diff --git a/core/function-impl/mogo-core-function-hmi/src/main/java/com/mogo/eagle/core/function/main/MainLauncherActivity.java b/core/function-impl/mogo-core-function-hmi/src/main/java/com/mogo/eagle/core/function/main/MainLauncherActivity.java
index 2a5abafc94..0833d41030 100644
--- a/core/function-impl/mogo-core-function-hmi/src/main/java/com/mogo/eagle/core/function/main/MainLauncherActivity.java
+++ b/core/function-impl/mogo-core-function-hmi/src/main/java/com/mogo/eagle/core/function/main/MainLauncherActivity.java
@@ -10,6 +10,7 @@ import android.os.Bundle;
 import android.os.Handler;
 import android.os.Process;
 import android.text.TextUtils;
+import android.util.Log;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
 import android.widget.FrameLayout;
@@ -160,10 +161,10 @@ public class MainLauncherActivity extends MainActivity implements IMogoIntentLis
 
     @Override
     public boolean onKeyDown(int keyCode, KeyEvent event) {
-        if (keyCode == KeyEvent.KEYCODE_VOLUME_UP){
+        if (keyCode == KeyEvent.KEYCODE_VOLUME_UP){ //向上长按
             ToastUtils.showShort("↑↑↑");
             return true;
-        }else if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN){
+        }else if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN){ //下和中间键盘长按，减速为-2
             ToastUtils.showShort("↓↓↓");
             return true;
         }
@@ -172,20 +173,21 @@ public class MainLauncherActivity extends MainActivity implements IMogoIntentLis
 
     @Override
     public boolean dispatchTouchEvent(MotionEvent event) {
-        if(event.getX()== -1469.6875 && event.getY()==530.0){
-            ToastUtils.showShort("←");
+        Log.d("liyz", "dispatchTouchEvent event.getX() = " + event.getX() + "--event.getY() = " + event.getY());
+        if(event.getX()== -1469.6875 && event.getY()==530.0){ //向左变道
+            ToastUtils.showShort("← 向左变道");
             return true;
-        }else if(event.getX()== -1096.25  && event.getY()==132.5){
-            ToastUtils.showShort("↑");
+        }else if(event.getX()== -1096.25  && event.getY()==132.5){ //鸣笛
+            ToastUtils.showShort("↑ 鸣笛 ");
             return true;
-        }else if(event.getX()== -863.4375 && event.getY()==690.0){
-            ToastUtils.showShort("→");
+        }else if(event.getX()== -863.4375 && event.getY()==690.0){ //向右变道
+            ToastUtils.showShort("→ 向右变道");
             return true;
-        }else if(event.getX()== -1096.25 && event.getY()==1099.0){
+        }else if(event.getX()== -1096.25 && event.getY()==1099.0){ // -1减速
             ToastUtils.showShort("↓");
             return true;
-        }else if(event.getX()== -1096.25 && event.getY()==690.0){
-            ToastUtils.showShort("O");
+        }else if(event.getX()== -1096.25 && event.getY()==690.0){ //复原
+            ToastUtils.showShort("O 复原 ");
             return true;
         }
         return super.dispatchTouchEvent(event);
@@ -199,6 +201,8 @@ public class MainLauncherActivity extends MainActivity implements IMogoIntentLis
         //→ x:-863.4375    y:   690.0
         //↓ x:-1096.25       y：1099.0
         //O x:-1096.25       y：690.0
+        Log.d("liyz", "onTouchEvent event.getX() = " + event.getX() + "--event.getY() = " + event.getY());
+
         if(event.getX()== -1469.6875 && event.getY()==530.0){
             ToastUtils.showShort("←");
             return true;