diff --git a/pkg/compute/guestdrivers/aliyun.go b/pkg/compute/guestdrivers/aliyun.go
index c505754ac8..9b3877a8ca 100644
--- a/pkg/compute/guestdrivers/aliyun.go
+++ b/pkg/compute/guestdrivers/aliyun.go
@@ -200,14 +200,6 @@ func (self *SAliyunGuestDriver) GetInstanceCapability() cloudprovider.SInstanceC
 	}
 }
 
-func (self *SAliyunGuestDriver) GetLinuxDefaultAccount(desc cloudprovider.SManagedVMCreateConfig) string {
-	userName := "root"
-	if desc.OsType == "Windows" {
-		userName = "Administrator"
-	}
-	return userName
-}
-
 func (self *SAliyunGuestDriver) AllowReconfigGuest() bool {
 	return true
 }
diff --git a/pkg/compute/guestdrivers/apsara.go b/pkg/compute/guestdrivers/apsara.go
index 83e9413965..001bbab102 100644
--- a/pkg/compute/guestdrivers/apsara.go
+++ b/pkg/compute/guestdrivers/apsara.go
@@ -17,7 +17,6 @@ package guestdrivers
 import (
 	api "yunion.io/x/onecloud/pkg/apis/compute"
 	"yunion.io/x/onecloud/pkg/cloudcommon/db/quotas"
-	"yunion.io/x/onecloud/pkg/cloudprovider"
 	"yunion.io/x/onecloud/pkg/compute/models"
 	"yunion.io/x/onecloud/pkg/mcclient"
 	"yunion.io/x/onecloud/pkg/util/billing"
@@ -61,14 +60,6 @@ func (self *SApsaraGuestDriver) GetGuestInitialStateAfterRebuild() string {
 	return api.VM_READY
 }
 
-func (self *SApsaraGuestDriver) GetLinuxDefaultAccount(desc cloudprovider.SManagedVMCreateConfig) string {
-	userName := "root"
-	if desc.OsType == "Windows" {
-		userName = "Administrator"
-	}
-	return userName
-}
-
 func (self *SApsaraGuestDriver) AllowReconfigGuest() bool {
 	return true
 }
diff --git a/pkg/compute/guestdrivers/aws.go b/pkg/compute/guestdrivers/aws.go
index f541a89a59..8f4249d7dd 100644
--- a/pkg/compute/guestdrivers/aws.go
+++ b/pkg/compute/guestdrivers/aws.go
@@ -20,6 +20,7 @@ import (
 	"strings"
 
 	"yunion.io/x/pkg/errors"
+	"yunion.io/x/pkg/util/osprofile"
 	"yunion.io/x/pkg/utils"
 
 	api "yunion.io/x/onecloud/pkg/apis/compute"
@@ -117,10 +118,9 @@ func (self *SAwsGuestDriver) GetInstanceCapability() cloudprovider.SInstanceCapa
 	}
 }
 
-func (self *SAwsGuestDriver) GetLinuxDefaultAccount(desc cloudprovider.SManagedVMCreateConfig) string {
-	// return fetchAwsUserName(desc)
-	if desc.OsType == "Windows" {
-		return api.VM_AWS_DEFAULT_WINDOWS_LOGIN_USER
+func (self *SAwsGuestDriver) GetDefaultAccount(desc cloudprovider.SManagedVMCreateConfig) string {
+	if strings.ToLower(desc.OsType) == strings.ToLower(osprofile.OS_TYPE_WINDOWS) {
+		return api.VM_DEFAULT_WINDOWS_LOGIN_USER
 	}
 
 	return api.VM_AWS_DEFAULT_LOGIN_USER
diff --git a/pkg/compute/guestdrivers/azure.go b/pkg/compute/guestdrivers/azure.go
index 7709e66419..bdcdde2bbb 100644
--- a/pkg/compute/guestdrivers/azure.go
+++ b/pkg/compute/guestdrivers/azure.go
@@ -252,7 +252,7 @@ func (self *SAzureGuestDriver) GetInstanceCapability() cloudprovider.SInstanceCa
 	}
 }
 
-func (self *SAzureGuestDriver) GetLinuxDefaultAccount(desc cloudprovider.SManagedVMCreateConfig) string {
+func (self *SAzureGuestDriver) GetDefaultAccount(desc cloudprovider.SManagedVMCreateConfig) string {
 	return api.VM_AZURE_DEFAULT_LOGIN_USER
 }
 
diff --git a/pkg/compute/guestdrivers/base.go b/pkg/compute/guestdrivers/base.go
index c3df1154c1..5dae113a98 100644
--- a/pkg/compute/guestdrivers/base.go
+++ b/pkg/compute/guestdrivers/base.go
@@ -18,10 +18,12 @@ import (
 	"context"
 	"fmt"
 	"net/http"
+	"strings"
 	"time"
 
