diff --git a/WebRTCController/app/src/main/java/com/tt/controller/view/RemoteTouchView.java b/WebRTCController/app/src/main/java/com/tt/controller/view/RemoteTouchView.java
index f4b17fc..b83b2a4 100644
--- a/WebRTCController/app/src/main/java/com/tt/controller/view/RemoteTouchView.java
+++ b/WebRTCController/app/src/main/java/com/tt/controller/view/RemoteTouchView.java
@@ -22,6 +22,8 @@ public class RemoteTouchView extends SurfaceView {
 
     private float lastTouchX;
     private float lastTouchY;
+    private float lastAbsX;
+    private float lastAbsY;
     private long swipeStartTime;
 
     public interface TouchEventListener {
@@ -49,8 +51,12 @@ public class RemoteTouchView extends SurfaceView {
     public boolean onTouchEvent(MotionEvent event) {
         if (listener == null) return super.onTouchEvent(event);
 
-        float relX = event.getX() / getWidth();
-        float relY = event.getY() / getHeight();
+        float absX = event.getX();
+        float absY = event.getY();
+        Log.d(TAG, "onTouchEvent: absX=" + absX + ", absY=" + absY);
+
+        float relX = absX / getWidth();
+        float relY = absY / getHeight();
 
         // 确保坐标在 [0, 1] 范围内
         relX = Math.max(0, Math.min(1, relX));
@@ -60,13 +66,13 @@ public class RemoteTouchView extends SurfaceView {
             case MotionEvent.ACTION_DOWN:
                 lastTouchX = relX;
                 lastTouchY = relY;
+                lastAbsX = absX;
+                lastAbsY = absY;
                 swipeStartTime = System.currentTimeMillis();
                 return true;
 
             case MotionEvent.ACTION_MOVE:
-                // 实时更新坐标（可选：用于拖拽效果）
-                lastTouchX = relX;
-                lastTouchY = relY;
+                // 仅返回 true 以持续接收事件，不更新起始坐标，确保 onSwipe 计算的是从按下点开始的位移
                 return true;
 
             case MotionEvent.ACTION_UP:
@@ -77,11 +83,11 @@ public class RemoteTouchView extends SurfaceView {
                 if (duration < 200 && dx < 0.02 && dy < 0.02) {
                     // 点击事件
                     listener.onTouch(lastTouchX, lastTouchY);
-                    Log.d(TAG, "Touch at: " + lastTouchX + ", " + lastTouchY);
+                    Log.d(TAG, "Touch at: " + lastTouchX + ", " + lastTouchY + " (abs: " + absX + ", " + absY + ")");
                 } else {
                     // 滑动事件
                     listener.onSwipe(lastTouchX, lastTouchY, relX, relY, duration);
-                    Log.d(TAG, "Swipe from (" + lastTouchX + "," + lastTouchY + ") to (" + relX + "," + relY + ")");
+                    Log.d(TAG, "Swipe from (" + lastTouchX + "," + lastTouchY + ") [abs: " + lastAbsX + "," + lastAbsY + "] to (" + relX + "," + relY + ") [abs: " + absX + "," + absY + "]");
                 }
                 return true;
         }