diff --git a/run.sh b/run.sh
index 3f7d6e0..6de28be 100644
--- a/run.sh
+++ b/run.sh
@@ -6,13 +6,13 @@ function run(){
   while true
   do
     pid=`findPortPid $webPort`
-    if [ $pid ]
+    if [ -z $pid ]
     then
-      echo "pid is $pid"
-      break
-    else
       echo "pid not found!!!"
       sleep 1s
+    else
+      echo "pid is $pid"
+      break
     fi
   done