diff --git a/README.md b/README.md
index db74d3d..f6dcbf4 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 <div align="center">
 
-![Version](https://img.shields.io/badge/version-1.0.9-blue.svg)
+![Version](https://img.shields.io/badge/version-1.0.10-blue.svg)
 ![Python](https://img.shields.io/badge/python-3.11-blue.svg)
 ![FastAPI](https://img.shields.io/badge/FastAPI-0.109.0-green.svg)
 ![React](https://img.shields.io/badge/react-18.3.1-blue.svg)
diff --git a/backend/app/api/chapters.py b/backend/app/api/chapters.py
index f250a94..6e90595 100644
--- a/backend/app/api/chapters.py
+++ b/backend/app/api/chapters.py
@@ -1973,12 +1973,13 @@ async def batch_generate_chapters_in_order(
     
     logger.info(f"📦 创建批量生成任务: {batch_id}, 章节: 第{start_number}-{end_number}章, 预估耗时: {estimated_time}分钟")
     
-    # 启动后台批量生成任务
+    # 启动后台批量生成任务，传递model参数
     background_tasks.add_task(
         execute_batch_generation_in_order,
         batch_id=batch_id,
         user_id=user_id,
-        ai_service=user_ai_service
+        ai_service=user_ai_service,
+        custom_model=batch_request.model
     )
     
     return BatchGenerateResponse(
@@ -2105,7 +2106,8 @@ async def cancel_batch_generation(
 async def execute_batch_generation_in_order(
     batch_id: str,
     user_id: str,
-    ai_service: AIService
+    ai_service: AIService,
+    custom_model: Optional[str] = None
 ):
     """
     按顺序执行批量生成任务（后台任务）
@@ -2194,7 +2196,7 @@ async def execute_batch_generation_in_order(
                     if not can_generate:
                         raise Exception(f"前置条件不满足: {error_msg}")
                     
-                    # 生成章节内容（复用现有流式生成逻辑的核心部分）
+                    # 生成章节内容（复用现有流式生成逻辑的核心部分），传递model参数
                     await generate_single_chapter_for_batch(
                         db_session=db_session,
                         chapter=chapter,
@@ -2202,7 +2204,8 @@ async def execute_batch_generation_in_order(
                         style_id=task.style_id,
                         target_word_count=task.target_word_count,
                         ai_service=ai_service,
-                        write_lock=write_lock
+                        write_lock=write_lock,
+                        custom_model=custom_model
                     )
                     
                     logger.info(f"✅ 章节生成完成: 第{chapter.chapter_number}章")
@@ -2316,7 +2319,8 @@ async def generate_single_chapter_for_batch(
     style_id: Optional[int],
     target_word_count: int,
     ai_service: AIService,
-    write_lock: Lock
+    write_lock: Lock,
+    custom_model: Optional[str] = None
 ):
     """
     为批量生成执行单个章节的生成（非流式）
@@ -2503,10 +2507,14 @@ async def generate_single_chapter_for_batch(
     
     # 非流式生成内容
     full_content = ""
-    async for chunk in ai_service.generate_text_stream(
-        prompt=prompt,
-        model=None  # 批量生成时使用用户默认模型，后续可扩展
-    ):
+    # 准备生成参数
+    generate_kwargs = {"prompt": prompt}
+    # 如果传入了自定义模型，使用指定的模型
+    if custom_model:
+        generate_kwargs["model"] = custom_model
+        logger.info(f"  批量生成使用自定义模型: {custom_model}")
+    
+    async for chunk in ai_service.generate_text_stream(**generate_kwargs):
         full_content += chunk
     
     # 更新章节内容到数据库（使用锁保护）
diff --git a/backend/app/api/outlines.py b/backend/app/api/outlines.py
index a5eb214..db9ed7b 100644
--- a/backend/app/api/outlines.py
+++ b/backend/app/api/outlines.py
@@ -1111,10 +1111,19 @@ async def new_outline_generator(
         
         # 调用AI
         yield await SSEResponse.send_progress("🤖 正在调用AI生成...", 30)
+        
+        # 添加调试日志
+        model_param = data.get("model")
+        provider_param = data.get("provider")
+        logger.info(f"=== 大纲生成AI调用参数 ===")
+        logger.info(f"  provider参数: {provider_param}")
+        logger.info(f"  model参数: {model_param}")
+        logger.info(f"  完整data: {data}")
+        
         ai_response = await user_ai_service.generate_text(
             prompt=prompt,
-            provider=data.get("provider"),
-            model=data.get("model")
+            provider=provider_param,
+            model=model_param
         )
         
         yield await SSEResponse.send_progress("✅ AI生成完成，正在解析...", 70)
@@ -1446,10 +1455,16 @@ async def continue_outline_generator(
             )
             
