diff --git a/checkService.sh b/checkService.sh
index b947706..5e8678f 100755
--- a/checkService.sh
+++ b/checkService.sh
@@ -78,6 +78,7 @@ function compare(){
 }
 
 function restart(){
+  sleep 4
   systemctl restart $serviceName
   if [ $? -ne 0 ]; then
     echo "error: systemctl restart ${serviceName} failed!"