update pay function

src/views/DataBrowser/MetricDataModal.tsx

@@ -31,7 +31,7 @@ import {
 } from '@chakra-ui/react';
 import { FaTable, FaChartLine, FaCalendar, FaDownload } from 'react-icons/fa';
 import { fetchMetricData, MetricDataResponse, TreeMetric } from '@services/categoryService';
-import KLineChartView from './KLineChartView';
+import SimpleLineChart from './SimpleLineChart';
 
 // 黑金主题配色
 const themeColors = {
@@ -277,10 +277,10 @@ const MetricDataModal: React.FC<MetricDataModalProps> = ({ isOpen, onClose, metr
                   </TabList>
 
                   <TabPanels>
-                    {/* 折线图 - 使用 KLineChart */}
+                    {/* 折线图 - 使用简单 Canvas 实现 */}
                     <TabPanel p={4}>
                       {metricData && metricData.data.length > 0 ? (
-                        <KLineChartView
+                        <SimpleLineChart
                           data={metricData.data}
                           metricName={metricData.metric_name}
                           unit={metricData.unit}