diff --git a/README.md b/README.md
index 9b6c131..8724ddc 100644
--- a/README.md
+++ b/README.md
@@ -17,3 +17,13 @@ pio run -e cyd -t upload --upload-port COM3
 ```
 
 或 `firmware/cyd/flash.bat`。
+
+浏览器刷写（推荐）：在 [`../cydweb`](../cydweb) 运行 `npm run dev`，打开 http://localhost:3000 ，选择 **CYD Pomodoro**。
+
+更新预编译包：
+
+```powershell
+.\firmware\export_from_build.ps1
+# 仅复制已有构建：
+.\firmware\export_from_build.ps1 -SkipBuild
+```
diff --git a/firmware/README.md b/firmware/README.md
index 359f8f9..ae6a62e 100644
--- a/firmware/README.md
+++ b/firmware/README.md
@@ -3,9 +3,11 @@
 当前归档目录：[`cyd/`](cyd/)
 
 对应板子：**CYD ESP32-2432S028R**（ILI9341）  
-功能：TF 卡信息 + 触屏扬声器控制  
+功能：**番茄钟（Pomodoro）** + 触控喇叭 + TF 状态  
 版本信息见 [`cyd/VERSION.txt`](cyd/VERSION.txt)。
 
+也可在 [`../../cydweb`](../../cydweb)（CYD Flasher）里通过浏览器串口刷写本目录固件。
+
 ## 直接刷写（无需重新编译）
 
 1. USB 连接板子  
diff --git a/firmware/cyd/VERSION.txt b/firmware/cyd/VERSION.txt
index 2b4b0c9..22a370f 100644
--- a/firmware/cyd/VERSION.txt
+++ b/firmware/cyd/VERSION.txt
@@ -1,8 +1,8 @@
-name: CYD TF card + touch speaker (cyd)
-git: 7c6eb9a
-date: 2026-10-17
+name: CYD Pomodoro (cyd)
+git: 54a70d0
+date: 2026-10-19
 board: ESP32-2432S028R (ILI9341)
-features: TF/SD info, SoftSPI touch, GPIO26 speaker
+features: Pomodoro timer, SoftSPI touch, GPIO26 speaker, TF status
 flash_size: 4MB
 offsets:
   0x1000  bootloader.bin
@@ -12,5 +12,5 @@ offsets:
 sha256:
   bootloader.bin  3D234A7471F67B013686DABD4DEE7C1FA915C9928463616A94BC9297ACF1ABF8
   boot_app0.bin   F94C5D786A7A8FAB06AC5D10E33BF37711A6697636DC037559EA19CC410A17F0
-  firmware.bin    C2BD52279AFB3E40C45358CA05493EF0255F708858A3F5132417AEAC0B6EE25F
+  firmware.bin    4C064140E8F8E0D2DD55D0085F7974FA57CAF5A24DFFACC9B3ECF03B576A033B
   partitions.bin  148B959CBFF1C38AA8E1D5C0BA9D612C54997B945E56A63F41223EEF650653A1
diff --git a/firmware/cyd/firmware.bin b/firmware/cyd/firmware.bin
index d911242..bb03f92 100644
Binary files a/firmware/cyd/firmware.bin and b/firmware/cyd/firmware.bin differ
diff --git a/firmware/export_from_build.ps1 b/firmware/export_from_build.ps1
index d049dd1..08727fe 100644
--- a/firmware/export_from_build.ps1
+++ b/firmware/export_from_build.ps1
@@ -38,11 +38,11 @@ try { $git = (git -C $root rev-parse --short HEAD).Trim() } catch { $git = "unkn
 $date = Get-Date -Format "yyyy-MM-dd"
 $hashes = Get-ChildItem (Join-Path $dst "*.bin") | Get-FileHash -Algorithm SHA256
 $lines = @(
-  "name: CYD TF card + touch speaker (cyd)",
+  "name: CYD Pomodoro (cyd)",
   "git: $git",
   "date: $date",
   "board: ESP32-2432S028R (ILI9341)",
-  "features: TF/SD info, SoftSPI touch, GPIO26 speaker",
+  "features: Pomodoro timer, SoftSPI touch, GPIO26 speaker, TF status",
   "flash_size: 4MB",
   "offsets:",
   "  0x1000  bootloader.bin",