 	"yunion.io/x/jsonutils"
 	"yunion.io/x/pkg/errors"
+	"yunion.io/x/pkg/util/osprofile"
 
 	api "yunion.io/x/onecloud/pkg/apis/compute"
 	"yunion.io/x/onecloud/pkg/cloudcommon/db/quotas"
@@ -342,12 +344,11 @@ func (self *SBaseGuestDriver) GetUserDataType() string {
 	return cloudprovider.CLOUD_CONFIG
 }
 
-func (self *SBaseGuestDriver) GetLinuxDefaultAccount(desc cloudprovider.SManagedVMCreateConfig) string {
-	userName := "root"
-	if desc.OsType == "Windows" {
-		userName = "Administrator"
+func (self *SBaseGuestDriver) GetDefaultAccount(desc cloudprovider.SManagedVMCreateConfig) string {
+	if strings.ToLower(desc.OsType) == strings.ToLower(osprofile.OS_TYPE_WINDOWS) {
+		return api.VM_DEFAULT_WINDOWS_LOGIN_USER
 	}
-	return userName
+	return api.VM_DEFAULT_LINUX_LOGIN_USER
 }
 
 func (self *SBaseGuestDriver) OnGuestChangeCpuMemFailed(ctx context.Context, guest *models.SGuest, data *jsonutils.JSONDict, task taskman.ITask) error {
diff --git a/pkg/compute/guestdrivers/ctyun.go b/pkg/compute/guestdrivers/ctyun.go
index eb38088a55..5476b38902 100644
--- a/pkg/compute/guestdrivers/ctyun.go
+++ b/pkg/compute/guestdrivers/ctyun.go
@@ -113,14 +113,6 @@ func (self *SCtyunGuestDriver) ValidateResizeDisk(guest *models.SGuest, disk *mo
 	return nil
 }
 
-func (self *SCtyunGuestDriver) GetLinuxDefaultAccount(desc cloudprovider.SManagedVMCreateConfig) string {
-	if desc.OsType == "Windows" {
-		return "Administrator"
-	}
-
-	return "root"
-}
-
 func init() {
 	driver := SCtyunGuestDriver{}
 	models.RegisterGuestDriver(&driver)
diff --git a/pkg/compute/guestdrivers/ecloud.go b/pkg/compute/guestdrivers/ecloud.go
index 3233c07499..5ef7f9f2d3 100644
--- a/pkg/compute/guestdrivers/ecloud.go
+++ b/pkg/compute/guestdrivers/ecloud.go
@@ -90,14 +90,6 @@ func (self *SEcloudGuestDriver) ValidateResizeDisk(guest *models.SGuest, disk *m
 	return errors.ErrNotImplemented
 }
 
-func (self *SEcloudGuestDriver) GetLinuxDefaultAccount(desc cloudprovider.SManagedVMCreateConfig) string {
-	if desc.OsType == "Windows" {
-		return "Administrator"
-	}
-
-	return "root"
-}
-
 func init() {
 	driver := SEcloudGuestDriver{}
 	models.RegisterGuestDriver(&driver)
diff --git a/pkg/compute/guestdrivers/huawei.go b/pkg/compute/guestdrivers/huawei.go
index f84fc5a921..425a6a48ea 100644
--- a/pkg/compute/guestdrivers/huawei.go
+++ b/pkg/compute/guestdrivers/huawei.go
@@ -139,14 +139,6 @@ func (self *SHuaweiGuestDriver) GetInstanceCapability() cloudprovider.SInstanceC
 	}
 }
 
-func (self *SHuaweiGuestDriver) GetLinuxDefaultAccount(desc cloudprovider.SManagedVMCreateConfig) string {
-	userName := "root"
-	if desc.OsType == "Windows" {
-		userName = "Administrator"
-	}
-	return userName
-}
-
 func (self *SHuaweiGuestDriver) IsSupportedBillingCycle(bc billing.SBillingCycle) bool {
 	months := bc.GetMonths()
 	if (months >= 1 && months <= 9) || (months == 12) || (months == 24) || (months == 36) {
diff --git a/pkg/compute/guestdrivers/managedvirtual.go b/pkg/compute/guestdrivers/managedvirtual.go
index eebe84f90d..38514c843b 100644
--- a/pkg/compute/guestdrivers/managedvirtual.go
+++ b/pkg/compute/guestdrivers/managedvirtual.go
@@ -388,7 +388,7 @@ func (self *SManagedVirtualizedGuestDriver) RequestDeployGuestOnHost(ctx context
 		}
 	}
 
-	desc.Account = guest.GetDriver().GetLinuxDefaultAccount(desc)
+	desc.Account = guest.GetDriver().GetDefaultAccount(desc)
 
 	if guest.GetDriver().IsNeedInjectPasswordByCloudInit(&desc) {
 		err = desc.InjectPasswordByCloudInit()
@@ -475,14 +475,6 @@ func (self *SManagedVirtualizedGuestDriver) GetGuestInitialStateAfterRebuild() s
 	return api.VM_READY
 }
 
