diff --git a/fastapi_server.py b/fastapi_server.py
index 65e6063..de3ea32 100644
--- a/fastapi_server.py
+++ b/fastapi_server.py
@@ -62,11 +62,11 @@ app = FastAPI(
     
      主要特性
     
-    - 🚀 高性能: 基于FastAPI，支持异步处理
-    - 📊 分页支持: 解决大量API节点的内存问题
-    - 📝 自动文档: 自动生成交互式API文档
-    - 🔧 灵活配置: 支持多种测试配置选项
-    - 📈 详细报告: 生成PDF和JSON格式的测试报告
+    🚀 高性能: 基于FastAPI，支持异步处理
+    📊 分页支持: 解决大量API节点的内存问题
+    📝 自动文档: 自动生成交互式API文档
+    🔧 灵活配置: 支持多种测试配置选项
+    📈 详细报告: 生成PDF和JSON格式的测试报告
     """,
     version="1.0.0",
     docs_url="/docs",  # Swagger UI
@@ -275,12 +275,17 @@ def run_tests_logic(config: dict):
 
             # Save API call details
             api_calls_filename = "api_call_details.md"
-            save_api_call_details_to_markdown(
+            save_api_call_details_to_file(
                 orchestrator.get_api_call_details(),
                 str(output_directory),
                 filename=api_calls_filename
             )
 
+            # Generate PDF report if reportlab is available
+            if reportlab_available and config.get('generate_pdf', True):
+                pdf_report_path = output_directory / "report_cn.pdf"
+                save_pdf_report(test_summary.to_dict(), pdf_report_path, config.get('strictness_level', 'CRITICAL'))
+
             failed_count = getattr(test_summary, 'endpoints_failed', 0) + getattr(test_summary, 'test_cases_failed', 0)
             error_count = getattr(test_summary, 'endpoints_error', 0) + getattr(test_summary, 'test_cases_error', 0)
             
@@ -307,47 +312,608 @@ def run_tests_logic(config: dict):
             "traceback": traceback.format_exc()
         }
 
-def save_api_call_details_to_markdown(api_call_details: List[APICallDetail], output_dir: str, filename: str = "api_call_details.md"):
-    """Save API call details to markdown file"""
+def save_api_call_details_to_file(api_call_details: List[APICallDetail], output_dir_path: str, filename: str = "api_call_details.md"):
+    """
+    将API调用详情列表保存到指定目录下的 Markdown 文件中。
+    同时，额外生成一个纯文本文件 (.txt)，每行包含一个 cURL 命令。
+    """
+    if not api_call_details:
+        logger.info("没有API调用详情可供保存。")
+        return
+
+    output_dir = Path(output_dir_path)
     try:
-        output_path = Path(output_dir) / filename
+        output_dir.mkdir(parents=True, exist_ok=True)
+    except OSError as e:
+        logger.error(f"创建API调用详情输出目录 {output_dir} 失败: {e}")
+        return
 
-        with open(output_path, 'w', encoding='utf-8') as f:
-            f.write("# API调用详情\n\n")
+    # 主文件是 Markdown 文件
+    md_output_file = output_dir / filename 
+    # 确保它是 .md，尽管 main 函数应该已经处理了
+    if md_output_file.suffix.lower() not in ['.md', '.markdown']:
+        md_output_file = md_output_file.with_suffix('.md')
 
-            for i, detail in enumerate(api_call_details, 1):
-                f.write(f" {i}. {detail.endpoint_name}\n\n")
-                f.write(f"请求URL: `{detail.request_url}`\n\n")
-                f.write(f"请求方法: `{detail.request_method}`\n\n")
+    markdown_content = []
 
