diff --git a/template/app_admin/admin_base.html b/template/app_admin/admin_base.html
index 9b65a7c..c941640 100644
--- a/template/app_admin/admin_base.html
+++ b/template/app_admin/admin_base.html
@@ -4,7 +4,7 @@
 <head>
     <meta charset="UTF-8">
     <title>{% block title %}{% endblock %} - 后台管理 - 觅道文档MrDoc</title>
-    <link rel="icon" href="{% static 'favicon_16.png' %}"/>
+    <link rel="icon" href="{% static 'search/mrdoc_logo_300.png' %}" sizes="192x192" />
     <link href="{% static 'layui/css/layui.css' %}?version={{mrdoc_version}}" rel="stylesheet">
     <style>
       .layui-btn a{
diff --git a/template/app_doc/docs_base.html b/template/app_doc/docs_base.html
index 120a427..2c6d71f 100644
--- a/template/app_doc/docs_base.html
+++ b/template/app_doc/docs_base.html
@@ -16,7 +16,7 @@
     <link rel="stylesheet" href="{% static 'editor.md/css/editormd.css' %}?version={{mrdoc_version}}" />
     <link rel="stylesheet" href="{% static 'katex/katex.min.css' %}?version={{mrdoc_version}}" />
     <link href="{% static 'viewerjs/viewer.css' %}?version={{mrdoc_version}}" rel="stylesheet">
-    <link rel="icon" href="{% static 'favicon_16.png' %}"/>
+    <link rel="icon" href="{% static 'search/mrdoc_logo_300.png' %}" sizes="192x192" />
     <link href="{% static 'mrdoc.css' %}?version={{mrdoc_version}}" rel="stylesheet">
     <style>
         /*一级无序li显示实心圆点*/
@@ -561,7 +561,7 @@
           </div>
           
           <div class="layui-tab-item" align='center'>
-            <p><a href="" target="_blank">GitHub：https://github.com/zmister2016/MrDoc</a></p>
+            <p><a href="https://github.com/zmister2016/MrDoc" target="_blank">GitHub：https://github.com/zmister2016/MrDoc</a></p>
             <br>
             <p><a href="https://gitee.com/zmister/MrDoc" target="_blank">码云：https://gitee.com/zmister/MrDoc</a> </p>
             <br>
diff --git a/template/app_doc/manage_base.html b/template/app_doc/manage_base.html
index 60b1c65..7200f24 100644
--- a/template/app_doc/manage_base.html
+++ b/template/app_doc/manage_base.html
@@ -7,7 +7,7 @@
     <title>{% block title %}{% endblock %} - 个人中心 - 觅道文档MrDoc</title>
     <link href="{% static 'layui/css/layui.css' %}?version={{mrdoc_version}}" rel="stylesheet">
     <link href="{% static 'mrdoc-admin.css' %}?version={{mrdoc_version}}" rel="stylesheet">
-    <link rel="icon" href="{% static 'favicon_16.png' %}"/>
+    <link rel="icon" href="{% static 'search/mrdoc_logo_300.png' %}" sizes="192x192" />
     {% block custom_link %}
     {% endblock %}
     <style>
diff --git a/template/app_doc/pro_list.html b/template/app_doc/pro_list.html
index dccb014..d20c35b 100644
--- a/template/app_doc/pro_list.html
+++ b/template/app_doc/pro_list.html
@@ -13,7 +13,7 @@
     <title>MrDoc觅道文档 - 一个简单的开源在线文档系统</title>
     <link href="{% static 'layui/css/layui.css' %}" rel="stylesheet">
     <link href="{% static 'mrdoc.css' %}?version={{mrdoc_version}}" rel="stylesheet">
-    <link rel="icon" href="{% static 'favicon_16.png' %}"/>
+    <link rel="icon" href="{% static 'search/mrdoc_logo_300.png' %}" sizes="192x192" />
     <style>
         .layui-nav .layui-this:after, .layui-nav-bar, .layui-nav-tree .layui-nav-itemed:after{
             background-color: #333 !important;
diff --git a/template/app_doc/search_result.html b/template/app_doc/search_result.html
index cb713ca..2bcffdc 100644
--- a/template/app_doc/search_result.html
+++ b/template/app_doc/search_result.html
@@ -13,7 +13,7 @@
     <title>{{ kw }} - 觅道搜索 - MrDoc觅道文档</title>
     <link href="{% static 'layui/css/layui.css' %}" rel="stylesheet">
     <link href="{% static 'mrdoc.css' %}?version={{mrdoc_version}}" rel="stylesheet">
-    <link rel="icon" href="{% static 'favicon_16.png' %}"/>
+    <link rel="icon" href="{% static 'search/mrdoc_logo_300.png' %}" sizes="192x192" />
     <style>
         .layui-nav .layui-this:after, .layui-nav-bar, .layui-nav-tree .layui-nav-itemed:after{
             background-color: #0885ff !important;