-func (self *SManagedVirtualizedGuestDriver) GetLinuxDefaultAccount(desc cloudprovider.SManagedVMCreateConfig) string {
-	userName := "root"
-	if strings.ToLower(desc.OsType) == strings.ToLower(osprofile.OS_TYPE_WINDOWS) {
-		userName = "Administrator"
-	}
-	return userName
-}
-
 func (self *SManagedVirtualizedGuestDriver) RemoteDeployGuestForCreate(ctx context.Context, userCred mcclient.TokenCredential, guest *models.SGuest, host *models.SHost, desc cloudprovider.SManagedVMCreateConfig) (jsonutils.JSONObject, error) {
 	ihost, err := host.GetIHost()
 	if err != nil {
diff --git a/pkg/compute/guestdrivers/qcloud.go b/pkg/compute/guestdrivers/qcloud.go
index d124735956..1d1db3d0f3 100644
--- a/pkg/compute/guestdrivers/qcloud.go
+++ b/pkg/compute/guestdrivers/qcloud.go
@@ -17,7 +17,9 @@ package guestdrivers
 import (
 	"context"
 	"fmt"
+	"strings"
 
+	"yunion.io/x/pkg/util/osprofile"
 	"yunion.io/x/pkg/utils"
 
 	api "yunion.io/x/onecloud/pkg/apis/compute"
@@ -280,16 +282,17 @@ func (self *SQcloudGuestDriver) GetInstanceCapability() cloudprovider.SInstanceC
 	}
 }
 
-func (self *SQcloudGuestDriver) GetLinuxDefaultAccount(desc cloudprovider.SManagedVMCreateConfig) string {
-	userName := "root"
+func (self *SQcloudGuestDriver) GetDefaultAccount(desc cloudprovider.SManagedVMCreateConfig) string {
+	userName := api.VM_DEFAULT_LINUX_LOGIN_USER
 	if desc.ImageType == "system" {
 		if desc.OsDistribution == "Ubuntu" {
 			userName = "ubuntu"
 		}
 	}
-	if desc.OsType == "Windows" {
-		userName = "Administrator"
+	if strings.ToLower(desc.OsType) == strings.ToLower(osprofile.OS_TYPE_WINDOWS) {
+		userName = api.VM_DEFAULT_WINDOWS_LOGIN_USER
 	}
+
 	return userName
 }
 
diff --git a/pkg/compute/guestdrivers/ucloud.go b/pkg/compute/guestdrivers/ucloud.go
index 37bae09faa..10361423e2 100644
--- a/pkg/compute/guestdrivers/ucloud.go
+++ b/pkg/compute/guestdrivers/ucloud.go
@@ -111,14 +111,6 @@ func (self *SUCloudGuestDriver) GetInstanceCapability() cloudprovider.SInstanceC
 	}
 }
 
-func (self *SUCloudGuestDriver) GetLinuxDefaultAccount(desc cloudprovider.SManagedVMCreateConfig) string {
-	if desc.OsType == "Windows" {
-		return "Administrator"
-	}
-
-	return "root"
-}
-
 func init() {
 	driver := SUCloudGuestDriver{}
 	models.RegisterGuestDriver(&driver)
diff --git a/pkg/compute/guestdrivers/zstack.go b/pkg/compute/guestdrivers/zstack.go
index 80237a04b3..07f138b1a4 100644
--- a/pkg/compute/guestdrivers/zstack.go
+++ b/pkg/compute/guestdrivers/zstack.go
@@ -173,14 +173,6 @@ func (self *SZStackGuestDriver) GetInstanceCapability() cloudprovider.SInstanceC
 	}
 }
 
-func (self *SZStackGuestDriver) GetLinuxDefaultAccount(desc cloudprovider.SManagedVMCreateConfig) string {
-	userName := "root"
-	if desc.OsType == "Windows" {
-		userName = "Administrator"
-	}
-	return userName
-}
-
 func (self *SZStackGuestDriver) AllowReconfigGuest() bool {
 	return true
 }
diff --git a/pkg/compute/models/guestdrivers.go b/pkg/compute/models/guestdrivers.go
index ba77152e8b..0b27b84a66 100644
--- a/pkg/compute/models/guestdrivers.go
+++ b/pkg/compute/models/guestdrivers.go
@@ -96,7 +96,7 @@ type IGuestDriver interface {
 	RemoteDeployGuestForRebuildRoot(ctx context.Context, guest *SGuest, ihost cloudprovider.ICloudHost, task taskman.ITask, desc cloudprovider.SManagedVMCreateConfig) (jsonutils.JSONObject, error)
 	GetGuestInitialStateAfterCreate() string
 	GetGuestInitialStateAfterRebuild() string
-	GetLinuxDefaultAccount(desc cloudprovider.SManagedVMCreateConfig) string
+	GetDefaultAccount(desc cloudprovider.SManagedVMCreateConfig) string
 	GetInstanceCapability() cloudprovider.SInstanceCapability
 
 	OnGuestDeployTaskDataReceived(ctx context.Context, guest *SGuest, task taskman.ITask, data jsonutils.JSONObject) error