From a887f1d57d9ac8e08c789c6201147bf68c459573 Mon Sep 17 00:00:00 2001
From: Cotes Chung <11371340+cotes2020@users.noreply.github.com>
Date: Thu, 30 Sep 2021 15:24:10 +0800
Subject: [PATCH] Prevent the site test from failing when the avatar is not
 assigned (close #418)

Some rookies like to do this :(
---
 _includes/sidebar.html | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/_includes/sidebar.html b/_includes/sidebar.html
index 4ab9f12..5fd3eb0 100644
--- a/_includes/sidebar.html
+++ b/_includes/sidebar.html
@@ -6,16 +6,18 @@
   <div class="profile-wrapper text-center">
     <div id="avatar">
       <a href="{{ '/' | relative_url }}" alt="avatar" class="mx-auto">
-        {% capture avatar_url %}
-          {%- if site.avatar contains '://' -%}
-            {{ site.avatar }}
-          {%- elsif site.img_cdn != '' and site.img_cdn -%}
-            {{ site.avatar | prepend: site.img_cdn }}
-          {%- else -%}
-            {{ site.avatar | relative_url }}
-          {%- endif -%}
-        {% endcapture %}
-        <img src="{{ avatar_url }}" alt="avatar" onerror="this.style.display='none'">
+        {% if site.avatar != '' and site.avatar %}
+          {% capture avatar_url %}
+            {%- if site.avatar contains '://' -%}
+              {{ site.avatar }}
+            {%- elsif site.img_cdn != '' and site.img_cdn -%}
+              {{ site.avatar | prepend: site.img_cdn }}
+            {%- else -%}
+              {{ site.avatar | relative_url }}
+            {%- endif -%}
+          {% endcapture %}
+          <img src="{{ avatar_url }}" alt="avatar" onerror="this.style.display='none'">
+        {% endif %}
       </a>
     </div>