diff --git a/packages/hydrooj/src/model/setting.ts b/packages/hydrooj/src/model/setting.ts
index 3ae7ff7b6..c9677e467 100644
--- a/packages/hydrooj/src/model/setting.ts
+++ b/packages/hydrooj/src/model/setting.ts
@@ -178,7 +178,6 @@ const ServerLangSettingNode = {
 
 PreferenceSetting(
     Setting('setting_display', 'viewLang', null, langRange, 'UI Language'),
-    Setting('setting_display', 'skipAnimate', false, 'boolean', 'Skip Animation'),
     Setting('setting_display', 'timeZone', 'Asia/Shanghai', timezones, 'Timezone'),
     LangSettingNode,
     Setting('setting_usage', 'codeTemplate', '', 'textarea', 'Default Code Template',
diff --git a/packages/ui-default/components/time/time.page.js b/packages/ui-default/components/time/time.page.js
index dcac7329f..487fc3d4f 100644
--- a/packages/ui-default/components/time/time.page.js
+++ b/packages/ui-default/components/time/time.page.js
@@ -38,6 +38,7 @@ function cancelRelativeTime($container) {
 }
 
 const relativeTimePage = new AutoloadPage('relativeTimePage', () => {
+  if (!UserContext.showTimeAgo) return;
   runRelativeTime($('body'));
   $(document).on('vjContentNew', (e) => runRelativeTime($(e.target)));
   $(document).on('vjContentRemove', (e) => cancelRelativeTime($(e.target)));
diff --git a/packages/ui-default/index.ts b/packages/ui-default/index.ts
index f8eca1459..30bce2338 100644
--- a/packages/ui-default/index.ts
+++ b/packages/ui-default/index.ts
@@ -1,7 +1,7 @@
 /* eslint-disable global-require */
 import {
   ContestModel, Context, Handler, ObjectId, param, PERM, PRIV, ProblemModel, Schema,
-  SettingModel, SystemModel, SystemSettings, Types, UserModel,
+  Setting, SettingModel, SystemModel, SystemSettings, Types, UserModel,
 } from 'hydrooj';
 import convert from 'schemastery-jsonschema';
 import markdown from './backendlib/markdown';
@@ -165,4 +165,11 @@ export function apply(ctx: Context) {
   });
   ctx.plugin(require('./backendlib/template'));
   ctx.plugin(require('./backendlib/builder'));
+
+  ctx.inject(['setting'], (c) => {
+    c.setting.PreferenceSetting(
+      Setting('setting_display', 'skipAnimate', false, 'boolean', 'Skip Animation'),
+      Setting('setting_display', 'showTimeAgo', true, 'boolean', 'Enable Time Ago'),
+    );
+  });
 }