diff --git a/tools/deploy/obd.sh b/tools/deploy/obd.sh
index 777080d6d2..bde2d12518 100755
--- a/tools/deploy/obd.sh
+++ b/tools/deploy/obd.sh
@@ -533,7 +533,6 @@ Options:
 --cp                                     Exec copy.sh.
 --reboot                                 Redeploy cluster before mysqltest
 
-https://yuque.antfin-inc.com/docs/share/7f5dc9e8-dbe8-4f59-852d-b7ce57b88fdd
 """
 }