-                if detail.request_headers:
-                    f.write("请求头:\n```json\n")
-                    f.write(json.dumps(detail.request_headers, indent=2, ensure_ascii=False))
-                    f.write("\n```\n\n")
+    for detail in api_call_details:
+        
+        # Request URL with params (if any)
+        url_to_display = detail.request_url
+        if detail.request_params:
+            try:
+                # Ensure urllib is available for this formatting step
+                import urllib.parse 
+                query_string = urllib.parse.urlencode(detail.request_params)
+                url_to_display = f"{detail.request_url}?{query_string}"
+            except Exception as e:
+                logger.warning(f"Error formatting URL with params for display: {e}")
+                # Fallback to just the base URL if params formatting fails
+        
+        markdown_content.append(f"## `{detail.request_method} {url_to_display}`")
+        markdown_content.append("**cURL Command:**")
+        markdown_content.append("```sh")
+        markdown_content.append(detail.curl_command)
+        markdown_content.append("```")
+        markdown_content.append("### Request Details")
+        markdown_content.append(f"- **Method:** `{detail.request_method}`")
+        markdown_content.append(f"- **Full URL:** `{url_to_display}`")
+        
+        markdown_content.append("- **Headers:**")
+        markdown_content.append("```json")
+        markdown_content.append(json.dumps(detail.request_headers, indent=2, ensure_ascii=False))
+        markdown_content.append("```")
 
-                if detail.request_body:
-                    f.write("请求体:\n```json\n")
-                    f.write(json.dumps(detail.request_body, indent=2, ensure_ascii=False))
-                    f.write("\n```\n\n")
+        if detail.request_params:
+            markdown_content.append("- **Query Parameters:**")
+            markdown_content.append("```json")
+            markdown_content.append(json.dumps(detail.request_params, indent=2, ensure_ascii=False))
+            markdown_content.append("```")
 
-                f.write(f"响应状态码: `{detail.response_status_code}`\n\n")
+        if detail.request_body is not None:
+            markdown_content.append("- **Body:**")
+            body_lang = "text"
+            formatted_body = str(detail.request_body)
+            try:
+                # Try to parse as JSON for pretty printing
+                if isinstance(detail.request_body, str):
+                    try:
+                        parsed_json = json.loads(detail.request_body)
+                        formatted_body = json.dumps(parsed_json, indent=2, ensure_ascii=False)
+                        body_lang = "json"
+                    except json.JSONDecodeError:
+                        pass # Keep as text
+                elif isinstance(detail.request_body, (dict, list)):
+                    formatted_body = json.dumps(detail.request_body, indent=2, ensure_ascii=False)
+                    body_lang = "json"
+            except Exception as e:
+                logger.warning(f"Error formatting request body for Markdown: {e}")
+            
+            markdown_content.append(f"```{body_lang}")
+            markdown_content.append(formatted_body)
+            markdown_content.append("```")
 
-                if detail.response_headers:
-                    f.write("响应头:\n```json\n")
-                    f.write(json.dumps(detail.response_headers, indent=2, ensure_ascii=False))
-                    f.write("\n```\n\n")
+        markdown_content.append("### Response Details")
+        markdown_content.append(f"- **Status Code:** `{detail.response_status_code}`")
+        markdown_content.append(f"- **Elapsed Time:** `{detail.response_elapsed_time:.4f}s`")
+        
+        markdown_content.append("- **Headers:**")
+        markdown_content.append("```json")
+        markdown_content.append(json.dumps(detail.response_headers, indent=2, ensure_ascii=False))
+        markdown_content.append("```")
 
-                if detail.response_body:
-                    f.write("响应体:\n```json\n")
-                    f.write(json.dumps(detail.response_body, indent=2, ensure_ascii=False))
-                    f.write("\n```\n\n")
+        if detail.response_body is not None:
+            markdown_content.append("- **Body:**")
+            resp_body_lang = "text"
+            formatted_resp_body = str(detail.response_body)
+            try:
+                # Try to parse as JSON for pretty printing
+                if isinstance(detail.response_body, str):
+                    try:
+                        # If it's already a string that might be JSON, try parsing and re-dumping
+                        parsed_json_resp = json.loads(detail.response_body)
+                        formatted_resp_body = json.dumps(parsed_json_resp, indent=2, ensure_ascii=False)
+                        resp_body_lang = "json"
+                    except json.JSONDecodeError:
+                         # It's a string, but not valid JSON, keep as text
+                        pass 
+                elif isinstance(detail.response_body, (dict, list)):
+                     # It's already a dict/list, dump it as JSON
+                    formatted_resp_body = json.dumps(detail.response_body, indent=2, ensure_ascii=False)
+                    resp_body_lang = "json"
+                # If it's neither string nor dict/list (e.g. int, bool from parsed json), str() is fine.
+            except Exception as e:
+                logger.warning(f"Error formatting response body for Markdown: {e}")
 
