diff --git a/res/drawable-hdpi/goback.png b/res/drawable-hdpi/goback.png
deleted file mode 100644
index 1472206be7e97a579f6820bdf2d5e2fb15c44599..0000000000000000000000000000000000000000
Binary files a/res/drawable-hdpi/goback.png and /dev/null differ
diff --git a/res/drawable-hdpi/left_arrow.png b/res/drawable-hdpi/left_arrow.png
new file mode 100644
index 0000000000000000000000000000000000000000..d102ef92a294d14f9c7065c3194d519c57f3ef86
Binary files /dev/null and b/res/drawable-hdpi/left_arrow.png differ
diff --git a/res/drawable-hdpi/refresh.png b/res/drawable-hdpi/refresh.png
new file mode 100644
index 0000000000000000000000000000000000000000..2eab627ff53c14b1901c77a126ed9e767c2d7ba0
Binary files /dev/null and b/res/drawable-hdpi/refresh.png differ
diff --git a/res/drawable-hdpi/settings.png b/res/drawable-hdpi/settings.png
index 79f590b7e651a14b8634280b2f14cb77ecd7d40a..68d9f5f402f41221fd331ff568d70f486e8fe48e 100644
Binary files a/res/drawable-hdpi/settings.png and b/res/drawable-hdpi/settings.png differ
diff --git a/res/drawable-hdpi/settings_pressed.png b/res/drawable-hdpi/settings_pressed.png
index 6c8cfe172f5cae392ebf3c50d10e54837dde1aef..b8e5bffd2ae19dd7bcf0b036f4d24d64047f69ab 100644
Binary files a/res/drawable-hdpi/settings_pressed.png and b/res/drawable-hdpi/settings_pressed.png differ
diff --git a/res/drawable/settings_button.xml b/res/drawable/settings_button.xml
index a7bf01a676d728630fc4299859406e12d4fc06c1..872cc8671bafe714d35478df278c8db8d4cd8685 100644
--- a/res/drawable/settings_button.xml
+++ b/res/drawable/settings_button.xml
@@ -1,7 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <selector
   xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:drawable="@drawable/settings_pressed" android:state_pressed="true"/>
-    <item android:drawable="@drawable/settings_pressed" android:state_focused="true"/>
     <item android:drawable="@drawable/settings"></item>
 </selector>
diff --git a/res/layout/navigation_bar.xml b/res/layout/navigation_bar.xml
index e17a4663d29b9a59fc4ecb77b9f89da02a3a2d5a..81c5c50dbeda40584b26839026f694ef9ce8d066 100644
--- a/res/layout/navigation_bar.xml
+++ b/res/layout/navigation_bar.xml
@@ -18,7 +18,7 @@
             android:id="@+id/go_back"
             android:layout_width="wrap_content"
             android:layout_height="match_parent"
-            android:src="@drawable/btn_back" />
+            android:src="@drawable/left_arrow" />
     </LinearLayout>
 
     <TextView
@@ -38,7 +38,7 @@
         android:layout_height="match_parent"
         android:layout_weight="0.1"
         android:gravity="center_horizontal|center_vertical" >
-
+        
         <ImageView
             android:id="@+id/btn_set"
             android:layout_width="wrap_content"
diff --git a/res/values-zh-rCN/strings.xml b/res/values-zh-rCN/strings.xml
index 9c169a9953de1157bb110865bea6987ccd2429cd..f4270f752881ac559a6c6c7a669522f641381141 100644
--- a/res/values-zh-rCN/strings.xml
+++ b/res/values-zh-rCN/strings.xml
@@ -86,4 +86,6 @@
     
     <string name="root_failed_notification">无法获取root权限，请确认手机是否已root</string>
     <string name="stop_when_exited">应用退出后停止监听</string>
+    
+    <string name="update_list">列表更新成功</string>
 </resources>
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index 9887524bfa4cffef414a7e4c3cff802fb791380e..0a3fd0311bb93cf975e5d5255d92135667a362b8 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -20,7 +20,7 @@
     <dimen name="button_height">40dp</dimen>
     
