diff --git a/src/@core/components/PageContentTitle.vue b/src/@core/components/PageContentTitle.vue
index bcea1b36..91801e27 100644
--- a/src/@core/components/PageContentTitle.vue
+++ b/src/@core/components/PageContentTitle.vue
@@ -5,7 +5,7 @@ defineProps({
 })
 </script>
 <template>
-  <div v-if="title" class="my-3 md:flex md:items-center md:justify-between">
+  <div v-if="title" class="my-3 mx-3 md:flex md:items-center md:justify-between">
     <div class="min-w-0 flex-1 mx-0">
       <h2
         class="ms-1 truncate text-2xl font-bold leading-7 text-gray-100 sm:overflow-visible sm:text-3xl sm:leading-9 md:mb-0"
diff --git a/src/pages/discover.vue b/src/pages/discover.vue
index c3bdac60..67ca4016 100644
--- a/src/pages/discover.vue
+++ b/src/pages/discover.vue
@@ -9,6 +9,7 @@ import { DiscoverSource } from '@/api/types'
 import api from '@/api'
 import { useI18n } from 'vue-i18n'
 import { useDisplay } from 'vuetify'
+import { useDynamicHeaderTab } from '@/composables/useDynamicHeaderTab'
 
 const display = useDisplay()
 
@@ -156,10 +157,6 @@ onActivated(async () => {
   await loadExtraDiscoverSources()
   sortSubscribeOrder()
 })
-
-function useDynamicHeaderTab(): { registerHeaderTab: any } {
-  throw new Error('Function not implemented.')
-}
 </script>
 
 <template>
diff --git a/src/views/user/UserListView.vue b/src/views/user/UserListView.vue
index ea805d63..69e5da6a 100644
--- a/src/views/user/UserListView.vue
+++ b/src/views/user/UserListView.vue
@@ -4,7 +4,6 @@ import type { User } from '@/api/types'
 import NoDataFound from '@/components/NoDataFound.vue'
 import UserCard from '@/components/cards/UserCard.vue'
 import UserAddEditDialog from '@/components/dialog/UserAddEditDialog.vue'
-import { useDisplay } from 'vuetify'
 import { useDynamicButton } from '@/composables/useDynamicButton'
 import { useI18n } from 'vue-i18n'
 import { usePWA } from '@/composables/usePWA'
@@ -12,8 +11,6 @@ import { usePWA } from '@/composables/usePWA'
 // 国际化
 const { t } = useI18n()
 
-// APP
-const display = useDisplay()
 // PWA模式检测
 const { appMode } = usePWA()