diff --git a/src/api/rest/server/mcir/securitygroup.go b/src/api/rest/server/mcir/securitygroup.go
index 7c33a2657..bcd89604e 100644
--- a/src/api/rest/server/mcir/securitygroup.go
+++ b/src/api/rest/server/mcir/securitygroup.go
@@ -30,7 +30,7 @@ import (
 // @Accept  json
 // @Produce  json
 // @Param nsId path string true "Namespace ID" default(ns01)
-// @Param option query string false "Option" Enums(register)
+// @Param option query string false "Option: [required params for register] connectionName, name, vNetId, cspSecurityGroupId" Enums(register)
 // @Param securityGroupReq body mcir.TbSecurityGroupReq true "Details for an securityGroup object"
 // @Success 200 {object} mcir.TbSecurityGroupInfo
 // @Failure 404 {object} common.SimpleMsg
diff --git a/src/api/rest/server/mcir/sshkey.go b/src/api/rest/server/mcir/sshkey.go
index c3272c220..04d2c0b68 100644
--- a/src/api/rest/server/mcir/sshkey.go
+++ b/src/api/rest/server/mcir/sshkey.go
@@ -30,6 +30,7 @@ import (
 // @Accept  json
 // @Produce  json
 // @Param nsId path string true "Namespace ID" default(ns01)
+// @Param option query string false "Option: [required params for register] connectionName, name, cspSshKeyId, fingerprint, username, publicKey, privateKey" Enums(register)
 // @Param sshKeyInfo body mcir.TbSshKeyReq true "Details for an SSH Key object"
 // @Success 200 {object} mcir.TbSshKeyInfo
 // @Failure 404 {object} common.SimpleMsg
diff --git a/src/api/rest/server/mcir/vnet.go b/src/api/rest/server/mcir/vnet.go
index 3a2df891c..aa061b43d 100644
--- a/src/api/rest/server/mcir/vnet.go
+++ b/src/api/rest/server/mcir/vnet.go
@@ -30,7 +30,7 @@ import (
 // @Accept  json
 // @Produce  json
 // @Param nsId path string true "Namespace ID" default(ns01)
-// @Param option query string false "Option" Enums(register)
+// @Param option query string false "Option: [required params for register] connectionName, name, cspVNetId" Enums(register)
 // @Param vNetReq body mcir.TbVNetReq true "Details for an VNet object"
 // @Success 200 {object} mcir.TbVNetInfo
 // @Failure 404 {object} common.SimpleMsg