diff --git a/packages/hydrooj/package.json b/packages/hydrooj/package.json
index a47dc66ac..58b04d41e 100644
--- a/packages/hydrooj/package.json
+++ b/packages/hydrooj/package.json
@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.30.3",
+    "version": "2.30.4",
     "bin": "bin/hydrooj.js",
     "main": "src/loader",
     "module": "src/loader",
diff --git a/packages/hydrooj/src/service/server.ts b/packages/hydrooj/src/service/server.ts
index 0cf054f97..4ba26e7a1 100644
--- a/packages/hydrooj/src/service/server.ts
+++ b/packages/hydrooj/src/service/server.ts
@@ -311,8 +311,9 @@ export class HandlerCommon {
     }
 
     renderTitle(str: string) {
-        if (this.extraTitleContent) return `${this.translate(str)} - ${this.extraTitleContent} - ${system.get('server.name')}`;
-        return `${this.translate(str)} - ${system.get('server.name')}`;
+        const name = this.domain.ui?.name || system.get('server.name');
+        if (this.extraTitleContent) return `${this.translate(str)} - ${this.extraTitleContent} - ${name}`;
+        return `${this.translate(str)} - ${name}`;
     }
 
     checkPerm(...args: bigint[]) {
diff --git a/packages/ui-default/components/navigation/navigation.page.styl b/packages/ui-default/components/navigation/navigation.page.styl
index 659f51784..70893030c 100644
--- a/packages/ui-default/components/navigation/navigation.page.styl
+++ b/packages/ui-default/components/navigation/navigation.page.styl
@@ -143,6 +143,7 @@
 
 .nav__logo
   display: block
+  background-size:100% 100%;
   width: 0
   opacity: 0
   height: rem($nav-logo-height)
@@ -150,8 +151,6 @@
   background: no-repeat
   transition: width .3s, opacity .3s
   transition-timing-function: ease-out-cubic
-  +retina()
-    background-size: $nav-logo-width $nav-logo-height
 
   &:hover
     text-decoration: none
diff --git a/packages/ui-default/handler.js b/packages/ui-default/handler.js
index b7a68af79..d8f9bfc3e 100644
--- a/packages/ui-default/handler.js
+++ b/packages/ui-default/handler.js
@@ -71,7 +71,7 @@ class UiSettingsHandler extends Handler {
     this.response.body = await this.renderHTML('extra.css', {
       nav_logo_dark,
       nav_logo_dark_2x,
-      ...ddoc,
+      ...(ddoc.ui || {}),
     });
     this.response.type = 'text/css';
     this.ctx.set('nolog', '1');
diff --git a/packages/ui-default/package.json b/packages/ui-default/package.json
index 17cb56107..5acd06db7 100644
--- a/packages/ui-default/package.json
+++ b/packages/ui-default/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hydrooj/ui-default",
-  "version": "4.14.3",
+  "version": "4.14.4",
   "author": "undefined <i@undefined.moe>",
   "license": "AGPL-3.0",
   "main": "hydro.js",
diff --git a/packages/ui-default/templates/about.html b/packages/ui-default/templates/about.html
index 283e947d2..24cd9a1b4 100644
--- a/packages/ui-default/templates/about.html
+++ b/packages/ui-default/templates/about.html
@@ -1,6 +1,6 @@
 {% extends "layout/wiki_base.html" %}
 {% block wiki_content %}
-{% set name = model.system.get('server.name') %}
+{% set name = handler.domain.ui.name|default(model.system.get('server.name')) %}
 <div class="section" data-heading-extract-to="#menu-item-wiki_about">
   <div class="section__header">
     <h1 class="section__title" id="about" data-heading>{{ _('About {0}').format(name) }}</h1>
diff --git a/packages/ui-default/templates/layout/html5.html b/packages/ui-default/templates/layout/html5.html
index 6fa4fadb7..84a483026 100644
