diff --git a/web/html/xui/component/themeSwitch.html b/web/html/xui/component/themeSwitch.html
index 0de64a84..8280bd8e 100644
--- a/web/html/xui/component/themeSwitch.html
+++ b/web/html/xui/component/themeSwitch.html
@@ -22,7 +22,7 @@
       <a-icon type="bulb" :theme="themeSwitcher.isDarkTheme ? 'filled' : 'outlined'"></a-icon>
       <a-switch size="small" :default-checked="themeSwitcher.isDarkTheme" @change="themeSwitcher.toggleTheme()"></a-switch>
       <template v-if="themeSwitcher.isDarkTheme">
-        <a-checkbox style="margin-left: 1rem; vertical-align: middle;" :checked="themeSwitcher.isUltra" @click="themeSwitcher.toggleUltra()">Ultra</a-checkbox>
+        <a-checkbox style="margin-left: 1rem" :checked="themeSwitcher.isUltra" @click="themeSwitcher.toggleUltra()">Ultra</a-checkbox>
       </template>
     </a-menu-item>
   </a-menu>