diff --git a/README.md b/README.md
index 898996e..76f497e 100644
--- a/README.md
+++ b/README.md
@@ -786,10 +786,11 @@ fbterm
 安装 RealVNC
 
 ```
-apt update
+dpkg --add-architecture armhf ; apt update
 cd ~ ; wget https://www.realvnc.com/download/file/vnc.files/VNC-Server-6.5.0-Linux-ARM.deb
 apt install ./VNC-Server-6.5.0-Linux-ARM.deb
 rm -rf ./VNC-Server-6.4.0-Linux-ARM.deb
+dpkg --remove-architecture armhf ; apt update
 systemctl enable vncserver-x11-serviced.service ; systemctl start vncserver-x11-serviced.service
 ```