diff --git a/backend/ai_system/core_agents/main_agent.py b/backend/ai_system/core_agents/main_agent.py
index a92c6c7..bcd054f 100644
--- a/backend/ai_system/core_agents/main_agent.py
+++ b/backend/ai_system/core_agents/main_agent.py
@@ -238,11 +238,29 @@ def _setup_tools(self):
                 },
             }
 
+            # rename_section_title工具
+            rename_section_title_tool = {
+                "type": "function",
+                "function": {
+                    "name": "rename_section_title",
+                    "description": "修改paper.md文件中指定章节的标题，保持标题层级不变",
+                    "parameters": {
+                        "type": "object",
+                        "properties": {
+                            "old_title": {"type": "string", "description": "原章节标题（支持模糊匹配）"},
+                            "new_title": {"type": "string", "description": "新章节标题"}
+                        },
+                        "required": ["old_title", "new_title"],
+                    },
+                },
+            }
+
             tools.extend([
                 analyze_template_tool,
                 get_section_content_tool,
                 update_section_content_tool,
-                add_section_tool
+                add_section_tool,
+                rename_section_title_tool
             ])
 
         self.tools = tools
@@ -270,7 +288,8 @@ def _register_tool_functions(self):
                 "analyze_template": template_tool.analyze_template,
                 "get_section_content": template_tool.get_section_content,
                 "update_section_content": template_tool.update_section_content,
-                "add_section": template_tool.add_section
+                "add_section": template_tool.add_section,
+                "rename_section_title": template_tool.rename_section_title
             })
 
     async def _execute_code_agent_wrapper(self, task_prompt: str) -> str:
diff --git a/backend/ai_system/core_tools/template_tools.py b/backend/ai_system/core_tools/template_tools.py
index 7787a6a..d7c937c 100644
--- a/backend/ai_system/core_tools/template_tools.py
+++ b/backend/ai_system/core_tools/template_tools.py
@@ -236,4 +236,58 @@ async def add_section(self, section_title: str, content: str = "") -> str:
 
         except Exception as e:
             logger.error(f"添加章节失败: {e}")
-            return f"❌ 添加章节失败: {str(e)}"
\ No newline at end of file
+            return f"❌ 添加章节失败: {str(e)}"
+
+    async def rename_section_title(self, old_title: str, new_title: str) -> str:
+        """修改paper.md文件中指定章节的标题"""
+        template_content = self._read_paper_md()
+        if not template_content:
+            return "错误：当前工作目录中没有找到paper.md文件"
+
+        try:
+            import re
+            lines = template_content.split('\n')
+            result_lines = []
+            title_found = False
+            original_title = ""
+            i = 0
+
+            while i < len(lines):
+                line = lines[i]
+                stripped_line = line.strip()
+
+                # 检查是否是目标标题
+                if (stripped_line.startswith('#') and
+                    old_title.lower() in stripped_line.lower()):
+
+                    # 使用正则表达式提取标题信息
+                    header_match = re.match(r'^(#{1,6})\s+(.+)$', stripped_line)
+                    if header_match:
+                        level = header_match.group(1)  # 保持原标题层级
+                        original_title = header_match.group(2).strip()
+
+                        # 创建新的标题行
+                        new_line = f"{level} {new_title}"
+                        result_lines.append(new_line)
+                        title_found = True
+                        i += 1
+                        continue
+
+                result_lines.append(line)
+                i += 1
+
+            if not title_found:
+                return f"❌ 未找到匹配的标题: {old_title}"
+
+            # 保存修改后的内容
+            updated_content = '\n'.join(result_lines)
+            save_result = self._save_paper_md(updated_content)
+
+            if "✅" in save_result:
+                return f"✅ 标题修改成功：\"{original_title}\" → \"{new_title}\""
+            else:
+                return f"❌ 标题修改失败: {save_result}"
+
+        except Exception as e:
+            logger.error(f"修改标题失败: {e}")
+            return f"❌ 修改标题失败: {str(e)}"
\ No newline at end of file
diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index 0f429bf..d0c4207 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -25,4 +25,6 @@ dependencies = [
     "pandas>=2.3.1",
     "seaborn>=0.13.2",
     "alembic>=1.16.5",
+    "python-docx>=1.1.2",
+    "markdown>=3.6.0",
 ]
diff --git a/backend/services/file_services/workspace_files.py b/backend/services/file_services/workspace_files.py
index d1ec748..4ee7a40 100644
--- a/backend/services/file_services/workspace_files.py
+++ b/backend/services/file_services/workspace_files.py
@@ -3,12 +3,25 @@
 import shutil
 import zipfile
 import tempfile
+import logging
 from pathlib import Path
 from fastapi import HTTPException, status, UploadFile
 from typing import List, Dict, Any, Optional
 from .file_helper import FileHelper
 from ..data_services.utils import handle_service_errors
 
