markdown
+++ b/README.markdown
@@ -34,6 +34,14 @@ ant jar
 mv jar/socketio.jar /path/to/your/libs/project
 ```
 
+### Try Yunba Example
+
+```bash
+cd examples
+javac -cp ../jar/socketio.jar basic/BasicExample.java
+java -cp ../jar/socketio.jar:. basic.BasicExample
+```
+
 If you're using ant, change your build.xml to include socketio.jar. If you're eclipse, add the jar to your project buildpath.
 
 Afterwards, you'll be able to use this library: 
diff --git a/examples/basic/BasicExample.java b/examples/basic/BasicExample.java
index 6f01917..bc98aea 100644
--- a/examples/basic/BasicExample.java
+++ b/examples/basic/BasicExample.java
@@ -77,13 +77,25 @@ public void onConnect() {
 	@Override
 	public void on(String event, IOAcknowledge ack, Object... args) {
 		System.out.println("Server triggered event '" + event + "'");
-		if (event.equals("socketconnectack")) {
-			onSocketConnectAck();
-		}
+        try {
+            if (event.equals("socketconnectack")) {
+                onSocketConnectAck();
+            } else if (event.equals("connack")) {
+                onConnAck();
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
 	}
 
-	public void onSocketConnectAck() {
+	public void onSocketConnectAck() throws Exception {
 		System.out.println("onSocketConnectAck");
 		// emit connect
+
+        socket.emit("connect", new JSONObject("{'appkey': '52fcc04c4dc903d66d6f8f92'}"));
 	}
+
+    public void onConnAck() {
+        System.out.println("onConnAck");
+    }
 }
diff --git a/socket.io-java-client.iml b/socket.io-java-client.iml
new file mode 100644
index 0000000..d5c0743
--- /dev/null
+++ b/socket.io-java-client.iml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
+