             # 调用AI生成当前批次
+            model_param = data.get("model")
+            provider_param = data.get("provider")
+            logger.info(f"=== 续写批次{batch_num + 1} AI调用参数 ===")
+            logger.info(f"  provider参数: {provider_param}")
+            logger.info(f"  model参数: {model_param}")
+            
             ai_response = await user_ai_service.generate_text(
                 prompt=prompt,
-                provider=data.get("provider"),
-                model=data.get("model")
+                provider=provider_param,
+                model=model_param
             )
             
             yield await SSEResponse.send_progress(
diff --git a/frontend/package.json b/frontend/package.json
index 43f1fc8..a6a66e3 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -1,7 +1,7 @@
 {
   "name": "frontend",
   "private": true,
-  "version": "1.0.9",
+  "version": "1.0.10",
   "type": "module",
   "scripts": {
     "dev": "vite",
diff --git a/frontend/src/pages/Chapters.tsx b/frontend/src/pages/Chapters.tsx
index 329a7e6..67238dc 100644
--- a/frontend/src/pages/Chapters.tsx
+++ b/frontend/src/pages/Chapters.tsx
@@ -29,6 +29,7 @@ export default function Chapters() {
   const [targetWordCount, setTargetWordCount] = useState<number>(3000);
   const [availableModels, setAvailableModels] = useState<Array<{value: string, label: string}>>([]);
   const [selectedModel, setSelectedModel] = useState<string | undefined>();
+  const [batchSelectedModel, setBatchSelectedModel] = useState<string | undefined>(); // 批量生成的模型选择
   const [analysisVisible, setAnalysisVisible] = useState(false);
   const [analysisChapterId, setAnalysisChapterId] = useState<string | null>(null);
   // 分析任务状态管理
@@ -48,6 +49,7 @@ export default function Chapters() {
   const [batchGenerateVisible, setBatchGenerateVisible] = useState(false);
   const [batchGenerating, setBatchGenerating] = useState(false);
   const [batchTaskId, setBatchTaskId] = useState<string | null>(null);
+  const [batchForm] = Form.useForm();
   const [batchProgress, setBatchProgress] = useState<{
     status: string;
     total: number;
@@ -208,6 +210,7 @@ export default function Chapters() {
                 setAvailableModels(data.models);
                 // 设置默认模型为当前配置的模型
                 setSelectedModel(settings.llm_model);
+                return settings.llm_model; // 返回模型名称
               }
             }
           } catch (error) {
@@ -218,6 +221,7 @@ export default function Chapters() {
     } catch (error) {
       console.error('加载可用模型失败:', error);
     }
+    return null;
   };
 
   // 检查并恢复批量生成任务
@@ -590,13 +594,23 @@ export default function Chapters() {
     enableAnalysis: boolean;
     styleId?: number;
     targetWordCount?: number;
+    model?: string;
   }) => {
     if (!currentProject?.id) return;
     
+    // 调试日志
+    console.log('[批量生成] 表单values:', values);
+    console.log('[批量生成] batchSelectedModel状态:', batchSelectedModel);
+    
     // 使用批量生成对话框中选择的风格和字数，如果没有选择则使用默认值
     const styleId = values.styleId || selectedStyleId;
     const wordCount = values.targetWordCount || targetWordCount;
     
+    // 使用批量生成专用的模型状态
+    const model = batchSelectedModel;
+    
+    console.log('[批量生成] 最终使用的model:', model);
+    
     if (!styleId) {
       message.error('请选择写作风格');
       return;
@@ -606,18 +620,30 @@ export default function Chapters() {
       setBatchGenerating(true);
       setBatchGenerateVisible(false); // 关闭配置对话框，避免遮挡进度弹窗
       
+      const requestBody: any = {
+        start_chapter_number: values.startChapterNumber,
+        count: values.count,
+        enable_analysis: values.enableAnalysis,
+        style_id: styleId,
+        target_word_count: wordCount,
+      };
+      
+      // 如果有模型参数，添加到请求体中
+      if (model) {
+        requestBody.model = model;
+        console.log('[批量生成] 请求体包含model:', model);
+      } else {
+        console.log('[批量生成] 请求体不包含model，使用后端默认模型');
+      }
+      
+      console.log('[批量生成] 完整请求体:', JSON.stringify(requestBody, null, 2));
+      
       const response = await fetch(`/api/chapters/project/${currentProject.id}/batch-generate`, {
         method: 'POST',
         headers: {
           'Content-Type': 'application/json',
         },
-        body: JSON.stringify({
-          start_chapter_number: values.startChapterNumber,
-          count: values.count,
-          enable_analysis: values.enableAnalysis,
-          style_id: styleId,
-          target_word_count: wordCount,
-        }),
+        body: JSON.stringify(requestBody),
       });
       
       if (!response.ok) {
@@ -725,7 +751,7 @@ export default function Chapters() {
   };
 
