diff --git a/VKernel/Kernel/drivers/devfs/devfs.vp b/VKernel/Kernel/drivers/devfs/devfs.vp
index 9a37a0c..d2bd28d 100644
--- a/VKernel/Kernel/drivers/devfs/devfs.vp
+++ b/VKernel/Kernel/drivers/devfs/devfs.vp
@@ -429,7 +429,8 @@ kbd_file: keyboard_device* = keyboard_device()
 def devfs_register_keyboard() -> int:
     global kbd_file
     kbd_file.__init__()
-    keyboard.init()
+    # 初始化只由 services/keyboard.start() 做一次：重复 init 会二次读改写 8042 的 CCB，
+    # 把数据上报/中断掩码弄乱（现场：设备能 open，但键盘永远没有数据）。
     return devfs_create_file("/dev/input/keyboard", kbd_file, None)