diff --git a/res/layout/config.xml b/res/layout/config.xml
index 913a62a..615845c 100644
--- a/res/layout/config.xml
+++ b/res/layout/config.xml
@@ -36,6 +36,22 @@
                 android:layout_weight="1"/>
     </LinearLayout>
 
+    <LinearLayout
+            android:orientation="horizontal"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+        <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:textAppearance="?android:attr/textAppearanceLarge"
+                android:text="偏转角度："/>
+        <EditText
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:id="@+id/et_angle"
+                android:layout_weight="1"/>
+    </LinearLayout>
+
     <Button
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
diff --git a/res/layout/main.xml b/res/layout/main.xml
index 4bb74df..013b70f 100644
--- a/res/layout/main.xml
+++ b/res/layout/main.xml
@@ -45,6 +45,23 @@
                 android:id="@+id/tv_server_ip"/>
     </LinearLayout>
 
+    <LinearLayout
+            android:orientation="horizontal"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+        <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:textAppearance="?android:attr/textAppearanceSmall"
+                android:text="偏转角度："/>
+        <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:textAppearance="?android:attr/textAppearanceSmall"
+                android:text="0.0.0.0"
+                android:id="@+id/tv_angle"/>
+    </LinearLayout>
+
     <LinearLayout
             android:orientation="horizontal"
             android:layout_width="match_parent"
diff --git a/src/me/hupeng/android/monitor/Mina/MyImageEncoder.java b/src/me/hupeng/android/monitor/Mina/MyImageEncoder.java
index 744da3d..8ae0599 100644
--- a/src/me/hupeng/android/monitor/Mina/MyImageEncoder.java
+++ b/src/me/hupeng/android/monitor/Mina/MyImageEncoder.java
@@ -46,6 +46,11 @@ public void encode(IoSession ioSession, Object message, ProtocolEncoderOutput ou
             ioBuffer.capacity(length+8);
             ioBuffer.flip();
             out.write(ioBuffer);
+
+            if (message instanceof MyData){
+
+                myData.bitmap.recycle();
+            }
         }
     }
 
diff --git a/src/me/hupeng/android/monitor/UI/ConfigActivity.java b/src/me/hupeng/android/monitor/UI/ConfigActivity.java
index fecd790..3ef279a 100644
--- a/src/me/hupeng/android/monitor/UI/ConfigActivity.java
+++ b/src/me/hupeng/android/monitor/UI/ConfigActivity.java
@@ -19,6 +19,7 @@ public class ConfigActivity extends Activity{
     private EditText etServerIp;
     private Button btn_save;
     private EditText etClientId;
+    private EditText etAngle;
 
     private void init(){
         ActionBar actionBar = getActionBar();
@@ -27,11 +28,14 @@ private void init(){
         etServerIp = (EditText) findViewById(R.id.et_server_address);
         btn_save = (Button) findViewById(R.id.btn_save_config);
         etClientId = (EditText) findViewById(R.id.et_client_id);
+        etAngle = (EditText) findViewById(R.id.et_angle);
+
         //绑定单击回调
         btn_save.setOnClickListener(new MyOnClickListener());
 
         etServerIp.setText(getServerIp());
         etClientId.setText(SharedPreferencesUtil.readInt(ConfigActivity.this,"client_id")+"");
+        etAngle.setText(getAngle()+"");
     }
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -52,6 +56,8 @@ public void onClick(View view) {
             try{
                 int clientId = Integer.parseInt(tempClientId);
                 SharedPreferencesUtil.writeInt(ConfigActivity.this, "client_id", clientId);
+                int angle = Integer.parseInt(etAngle.getText().toString());
+                SharedPreferencesUtil.writeInt(ConfigActivity.this, "angle" , angle);
             }catch (Exception e){
 
             }
@@ -79,4 +85,9 @@ public boolean onOptionsItemSelected(MenuItem item) {
         }
         return super.onOptionsItemSelected(item);
     }
+
+    private int getAngle(){
+        int angle = SharedPreferencesUtil.readInt(ConfigActivity.this, "angle",-1);
+        return angle==-1? 90 : angle;
+    }
 }
diff --git a/src/me/hupeng/android/monitor/UI/MainActivity.java b/src/me/hupeng/android/monitor/UI/MainActivity.java
index a4f24ae..de86865 100644
--- a/src/me/hupeng/android/monitor/UI/MainActivity.java
+++ b/src/me/hupeng/android/monitor/UI/MainActivity.java
@@ -214,7 +214,7 @@ public void onPreviewFrame(byte[] bytes, Camera camera) {
                             50, stream);
                     Bitmap bmp = BitmapFactory.decodeByteArray(
                             stream.toByteArray(), 0, stream.size());
-                    this.bitmap = rotateBitmapByDegree(bmp,90);
+                    this.bitmap = rotateBitmapByDegree(bmp,getAngle());
                     sendPic();
 
                     stream.close();
@@ -331,4 +331,9 @@ public static Bitmap rotateBitmapByDegree(Bitmap bm, int degree) {
         }
         return returnBm;
     }
+
+    private int getAngle(){
+        int angle = SharedPreferencesUtil.readInt(MainActivity.this, "angle", -1);
+        return angle==-1? 90 : angle;
+    }
 }
diff --git a/src/me/hupeng/android/monitor/Util/SharedPreferencesUtil.java b/src/me/hupeng/android/monitor/Util/SharedPreferencesUtil.java
index 542a0f9..eeae419 100644
--- a/src/me/hupeng/android/monitor/Util/SharedPreferencesUtil.java
+++ b/src/me/hupeng/android/monitor/Util/SharedPreferencesUtil.java
@@ -43,4 +43,12 @@ public static int readInt(Context context, String key){
         SharedPreferences sharedPreferences = context.getSharedPreferences("config", context.MODE_PRIVATE);
         return sharedPreferences.getInt(key,0);
     }
+
+    /**
+     * 读出value值
+     * */
+    public static int readInt(Context context, String key, int def){
+        SharedPreferences sharedPreferences = context.getSharedPreferences("config", context.MODE_PRIVATE);
+        return sharedPreferences.getInt(key,def);
+    }
 }