diff --git a/03.PVE系统调整.md b/03.PVE系统调整.md
index fe62f72..868a22e 100644
--- a/03.PVE系统调整.md
+++ b/03.PVE系统调整.md
@@ -59,8 +59,9 @@ $ nano /etc/chrony/chrony.conf
 # pool 2.debian.pool.ntp.org iburst    ## 在这行前面增加注释符 # 来注释
 
 # Use Custom vendor zone.
-pool ntp.tencent.com iburst
 pool ntp.aliyun.com iburst
+pool ntp.tencent.com iburst
+pool cn.pool.ntp.org iburst
 
 ```