-                f.write("---\n\n")
-
-        logger.info(f"API call details saved to: {output_path}")
+            markdown_content.append(f"```{resp_body_lang}")
+            markdown_content.append(formatted_resp_body)
+            markdown_content.append("```")
+        markdown_content.append("") # Add a blank line for spacing before next --- or EOF
+        markdown_content.append("---") # Separator
 
+    try:
+        with open(md_output_file, 'w', encoding='utf-8') as f_md:
+            f_md.write("\n".join(markdown_content))
+        logger.info(f"API调用详情已保存为 Markdown: {md_output_file}")
     except Exception as e:
-        logger.error(f"Error saving API call details: {e}")
+        logger.error(f"保存API调用详情到 Markdown 文件 {md_output_file} 失败: {e}", exc_info=True)
+
+def save_pdf_report(summary_data, output_path: Path, strictness_level: str = 'CRITICAL'):
+    """将测试摘要保存为格式化的PDF文件"""
+    logger.info(f"开始生成PDF报告: {output_path}")
+    output_path.parent.mkdir(parents=True, exist_ok=True)
+
+    try:
+        # --- 统一的字体管理和注册 ---
+        font_name = 'SimSun'  # 使用一个简单清晰的注册名
+        font_path = 'assets/fonts/STHeiti-Medium-4.ttc'
+
+        if not Path(font_path).exists():
+            logger.error(f"字体文件未找到: {Path(font_path).resolve()}")
+            return
+
+        # 关键修复: 对于 .ttc (TrueType Collection) 文件, 必须指定 subfontIndex
+        pdfmetrics.registerFont(TTFont(font_name, font_path, subfontIndex=0))
+        # 将注册的字体关联到 'SimSun' 字体族
+        pdfmetrics.registerFontFamily(font_name, normal=font_name, bold=font_name, italic=font_name, boldItalic=font_name)
+
+        doc = SimpleDocTemplate(str(output_path), pagesize=A4, title="API测试报告")
+        elements = []
+
+        # --- 统一样式定义, 全部使用注册的字体名 ---
+        styles = getSampleStyleSheet()
+        title_style = ParagraphStyle('ChineseTitle', parent=styles['Title'], fontName=font_name, fontSize=22, leading=28)
+        heading_style = ParagraphStyle('ChineseHeading', parent=styles['Heading1'], fontName=font_name, fontSize=16, leading=20, spaceAfter=8)
+        normal_style = ParagraphStyle('ChineseNormal', parent=styles['Normal'], fontName=font_name, fontSize=10, leading=14)
+        small_style = ParagraphStyle('ChineseSmall', parent=styles['Normal'], fontName=font_name, fontSize=9, leading=12)
+
+        def to_para(text, style=normal_style, escape=True):
+            """
+            根据用户建议移除 textwrap 以进行诊断。
+            此版本只包含净化和基本的换行符替换。
+            """
+            if text is None:
+                content = ""
+            else:
+                content = str(text)
+
+            if escape:
+                content = html.escape(content)
+            
+            # 依然保留Unicode控制字符的净化
+            content = "".join(ch for ch in content if unicodedata.category(ch)[0] != 'C')
+
+            if not content.strip():
+                # 对于完全空白或None的输入，返回一个安全的非换行空格
+                return Paragraph(' ', style)
+
+            # 只使用基本的换行符替换
+            content = content.replace('\n', '<br/>')
+            
+            return Paragraph(content, style)
+
+        # 3. 填充PDF内容 - 优化后的报告格式
+
+        # 生成报告编码（基于时间戳）
+        import time
+        report_code = f"DMS-TEST-{int(time.time())}"
+
+        # 报告标题
+        elements.append(to_para("数据管理服务测试分析报告", title_style, escape=False))
+        elements.append(Spacer(1, 15))
+
+        # 报告基本信息表格
+        basic_info_data = [
+            [to_para("<b>报告编码</b>", escape=False), to_para(report_code)],
+            [to_para("<b>报告名称</b>", escape=False), to_para("DMS领域数据服务测试分析报告")],
+            [to_para("<b>申请日期</b>", escape=False), to_para(datetime.datetime.now().strftime('%Y年%m月%d日'))],
+            [to_para("<b>申请人</b>", escape=False), to_para("系统管理员")],
