diff --git a/README.md b/README.md
index e67f8b0..db74d3d 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 <div align="center">
 
-![Version](https://img.shields.io/badge/version-1.0.5-blue.svg)
+![Version](https://img.shields.io/badge/version-1.0.9-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)
@@ -351,7 +351,7 @@ MuMuAINovel/
 - 提交 [Issue](https://github.com/xiamuceer-j/MuMuAINovel/issues)
 - Linux DO [讨论](https://linux.do/t/topic/1106333)
 - 加入QQ群 [QQ群](frontend/public/qq.jpg)
-- 加入WX群 [WX群](frontend/public/WX.jpg)
+- 加入WX群 [WX群](frontend/public/WX.png)
 
 ---
 
diff --git a/backend/app/api/chapters.py b/backend/app/api/chapters.py
index 8e88c29..f250a94 100644
--- a/backend/app/api/chapters.py
+++ b/backend/app/api/chapters.py
@@ -953,6 +953,7 @@ async def generate_chapter_content_stream(
     style_id = generate_request.style_id
     target_word_count = generate_request.target_word_count or 3000
     enable_mcp = generate_request.enable_mcp if hasattr(generate_request, 'enable_mcp') else True
+    custom_model = generate_request.model if hasattr(generate_request, 'model') else None
     # 预先验证章节存在性（使用临时会话）
     async for temp_db in get_db(request):
         try:
@@ -1310,12 +1311,20 @@ async def generate_chapter_content_stream(
                 
                 logger.info(f"开始AI流式创作章节 {chapter_id}")
                 
+                # 准备生成参数
+                generate_kwargs = {"prompt": prompt}
+                if custom_model:
+                    logger.info(f"  使用自定义模型: {custom_model}")
+                    generate_kwargs["model"] = custom_model
+                    # 注意：这里使用用户配置的AI服务，模型参数会覆盖默认模型
+                    # 如果需要切换provider，需要在前端传递provider参数
+                
                 # 流式生成内容
                 full_content = ""
                 chunk_count = 0
                 last_progress = 0
                 
-                async for chunk in user_ai_service.generate_text_stream(prompt=prompt):
+                async for chunk in user_ai_service.generate_text_stream(**generate_kwargs):
                     full_content += chunk
                     chunk_count += 1
                     
@@ -2494,7 +2503,10 @@ 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):
+    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
+    ):
         full_content += chunk
     
     # 更新章节内容到数据库（使用锁保护）
diff --git a/backend/app/schemas/chapter.py b/backend/app/schemas/chapter.py
index d6e27db..2427a10 100644
--- a/backend/app/schemas/chapter.py
+++ b/backend/app/schemas/chapter.py
@@ -78,6 +78,7 @@ class ChapterGenerateRequest(BaseModel):
         le=10000  # 最大10000字
     )
     enable_mcp: bool = Field(True, description="是否启用MCP工具增强（搜索参考资料）")
+    model: Optional[str] = Field(None, description="指定使用的AI模型，不提供则使用用户默认模型")
 
 
 class BatchGenerateRequest(BaseModel):
@@ -94,6 +95,7 @@ class BatchGenerateRequest(BaseModel):
     enable_analysis: bool = Field(False, description="是否启用同步分析")
     enable_mcp: bool = Field(True, description="是否启用MCP工具增强（搜索参考资料）")
     max_retries: int = Field(3, description="每个章节的最大重试次数", ge=0, le=5)
+    model: Optional[str] = Field(None, description="指定使用的AI模型，不提供则使用用户默认模型")
 
 
 class BatchGenerateResponse(BaseModel):
diff --git a/frontend/package.json b/frontend/package.json
index 8990ee7..43f1fc8 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -1,7 +1,7 @@
 {
   "name": "frontend",
   "private": true,
-  "version": "1.0.8",
+  "version": "1.0.9",
   "type": "module",
   "scripts": {
     "dev": "vite",
diff --git a/frontend/src/pages/Chapters.tsx b/frontend/src/pages/Chapters.tsx
index 159857a..329a7e6 100644
--- a/frontend/src/pages/Chapters.tsx
+++ b/frontend/src/pages/Chapters.tsx
@@ -27,6 +27,8 @@ export default function Chapters() {
   const [writingStyles, setWritingStyles] = useState<WritingStyle[]>([]);
   const [selectedStyleId, setSelectedStyleId] = useState<number | undefined>();
   const [targetWordCount, setTargetWordCount] = useState<number>(3000);
+  const [availableModels, setAvailableModels] = useState<Array<{value: string, label: string}>>([]);
+  const [selectedModel, setSelectedModel] = useState<string | undefined>();
   const [analysisVisible, setAnalysisVisible] = useState(false);
   const [analysisChapterId, setAnalysisChapterId] = useState<string | null>(null);
   // 分析任务状态管理
@@ -187,6 +189,37 @@ export default function Chapters() {
     }
   };
 
