diff --git a/src/components/ChatBot/EChartsRenderer.js b/src/components/ChatBot/EChartsRenderer.js
index 735a44dd..1042a3c2 100644
--- a/src/components/ChatBot/EChartsRenderer.js
+++ b/src/components/ChatBot/EChartsRenderer.js
@@ -5,6 +5,33 @@ import React, { useEffect, useRef } from 'react';
 import { Box, useColorModeValue } from '@chakra-ui/react';
 import * as echarts from 'echarts';
 
+/**
+ * 验证 ECharts 配置是否有效
+ */
+const isValidOption = (option) => {
+  if (!option || typeof option !== 'object') return false;
+
+  // 检查 xAxis 配置
+  if (option.xAxis) {
+    const xAxis = Array.isArray(option.xAxis) ? option.xAxis[0] : option.xAxis;
+    if (xAxis && xAxis.type === 'category' && (!xAxis.data || xAxis.data.length === 0)) {
+      // category 类型的 xAxis 必须有数据
+      return false;
+    }
+  }
+
+  // 检查 series 配置
+  if (option.series) {
+    const series = Array.isArray(option.series) ? option.series : [option.series];
+    const hasValidSeries = series.some(s => s && s.data && s.data.length > 0);
+    if (!hasValidSeries) {
+      return false;
+    }
+  }
+
+  return true;
+};
+
 /**
  * ECharts 图表渲染组件
  * @param {Object} option - ECharts 配置对象
@@ -26,6 +53,12 @@ export const EChartsRenderer = ({ option, height = 400, variant = 'auto' }) => {
   useEffect(() => {
     if (!chartRef.current || !option) return;
 
+    // 验证配置是否有效
+    if (!isValidOption(option)) {
+      console.warn('EChartsRenderer: Invalid or empty chart configuration, skipping render');
+      return;
+    }
+
     // 初始化图表（支持深色模式）
     if (!chartInstance.current) {
       chartInstance.current = echarts.init(chartRef.current, isDarkMode ? 'dark' : null);
diff --git a/src/views/AgentChat/components/ChatArea/ExecutionStepsDisplay.js b/src/views/AgentChat/components/ChatArea/ExecutionStepsDisplay.js
index 9eea2537..09380c0c 100644
--- a/src/views/AgentChat/components/ChatArea/ExecutionStepsDisplay.js
+++ b/src/views/AgentChat/components/ChatArea/ExecutionStepsDisplay.js
@@ -113,41 +113,51 @@ const StepCard = ({ result, idx }) => {
     // 如果有 echarts 图表数据，尝试生成图表
     if (data.data?.chart_data) {
       const chartData = data.data.chart_data;
-      const echartsConfig = {
-        title: { text: `${data.data.formatted_date || ''} 涨停概念分布` },
-        tooltip: { trigger: 'axis' },
-        xAxis: {
-          type: 'category',
-          data: chartData.labels || [],
-          axisLabel: { rotate: 30, fontSize: 10 },
-        },
-        yAxis: { type: 'value' },
-        series: [
-          {
-            name: '涨停家数',
-            type: 'bar',
-            data: chartData.counts || [],
-            itemStyle: {
-              color: {
-                type: 'linear',
-                x: 0, y: 0, x2: 0, y2: 1,
-                colorStops: [
-                  { offset: 0, color: '#ff7043' },
-                  { offset: 1, color: '#ff5722' },
-                ],
-              },
-            },
-          },
-        ],
-      };
 
-      const markdownContent = `\`\`\`echarts
-${JSON.stringify(echartsConfig)}
-\`\`\``;
+      // 验证图表数据是否有效
+      const hasValidChartData = chartData.labels?.length > 0 && chartData.counts?.length > 0;
 
       return (
         <Box mt={3}>
-          <MarkdownWithCharts content={markdownContent} variant="dark" />
+          {hasValidChartData ? (
+            (() => {
+              const echartsConfig = {
+                title: { text: `${data.data.formatted_date || ''} 涨停概念分布` },
+                tooltip: { trigger: 'axis' },
+                xAxis: {
+                  type: 'category',
+                  data: chartData.labels,
+                  axisLabel: { rotate: 30, fontSize: 10 },
+                },
+                yAxis: { type: 'value' },
+                series: [
+                  {
+                    name: '涨停家数',
+                    type: 'bar',
+                    data: chartData.counts,
+                    itemStyle: {
+                      color: {
+                        type: 'linear',
+                        x: 0, y: 0, x2: 0, y2: 1,
+                        colorStops: [
+                          { offset: 0, color: '#ff7043' },
+                          { offset: 1, color: '#ff5722' },
+                        ],
+                      },
+                    },
+                  },
+                ],
+              };
+
+              const markdownContent = `\`\`\`echarts
+${JSON.stringify(echartsConfig)}
+\`\`\``;
+
+              return <MarkdownWithCharts content={markdownContent} variant="dark" />;
+            })()
+          ) : (
+            <Text fontSize="xs" color="gray.500">暂无图表数据</Text>
+          )}
 
           {/* 板块详情 */}
           {data.data?.sector_data && (