diff --git a/fastAPI_tarot.py b/fastAPI_tarot.py
index 9bfb740..bb08eea 100644
--- a/fastAPI_tarot.py
+++ b/fastAPI_tarot.py
@@ -23,6 +23,7 @@ from PIL import Image
 from sam3.model_builder import build_sam3_image_model
 from sam3.model.sam3_image_processor import Sam3Processor
 from sam3.visualization_utils import plot_results
+import human_analysis_service  # 引入新服务
 
 # ------------------- 配置与路径 -------------------
 STATIC_DIR = "static"
@@ -92,7 +93,7 @@ async def lifespan(app: FastAPI):
 app = FastAPI(
     lifespan=lifespan, 
     title="SAM3 Segmentation API",
-    description="## 🔒 受 API Key 保护\n请点击右上角 **Authorize** 并输入: `123quant-speed`",
+    description="## 🔒 受 API Key 保护\n请点击右上角 **Authorize** 并输入: `123quant-*****`",
 )
 
 # 手动添加 OpenAPI 安全配置，让 Docs 里的锁头生效
@@ -177,7 +178,7 @@ def load_image_from_url(url: str) -> Image.Image:
     except Exception as e:
         raise HTTPException(status_code=400, detail=f"无法下载图片: {str(e)}")
 
-def crop_and_save_objects(image: Image.Image, masks, boxes, output_dir: str = RESULT_IMAGE_DIR) -> list[dict]:
+def crop_and_save_objects(image: Image.Image, masks, boxes, output_dir: str = RESULT_IMAGE_DIR, is_tarot: bool = True) -> list[dict]:
     """
     根据 mask 和 box 进行透视矫正并裁剪出独立的对象图片 (保留透明背景)
     返回包含文件名和元数据的列表
@@ -237,7 +238,7 @@ def crop_and_save_objects(image: Image.Image, masks, boxes, output_dir: str = RE
         is_rotated = False
         
         # Enforce Portrait for Tarot cards (Standard 7x12 cm ratio approx)
-        if w > h:
+        if is_tarot and w > h:
             # Rotate 90 degrees clockwise
             warped = cv2.rotate(warped, cv2.ROTATE_90_CLOCKWISE)
             is_rotated = True
@@ -246,7 +247,8 @@ def crop_and_save_objects(image: Image.Image, masks, boxes, output_dir: str = RE
         pil_warped = Image.fromarray(warped)
         
         # Save
-        filename = f"tarot_{uuid.uuid4().hex}_{i}.png" 
+        prefix = "tarot" if is_tarot else "segment"
+        filename = f"{prefix}_{uuid.uuid4().hex}_{i}.png" 
         save_path = os.path.join(output_dir, filename)
         pil_warped.save(save_path)
         
@@ -272,23 +274,73 @@ def generate_and_save_result(image: Image.Image, inference_state, output_dir: st
 
 def recognize_card_with_qwen(image_path: str) -> dict:
     """
-    调用 Qwen-VL 识别塔罗牌
+    调用 Qwen-VL 识别塔罗牌 (采用正逆位对比策略)
     """
     try:
-        # 确保路径是绝对路径并加上 file:// 前缀
+        # 确保路径是绝对路径
         abs_path = os.path.abspath(image_path)
         file_url = f"file://{abs_path}"
         
