diff --git a/src/components/ChatBot/MarkdownWithCharts.js b/src/components/ChatBot/MarkdownWithCharts.js
index 0efdd1ec..6ae44607 100644
--- a/src/components/ChatBot/MarkdownWithCharts.js
+++ b/src/components/ChatBot/MarkdownWithCharts.js
@@ -240,6 +240,60 @@ export const MarkdownWithCharts = ({ content, variant = 'auto' }) => {
             // 移除可能的前后空白和不可见字符
             cleanContent = cleanContent.replace(/^\s+|\s+$/g, '');
 
+            // 检查 JSON 是否完整并尝试修复
+            // 使用栈来跟踪括号，确保正确的闭合顺序
+            const stack = [];
+            let inString = false;
+            let escape = false;
+
+            for (let i = 0; i < cleanContent.length; i++) {
+              const char = cleanContent[i];
+
+              if (escape) {
+                escape = false;
+                continue;
+              }
+
+              if (char === '\\' && inString) {
+                escape = true;
+                continue;
+              }
+
+              if (char === '"') {
+                inString = !inString;
+                continue;
+              }
+
+              if (inString) continue;
+
+              if (char === '{' || char === '[') {
+                stack.push(char);
+              } else if (char === '}') {
+                if (stack.length > 0 && stack[stack.length - 1] === '{') {
+                  stack.pop();
+                }
+              } else if (char === ']') {
+                if (stack.length > 0 && stack[stack.length - 1] === '[') {
+                  stack.pop();
+                }
+              }
+            }
+
+            // 如果栈不为空，说明有未闭合的括号，需要补全
+            if (stack.length > 0) {
+              logger.warn('检测到不完整的 ECharts JSON，尝试修复', {
+                unclosed: stack.join(''),
+              });
+
+              // 按照栈的逆序补全闭合括号
+              while (stack.length > 0) {
+                const open = stack.pop();
+                cleanContent += open === '{' ? '}' : ']';
+              }
+
+              logger.info('ECharts JSON 已修复');
+            }
+
             // 尝试解析 JSON
             const chartOption = JSON.parse(cleanContent);