+  const loadAvailableModels = async () => {
+    try {
+      // 从设置API获取用户配置的模型列表
+      const settingsResponse = await fetch('/api/settings');
+      if (settingsResponse.ok) {
+        const settings = await settingsResponse.json();
+        const { api_key, api_base_url, api_provider } = settings;
+        
+        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) {
+                setAvailableModels(data.models);
+                // 设置默认模型为当前配置的模型
+                setSelectedModel(settings.llm_model);
+              }
+            }
+          } catch (error) {
+            console.log('获取模型列表失败，将使用默认模型');
+          }
+        }
+      }
+    } catch (error) {
+      console.error('加载可用模型失败:', error);
+    }
+  };
+
   // 检查并恢复批量生成任务
   const checkAndRestoreBatchTask = async () => {
     if (!currentProject?.id) return;
@@ -270,6 +303,10 @@ export default function Chapters() {
     
     try {
       await updateChapter(editingId, values);
+      
+      // 刷新章节列表以获取完整的章节数据（包括outline_title等联查字段）
+      await refreshChapters();
+      
       message.success('章节更新成功');
       setIsModalOpen(false);
       form.resetFields();
@@ -288,6 +325,8 @@ export default function Chapters() {
       });
       setEditingId(id);
       setIsEditorOpen(true);
+      // 打开编辑窗口时加载模型列表
+      loadAvailableModels();
     }
   };
 
@@ -335,7 +374,8 @@ export default function Chapters() {
           // 进度回调
           setSingleChapterProgress(progressValue);
           setSingleChapterProgressMessage(progressMsg);
-        }
+        },
+        selectedModel  // 传递选中的模型
       );
       
       message.success('AI创作成功，正在分析章节内容...');
@@ -1517,9 +1557,21 @@ export default function Chapters() {
           <Form.Item
             label="章节标题"
             name="title"
-            tooltip="章节标题由大纲管理，建议在大纲页面统一修改"
+            tooltip={
+              currentProject.outline_mode === 'one-to-one'
+                ? "章节标题由大纲管理，建议在大纲页面统一修改"
+                : "一对多模式下可以修改章节标题"
+            }
+            rules={
+              currentProject.outline_mode === 'one-to-many'
+                ? [{ required: true, message: '请输入章节标题' }]
+                : undefined
+            }
           >
-            <Input placeholder="输入章节标题" disabled />
+            <Input
+              placeholder="输入章节标题"
+              disabled={currentProject.outline_mode === 'one-to-one'}
+            />
           </Form.Item>
 
           <Form.Item
@@ -1666,6 +1718,32 @@ export default function Chapters() {
             </div>
           </Form.Item>
 
+          <Form.Item
+            label="AI模型"
+            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"
+              value={selectedModel}
+              onChange={setSelectedModel}
+              size="large"
+              allowClear
+              disabled={isGenerating}
+              style={{ width: '100%' }}
+              showSearch
+              optionFilterProp="label"
+            >
+              {availableModels.map(model => (
+                <Select.Option key={model.value} value={model.value} label={model.label}>
+                  {model.label}
+                </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
+            </div>
+          </Form.Item>
+
           <Form.Item label="章节内容" name="content">
             <TextArea
               ref={contentTextAreaRef}
diff --git a/frontend/src/store/hooks.ts b/frontend/src/store/hooks.ts
index b2a9fe5..051611b 100644
--- a/frontend/src/store/hooks.ts
+++ b/frontend/src/store/hooks.ts
@@ -286,7 +286,8 @@ export function useChapterSync() {
     onProgress?: (content: string) => void,
     styleId?: number,
     targetWordCount?: number,
-    onProgressUpdate?: (message: string, progress: number) => void
+    onProgressUpdate?: (message: string, progress: number) => void,
+    model?: string
   ) => {
     try {
       // 使用fetch处理流式响应
@@ -297,7 +298,8 @@ export function useChapterSync() {
         },
         body: JSON.stringify({
           style_id: styleId,
-          target_word_count: targetWordCount
+          target_word_count: targetWordCount,
+          model: model
         }),
       });