diff --git a/packages/ui-default/components/cmeditor/index.js b/packages/ui-default/components/cmeditor/index.js
index ca164758f..d0a168851 100644
--- a/packages/ui-default/components/cmeditor/index.js
+++ b/packages/ui-default/components/cmeditor/index.js
@@ -6,9 +6,9 @@ export const config = {
     'emoji', 'headings', 'bold', 'italic', 'strike', 'link', '|',
     'list', 'ordered-list', 'check', 'outdent', 'indent', '|',
     'quote', 'line', 'code', 'inline-code', 'table', '|',
-    'upload', 'edit-mode', 'content-theme', 'code-theme', 'export',
+    'upload', 'edit-mode', 'fullscreen', 'export',
   ],
-  mode: UserContext.preferedEditorType || 'ir',
+  mode: UserContext.preferedEditorType || 'sv',
   toolbarConfig: {
     pin: true,
   },
diff --git a/packages/ui-default/components/tab/Tab.js b/packages/ui-default/components/tab/Tab.js
index 9a60471b1..d73c5e9fb 100644
--- a/packages/ui-default/components/tab/Tab.js
+++ b/packages/ui-default/components/tab/Tab.js
@@ -107,7 +107,6 @@ export default class Tab extends DOMAttachedObject {
       .addClass('section__tab-header-wrapper')
       .appendTo($container);
     const $contentWrapper = $(document.createElement('div'))
-      .addClass('section__tab-content-wrapper')
       .appendTo($container);
     this.$header = $(document.createElement('ul'))
       .addClass('section__tab-header')
diff --git a/packages/ui-default/components/tab/tab.page.styl b/packages/ui-default/components/tab/tab.page.styl
index a48a601bc..23d4de1ca 100644
--- a/packages/ui-default/components/tab/tab.page.styl
+++ b/packages/ui-default/components/tab/tab.page.styl
@@ -73,9 +73,6 @@
           background: $secondary-color
           content: ''
 
-.section__tab-content-wrapper
-  overflow: hidden
-
 .section__tab-content
   position: relative
 
diff --git a/packages/ui-default/package.json b/packages/ui-default/package.json
index 32122d57c..f24470c6f 100644
--- a/packages/ui-default/package.json
+++ b/packages/ui-default/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hydrooj/ui-default",
-  "version": "4.6.18",
+  "version": "4.6.19",
   "author": "undefined <i@undefined.moe>",
   "license": "AGPL-3.0",
   "main": "hydro.js",
diff --git a/packages/ui-default/setting.yaml b/packages/ui-default/setting.yaml
index 2f5f4dab8..f823d8b06 100644
--- a/packages/ui-default/setting.yaml
+++ b/packages/ui-default/setting.yaml
@@ -88,7 +88,7 @@ preferedEditorType:
     sv: Split View
   family: markdown
   category: preference
-  value: ir
+  value: sv
 showInvisibleChar:
   type: boolean
   family: highlight