diff --git a/arm_virt/README.md b/arm_virt/README.md
index ac10024d3d6884b23688de8232b1a225f9934d3a..cde70bfb0f135ac4c915715de6521d65ae629615 100755
--- a/arm_virt/README.md
+++ b/arm_virt/README.md
@@ -77,6 +77,12 @@ sudo ip link set dev br0 up
 sudo mkdir -p /etc/qemu
 echo 'allow br0' | sudo tee -a /etc/qemu/bridge.conf
 
+#If you have already compile and install qemu-6.0.0 from source code,Try to do below.
+qemu_path=`which qemu-system-arm`
+qemu_conf=${qemu_path:0:${#qemu_path}-20}
+sudo mkdir -p ${qemu_conf}/etc/qemu 
+echo 'allow br0' | sudo tee -a ${qemu_conf}/etc/qemu/bridge.conf
+
 # comment this if the file doesn't exist
 echo 0 | sudo tee /proc/sys/net/bridge/bridge-nf-call-iptables
 ```