diff --git a/docs/linux/env/Ubuntu-server.md b/docs/linux/env/Ubuntu-server.md
index 2dcb3deb..3ee947b6 100644
--- a/docs/linux/env/Ubuntu-server.md
+++ b/docs/linux/env/Ubuntu-server.md
@@ -174,4 +174,6 @@ update-initramfs -u -k $(uname -r)
 
 - `netplan apply`
 
-- `reboot`
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+- `reboot`
+
+> 内核更新后重新安装: `apt install ./realtek-r8125-9.012.04-1_amd64.deb --reinstall`
\ No newline at end of file