From 819f50ccd50b6f7ff320e1341cf430356d5c01fb Mon Sep 17 00:00:00 2001
From: Dingjun <fangdingjun@gmail.com>
Date: Wed, 1 Aug 2018 17:38:56 +0800
Subject: [PATCH] fix panic issue on update avatar email (#4580) (#4581)

fix #4580
---
 routers/user/setting/profile.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/routers/user/setting/profile.go b/routers/user/setting/profile.go
index 22511ab891..6a2eacd09d 100644
--- a/routers/user/setting/profile.go
+++ b/routers/user/setting/profile.go
@@ -119,7 +119,7 @@ func UpdateAvatarSetting(ctx *context.Context, form auth.AvatarForm, ctxUser *mo
 		ctxUser.AvatarEmail = form.Gravatar
 	}
 
-	if form.Avatar.Filename != "" {
+	if form.Avatar != nil && form.Avatar.Filename != "" {
 		fr, err := form.Avatar.Open()
 		if err != nil {
 			return fmt.Errorf("Avatar.Open: %v", err)