From e7e0d6c316c71017d21661dddcb433b14aa25b87 Mon Sep 17 00:00:00 2001
From: 1v9 <mkb@live.cn>
Date: Sat, 19 Oct 2019 20:51:32 +0800
Subject: [PATCH] Fix known issues (#1213)

---
 layout/_partials/sidebar/site-overview.swig | 10 +++++++---
 source/js/utils.js                          |  6 ++++--
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/layout/_partials/sidebar/site-overview.swig b/layout/_partials/sidebar/site-overview.swig
index eaa18a52e1..a7cb290889 100644
--- a/layout/_partials/sidebar/site-overview.swig
+++ b/layout/_partials/sidebar/site-overview.swig
@@ -85,11 +85,15 @@
     {%- for name, link in theme.social %}
       <span class="links-of-author-item">
       {%- set sidebarURL = link.split('||')[0] | trim %}
-      {%- if not (theme.social_icons.enable) or (not theme.social_icons.icons_only) %}
-        {%- set sidebarText = name %}
-      {%- endif %}
       {%- if theme.social_icons.enable %}
         {%- set sidebarIcon = '<i class="fa fa-fw fa-' + link.split('||')[1] | trim + '"></i>' %}
+      {%- else %}
+        {%- set sidebarIcon = '' %}
+      {%- endif %}
+      {%- if theme.social_icons.enable and theme.social_icons.icons_only %}
+        {%- set sidebarText = '' %}
+      {%- else %}
+        {%- set sidebarText = name %}
       {%- endif %}
         {{ next_url(sidebarURL, sidebarIcon + sidebarText, {title: name + ' &rarr; ' + sidebarURL}) }}
       </span>
diff --git a/source/js/utils.js b/source/js/utils.js
index 2899f6ff5e..5d6d44762e 100644
--- a/source/js/utils.js
+++ b/source/js/utils.js
@@ -276,7 +276,7 @@ NexT.utils = {
         index = sections.indexOf(entry.target);
         return index === 0 ? 0 : index - 1;
       }
-      for (;index < entries.length; index++) {
+      for (; index < entries.length; index++) {
         if (entries[index].boundingClientRect.top <= 0) {
           entry = entries[index];
         } else {
@@ -301,7 +301,9 @@ NexT.utils = {
         rootMargin: marginTop + 'px 0px -100% 0px',
         threshold : 0
       });
-      sections.forEach(item => intersectionObserver.observe(item));
+      sections.forEach(item => {
+        item && intersectionObserver.observe(item);
+      });
     }
     createIntersectionObserver(document.documentElement.scrollHeight);
   },