     <dimen name="image_padding">10dp</dimen>
-	<dimen name="image_padding_small">5dp</dimen>
+	<dimen name="image_padding_small">10dp</dimen>
 	
 	<dimen name="line_height">1px</dimen>
 	
diff --git a/res/values/strings.xml b/res/values/strings.xml
index fbbe53812d27517f506e475059778d08373e6f5a..463ac1b809088c0ec576540857ff4c04dfb5846a 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -85,4 +85,6 @@
     <string name="root_notification">(root is necessary)</string>
     <string name="root_failed_notification">Fail to get root permission, please check if this phone is rooted</string>
 	<string name="stop_when_exited">Stop monitoring when app exited</string>
+	
+	<string name="update_list">Update List Successfully</string>
 </resources>
diff --git a/src/com/netease/qa/emmagee/activity/MainPageActivity.java b/src/com/netease/qa/emmagee/activity/MainPageActivity.java
index b6a394ee32cc7c41fed20a183ade15723ecc2aca..a64f948573daf298cf4d2847229bae09f05f9762 100644
--- a/src/com/netease/qa/emmagee/activity/MainPageActivity.java
+++ b/src/com/netease/qa/emmagee/activity/MainPageActivity.java
@@ -72,6 +72,7 @@ public class MainPageActivity extends Activity {
 	private ImageView ivBtnSet;
 	private LinearLayout layBtnSet;
 	private Long mExitTime = (long) 0;
+	private ListAdapter la;
 
 	@Override
 	public void onCreate(Bundle savedInstanceState) {
@@ -128,7 +129,9 @@ public class MainPageActivity extends Activity {
 				}
 			}
 		});
-		lstViProgramme.setAdapter(new ListAdapter());
+
+		la = new ListAdapter(processInfo.getAllPackages(getBaseContext()));
+		lstViProgramme.setAdapter(la);
 		lstViProgramme.setOnItemClickListener(new AdapterView.OnItemClickListener() {
 			@Override
 			public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
@@ -138,7 +141,7 @@ public class MainPageActivity extends Activity {
 		});
 
 		nbTitle.setText(getString(R.string.app_name));
-		ivGoBack.setVisibility(ImageView.INVISIBLE);
+		ivGoBack.setImageResource(R.drawable.refresh);
 		ivBtnSet.setImageResource(R.drawable.settings_button);
 		layBtnSet.setOnClickListener(new OnClickListener() {
 			@Override
@@ -146,6 +149,15 @@ public class MainPageActivity extends Activity {
 				goToSettingsActivity();
 			}
 		});
+		
+		ivGoBack.setOnClickListener(new OnClickListener() {
+			@Override
+			public void onClick(View arg0) {
+				Toast.makeText(MainPageActivity.this, R.string.update_list, Toast.LENGTH_SHORT).show();
+				la.swapItems(processInfo.getAllPackages(getBaseContext()));
+			}
+		});
+		
 		receiver = new UpdateReceiver();
 		IntentFilter filter = new IntentFilter();
 		filter.addAction(EmmageeService.SERVICE_ACTION);
@@ -255,8 +267,8 @@ public class MainPageActivity extends Activity {
 		Programe checkedProg;
 		int lastCheckedPosition = -1;
 
-		public ListAdapter() {
-			programes = processInfo.getAllPackages(getBaseContext());
+		public ListAdapter(List<Programe> programes) {
+			this.programes = programes;
 		}
 
 		@Override
@@ -273,6 +285,11 @@ public class MainPageActivity extends Activity {
 		public long getItemId(int position) {
 			return position;
 		}
+		
+		public void swapItems(List<Programe> programes) {
+		    this.programes = programes;
+		    notifyDataSetChanged();
+		}
 
 		@Override
 		public View getView(int position, View convertView, ViewGroup parent) {