diff --git a/app/css/post.css b/app/css/post.css
index ee29ba6b..e34b5b13 100644
--- a/app/css/post.css
+++ b/app/css/post.css
@@ -16,6 +16,9 @@ textarea {
   min-height: 100px !important;
   font-family: inherit;
 }
+#post-box .ui-resizable-s, #post-box .ui-resizable-se{
+  display: none !important;
+}
 
 .cancel {
   font-size: 0.5rem;
@@ -108,7 +111,6 @@ textarea {
 }
 #left-side {
   float: left;
-  overflow-y: scroll;
   overflow-x: hidden;
   height: calc(100% - 32px);
 }
@@ -117,7 +119,6 @@ textarea {
   float: left;
   width: 300px;
   padding: 5px;
-  overflow-y: scroll;
   overflow-x: hidden;
   height: calc(100% - 32px);
 }
diff --git a/app/js/ui/post-box.js b/app/js/ui/post-box.js
index 6cd2369f..15ff4255 100644
--- a/app/js/ui/post-box.js
+++ b/app/js/ui/post-box.js
@@ -47,9 +47,6 @@ function show() {
 	$('#post-box').css("top", top + "px")
 	var height = localStorage.getItem("postbox-height");
 	var width = localStorage.getItem("postbox-width");
-	if (height) {
-		$('#post-box').css("height", height + "px")
-	}
 	if (width) {
 		$('#post-box').css("width", width + "px")
 	} else {
@@ -83,7 +80,6 @@ $(function () {
 		minHeight: 150,
 		minWidth: 100,
 		stop: function (event, ui) {
-			localStorage.setItem("postbox-height", ui.size.height);
 			localStorage.setItem("postbox-width", ui.size.width);
 		}
 	});
diff --git a/app/package.json b/app/package.json
index 8d2c7055..2b5ba5f5 100644
--- a/app/package.json
+++ b/app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "thedesk",
-  "version": "18.9.0",
+  "version": "18.9.1",
   "description": "TheDesk is a Mastodon client for PC.",
   "repository": "https://github.com/cutls/TheDesk",
   "main": "main.js",
diff --git a/app/view/make/index.sample.html b/app/view/make/index.sample.html
index 2f0b8f1f..e09c7521 100644
--- a/app/view/make/index.sample.html
+++ b/app/view/make/index.sample.html
@@ -684,6 +684,8 @@
 				<a href="https://ja.mstdn.wiki/TheDesk" target="_blank">機能一覧</a><br>
 				Pixiv Fanboxでは支援者様限定で様々なTheDeskに関する記事をご覧いただけます。最低月一更新。<br>
 				困ったときは、<a href="https://docs.thedesk.top">TheDesk Docs</a>をご覧ください。
+				<h5>Release Note Usamin (18.9.1)</h5>
+				・トゥートボックスのリサイズを横だけにした
 				<h5>Release Note Usamin (18.9.0)</h5>
 				・設定エクスポートファイルが変更された<br>
 				　.thedeskconfigv2: 17.2.0~18.8.3<br>
diff --git a/app/view/make/make.js b/app/view/make/make.js
index 637ba74c..6f2df8a6 100644
--- a/app/view/make/make.js
+++ b/app/view/make/make.js
@@ -1,6 +1,6 @@
 const fs = require("fs")
 const readlineSync = require('readline-sync')
-let ver = "Usamin (18.9.0)"
+let ver = "Usamin (18.9.1)"
 const execSync = require('child_process').execSync;
 let gitHash = execSync("git rev-parse HEAD").toString().trim()
 fs.writeFileSync("../../git", gitHash)