diff --git a/env/app_monitor.sh b/env/app_monitor.sh
index cdb6ea1..ead539f 100755
--- a/env/app_monitor.sh
+++ b/env/app_monitor.sh
@@ -8,7 +8,8 @@ while true; do
     if [ $? -ne 0 ]; then
         echo "app.out is not running, restart it"
         cd /app
-        ./app.sh
+        ./app.sh &
+        sleep 3
     fi
     sleep 1
 done