feat: 删除多余内容

src/views/SystemMessage/src/SystemMessage.vue

@@ -274,7 +274,6 @@ onMounted(() => {
           <el-tab-pane label="Unread" name="Unread">
             <template #label>
               <span style="margin-right: 4px">Unread</span>
-              <span>{{ unreadNotificationList.length }}</span>
               <div
                 class="count"
                 :style="{ 'padding-top': isMac ? 0 : '1px' }"