diff --git a/firmware/cyd/VERSION.txt b/firmware/cyd/VERSION.txt
index 44dd075..3684e55 100644
--- a/firmware/cyd/VERSION.txt
+++ b/firmware/cyd/VERSION.txt
@@ -1,5 +1,5 @@
 name: CYD TF card + touch speaker (cyd)
-git: 8705827
+git: f2b14eb
 date: 2026-10-17
 board: ESP32-2432S028R (ILI9341)
 features: TF/SD info, SoftSPI touch, GPIO26 speaker
@@ -12,5 +12,5 @@ offsets:
 sha256:
   bootloader.bin  3D234A7471F67B013686DABD4DEE7C1FA915C9928463616A94BC9297ACF1ABF8
   boot_app0.bin   F94C5D786A7A8FAB06AC5D10E33BF37711A6697636DC037559EA19CC410A17F0
-  firmware.bin    DB8EEBFEF7FF0995BBF7AF3D525CDE2560060CC008C2656094CF28C6DD7FEEAB
+  firmware.bin    6A14D85F7466922C021B3288B7246987FD57DEC850741991C6E7671EA1BF7785
   partitions.bin  148B959CBFF1C38AA8E1D5C0BA9D612C54997B945E56A63F41223EEF650653A1
diff --git a/firmware/cyd/firmware.bin b/firmware/cyd/firmware.bin
index b0bc9a1..73d21b7 100644
Binary files a/firmware/cyd/firmware.bin and b/firmware/cyd/firmware.bin differ
diff --git a/src/touch.cpp b/src/touch.cpp
index 6cb0295..87002f6 100644
--- a/src/touch.cpp
+++ b/src/touch.cpp
@@ -95,6 +95,10 @@ void touch_read_cb(lv_indev_t * /*indev*/, lv_indev_data_t *data) {
     y = SCREEN_HEIGHT - 1;
   }
 
+  // BL↔TR 对角反了：物理坐标整体旋转 180°
+  x = (int16_t)((SCREEN_WIDTH - 1) - x);
+  y = (int16_t)((SCREEN_HEIGHT - 1) - y);
+
   // LVGL 270 → UI
   g_dbg_phys_x = x;
   g_dbg_phys_y = y;