diff --git a/dsLightRag/static/Formula.json b/dsLightRag/static/Formula.json
new file mode 100644
index 00000000..c84fc8a6
--- /dev/null
+++ b/dsLightRag/static/Formula.json
@@ -0,0 +1,13 @@
+{
+    "Data": {
+        "algo_version": "",
+        "content": "\\left \\{ \\begin{array} { l } x = a \\cos t \\\\ y = b \\sin t \\end{array} \\right . \\left ( 0 \\le t \\le 2 \\pi \\right )",
+        "height": 71,
+        "orgHeight": 71,
+        "orgWidth": 235,
+        "prism_version": "1.0.9",
+        "prism_wnum": 0,
+        "width": 235
+    },
+    "RequestId": "B90B6C5C-517F-5D84-BFD7-9EA7A612E704"
+}
\ No newline at end of file
diff --git a/dsLightRag/static/RecognizeEduQuestionOcr.html b/dsLightRag/static/RecognizeEduQuestionOcr.html
index 6fab9f36..3cd177d1 100644
--- a/dsLightRag/static/RecognizeEduQuestionOcr.html
+++ b/dsLightRag/static/RecognizeEduQuestionOcr.html
@@ -163,7 +163,11 @@
         }
 
         .option-item {
-            display: inline-block; /* 保持行内块级特性 */
+            display: block !important; /* 强制块级显示 */
+            margin: 0.5em 0; /* 上下间距 */
+            padding: 0.3em; /* 内边距 */
+            width: 100%; /* 占满容器宽度 */
+            box-sizing: border-box; /* 确保padding不会溢出 */
             padding-right: 15px; /* 序号与内容间距 */
             font-weight: bold; /* 突出显示选项序号 */
         }
@@ -196,7 +200,7 @@
             height: 100%;
             min-height: 200px;
             color: #666;
-            background-color: rgba(249, 249, 249, 0.7); /* 调整透明度为0.7 */
+            background-color: rgba(249, 249, 249, 0.7); /* 将不透明度从0.95调整为0.7 */
         }
 
         .spinner {
@@ -339,35 +343,40 @@
     function recognizeFormula() {
         const imageUrl = document.getElementById('formulaImageUrl').value.trim();
         const resultArea = document.getElementById('formulaResult');
-
+    
         if (!imageUrl) { alert('请输入图片URL！'); return; }
-
+    
         resultArea.innerHTML = '<div class="loading-animation"><div class="spinner"></div><div>正在识别公式...</div></div>';
-
-        fetch('/api/recognize-formula', {
-            method: 'POST',
-            headers: { 'Content-Type': 'application/json' },
-            body: JSON.stringify({ image_url: imageUrl })
-        })
-        .then(response => response.json())
-        .then(data => {
-            if (data.error) { resultArea.innerHTML = `<div style="color:red">识别失败: ${data.error}</div>`; return; }
-
-            const content = data.Data?.content || '';
-            if (!content) { resultArea.innerHTML = '<div>未识别到公式内容</div>'; return; }
-
-            try {
-                resultArea.innerHTML = `<div class="tex2jax_process">$$${content}$$</div>`;
-                renderWithMathJax(resultArea);
-            } catch (error) {
-                console.error('公式处理错误:', error);
-                resultArea.innerHTML = `<div style="color:red">公式处理失败: ${error.message}</div>`;
-            }
-        })
-        .catch(error => {
-            console.error('请求错误:', error);
-            resultArea.innerHTML = `<div style="color:red">请求出错，请重试</div>`;
-        });
+    
+        // 添加延迟模拟API调用
+        setTimeout(() => {
+            // 读取本地JSON文件
+            fetch('Formula.json')
+            .then(response => {
+                console.log('JSON请求响应:', response);
+                if (!response.ok) throw new Error('无法加载本地JSON文件');
+                return response.json();
+            })
+            .then(data => {
+                if (data.error) { resultArea.innerHTML = `<div style="color:red">识别失败: ${data.error}</div>`; return; }
+    
+                const content = data.Data?.content || '';
+                if (!content) { resultArea.innerHTML = '<div>未识别到公式内容</div>'; return; }
+    
+                try {
+                    resultArea.innerHTML = `<div class="tex2jax_process">$$${content}$$</div>`;
+                    renderWithMathJax(resultArea);
+                } catch (error) {
+                    console.error('公式处理错误:', error);
+                    resultArea.innerHTML = `<div style="color:red">公式处理失败: ${error.message}</div>`;
+                }
+            })
+            .catch(error => {
+                console.error('请求错误:', error);
+                const errorMsg = '加载本地JSON失败: ' + error.message;
+                resultArea.innerHTML = `<div style="color:red">${errorMsg}</div>`;
+            });
+        }, 1000); // 1秒延迟
     }
 
     // 识别试题
@@ -397,10 +406,24 @@
                 console.log("处理前："+content);
 
                 try {
-                    // 处理选项格式 - 序号与内容同行，选项间换行
-                    content = content.replace(/([A-D])\s*\.\s*/g, '<span class="option-item">$$$1. </span><br>');
-                    console.log("处理后："+content);
-                    // 确保不替换已添加的<br>标签
+                    // 彻底修复选项标签闭合问题 - 采用分而治之策略
+                    // 1. 首先拆分所有选项为独立数组
+                    const options = content.split(/(?=[A-D]\s*\.)/);
+                    // 2. 逐个处理每个选项确保标签完整
+                    content = options.map(option => {
+                      // 仅处理以选项标签开头的部分
+                      if (/^[A-D]\s*\./.test(option)) {
+                        return `<span class="option-item">$${option}$</span>`; // 添加$符号
+                      }
+                      return option;
+                    }).join('');
+                    // 3. 清理可能的空标签
+                    content = content.replace(/<span class="option-item"><\/span>/g, '');
+                    if (!content.includes('<span class="option-item">')) {
+                      content = content.replace(/((?:[A-D]\s*\.\s*[^.]+)+)/g, '<span class="option-item">$1</span>');
+                    }
+                    // 添加选项间的分隔处理
+                    content = content.replace(/<\/span>\s*<span class="option-item">/g, '</span>\n<span class="option-item">');
                     const latexContainer = document.createElement('div');
                     latexContainer.className = 'tex2jax_process';
                     latexContainer.innerHTML = content;