+            [to_para("<b>服务供应商名称</b>", escape=False), to_para("数据管理系统(DMS)")],
+        ]
+        basic_info_table = Table(basic_info_data, colWidths=[120, '*'])
+        basic_info_table.setStyle(TableStyle([
+            ('GRID', (0,0), (-1,-1), 1, colors.grey),
+            ('VALIGN', (0,0), (-1,-1), 'MIDDLE'),
+            ('BACKGROUND', (0,0), (0,-1), colors.lightgrey)
+        ]))
+        elements.append(basic_info_table)
+        elements.append(Spacer(1, 20))
+
+        # 摘要部分
+        elements.append(to_para("摘要", heading_style, escape=False))
+        overall = summary_data.get('overall_summary', {})
+
+        # 从JSON提取并格式化时间
+        try:
+            start_time_str = summary_data.get('start_time', 'N/A')
+            end_time_str = summary_data.get('end_time', 'N/A')
+            duration = summary_data.get('duration_seconds', summary_data.get('duration', 0.0))
+
+            start_time_formatted = datetime.datetime.fromisoformat(start_time_str).strftime('%Y-%m-%d %H:%M:%S') if start_time_str != 'N/A' else 'N/A'
+            end_time_formatted = datetime.datetime.fromisoformat(end_time_str).strftime('%Y-%m-%d %H:%M:%S') if end_time_str != 'N/A' else 'N/A'
+        except:
+            start_time_formatted = start_time_str
+            end_time_formatted = end_time_str
+
+        # 摘要内容 - 安全计算跳过的数量
+        def safe_subtract(total, passed, failed):
+            """安全地计算跳过的数量"""
+            try:
+                if isinstance(total, (int, float)) and isinstance(passed, (int, float)) and isinstance(failed, (int, float)):
+                    return max(0, total - passed - failed)
+                else:
+                    return 0
+            except:
+                return 0
+
+        endpoints_tested = overall.get('endpoints_tested', 0)
+        endpoints_passed = overall.get('endpoints_passed', 0)
+        endpoints_failed = overall.get('endpoints_failed', 0)
+        endpoints_skipped = safe_subtract(endpoints_tested, endpoints_passed, endpoints_failed)
+
+        test_cases_executed = overall.get('total_test_cases_executed', 0)
+        test_cases_passed = overall.get('test_cases_passed', 0)
+        test_cases_failed = overall.get('test_cases_failed', 0)
+        test_cases_skipped = safe_subtract(test_cases_executed, test_cases_passed, test_cases_failed)
+
+        stages_executed = overall.get('total_stages_executed', 0)
+        stages_passed = overall.get('stages_passed', 0)
+        stages_failed = overall.get('stages_failed', 0)
+        stages_skipped = safe_subtract(stages_executed, stages_passed, stages_failed)
+
+        summary_text = f"""本次测试针对DMS（数据管理系统）领域数据服务进行全面的合规性验证。
+测试时间：{start_time_formatted} 至 {end_time_formatted}，总耗时 {float(duration):.2f} 秒。
+共测试 {endpoints_tested} 个API端点，其中 {endpoints_passed} 个通过，{endpoints_failed} 个失败，{endpoints_skipped} 个跳过，端点成功率为 {overall.get('endpoint_success_rate', 'N/A')}。
+执行 {test_cases_executed} 个测试用例，其中 {test_cases_passed} 个通过，{test_cases_failed} 个失败，{test_cases_skipped} 个跳过，测试用例成功率为 {overall.get('test_case_success_rate', 'N/A')}。
+执行 {stages_executed} 个流程测试，其中 {stages_passed} 个通过，{stages_failed} 个失败，{stages_skipped} 个跳过，流程测试成功率为 {overall.get('stage_success_rate', 'N/A')}。"""
+
+        elements.append(to_para(summary_text, normal_style))
+        elements.append(Spacer(1, 20))
+
+        # 测试内容包括 - API列表表格
+        elements.append(to_para("测试内容包括", heading_style, escape=False))
+
+        # 从测试结果中提取API信息
+        endpoint_results = summary_data.get('endpoint_results', [])
+        api_list_data = [
+            [to_para("<b>序号</b>", escape=False), to_para("<b>服务名称</b>", escape=False),
+             to_para("<b>服务功能描述</b>", escape=False), to_para("<b>服务参数描述</b>", escape=False),
+             to_para("<b>服务返回值描述</b>", escape=False)]
+        ]
+
