优化pinia相关

frontend/src/views/system/auth/login.vue

@@ -316,7 +316,12 @@ onMounted(() => {
 }
 
 .container {
-  background-size: 100% 100%;
+  height: 100vh;
+  background-size: cover;
+  background-position: center;
+  display: flex;
+  flex-direction: column;
+  justify-content: space-between;
 
   .desc {
     text-align: center;

frontend/src/views/system/config/index.vue

@@ -206,6 +206,7 @@ const handleSave = async () => {
     // 调用更新配置接口
     await updateConfig(configData);
     message.success('配置保存成功');
+    window.location.reload();
   } catch (error) {
     console.error('保存配置失败:', error);
     message.error('配置保存失败');

frontend/src/views/system/user/index.vue

@@ -361,8 +361,6 @@ import { getDeptList } from '@/api/system/dept'
 import { getUserList, createUser, updateUser, deleteUser, batchAvailableUser, exportUser, downloadTemplate, importUser } from '@/api/system/user'
 import SelectorModal from './SelectorModal.vue'
 import type { searchDataType, tableDataType, deptTreeType, roleSelectorType, positionSelectorType } from './types'
-import XLSX from 'xlsx';
-import store from '@/store';
 import storage from 'store';
 
 const tableLoading = ref(false);