   // 打开批量生成对话框
-  const handleOpenBatchGenerate = () => {
+  const handleOpenBatchGenerate = async () => {
     // 找到第一个未生成的章节
     const firstIncompleteChapter = sortedChapters.find(
       ch => !ch.content || ch.content.trim() === ''
@@ -743,6 +769,24 @@ export default function Chapters() {
       return;
     }
     
+    // 打开对话框时加载模型列表，等待完成
+    const defaultModel = await loadAvailableModels();
+    
+    console.log('[打开批量生成] defaultModel:', defaultModel);
+    console.log('[打开批量生成] selectedStyleId:', selectedStyleId);
+    
+    // 设置批量生成的模型选择状态
+    setBatchSelectedModel(defaultModel || undefined);
+    
+    // 重置表单并设置初始值
+    batchForm.setFieldsValue({
+      startChapterNumber: firstIncompleteChapter.chapter_number,
+      count: 5,
+      enableAnalysis: false,
+      styleId: selectedStyleId,
+      targetWordCount: 3000,
+    });
+    
     setBatchGenerateVisible(true);
   };
 
@@ -1723,7 +1767,7 @@ export default function Chapters() {
             tooltip="选择用于生成章节内容的AI模型，不选择则使用默认模型"
           >
             <Select
-              placeholder="使用默认模型"
+              placeholder={selectedModel ? `默认: ${availableModels.find(m => m.value === selectedModel)?.label || selectedModel}` : "使用默认模型"}
               value={selectedModel}
               onChange={setSelectedModel}
               size="large"
@@ -1736,11 +1780,12 @@ export default function Chapters() {
               {availableModels.map(model => (
                 <Select.Option key={model.value} value={model.value} label={model.label}>
                   {model.label}
+                  {model.value === selectedModel && ' (默认)'}
                 </Select.Option>
               ))}
             </Select>
             <div style={{ color: '#666', fontSize: 12, marginTop: 4 }}>
-              不同模型有不同的特点和定价，请根据需要选择
+              {selectedModel ? `当前默认模型: ${availableModels.find(m => m.value === selectedModel)?.label || selectedModel}` : '加载模型列表中...'}
             </div>
           </Form.Item>
 
@@ -1889,6 +1934,7 @@ export default function Chapters() {
       >
         {!batchGenerating ? (
           <Form
+            form={batchForm}
             layout="vertical"
             onFinish={handleBatchGenerate}
             initialValues={{
@@ -1897,6 +1943,7 @@ export default function Chapters() {
               enableAnalysis: false,
               styleId: selectedStyleId,
               targetWordCount: 3000,
+              model: selectedModel,
             }}
           >
             <Alert
@@ -1989,6 +2036,31 @@ export default function Chapters() {
               </div>
             </Form.Item>
 
+            <Form.Item
+              label="AI模型"
+              tooltip="批量生成时所有章节使用相同模型，不选择则使用默认模型"
+            >
+              <Select
+                placeholder={batchSelectedModel ? `默认: ${availableModels.find(m => m.value === batchSelectedModel)?.label || batchSelectedModel}` : "使用默认模型"}
+                value={batchSelectedModel}
+                onChange={setBatchSelectedModel}
+                size="large"
+                allowClear
+                showSearch
+                optionFilterProp="label"
+              >
+                {availableModels.map(model => (
+                  <Select.Option key={model.value} value={model.value} label={model.label}>
+                    {model.label}
+                    {model.value === batchSelectedModel && ' (默认)'}
+                  </Select.Option>
+                ))}
+              </Select>
+              <div style={{ color: '#666', fontSize: 12, marginTop: 4 }}>
+                {batchSelectedModel ? `当前默认模型: ${availableModels.find(m => m.value === batchSelectedModel)?.label || batchSelectedModel}` : '加载模型列表中...'}
+              </div>
+            </Form.Item>
+
             <Form.Item
               label="同步分析"
               name="enableAnalysis"
diff --git a/frontend/src/pages/Outline.tsx b/frontend/src/pages/Outline.tsx
index 63709f0..eb3351f 100644
--- a/frontend/src/pages/Outline.tsx
+++ b/frontend/src/pages/Outline.tsx
@@ -165,6 +165,12 @@ export default function Outline() {
     try {
       setIsGenerating(true);
       