+        for i, endpoint in enumerate(endpoint_results[:10], 1):  # 限制显示前10个API
+            endpoint_name = endpoint.get('endpoint_name', 'N/A')
+
+            # 简化的功能描述
+            if 'Create' in endpoint_name:
+                func_desc = "提供数据创建服务"
+            elif 'List' in endpoint_name or 'Query' in endpoint_name:
+                func_desc = "提供数据查询和列表服务"
+            elif 'Read' in endpoint_name:
+                func_desc = "提供单条数据读取服务"
+            elif 'Update' in endpoint_name:
+                func_desc = "提供数据更新服务"
+            elif 'Delete' in endpoint_name:
+                func_desc = "提供数据删除服务"
+            else:
+                func_desc = "提供数据管理服务"
+
+            api_list_data.append([
+                to_para(str(i), small_style),
+                to_para(endpoint_name, small_style),
+                to_para(func_desc, small_style),
+                to_para("标准DMS参数格式", small_style),
+                to_para("标准DMS响应格式", small_style)
+            ])
+
+        api_list_table = Table(api_list_data, colWidths=[30, 80, 120, 80, 80])
+        api_list_table.setStyle(TableStyle([
+            ('GRID', (0,0), (-1,-1), 1, colors.grey),
+            ('BACKGROUND', (0,0), (-1,0), colors.lightgrey),
+            ('ALIGN', (0,0), (-1,-1), 'CENTER'),
+            ('VALIGN', (0,0), (-1,-1), 'MIDDLE'),
+            ('FONTSIZE', (0,0), (-1,-1), 8)
+        ]))
+        elements.append(api_list_table)
+        elements.append(Spacer(1, 20))
+        
+        # 测试用例列表 - 根据严格等级分为必须和非必须
+        elements.append(to_para("测试用例列表", heading_style, escape=False))
+
+        # 定义严重性等级的数值映射
+        severity_levels = {
+            'CRITICAL': 5,
+            'HIGH': 4,
+            'MEDIUM': 3,
+            'LOW': 2,
+            'INFO': 1
+        }
+
+        strictness_value = severity_levels.get(strictness_level, 5)  # 默认为CRITICAL
+
+        # 收集所有测试用例（包括endpoint用例和stage用例）
+        all_test_cases = []
+        failed_test_cases = []  # 专门收集失败的测试用例
+
+        # 1. 收集endpoint测试用例
+        for endpoint_result in endpoint_results:
+            test_cases = endpoint_result.get('executed_test_cases', [])
+            for tc in test_cases:
+                tc_severity = tc.get('test_case_severity', 'MEDIUM')
+                tc_severity_value = severity_levels.get(tc_severity, 3)
+                tc_status = tc.get('status', 'N/A')
+                tc_message = tc.get('message', '')
+
+                test_case_info = {
+                    'type': 'Endpoint',
+                    'endpoint': endpoint_result.get('endpoint_name', 'N/A'),
+                    'endpoint_id': endpoint_result.get('endpoint_id', 'N/A'),
+                    'case_name': tc.get('test_case_name', 'N/A'),
+                    'case_id': tc.get('test_case_id', 'N/A'),
+                    'status': tc_status,
+                    'message': tc_message,
+                    'severity': tc_severity,
+                    'severity_value': tc_severity_value,
+                    'is_required': tc_severity_value >= strictness_value,
+                    'duration': tc.get('duration_seconds', 0),
+                    'timestamp': tc.get('timestamp', '')
+                }
+
+                all_test_cases.append(test_case_info)
+
+                # 收集失败的测试用例
+                if tc_status in ['失败', 'FAILED', '错误', 'ERROR']:
+                    failed_test_cases.append(test_case_info)
+
+        # 2. 收集stage测试用例
+        stage_results = summary_data.get('stage_results', [])
+        for stage_result in stage_results:
+            stage_name = stage_result.get('stage_name', 'N/A')
+            stage_status = stage_result.get('overall_status', 'N/A')
+            stage_message = stage_result.get('message', stage_result.get('error_message', ''))
