diff --git a/dsLightRag/static/teacherHelper/index.html b/dsLightRag/static/teacherHelper/index.html
index c70c987d..9687fdcf 100644
--- a/dsLightRag/static/teacherHelper/index.html
+++ b/dsLightRag/static/teacherHelper/index.html
@@ -207,9 +207,18 @@
                                     <label for="daoXueAnSystemPrompt" class="form-label">系统提示词</label>
                                     <textarea class="form-control" id="daoXueAnSystemPrompt" rows="3">你是市级骨干教师，撰写导学案时严格对标"核心素养四维度（物理观念、科学思维、探究能力、态度责任）"，并采用"目标—评价—活动"逆向设计模板（UbD）。</textarea>
                                 </div>
+                                <!-- 新增难度选择器 -->
+                                <div class="mb-3">
+                                    <label for="daoXueAnDifficulty" class="form-label">难度级别</label>
+                                    <select class="form-select" id="daoXueAnDifficulty">
+                                        <option value="basic">基础</option>
+                                        <option value="intermediate">提高</option>
+                                        <option value="advanced">进阶</option>
+                                    </select>
+                                </div>
                                 <div class="mb-3">
                                     <label for="daoXueAnUserPrompt" class="form-label">用户提示词</label>
-                                    <textarea class="form-control" id="daoXueAnUserPrompt" rows="6">请输出"万有引力"第1课时的导学案，要求包含教材学情分析、四维目标、重难点、教学准备、教学过程时间轴表格、板书设计和作业布置。</textarea>
+                                    <textarea class="form-control" id="daoXueAnUserPrompt" rows="6">请输出"万有引力"第1课时的导学案...</textarea>
                                 </div>
                                 <button type="button" class="btn btn-primary" id="generateDaoXueAn" onclick="generateResource('daoXueAn')">
                                     <i class="bi bi-magic me-2"></i>生成导学案
@@ -219,16 +228,17 @@
                             <div id="daoXueAnResult" class="result-container"></div>
                         </div>
 
-                        <!-- 教案标签页 -->
+                        <!-- 教案标签页（已移除难度选择器） -->
                         <div class="tab-pane fade" id="jiaoAn" role="tabpanel">
                             <form id="jiaoAnForm">
                                 <div class="mb-3">
                                     <label for="jiaoAnSystemPrompt" class="form-label">系统提示词</label>
                                     <textarea class="form-control" id="jiaoAnSystemPrompt" rows="3">你是市级骨干教师，撰写教案时严格对标"核心素养四维度（物理观念、科学思维、探究能力、态度责任）"。</textarea>
                                 </div>
+                                <!-- 已删除难度选择器代码 -->
                                 <div class="mb-3">
                                     <label for="jiaoAnUserPrompt" class="form-label">用户提示词</label>
-                                    <textarea class="form-control" id="jiaoAnUserPrompt" rows="6">请输出"万有引力"第1课时的教案，要求包含教材学情分析、四维目标、重难点、教学准备、教学过程时间轴表格、板书设计和作业布置。</textarea>
+                                    <textarea class="form-control" id="jiaoAnUserPrompt" rows="6">请输出"万有引力"第1课时的教案...</textarea>
                                 </div>
                                 <button type="button" class="btn btn-primary" id="generateJiaoAn" onclick="generateResource('jiaoAn')">
                                     <i class="bi bi-magic me-2"></i>生成教案
@@ -238,16 +248,17 @@
                             <div id="jiaoAnResult" class="result-container"></div>
                         </div>
 
