diff --git a/run.sh b/run.sh
index 6de28be..3d511a2 100644
--- a/run.sh
+++ b/run.sh
@@ -5,7 +5,7 @@ function run(){
 
   while true
   do
-    pid=`findPortPid $webPort`
+    pid=`findPortPid $PORT`
     if [ -z $pid ]
     then
       echo "pid not found!!!"