diff --git a/pkg/cloudcommon/db/opslog_const.go b/pkg/cloudcommon/db/opslog_const.go
index 809528522f..f98cfe7f4e 100644
--- a/pkg/cloudcommon/db/opslog_const.go
+++ b/pkg/cloudcommon/db/opslog_const.go
@@ -317,5 +317,6 @@ const (
 	ACT_ENCRYPT_FAIL  = "encrypt_fail"
 	ACT_ENCRYPT_DONE  = "encrypted"
 
-	ACT_BIND = "bind"
+	ACT_BIND   = "bind"
+	ACT_UNBIND = "unbind"
 )