From 4d11f03d38555d63d3ee5ece6881aa2fba705b25 Mon Sep 17 00:00:00 2001
From: Jiajie Chen <noc@jiegec.ac.cn>
Date: Mon, 23 Mar 2020 22:27:31 +0800
Subject: [PATCH] Show logo when site.logo is set

---
 _includes/nav.html | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/_includes/nav.html b/_includes/nav.html
index be71060..5b69a3d 100644
--- a/_includes/nav.html
+++ b/_includes/nav.html
@@ -11,6 +11,7 @@
       {% endunless %}
 			<a class="navbar-brand" href="/">
 				<span class="thuhidden">
+					{% if site.logo %}
 					<picture>
 						<source 
 							srcset="/static/img/logo-small-dark.png 1x,
@@ -25,6 +26,7 @@
 											/static/img/logo-small@4x.png 4x" 
 							alt=""/>
 					</picture>
+					{% endif %}
 					{{ site.school }}</span>开源软件镜像站
 			</a>
     </div>