diff --git a/src/client/app/admin/assets/header-icon.svg b/src/client/app/admin/assets/header-icon.svg
new file mode 100644
index 0000000000..d677d2d163
--- /dev/null
+++ b/src/client/app/admin/assets/header-icon.svg
@@ -0,0 +1,150 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="512"
+   height="512"
+   viewBox="0 0 135.46667 135.46667"
+   version="1.1"
+   id="svg8"
+   inkscape:version="0.92.1 r15371"
+   sodipodi:docname="header-icon.dark.svg"
+   inkscape:export-filename="C:\Users\syuilo\projects\misskey\assets\favicon\32.png"
+   inkscape:export-xdpi="6"
+   inkscape:export-ydpi="6">
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+       simplifyindividualpaths="false"
+       simplifyJustCoalesce="false" />
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+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="レイヤー 1"
+     inkscape:groupmode="layer"
+     id="layer1"
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+       id="g4502"
+       transform="matrix(1.096096,0,0,1.096096,-2.960633,-44.023579)">
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+         style="fill-opacity:1"
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+         id="g5125">
+        <g
+           transform="matrix(0.91391326,0,0,0.91391326,7.9719907,17.595761)"
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+           aria-label="Mi">
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+      </g>
+    </g>
+  </g>
+</svg>
diff --git a/src/client/app/admin/views/index.vue b/src/client/app/admin/views/index.vue
index ab02198ddf..c9f59a99fa 100644
--- a/src/client/app/admin/views/index.vue
+++ b/src/client/app/admin/views/index.vue
@@ -1,6 +1,9 @@
 <template>
 <div class="mk-admin">
 	<nav>
+		<div class="mi">
+			<img svg-inline src="../assets/header-icon.svg"/>
+		</div>
 		<div class="me">
 			<img class="avatar" :src="$store.state.i.avatarUrl" alt="avatar"/>
 			<p class="name">{{ $store.state.i | userName }}</p>
@@ -85,11 +88,22 @@ export default Vue.extend({
 		background #333
 		color #fff
 
+		> .mi
+			text-align center
+
+			> svg
+				width 24px
+				height 82px
+				vertical-align top
+				fill #fff
+				opacity 0.7
+
 		> .me
 			display flex
-			margin 16px
-			padding-bottom 16px
+			margin 0 16px 16px 16px
+			padding 16px 0
 			align-items center
+			border-top solid 1px #555
 			border-bottom solid 1px #555
 
 			> .avatar