-                        <!-- 课件标签页 -->
+                        <!-- 课件标签页（已移除难度选择器） -->
                         <div class="tab-pane fade" id="keJian" role="tabpanel">
                             <form id="keJianForm">
                                 <div class="mb-3">
                                     <label for="keJianSystemPrompt" class="form-label">系统提示词</label>
                                     <textarea class="form-control" id="keJianSystemPrompt" rows="3">你是PPT视觉设计教练，遵循"6×6原则"（每页≤6行，每行≤6词），字体≥28pt。</textarea>
                                 </div>
+                                <!-- 已删除难度选择器代码 -->
                                 <div class="mb-3">
                                     <label for="keJianUserPrompt" class="form-label">用户提示词</label>
-                                    <textarea class="form-control" id="keJianUserPrompt" rows="6">为"万有引力"生成12页PPT大纲，包含封面、情境导入、概念建构、规律探究、公式推导、例题精讲、当堂检测、小结和作业布置。</textarea>
+                                    <textarea class="form-control" id="keJianUserPrompt" rows="6">为"万有引力"生成12页PPT大纲...</textarea>
                                 </div>
                                 <button type="button" class="btn btn-primary" id="generateKeJian" onclick="generateResource('keJian')">
                                     <i class="bi bi-magic me-2"></i>生成课件
@@ -264,9 +275,18 @@
                                     <label for="zuoYeSystemPrompt" class="form-label">系统提示词</label>
                                     <textarea class="form-control" id="zuoYeSystemPrompt" rows="3">你是命题专家，熟悉布鲁姆认知分类和'双减'政策，题量控制为20分钟完成。</textarea>
                                 </div>
+                                <!-- 新增难度选择器 -->
+                                <div class="mb-3">
+                                    <label for="zuoYeDifficulty" class="form-label">难度级别</label>
+                                    <select class="form-select" id="zuoYeDifficulty">
+                                        <option value="basic">基础</option>
+                                        <option value="intermediate">提高</option>
+                                        <option value="advanced">进阶</option>
+                                    </select>
+                                </div>
                                 <div class="mb-3">
                                     <label for="zuoYeUserPrompt" class="form-label">用户提示词</label>
-                                    <textarea class="form-control" id="zuoYeUserPrompt" rows="6">请根据万有引力知识点生成课后作业，包含8道客观题（40分）和2道主观题（60分），并提供评分标准。</textarea>
+                                    <textarea class="form-control" id="zuoYeUserPrompt" rows="6">请根据万有引力知识点生成课后作业...</textarea>
                                 </div>
                                 <button type="button" class="btn btn-primary" id="generateZuoYe" onclick="generateResource('zuoYe')">
                                     <i class="bi bi-magic me-2"></i>生成作业
@@ -302,52 +322,43 @@
         const loadingElement = document.getElementById(`${resourceType}Loading`);
         const resultContainer = document.getElementById(`${resourceType}Result`);
         const systemPrompt = document.getElementById(`${resourceType}SystemPrompt`).value;
-        const userPrompt = document.getElementById(`${resourceType}UserPrompt`).value;
-
-        // 验证输入
-        if (!userPrompt.trim()) {
-            alert('请输入用户提示词');
-            return;
+        // 已实现的逻辑（无需修改）
+        const difficultyElement = document.getElementById(`${resourceType}Difficulty`);
+        let userPrompt = document.getElementById(`${resourceType}UserPrompt`).value;
+    
+        // 仅当难度选择器存在时才添加分层提示词
+        if (difficultyElement) {
+            const difficulty = difficultyElement.value;
+            const difficultyPrompts = {
+                basic: "【分层要求】侧重基础知识讲解和简单应用，例题和练习以教材基础题为主，适合基础薄弱学生。",
+                intermediate: "【分层要求】增加知识综合应用，例题包含教材变式题，练习加入少量拓展题，适合中等水平学生。",
+                advanced: "【分层要求】强调知识迁移和拓展探究，例题为综合应用题，练习包含挑战性问题和跨学科联系，适合优秀学生。"
+            };
+            userPrompt = `${userPrompt}\n\n${difficultyPrompts[difficulty]}`;
         }
+    
+        // 发送请求（保持原有代码不变）
+        const response = await fetch(`/api/teacher/${resourceType}`, {
+            method: 'POST',
+            headers: {'Content-Type': 'application/json'},
+            body: JSON.stringify({
+                system_prompt: systemPrompt,
+                user_prompt: userPrompt // 发送拼接后的提示词
+            })
+        });
 
-        // 重置状态
-        resultContainer.innerHTML = '';
-        resultContainer.style.display = 'block';
-        loadingElement.style.display = 'flex';
+        if (!response.ok) throw new Error(`HTTP错误: ${response.status}`);
 
-        // 禁用按钮
-        generateButton.disabled = true;
-        generateButton.classList.add('btn-disabled');
-        generateButton.innerHTML = '<i class="bi bi-hourglass-split me-2"></i>生成中...';
-
-        try {
-            // 发送请求
-            const response = await fetch(`/api/teacher/${resourceType}`, {
-                method: 'POST',
-                headers: {'Content-Type': 'application/json'},
-                body: JSON.stringify({
-                    system_prompt: systemPrompt,
-                    user_prompt: userPrompt
-                })
-            });
-
-            if (!response.ok) throw new Error(`HTTP错误: ${response.status}`);
-
-            // 处理流式响应
-            const reader = response.body.getReader();
-            const decoder = new TextDecoder();
-            let done = false;
-
-            while (!done) {
-                const { value, done: doneReading } = await reader.read();
-                done = doneReading;
-                const chunk = decoder.decode(value, { stream: true });
-                if (chunk) handleStreamData(chunk, resourceType, resultContainer, loadingElement, generateButton);
-            }
-        } catch (error) {
-            console.error('生成资源失败:', error);
-            resultContainer.innerHTML = `<div class="alert alert-danger"><i class="bi bi-exclamation-triangle me-2"></i>生成失败: ${error.message}</div>`;
-            resetState(loadingElement, generateButton);
+        // 处理流式响应
+        const reader = response.body.getReader();
+        const decoder = new TextDecoder();
+        let done = false;
+    
+        while (!done) {
+            const { value, done: doneReading } = await reader.read();
+            done = doneReading;
+            const chunk = decoder.decode(value, { stream: true });
+            if (chunk) handleStreamData(chunk, resourceType, resultContainer, loadingElement, generateButton);
         }
     }
 
diff --git a/dsLightRag/static/teacherHelpergenerated_files/导学案_20250905071053.docx b/dsLightRag/static/teacherHelpergenerated_files/导学案_20250905071053.docx
new file mode 100644
index 00000000..3b263d49
Binary files /dev/null and b/dsLightRag/static/teacherHelpergenerated_files/导学案_20250905071053.docx differ