--- a/packages/ui-default/templates/layout/html5.html
+++ b/packages/ui-default/templates/layout/html5.html
@@ -19,7 +19,7 @@
   <link rel="icon" type="image/png" href="{{ static_url('favicon-16x16.png') }}" sizes="16x16">
   <meta name="theme-color" content="#56758f">
   {% block ogp %}
-  <meta property="og:site_name" content="{{ model.system.get('server.name') }}" />
+  <meta property="og:site_name" content="{{ handler.domain.ui.name|default(model.system.get('server.name')) }}" />
   <meta property="og:title" content="{{ handler.renderTitle(page_name) }}" />
   <meta property="og:url" content="{{ model.system.get('server.url') }}{{ handler.ctx.request.path }}" />
   <meta property="og:image" content="{{ static_url('favicon-96x96.png') }}" />
diff --git a/packages/ui-default/templates/layout/mail.html b/packages/ui-default/templates/layout/mail.html
index d1c4c07b5..62f4df2c5 100644
--- a/packages/ui-default/templates/layout/mail.html
+++ b/packages/ui-default/templates/layout/mail.html
@@ -18,7 +18,7 @@ body, .hydro { margin:0;color:#333;font-size:14px;font-family:"Tahoma","Segoe UI
 </style>
 <div class="hydro">
 <div class="hydro-box">
-<div class="hydro-header">{% block title %}{% endblock %} - {{ model.system.get('server.name') }}</div>
+<div class="hydro-header">{% block title %}{% endblock %} - {{ handler.domain.ui.name|default(model.system.get('server.name')) }}</div>
 <div class="hydro-content">
 {% block content %}{% endblock %}
 </div>
diff --git a/packages/ui-default/templates/partials/login_dialog.html b/packages/ui-default/templates/partials/login_dialog.html
index ecfb2c4c0..b1a5cef7c 100644
--- a/packages/ui-default/templates/partials/login_dialog.html
+++ b/packages/ui-default/templates/partials/login_dialog.html
@@ -3,7 +3,7 @@
     <div class="dialog--signin__bg">
       <div class="dialog--signin__side">
         <h1>{{ _("Don't have an account?") }}</h1>
-        <p>{{ _('By signing up a {0} universal account, you can submit code and join discussions in all online judging services provided by us.').format(model.system.get('server.name')) }}</p>
+        <p>{{ _('By signing up a {0} universal account, you can submit code and join discussions in all online judging services provided by us.').format(handler.domain.ui.name|default(model.system.get('server.name'))) }}</p>
         <div><a href="{{ url('user_register') }}" class="inverse rounded button">{{ _('Sign Up Now') }}</a></div>
       </div>
     </div>
diff --git a/packages/ui-default/templates/record_detail_status.html b/packages/ui-default/templates/record_detail_status.html
index 1d289ede0..d39f09fc9 100644
--- a/packages/ui-default/templates/record_detail_status.html
+++ b/packages/ui-default/templates/record_detail_status.html
@@ -46,7 +46,11 @@
             <span class="record-status--text {{ model.builtin.STATUS_CODES[rcdoc['status']] }}">
               {{ model.builtin.STATUS_TEXTS[rcdoc['status']] }}
             </span>
-            <span>{{ formatJudgeTexts([rcdoc.message]) if rcdoc.message else '' }}</span>
+            <span>{% if rdoc.domainId=='bzoj' and rcdoc.status!=STATUS.STATUS_ACCEPTED and not dl %}
+            {% set dl=true %}
+              <a href="/d/bzoj/p/{{rdoc.pid}}/file/{{loop.index}}.in?type=testdata&rid={{ rdoc._id }}">input</a>
+              <a href="/d/bzoj/p/{{rdoc.pid}}/file/{{loop.index}}.out?type=testdata&rid={{ rdoc._id }}">output</a>
+            {% endif %}{{ formatJudgeTexts([rcdoc.message]) if rcdoc.message else '' }}</span>