+            stage_severity = 'HIGH'  # Stage用例通常是高优先级
+            stage_severity_value = severity_levels.get(stage_severity, 4)
+
+            # 将stage作为一个测试用例添加
+            stage_case_info = {
+                'type': 'Stage',
+                'endpoint': f"Stage: {stage_name}",
+                'endpoint_id': f"STAGE_{stage_name}",
+                'case_name': stage_result.get('description', stage_name),
+                'case_id': f"STAGE_{stage_name}",
+                'status': stage_status,
+                'message': stage_message,
+                'severity': stage_severity,
+                'severity_value': stage_severity_value,
+                'is_required': stage_severity_value >= strictness_value,
+                'duration': stage_result.get('duration_seconds', 0),
+                'timestamp': stage_result.get('start_time', '')
+            }
+
+            all_test_cases.append(stage_case_info)
+
+            # 收集失败的stage用例
+            if stage_status in ['失败', 'FAILED', '错误', 'ERROR']:
+                failed_test_cases.append(stage_case_info)
+
+        # 分离必须和非必须的测试用例
+        required_cases = [case for case in all_test_cases if case['is_required']]
+        optional_cases = [case for case in all_test_cases if not case['is_required']]
+
+        # 创建分离的测试用例表格
+        if all_test_cases:
+            # 添加严格等级说明
+            strictness_text = f"当前严格等级：{strictness_level}。根据此等级，测试用例被分为必须执行和非必须执行两部分。"
+            elements.append(to_para(strictness_text, small_style))
+            elements.append(Spacer(1, 10))
+
+            # 1. 必须的测试用例表格
+            if required_cases:
+                elements.append(to_para("必须的测试用例（影响测试结果）", heading_style, escape=False))
+
+                required_table_data = [
+                    [to_para("<b>序号</b>", escape=False), to_para("<b>类型</b>", escape=False),
+                     to_para("<b>测试用例名称</b>", escape=False), to_para("<b>所属端点/阶段</b>", escape=False),
+                     to_para("<b>优先级</b>", escape=False), to_para("<b>执行结果</b>", escape=False)]
+                ]
+
+                for i, case in enumerate(required_cases, 1):
+                    status_display = "通过" if case['status'] == "通过" else "失败" if case['status'] == "失败" else case['status']
+                    required_table_data.append([
+                        to_para(str(i), small_style),
+                        to_para(case['type'], small_style),
+                        to_para(case['case_name'], small_style),
+                        to_para(case['endpoint'], small_style),
+                        to_para(case['severity'], small_style),
+                        to_para(status_display, small_style)
+                    ])
+
+                required_table = Table(required_table_data, colWidths=[25, 35, 110, 90, 45, 45])
+                required_table.setStyle(TableStyle([
+                    ('GRID', (0,0), (-1,-1), 1, colors.grey),
+                    ('BACKGROUND', (0,0), (-1,0), colors.lightblue),  # 使用浅蓝色突出必须用例
+                    ('ALIGN', (0,0), (-1,-1), 'CENTER'),
+                    ('VALIGN', (0,0), (-1,-1), 'MIDDLE'),
+                    ('FONTSIZE', (0,0), (-1,-1), 8)
+                ]))
+                elements.append(required_table)
+                elements.append(Spacer(1, 15))
+
+            # 2. 非必须的测试用例表格
+            if optional_cases:
+                elements.append(to_para("非必须的测试用例（不影响测试结果）", heading_style, escape=False))
+
+                optional_table_data = [
+                    [to_para("<b>序号</b>", escape=False), to_para("<b>类型</b>", escape=False),
+                     to_para("<b>测试用例名称</b>", escape=False), to_para("<b>所属端点/阶段</b>", escape=False),
+                     to_para("<b>优先级</b>", escape=False), to_para("<b>执行结果</b>", escape=False)]
