diff --git a/src/app/src/main/java/wificar/MyVideo.java b/src/app/src/main/java/wificar/MyVideo.java
index 4c081ab..8892cbc 100644
--- a/src/app/src/main/java/wificar/MyVideo.java
+++ b/src/app/src/main/java/wificar/MyVideo.java
@@ -61,7 +61,7 @@ public class MyVideo extends Activity {
         BtnStop = findViewById(R.id.button_stop);
 
         rockerView = new RockerView(this,socketWriter,this.getApplicationContext(),null);
-        RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(600,600);
+        RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(1000,1000);
         addContentView(rockerView,params);
 
         Intent intent = getIntent();
diff --git a/src/app/src/main/java/wificar/RockerView.java b/src/app/src/main/java/wificar/RockerView.java
index f33388a..f272efb 100644
--- a/src/app/src/main/java/wificar/RockerView.java
+++ b/src/app/src/main/java/wificar/RockerView.java
@@ -8,6 +8,7 @@ import android.graphics.Color;
 import android.graphics.Paint;
 import android.graphics.RectF;
 import android.util.AttributeSet;
+import android.util.Log;
 import android.view.MotionEvent;
 import android.view.View;
 
@@ -22,8 +23,8 @@ public class RockerView extends View{
     Paint backPaint = new Paint(); // 背景画笔
     Paint bubblePaint = new Paint(); // 气泡画笔
     Paint rectfPaint = new Paint();
-    float bubbleX = 250, bubbleY = 300; // 定义气泡的位置
-    float backX = 250, backY = 300; // 背景圆的位置
+    float bubbleX = 300, bubbleY = 700; // 定义气泡的位置
+    float backX = 300, backY = 700; // 背景圆的位置
     int radiusBack = 200, radiusBubble = 100; // 定义背景圆以及气泡的半径
     RectF mRectF = new RectF(backX-radiusBack,backY-radiusBack,backX+radiusBack,backY+radiusBack);
     Context mContext;
@@ -37,11 +38,12 @@ public class RockerView extends View{
         this.mContext = context;
     }
     private void initPaint() {
+        int grayColor = Color.argb(128, 128, 128, 128);
         backPaint.setAntiAlias(true);
-        backPaint.setColor(Color.parseColor("blue"));
+        backPaint.setColor(grayColor);
 
         bubblePaint.setAntiAlias(true);
-        bubblePaint.setColor(Color.parseColor("red"));
+        bubblePaint.setColor(grayColor);
 
         rectfPaint.setAntiAlias(true);
         rectfPaint.setColor(Color.parseColor("red"));
@@ -57,6 +59,7 @@ public class RockerView extends View{
             case "GO":
                 // TODO Auto-generated method stub
                 try {
+                    Log.d("wifirobot","moveup");
                     socketWriter.write(new byte[]{(byte) 0xff, (byte) 0x00, (byte) 0x01, (byte) 0x00, (byte) 0xff});
                     socketWriter.flush();
                 } catch (Exception e) {