完整API模块结构：

client/admin/api/ ├── auth.ts (认证API) ├── users.ts (用户API) ├── files.ts (文件API) ├── theme.ts (主题API) ├── charts.ts (图表API) ├── messages.ts (消息API) ├── sys.ts (系统API) ├── know_info.ts (知识库API) ├── maps.ts (地图API) └── index.ts (统一入口)

client/admin/pages_chart.tsx

@@ -1,11 +1,6 @@
 import React from 'react';
 import { 
-  Layout, Menu, Button, Table, Space,
-  Form, Input, Select, message, Modal,
-  Card, Spin, Row, Col, Breadcrumb, Avatar,
-  Dropdown, ConfigProvider, theme, Typography,
-  Switch, Badge, Image, Upload, Divider, Descriptions,
-  Popconfirm, Tag, Statistic, DatePicker, Radio, Progress, Tabs, List, Alert, Collapse, Empty, Drawer
+  Card, Spin, Row, Col, Statistic,
 } from 'antd';
 
 import { 
@@ -15,13 +10,10 @@ import { Line , Pie, Column} from "@ant-design/plots";
 import 'dayjs/locale/zh-cn';
 
 
-import { ChartAPI } from './api.ts';
+import { ChartAPI } from './api/index.ts';
 import { useTheme } from './hooks_sys.tsx';
 
-interface ChartTooltipInfo {
-  items: Array<Record<string, any>>;
-  title: string;
-}
+
 
 // 用户活跃度图表组件
 const UserActivityChart: React.FC = () => {
@@ -49,7 +41,7 @@ const UserActivityChart: React.FC = () => {
   };
 
   return (
-    <Card title="用户活跃度趋势" bordered={false}>
+    <Card title="用户活跃度趋势" variant="borderless">
       <Line {...config} />
     </Card>
   );
@@ -92,7 +84,7 @@ const FileUploadsChart: React.FC = () => {
   };
 
   return (
-    <Card title="文件上传统计" bordered={false}>
+    <Card title="文件上传统计" variant="borderless">
       <Column {...config} />
     </Card>
   );
@@ -130,7 +122,7 @@ const FileTypesChart: React.FC = () => {
   };
 
   return (
-    <Card title="文件类型分布" bordered={false}>
+    <Card title="文件类型分布" variant="borderless">
       <Pie {...config} />
     </Card>
   );
@@ -151,7 +143,7 @@ const DashboardOverview: React.FC = () => {
   return (
     <Row gutter={[16, 16]}>
       <Col xs={12} sm={12} md={6}>
-        <Card bordered={false}>
+        <Card variant="borderless">
           <Statistic
             title="用户总数"
             value={overviewData?.userCount || 0}
@@ -160,7 +152,7 @@ const DashboardOverview: React.FC = () => {
         </Card>
       </Col>
       <Col xs={12} sm={12} md={6}>
-        <Card bordered={false}>
+        <Card variant="borderless">
           <Statistic
             title="文件总数"
             value={overviewData?.fileCount || 0}
@@ -169,7 +161,7 @@ const DashboardOverview: React.FC = () => {
         </Card>
       </Col>
       <Col xs={12} sm={12} md={6}>
-        <Card bordered={false}>
+        <Card variant="borderless">
           <Statistic
             title="文章总数"
             value={overviewData?.articleCount || 0}
@@ -178,7 +170,7 @@ const DashboardOverview: React.FC = () => {
         </Card>
       </Col>
       <Col xs={12} sm={12} md={6}>
-        <Card bordered={false}>
+        <Card variant="borderless">
           <Statistic
             title="今日登录"
             value={overviewData?.todayLoginCount || 0}