diff --git a/Application/src/main/java/org/surfsite/iconsole/BluetoothChatService.java b/Application/src/main/java/org/surfsite/iconsole/BluetoothChatService.java
index 41735e2..d11ef49 100644
--- a/Application/src/main/java/org/surfsite/iconsole/BluetoothChatService.java
+++ b/Application/src/main/java/org/surfsite/iconsole/BluetoothChatService.java
@@ -343,7 +343,7 @@ public class BluetoothChatService {
             mmOutStream = tmpOut;
             mState = STATE_CONNECTED;
 
-            mmIConsole = new IConsole(mmInStream, mmOutStream, new IConsole.DataListner() {
+            mmIConsole = new IConsole(mmInStream, mmOutStream, new IConsole.DataListener() {
                 @Override
                 public void onData(IConsole.Data data) {
                     Log.i(TAG, "mConnectedThread: " + data.toString());
@@ -357,7 +357,7 @@ public class BluetoothChatService {
                     if (e instanceof IOException)
                         connectionLost();
                 }
-            }, new IConsole.DebugListner() {
+            }, new IConsole.DebugListener() {
                 @Override
                 public void onRead(byte[] buffer) {
                     if (buffer.length > 0) {
diff --git a/Application/src/main/java/org/surfsite/iconsole/IConsole.java b/Application/src/main/java/org/surfsite/iconsole/IConsole.java
index 3c51f35..7bf1fd6 100644
--- a/Application/src/main/java/org/surfsite/iconsole/IConsole.java
+++ b/Application/src/main/java/org/surfsite/iconsole/IConsole.java
@@ -37,14 +37,14 @@ public class IConsole {
     private int mSetLevel;
     private final InputStream mInputStream;
     private final OutputStream mOutputStream;
-    private final DataListner mDataListner;
-    private final DebugListner mDebugListner;
+    private final DataListener mDataListener;
+    private final DebugListener mDebugListener;
 
-    public IConsole(InputStream inputStream, OutputStream outputStream, DataListner dataListner, DebugListner debugListner) {
+    public IConsole(InputStream inputStream, OutputStream outputStream, DataListener dataListener, DebugListener debugListener) {
         this.mInputStream = inputStream;
         this.mOutputStream = outputStream;
-        this.mDataListner = dataListner;
-        this.mDebugListner = debugListner;
+        this.mDataListener = dataListener;
+        this.mDebugListener = debugListener;
         this.mCurrentState = State.BEGIN;
         this.mNextState = State.PING;
         this.mSetLevel = 1;
@@ -83,12 +83,12 @@ public class IConsole {
         }
     }
 
-    public interface DataListner {
+    public interface DataListener {
         void onData(Data data);
         void onError(Exception e);
     }
 
-    public interface DebugListner {
+    public interface DebugListener {
         void onRead(byte[] bytes);
         void onWrite(byte[] bytes);
     }
@@ -97,12 +97,12 @@ public class IConsole {
         synchronized (this) {
             Data data = new Data(0, 0, 0, 0, 0, 0, 0, 0);
 
-            if (null != mDebugListner) {
-                mDebugListner.onWrite(PING);
-                mDebugListner.onRead(PONG);
+            if (null != mDebugListener) {
+                mDebugListener.onWrite(PING);
+                mDebugListener.onRead(PONG);
             }
 
-            mDataListner.onData(data);
+            mDataListener.onData(data);
         }
         return true;
     }