+                ]
+
+                for i, case in enumerate(optional_cases, 1):
+                    status_display = "通过" if case['status'] == "通过" else "失败" if case['status'] == "失败" else case['status']
+                    optional_table_data.append([
+                        to_para(str(i), small_style),
+                        to_para(case['type'], small_style),
+                        to_para(case['case_name'], small_style),
+                        to_para(case['endpoint'], small_style),
+                        to_para(case['severity'], small_style),
+                        to_para(status_display, small_style)
+                    ])
+
+                optional_table = Table(optional_table_data, colWidths=[25, 35, 110, 90, 45, 45])
+                optional_table.setStyle(TableStyle([
+                    ('GRID', (0,0), (-1,-1), 1, colors.grey),
+                    ('BACKGROUND', (0,0), (-1,0), colors.lightgrey),  # 使用浅灰色表示非必须用例
+                    ('ALIGN', (0,0), (-1,-1), 'CENTER'),
+                    ('VALIGN', (0,0), (-1,-1), 'MIDDLE'),
+                    ('FONTSIZE', (0,0), (-1,-1), 8)
+                ]))
+                elements.append(optional_table)
+                elements.append(Spacer(1, 10))
+
+            # 添加用例统计信息
+            total_cases = len(all_test_cases)
+            endpoint_cases = len([c for c in all_test_cases if c['type'] == 'Endpoint'])
+            stage_cases = len([c for c in all_test_cases if c['type'] == 'Stage'])
+            required_count = len(required_cases)
+            optional_count = len(optional_cases)
+
+            stats_text = f"""测试用例统计：
+总计 {total_cases} 个用例，其中端点用例 {endpoint_cases} 个，阶段用例 {stage_cases} 个。
+必须用例 {required_count} 个，非必须用例 {optional_count} 个。
+严格等级：{strictness_level}（{severity_levels.get(strictness_level, 5)}级及以上为必须）。"""
+
+            elements.append(to_para(stats_text, small_style))
+        else:
+            elements.append(to_para("无测试用例执行记录。", normal_style))
+
+        elements.append(Spacer(1, 20))
+
+        # 失败用例详情部分
+        if failed_test_cases:
+            elements.append(to_para("失败用例详情分析", heading_style, escape=False))
+            elements.append(Spacer(1, 10))
+
+            # 按严重性分组失败用例
+            critical_failures = [tc for tc in failed_test_cases if tc['severity'] == 'CRITICAL']
+            high_failures = [tc for tc in failed_test_cases if tc['severity'] == 'HIGH']
+            medium_failures = [tc for tc in failed_test_cases if tc['severity'] == 'MEDIUM']
+            low_failures = [tc for tc in failed_test_cases if tc['severity'] == 'LOW']
+
+            failure_summary = f"""失败用例统计：
+总计 {len(failed_test_cases)} 个失败用例，其中：
+• 严重级别：{len(critical_failures)} 个
+• 高级别：{len(high_failures)} 个
+• 中级别：{len(medium_failures)} 个
+• 低级别：{len(low_failures)} 个
+
+以下是详细的失败原因分析："""
+
+            elements.append(to_para(failure_summary, normal_style))
+            elements.append(Spacer(1, 15))
+
+            # 详细失败用例列表
+            for i, failed_case in enumerate(failed_test_cases, 1):
+                # 用例标题
+                case_title = f"{i}. {failed_case['case_name']}"
+                elements.append(to_para(case_title, ParagraphStyle('case_title', parent=normal_style, fontSize=11, textColor=colors.darkred, spaceAfter=5)))
+
+                # 用例基本信息
+                case_info = f"""• 用例ID：{failed_case['case_id']}
+• 所属端点：{failed_case['endpoint']}
+• 严重级别：{failed_case['severity']}
+• 执行状态：{failed_case['status']}"""
+
+                elements.append(to_para(case_info, ParagraphStyle('case_info', parent=small_style, leftIndent=15, spaceAfter=5)))
+
+                # 失败原因
+                failure_reason = failed_case.get('message', '无详细错误信息')
+                if failure_reason:
