diff --git a/mptcp/files/usr/share/omr/post-tracking.d/post-tracking b/mptcp/files/usr/share/omr/post-tracking.d/post-tracking
index d6f225f10..5c2b1e4de 100755
--- a/mptcp/files/usr/share/omr/post-tracking.d/post-tracking
+++ b/mptcp/files/usr/share/omr/post-tracking.d/post-tracking
@@ -728,7 +728,7 @@ if [ "$(pgrep ss-redir)" = "" ] && [ "$(pgrep ss-local)" = "" ] && [ "$(uci -q g
 	/etc/init.d/shadowsocks-libev restart
 	sleep 5
 fi
-if [ "$(pgrep glorytun)" = "" ] && [ "$(uci -q get glorytun.vpn.enable)" = "1" ] && [ -f /etc/init.d/glorytun ]; then
+if [ "$(pgrep glorytun)" = "" ] && [ "$(uci -q get glorytun.vpn.enable)" = "1" ] && [ -f /etc/init.d/glorytun ] && [ "$(uci -q get glorytun.vpn.key)" != "" ]; then
 	_log "Can't find Glorytun, restart it..."
 	/etc/init.d/glorytun restart
 	/etc/init.d/glorytun-udp restart
@@ -749,12 +749,12 @@ if [ "$(pgrep openvpn)" = "" ] && [ -f /etc/init.d/openvpn ]; then
 	fi
 fi
 
-if [ "$(pgrep mlvpn)" = "" ] && [ "$(uci -q get mlvpn.general.enable)" = "1" ] && [ -f /etc/init.d/mlvpn ]; then
+if [ "$(pgrep mlvpn)" = "" ] && [ "$(uci -q get mlvpn.general.enable)" = "1" ] && [ -f /etc/init.d/mlvpn ] && [ "$(uci -q get mlvpn.general.password)" != "" ]; then
 	_log "Can't find MLVPN, restart it..."
 	/etc/init.d/mlvpn restart
 	sleep 5
 fi
-if [ "$(pgrep dsvpn)" = "" ] && [ "$(uci -q get dsvpn.vpn.enable)" = "1" ] && [ -f /etc/init.d/dsvpn ]; then
+if [ "$(pgrep dsvpn)" = "" ] && [ "$(uci -q get dsvpn.vpn.enable)" = "1" ] && [ -f /etc/init.d/dsvpn ] && [ "$(uci -q get dsvpn.vpn.key)" != "" ]; then
 	_log "Can't find DSVPN, restart it..."
 	/etc/init.d/dsvpn restart
 	sleep 5