diff --git a/_posts/Linux/virtual/qemu-guide.md b/_posts/Linux/virtual/qemu-guide.md
index 78df083..3a4cbb4 100644
--- a/_posts/Linux/virtual/qemu-guide.md
+++ b/_posts/Linux/virtual/qemu-guide.md
@@ -48,7 +48,11 @@ qemu-system-x86_64 -hda ./win10.img -cdrom win10.iso  -boot d -enable-kvm -machi
 
 **示例**
 
+```sh
 qemu-system-x86_64  -smp 1,sockets=1,cores=2,threads=2 -boot cd -hda /server/kvm-1.qcow2  -enable-kvm​
+```
+`-enable-kvm​` 基于内核的虚拟机尽心模拟，相对于纯软件模拟性能提升很多！建议开启
+
 
 ## cpu
 
@@ -62,7 +66,6 @@ qemu-system-x86_64  -smp 1,sockets=1,cores=2,threads=2 -boot cd -hda /server/kvm
 
 ```sh
 qemu-system-x86_64 -m 1GB -boot cd -hda /server/kvm-1.qcow2 -mem-path /dev/hugepages 
-
 ```
 
 ## mem-path