diff --git a/run.sh b/run.sh
index 4663e34..f06574d 100644
--- a/run.sh
+++ b/run.sh
@@ -5,7 +5,8 @@ export webClient=http://localhost:5000
 
 function run(){
   nohup yarn start &
-  findPortPid $PORT>$PORT.log
+  pid=`findPortPid $PORT`
+  ech $pid>$pid.log
 }
 
 if [ -e *.pid ]