+      // 添加详细的调试日志
+      console.log('=== 大纲生成调试信息 ===');
+      console.log('1. Form values 原始数据:', values);
+      console.log('2. values.model:', values.model);
+      console.log('3. values.provider:', values.provider);
+      
       // 关闭生成表单Modal
       Modal.destroyAll();
       
@@ -174,7 +180,7 @@ export default function Outline() {
       setSSEModalVisible(true);
       
       // 准备请求数据
-      const requestData = {
+      const requestData: any = {
         project_id: currentProject.id,
         genre: currentProject.genre || '通用',
         theme: values.theme || currentProject.theme || '',
@@ -184,11 +190,26 @@ export default function Outline() {
         requirements: values.requirements,
         mode: values.mode || 'auto',
         story_direction: values.story_direction,
-        plot_stage: values.plot_stage || 'development',
-        provider: values.provider,
-        model: values.model
+        plot_stage: values.plot_stage || 'development'
       };
       
+      // 只有在用户选择了模型时才添加model参数
+      if (values.model) {
+        requestData.model = values.model;
+        console.log('4. 添加model到请求:', values.model);
+      } else {
+        console.log('4. values.model为空，不添加到请求');
+      }
+      
+      // 添加provider参数（如果有）
+      if (values.provider) {
+        requestData.provider = values.provider;
+        console.log('5. 添加provider到请求:', values.provider);
+      }
+      
+      console.log('6. 最终请求数据:', JSON.stringify(requestData, null, 2));
+      console.log('=========================');
+      
       // 使用SSE客户端
       const apiUrl = `/api/outlines/generate-stream`;
       const client = new SSEPostClient(apiUrl, requestData, {
@@ -224,10 +245,35 @@ export default function Outline() {
     }
   };
 
-  const showGenerateModal = () => {
+  const showGenerateModal = async () => {
     const hasOutlines = outlines.length > 0;
     const initialMode = hasOutlines ? 'continue' : 'new';
     
+    // 直接加载可用模型列表
+    const settingsResponse = await fetch('/api/settings');
+    const settings = await settingsResponse.json();
+    const { api_key, api_base_url, api_provider } = settings;
+    
+    let loadedModels: Array<{value: string, label: string}> = [];
+    let defaultModel: string | undefined = undefined;
+    
+    if (api_key && api_base_url) {
+      try {
+        const modelsResponse = await fetch(
+          `/api/settings/models?api_key=${encodeURIComponent(api_key)}&api_base_url=${encodeURIComponent(api_base_url)}&provider=${api_provider}`
+        );
+        if (modelsResponse.ok) {
+          const data = await modelsResponse.json();
+          if (data.models && data.models.length > 0) {
+            loadedModels = data.models;
+            defaultModel = settings.llm_model;
+          }
+        }
+      } catch (error) {
+        console.log('获取模型列表失败，将使用默认模型');
+      }
+    }
+    
     Modal.confirm({
       title: hasOutlines ? (
         <Space>
@@ -249,6 +295,7 @@ export default function Outline() {
             plot_stage: 'development',
             keep_existing: true,
             theme: currentProject.theme || '',
+            model: defaultModel, // 添加默认模型
           }}
         >
           {hasOutlines && (
@@ -360,6 +407,32 @@ export default function Outline() {
               );
             }}
           </Form.Item>
+          
+          {/* 自定义模型选择 - 移到外层，所有模式都显示 */}
+          {loadedModels.length > 0 && (
+            <Form.Item
+              label="AI模型"
+              name="model"
+              tooltip="选择用于生成的AI模型，不选则使用系统默认模型"
+            >
+              <Select
+                placeholder={defaultModel ? `默认: ${loadedModels.find(m => m.value === defaultModel)?.label || defaultModel}` : "使用默认模型"}
+                allowClear
+                showSearch
+                optionFilterProp="label"
+                options={loadedModels}
+                onChange={(value) => {
+                  console.log('用户在下拉框中选择了模型:', value);
+                  // 手动同步到Form
+                  generateForm.setFieldsValue({ model: value });
+                  console.log('已同步到Form，当前Form值:', generateForm.getFieldsValue());
+                }}
+              />
+              <div style={{ color: '#666', fontSize: 12, marginTop: 4 }}>
+                {defaultModel ? `当前默认模型: ${loadedModels.find(m => m.value === defaultModel)?.label || defaultModel}` : '未配置默认模型'}
+              </div>
+            </Form.Item>
+          )}
         </Form>
       ),
       okText: hasOutlines ? '开始续写' : '开始生成',