From 9e1f577c081b9c43ea71635cf28587ba31609de5 Mon Sep 17 00:00:00 2001
From: ioito <qu_xuan@icloud.com>
Date: Sat, 27 Apr 2019 17:06:25 +0800
Subject: [PATCH] =?UTF-8?q?=E9=81=BF=E5=85=8Dnil=E6=8C=87=E9=92=88?=
 =?UTF-8?q?=E8=AE=BF=E9=97=AE?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 pkg/compute/models/guest_actions.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkg/compute/models/guest_actions.go b/pkg/compute/models/guest_actions.go
index 5ab4cc8793..cca7a00439 100644
--- a/pkg/compute/models/guest_actions.go
+++ b/pkg/compute/models/guest_actions.go
@@ -1175,7 +1175,10 @@ func (self *SGuest) PerformRebuildRoot(ctx context.Context, userCred mcclient.To
 
 func (self *SGuest) GetTemplateId() string {
 	gdc := self.CategorizeDisks()
-	return gdc.Root.GetTemplateId()
+	if gdc.Root != nil {
+		gdc.Root.GetTemplateId()
+	}
+	return ""
 }
 
 func (self *SGuest) StartRebuildRootTask(ctx context.Context, userCred mcclient.TokenCredential, imageId string, needStop, autoStart bool, passwd string, resetPasswd bool, allDisk bool) error {