+                    elements.append(to_para("失败原因：", ParagraphStyle('failure_label', parent=normal_style, fontSize=10, textColor=colors.darkblue, leftIndent=15)))
+
+                    # 处理长文本，确保在PDF中正确显示
+                    if len(failure_reason) > 200:
+                        # 对于很长的错误信息，进行适当的分段
+                        failure_reason = failure_reason[:200] + "..."
+
+                    elements.append(to_para(failure_reason, ParagraphStyle('failure_reason', parent=small_style, leftIndent=30, rightIndent=20, spaceAfter=10, textColor=colors.red)))
+
+                # 添加分隔线
+                if i < len(failed_test_cases):
+                    elements.append(HRFlowable(width="80%", thickness=0.5, color=colors.lightgrey))
+                    elements.append(Spacer(1, 10))
+
+            elements.append(Spacer(1, 20))
+
+        elements.append(Spacer(1, 20))
+
+        # 测试情况说明
+        elements.append(to_para("测试情况说明", heading_style, escape=False))
+
+        test_situation_text = f"""本次测试是对DMS领域数据管理服务V1.0版本下的{overall.get('endpoints_tested', 'N/A')}个API进行验证测试。
+测试：累计发现缺陷{overall.get('test_cases_failed', 0)}个。
+测试执行时间：{start_time_formatted} 至 {end_time_formatted}
+测试环境：开发测试环境
+测试方法：自动化API合规性测试"""
+
+        elements.append(to_para(test_situation_text, normal_style))
+        elements.append(Spacer(1, 20))
+        
+        # 测试结论
+        elements.append(to_para("测试结论", heading_style, escape=False))
+
+        # 根据测试结果生成结论
+        success_rate = overall.get('test_case_success_rate', '0%')
+        success_rate_num = float(success_rate.replace('%', '')) if success_rate != 'N/A' else 0
+
+        if success_rate_num >= 90:
+            conclusion_status = "通过"
+            conclusion_text = f"""本套领域数据服务已通过环境验证，系统可以正常运行。验收测试通过标准关于用例执行、DMS业务流相关文档等两个方面分析，该项目通过验收测试。
+测试用例成功率达到{success_rate}，符合验收标准。"""
+        elif success_rate_num >= 70:
+            conclusion_status = "基本通过"
+            conclusion_text = f"""本套领域数据服务基本满足验收要求，但存在部分问题需要修复。测试用例成功率为{success_rate}，建议修复失败用例后重新测试。"""
+        else:
+            conclusion_status = "不通过"
+            conclusion_text = f"""本套领域数据服务未达到验收标准，存在较多问题需要修复。测试用例成功率仅为{success_rate}，需要全面检查和修复后重新测试。"""
+
+        elements.append(to_para(conclusion_text, normal_style))
+        elements.append(Spacer(1, 20))
+
+        # 检测依据
+        elements.append(to_para("检测依据", heading_style, escape=False))
+
+        detection_basis_text = """集成开发应用支撑系统开放数据生态数据共享要求和评价第1部分：关于DMS领域数据服务的接口要求和测试细则。
+参考标准：
+1. DMS数据管理系统API规范V1.0
+2. RESTful API设计规范
+3. 数据安全和隐私保护要求
+4. 系统集成测试标准"""
+
+        elements.append(to_para(detection_basis_text, normal_style))
+        elements.append(Spacer(1, 20))
+
+        # 报告生成信息
+        elements.append(to_para("报告生成信息", heading_style, escape=False))
+        generation_info_data = [
+            [to_para("<b>生成时间</b>", escape=False), to_para(datetime.datetime.now().strftime('%Y年%m月%d日 %H:%M:%S'))],
+            [to_para("<b>生成工具</b>", escape=False), to_para("DMS合规性测试工具")],
+            [to_para("<b>工具版本</b>", escape=False), to_para("V1.0.0")],
+            [to_para("<b>测试结论</b>", escape=False), to_para(f"<b>{conclusion_status}</b>", escape=False)],
+        ]
+        generation_info_table = Table(generation_info_data, colWidths=[120, '*'])
+        generation_info_table.setStyle(TableStyle([
+            ('GRID', (0,0), (-1,-1), 1, colors.grey),
+            ('VALIGN', (0,0), (-1,-1), 'MIDDLE'),
+            ('BACKGROUND', (0,0), (0,-1), colors.lightgrey)
+        ]))
+        elements.append(generation_info_table)
+
+        # 构建PDF
+        doc.build(elements)
+        logger.info(f"PDF报告已成功生成: {output_path}")
+    except Exception as e:
+        logger.error(f"构建PDF文档时出错: {e}", exc_info=True)
 
 @app.post("/run",
           summary="执行API合规性测试",