From be0912d0fd72e80b37b8aaa37e9dea319043d337 Mon Sep 17 00:00:00 2001
From: Jiajie Chen <noc@jiegec.ac.cn>
Date: Mon, 23 Mar 2020 22:17:17 +0800
Subject: [PATCH] Only show urlv6/urlv4 when available

---
 _layouts/index.html | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/_layouts/index.html b/_layouts/index.html
index ef6d5e8..aa92238 100644
--- a/_layouts/index.html
+++ b/_layouts/index.html
@@ -92,8 +92,12 @@
 							<h4> <span class="fa fa-link"></span> 域名选择 </h4>
 							<ul>
 								<li><a href="{{ site.url }}">{{ site.url }}</a> 自动选择 </li>
-								<li><a href="{{ site.urlv6 }}">{{ site.urlv6 }}</a> 只解析 IPv6</li>
-								<li><a href="{{ site.urlv4 }}">{{ site.urlv4 }}</a> 只解析 IPv4</li>
+								{% if site.urlv6 %}
+									<li><a href="{{ site.urlv6 }}">{{ site.urlv6 }}</a> 只解析 IPv6</li>
+								{% endif %}
+								{% if site.urlv4 %}
+									<li><a href="{{ site.urlv4 }}">{{ site.urlv4 }}</a> 只解析 IPv4</li>
+								{% endif %}
 							</ul>
 						</div>
 						{% unless page.legacy %}