diff --git a/related_info/lab1/lab1-boot-with-grub2-in-udisk.md b/related_info/lab1/lab1-boot-with-grub2-in-udisk.md
index 8844ef8..3fecc8b 100644
--- a/related_info/lab1/lab1-boot-with-grub2-in-udisk.md
+++ b/related_info/lab1/lab1-boot-with-grub2-in-udisk.md
@@ -57,7 +57,7 @@ grub-install --force --no-floppy --root-directory=/media/MULTIBOOT/ /dev/sdb1
 其内容如下：
 ```
 menuentry 'ucore-lab1' {
-	knetbsd /boot/ucore-lab1
+	knetbsd /boot/grub_kernel
 }
 ```
 创建完`grub.cfg`文件后，再把编译生成的`grub_kernel`拷贝到`/media/MULTIBOOT/boot`目录下。