diff --git a/modify.sh b/modify.sh
index 4bff07b..1cd7a3a 100644
--- a/modify.sh
+++ b/modify.sh
@@ -28,5 +28,7 @@ for i in `seq 0 4`;do
 	echo try $i times 
 	if do_it;then
 	    exit 0
+	else
+            sleep 60
 	fi
 done