             <a class="tool-button" href="{{ url('wiki_help', anchor='status') }}"><span class="icon icon-help"></span></a>
           </td>
           <td class="col--time">{% if rcdoc['status'] == STATUS.STATUS_TIME_LIMIT_EXCEEDED or rcdoc['status'] == STATUS.STATUS_MEMORY_LIMIT_EXCEEDED or rcdoc['status'] == STATUS.STATUS_OUTPUT_LIMIT_EXCEEDED %}&ge;{% endif %}{{ rcdoc.time|round|int }}ms</td>
diff --git a/packages/ui-default/templates/user_changemail_mail.html b/packages/ui-default/templates/user_changemail_mail.html
index 01445338f..f80d5318a 100644
--- a/packages/ui-default/templates/user_changemail_mail.html
+++ b/packages/ui-default/templates/user_changemail_mail.html
@@ -1,6 +1,6 @@
 {% extends "layout/mail.html" %}
 {% block title %}{{ _('Change Email') }}{% endblock %}
 {% block content %}
-<p>{{ _('Hello, {0}! You can click following link to active your new email of your {1} account:').format(uname, model.system.get('server.name')) }}</p>
+<p>{{ _('Hello, {0}! You can click following link to active your new email of your {1} account:').format(uname, handler.domain.ui.name|default(model.system.get('server.name'))) }}</p>
 <p><a href="{{ url_prefix }}{{ path }}">{{ url_prefix }}{{ path }}</a></p>
 {% endblock %}
diff --git a/packages/ui-default/templates/user_lostpass_mail.html b/packages/ui-default/templates/user_lostpass_mail.html
index 9e4702717..0a9ab14a6 100644
--- a/packages/ui-default/templates/user_lostpass_mail.html
+++ b/packages/ui-default/templates/user_lostpass_mail.html
@@ -1,6 +1,6 @@
 {% extends "layout/mail.html" %}
 {% block title %}{{ _('Lost Password') }}{% endblock %}
 {% block content %}
-<p>{{ _('Hello, {0}! You can click following link to reset the password of your {1} account:').format(uname, model.system.get('server.name')) }}</p>
+<p>{{ _('Hello, {0}! You can click following link to reset the password of your {1} account:').format(uname, handler.domain.ui.name|default(model.system.get('server.name'))) }}</p>
 <p><a href="{{ url_prefix }}{{ url }}">{{ url_prefix }}{{ url }}</a></p>
 {% endblock %}
diff --git a/packages/ui-default/templates/user_register_mail.html b/packages/ui-default/templates/user_register_mail.html
index 30de809d8..c5052f131 100644
--- a/packages/ui-default/templates/user_register_mail.html
+++ b/packages/ui-default/templates/user_register_mail.html
@@ -1,6 +1,6 @@
 {% extends "layout/mail.html" %}
 {% block title %}{{ _('Sign Up') }}{% endblock %}
 {% block content %}
-<p>{{ _('Hello! You can click following link to sign up your {0} account:').format(model.system.get('server.name')) }}</p>
+<p>{{ _('Hello! You can click following link to sign up your {0} account:').format(handler.domain.ui.name|default(model.system.get('server.name'))) }}</p>
 <p><a href="{{ url_prefix|safe }}{{ path|safe }}">{{ url_prefix|safe }}{{ path|safe }}</a></p>
 {% endblock %}
diff --git a/packages/ui-default/templates/wiki_help.html b/packages/ui-default/templates/wiki_help.html
index eaa0a0b77..ec76adb53 100644
--- a/packages/ui-default/templates/wiki_help.html
+++ b/packages/ui-default/templates/wiki_help.html
@@ -1,6 +1,6 @@
 {% extends "layout/wiki_base.html" %}
 {% block wiki_content %}
-{% set name = model.system.get('server.name') %}
+{% set name = handler.domain.ui.name|default(model.system.get('server.name')) %}
 <div class="section" data-heading-extract-to="#menu-item-wiki_help">
   <div class="section__header">
     <h1 class="section__title" id="domain" data-heading>{{ _('Domain') }}</h1>