+logger = logging.getLogger(__name__)
+
+try:
+    from docx import Document
+    from docx.shared import Pt, Inches
+    from docx.enum.text import WD_PARAGRAPH_ALIGNMENT
+    from docx.enum.style import WD_STYLE_TYPE
+    DOCX_AVAILABLE = True
+except ImportError:
+    logger.warning("python-docx not available. DOCX export will be disabled.")
+    DOCX_AVAILABLE = False
+
 class WorkspaceFileService:
     def __init__(self):
         self.base_path = Path("../pa_data/workspaces")
@@ -341,6 +354,18 @@ def export_workspace(self, work_id: str) -> str:
                         arcname = os.path.relpath(file_path, workspace_path)
                         zip_file.write(file_path, arcname)
 
+                # 生成并添加docx文件
+                try:
+                    docx_content = self._generate_docx_from_paper(work_id)
+                    if docx_content:
+                        zip_file.writestr("paper.docx", docx_content)
+                        logger.info(f"Successfully added paper.docx to workspace {work_id} export")
+                    else:
+                        logger.info(f"No paper.md found or docx generation failed for workspace {work_id}")
+                except Exception as e:
+                    logger.error(f"Failed to generate docx for workspace {work_id}: {str(e)}")
+                    # 继续导出其他文件，不因docx生成失败而中断整个导出过程
+
                 # 如果工作空间为空，添加一个空的README文件
                 if not os.listdir(workspace_path):
                     zip_file.writestr("README.txt", "This workspace is empty.")
@@ -355,5 +380,90 @@ def export_workspace(self, work_id: str) -> str:
                 detail=f"Failed to export workspace: {str(e)}"
             )
 
+    def _generate_docx_from_paper(self, work_id: str) -> Optional[bytes]:
+        """生成paper.md对应的docx文件内容"""
+        if not DOCX_AVAILABLE:
+            logger.warning("python-docx not available, skipping docx generation")
+            return None
+
+        try:
+            workspace_path = self.ensure_workspace_exists(work_id)
+            paper_md_path = workspace_path / "paper.md"
+
+            if not paper_md_path.exists():
+                logger.info(f"paper.md not found in workspace {work_id}, skipping docx generation")
+                return None
+
+            # 读取paper.md内容
+            with open(paper_md_path, 'r', encoding='utf-8') as f:
+                markdown_content = f.read()
+
+            # 转换为docx
+            docx_content = self._convert_markdown_to_docx(markdown_content)
+            return docx_content
+
+        except Exception as e:
+            logger.error(f"Failed to generate docx for workspace {work_id}: {str(e)}")
+            return None
+
+    def _convert_markdown_to_docx(self, markdown_content: str) -> bytes:
+        """将Markdown内容转换为docx格式"""
+        try:
+            # 创建Word文档
+            doc = Document()
+
+            # 设置默认字体
+            style = doc.styles['Normal']
+            font = style.font
+            font.name = 'Times New Roman'
+            font.size = Pt(12)
+
+            # 分割Markdown内容为行
+            lines = markdown_content.split('\n')
+
+            i = 0
+            while i < len(lines):
+                line = lines[i].strip()
+
+                # 处理标题
+                if line.startswith('# '):
+                    heading = doc.add_heading(line[2:], level=1)
+                    heading.alignment = WD_PARAGRAPH_ALIGNMENT.CENTER
+                elif line.startswith('## '):
+                    heading = doc.add_heading(line[3:], level=2)
+                elif line.startswith('### '):
+                    heading = doc.add_heading(line[4:], level=3)
+                elif line.startswith('#### '):
+                    heading = doc.add_heading(line[5:], level=4)
+                elif line.startswith('##### '):
+                    heading = doc.add_heading(line[6:], level=5)
+                # 处理空行
+                elif line == '':
+                    doc.add_paragraph()
+                # 处理普通段落
+                else:
+                    # 简单的Markdown格式处理
+                    processed_line = self._process_markdown_line(line)
+                    paragraph = doc.add_paragraph(processed_line)
+
+                i += 1
+
+            # 保存到内存中的字节流
+            from io import BytesIO
+            doc_stream = BytesIO()
+            doc.save(doc_stream)
+            return doc_stream.getvalue()
+
+        except Exception as e:
+            logger.error(f"Failed to convert markdown to docx: {str(e)}")
+            raise
+
+    def _process_markdown_line(self, line: str) -> str:
+        """处理单行Markdown格式，转换为纯文本"""
+        # 简单处理，去除一些常见的Markdown标记
+        line = line.replace('**', '').replace('*', '').replace('`', '')
+        line = line.replace('[', '').replace(']', '').replace('(', '').replace(')', '')
+        return line
+
 # 创建全局实例
 workspace_file_service = WorkspaceFileService()
\ No newline at end of file
diff --git a/frontend/vite.config.ts b/frontend/vite.config.ts
index 4217010..70cc3f6 100644
--- a/frontend/vite.config.ts
+++ b/frontend/vite.config.ts
@@ -15,4 +15,9 @@ export default defineConfig({
       '@': fileURLToPath(new URL('./src', import.meta.url))
     },
   },
+  server: {
+    host: '0.0.0.0', // 允许局域网访问
+    port: 5173,       // 明确指定端口
+    strictPort: true, // 如果端口被占用则失败而不是尝试下一个端口
+  },
 })