diff --git a/layout/_partial/sidebar/header.ejs b/layout/_partial/sidebar/header.ejs
index 1568e35..c0278e6 100644
--- a/layout/_partial/sidebar/header.ejs
+++ b/layout/_partial/sidebar/header.ejs
@@ -29,9 +29,6 @@ function layoutDiv() {
     el += ' mobile-only';
   }
   el += '">';
-  if (where == 'main') {
-    el += '<button type="button" class="sidebar-toggle" onclick="sidebar.toggle()"><svg class="icon" style="width:1em;height:1em;vertical-align:middle;fill:currentColor;overflow:hidden" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="15301"><path d="M566.407 808.3c26.9-0.1 49.3-20.8 51.6-47.6-1.9-27.7-23.9-49.7-51.6-51.6h-412.6c-28.2-1.4-52.6 19.5-55.5 47.6 2.3 26.8 24.6 47.5 51.6 47.6h416.5v4z m309.3-249.9c26.9-0.1 49.3-20.8 51.6-47.6-2.2-26.8-24.6-47.5-51.6-47.6h-721.9c-27.7-2.8-52.5 17.4-55.3 45.1-0.1 0.8-0.1 1.7-0.2 2.5 0.9 27.2 23.6 48.5 50.7 47.6H875.707z m-103.1-245.9c26.9-0.1 49.3-20.8 51.6-47.6-0.4-28.3-23.2-51.1-51.5-51.6h-618.9c-29.5-1.1-54.3 21.9-55.5 51.4v0.2c1.4 27.8 25.2 49.2 53 47.8 0.8 0 1.7-0.1 2.5-0.2h618.8z" p-id="15302"></path><path d="M566.407 808.3c26.9-0.1 49.3-20.8 51.6-47.6-1.9-27.7-23.9-49.7-51.6-51.6h-412.6c-28.2-1.4-52.6 19.5-55.5 47.6 1.9 27.7 23.9 49.7 51.6 51.6h416.5z m309.3-249.9c26.9-0.1 49.3-20.8 51.6-47.6-2.2-26.8-24.6-47.5-51.6-47.6h-721.9c-27.7-2.8-52.5 17.4-55.3 45.1-0.1 0.8-0.1 1.7-0.2 2.5 0.9 27.2 23.6 48.5 50.7 47.6H875.707z m-103.1-245.9c26.9-0.1 49.3-20.8 51.6-47.6-0.4-28.3-23.2-51.1-51.5-51.6h-618.9c-29.5-1.1-54.3 21.9-55.5 51.4v0.2c1.4 27.8 25.2 49.2 53 47.8 0.8 0 1.7-0.1 2.5-0.2h618.8z" p-id="15303"></path></svg></button>';
-  }
   el += partial('logo');
   if (where != 'main') {
     if (page.layout === 'wiki' && page.wiki) {
diff --git a/source/css/_layout/layout.styl b/source/css/_layout/layout.styl
index 6f85242..e452e6b 100644
--- a/source/css/_layout/layout.styl
+++ b/source/css/_layout/layout.styl
@@ -22,7 +22,7 @@
 // iPad 竖屏
 @media screen and (max-width: $device-tablet)
   .mobile-only
-    display: flex !important
+    display: block !important
   .l_body
     padding: 0
     .l_left
diff --git a/source/css/_layout/main.styl b/source/css/_layout/main.styl
index ccf102c..96d41b6 100644
--- a/source/css/_layout/main.styl
+++ b/source/css/_layout/main.styl
@@ -8,10 +8,5 @@
     padding-top: "calc(2 * %s)" % var(--gap-l)
   header
     margin: 3rem 1rem 2rem
-    .sidebar-toggle
-      margin-right: .5rem
-      font-size: 1.25rem
-      background: none
-      color: var(--text-p1)
     .logo-wrap
       margin: 0