diff --git a/pkg/compute/guestdrivers/aliyun.go b/pkg/compute/guestdrivers/aliyun.go
index 800fbeb234..c3d65f208b 100644
--- a/pkg/compute/guestdrivers/aliyun.go
+++ b/pkg/compute/guestdrivers/aliyun.go
@@ -53,6 +53,10 @@ func (self *SAliyunGuestDriver) GetDetachDiskStatus() ([]string, error) {
 	return []string{models.VM_READY, models.VM_RUNNING}, nil
 }
 
+func (self *SAliyunGuestDriver) RequestDetachDisk(ctx context.Context, guest *models.SGuest, task taskman.ITask) error {
+	return guest.StartSyncTask(ctx, task.GetUserCred(), false, task.GetTaskId())
+}
+
 func (self *SAliyunGuestDriver) ValidateCreateData(ctx context.Context, userCred mcclient.TokenCredential, data *jsonutils.JSONDict) (*jsonutils.JSONDict, error) {
 	data, err := self.SManagedVirtualizedGuestDriver.ValidateCreateData(ctx, userCred, data)
 	if err != nil {