NetVisor: fix grep in update (#9334)

Author: vhsdream

ct/netvisor.sh

@@ -51,7 +51,7 @@ function update_script() {
 
     cp /opt/netvisor.env.bak /opt/netvisor/.env
     LOCAL_IP="$(hostname -I | awk '{print $1}')"
-    if ! grep -q "PUBLIC_URL"; then
+    if ! grep -q "PUBLIC_URL" /opt/netvisor/.env; then
       sed -i "\|_PATH=|a\NETVISOR_PUBLIC_URL=http://${LOCAL_IP}:60072" /opt/netvisor/.env
     fi
     sed -i 's|_TARGET=.*$|_URL=http://127.0.0.1:60072|' /opt/netvisor/.env