diff --git a/app/src/main/java/spider65/ebike/tsdz2_esp32/MainActivity.java b/app/src/main/java/spider65/ebike/tsdz2_esp32/MainActivity.java
index 5c1f3d6..54c51cc 100644
--- a/app/src/main/java/spider65/ebike/tsdz2_esp32/MainActivity.java
+++ b/app/src/main/java/spider65/ebike/tsdz2_esp32/MainActivity.java
@@ -114,7 +114,7 @@ protected void onCreate(Bundle savedInstanceState) {
         mainPagerAdapter = new MainPagerAdapter(this, status);
         ViewPager2 viewPager = findViewById(R.id.view_pager);
         viewPager.setAdapter(mainPagerAdapter);
-        viewPager.setOnTouchListener(this);
+        viewPager.getChildAt(0).setOnTouchListener(this);
 
         viewPager.registerOnPageChangeCallback(new  ViewPager2.OnPageChangeCallback() {
             @Override