diff --git a/Notes-master/src/net/micode/notes/ui/NotesListActivity.java b/Notes-master/src/net/micode/notes/ui/NotesListActivity.java
index 8135e9b..4d5706e 100644
--- a/Notes-master/src/net/micode/notes/ui/NotesListActivity.java
+++ b/Notes-master/src/net/micode/notes/ui/NotesListActivity.java
@@ -137,25 +137,15 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
     private final static int REQUEST_CODE_OPEN_NODE = 102;
     private final static int REQUEST_CODE_NEW_NODE  = 103;
 
-    public Button mBtnsf;
-
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.note_list);
-        initResources();
 
-        mBtnsf = findViewById(R.id.btn_sf);
-        mBtnsf.setOnClickListener(new OnClickListener() {
-            @Override
-            public void onClick(View view) {
-                Intent intent=null;
-                intent = new Intent(NotesListActivity.this,pwdActivity.class);
-                startActivity(intent);
-
-            }
-        });
+        getWindow().setBackgroundDrawableResource(R.drawable.bg1);
+        getWindow().setBackgroundDrawableResource(R.drawable.bg2);
 
+        initResources();
 
         /**
          * Insert an introduction when user firstly use this application