diff --git a/docs/biso_kvm.md b/docs/biso_kvm.md
index cfcba37..c872426 100644
--- a/docs/biso_kvm.md
+++ b/docs/biso_kvm.md
@@ -2,40 +2,40 @@
 
 ## 开启KVM硬件加速支持
 
-1. 开机按住 "ESC"
+### 1. 开机按住 "ESC"
 
 ![boot_loader_screen](/images/boot_loader_screen.png)
 
-2. 进入 "BIOS设置"
+### 2. 进入 "BIOS设置"
 
 ![bios_main](/images/bios_main.png)
 
-3. 选择 "Device Manager"
+### 3. 选择 "Device Manager"
 
 ![bios_s1](/images/bios_s1.png)
 
-4. 选择 "Raspberry Pi Configuration"
+### 4. 选择 "Raspberry Pi Configuration"
 
 ![bios_s2](/images/bios_s2.png)
 
-5. 选择 "HypDxe Configuration"
+### 5. 选择 "HypDxe Configuration"
 
 ![bios_s3](/images/bios_s3.png)
 
-6. 选择 "System Boot Mode"
+### 6. 选择 "System Boot Mode"
 
 ![bios_s4](/images/bios_s4.png)
 
-7. 选择 "Boot in EL2" 开启 "KVM硬件加速"
+### 7. 选择 "Boot in EL2" 开启 "KVM硬件加速"
 
 ![bios_s5](/images/bios_s5.png)
 
-8. 按 "F10" 保存设置
+### 8. 按 "F10" 保存设置
 
 ![bios_s6](/images/bios_s6.png)
 
-9. 按 "ESC" 返回BIOS主界面，选择 "Continue" 继续
+### 9. 按 "ESC" 返回BIOS主界面，选择 "Continue" 继续
 
 ![bios_s7](/images/bios_s7.png)
 
-10. 配置完成，系统将自动重启
+### 10. 配置完成，系统将自动重启