-        messages = [
-            {
-                "role": "user",
-                "content": [
-                    {"image": file_url},
-                    {"text": "这是一张塔罗牌。请识别它的名字（中文），并判断它是正位还是逆位。请以JSON格式返回，包含 'name' 和 'position' 两个字段。例如：{'name': '愚者', 'position': '正位'}。不要包含Markdown代码块标记。"}
-                ]
-            }
-        ]
+        # -------------------------------------------------
+        # 优化策略：生成一张旋转180度的对比图
+        # 让 AI 做选择题而不是判断题，大幅提高准确率
+        # -------------------------------------------------
+        try:
+            # 1. 打开原图
+            img = Image.open(abs_path)
+            
+            # 2. 生成旋转图 (180度)
+            rotated_img = img.rotate(180)
+            
+            # 3. 保存旋转图
+            dir_name = os.path.dirname(abs_path)
+            file_name = os.path.basename(abs_path)
+            rotated_name = f"rotated_{file_name}"
+            rotated_path = os.path.join(dir_name, rotated_name)
+            rotated_img.save(rotated_path)
+            
+            rotated_file_url = f"file://{rotated_path}"
+            
+            # 4. 构建对比 Prompt
+            # 发送两张图：图1=原图, 图2=旋转图
+            # 询问 AI 哪一张是“正位”
+            messages = [
+                {
+                    "role": "user",
+                    "content": [
+                        {"image": file_url},        # 图1 (原图)
+                        {"image": rotated_file_url}, # 图2 (旋转180度)
+                        {"text": """这是一张塔罗牌的两个方向：
+图1：原始方向
+图2：旋转180度后的方向
+
+请仔细对比两张图片的牌面内容（文字方向、人物站立方向、图案逻辑）：
+1. 识别这张牌的名字（中文）。
+2. 判断哪一张图片展示了正确的“正位”（Upright）状态。
+   - 如果图1是正位，说明原图就是正位。
+   - 如果图2是正位，说明原图是逆位。
+
+请以JSON格式返回，包含 'name' 和 'position' 两个字段。
+例如：{'name': '愚者', 'position': '正位'} 或 {'name': '倒吊人', 'position': '逆位'}。
+不要包含Markdown代码块标记。"""}
+                    ]
+                }
+            ]
+            
+        except Exception as e:
+            print(f"对比图生成失败，回退到单图模式: {e}")
+            # 回退到旧的单图模式
+            messages = [
+                {
+                    "role": "user",
+                    "content": [
+                        {"image": file_url},
+                        {"text": "这是一张塔罗牌。请识别它的名字（中文），并判断它是正位还是逆位。请以JSON格式返回，包含 'name' 和 'position' 两个字段。例如：{'name': '愚者', 'position': '正位'}。不要包含Markdown代码块标记。"}
+                    ]
+                }
+            ]
         
+        # 调用模型
         response = MultiModalConversation.call(model=QWEN_MODEL, messages=messages)
         
         if response.status_code == 200:
@@ -352,7 +404,8 @@ async def segment(
     request: Request,
     prompt: str = Form(...),
     file: Optional[UploadFile] = File(None),
-    image_url: Optional[str] = Form(None)
+    image_url: Optional[str] = Form(None),
+    save_segment_images: bool = Form(False)
 ):
     if not file and not image_url:
         raise HTTPException(status_code=400, detail="必须提供 file (图片文件) 或 image_url (图片链接)")
@@ -380,13 +433,43 @@ async def segment(
         raise HTTPException(status_code=500, detail=f"绘图保存错误: {str(e)}")
 
     file_url = request.url_for("static", path=f"results/{filename}")
+    
+    # New logic for saving segments
+    saved_segments_info = []
+    if save_segment_images:
+        try:
+            request_id = f"{int(time.time())}_{uuid.uuid4().hex[:8]}"
+            output_dir = os.path.join(RESULT_IMAGE_DIR, request_id)
+            os.makedirs(output_dir, exist_ok=True)
+            
+            saved_objects = crop_and_save_objects(image, masks, boxes, output_dir=output_dir, is_tarot=False)
+            
+            for obj in saved_objects:
+                fname = obj["filename"]
+                seg_url = str(request.url_for("static", path=f"results/{request_id}/{fname}"))
+                saved_segments_info.append({
+                    "url": seg_url,
+                    "filename": fname
+                })
+        except Exception as e:
+             # Log error but don't fail the whole request if segmentation saving fails?
+             # Or fail it? Let's fail it to be safe or include error in response.
+             # Given simple requirement, I'll let it fail or just print.
+             print(f"Error saving segments: {e}")
+             # We can optionally raise HTTPException here too.
+             raise HTTPException(status_code=500, detail=f"保存分割图片失败: {str(e)}")
 
-    return JSONResponse(content={
+    response_content = {
         "status": "success",
         "result_image_url": str(file_url),
         "detected_count": len(masks),
         "scores": scores.tolist() if torch.is_tensor(scores) else scores
-    })
+    }
+    
+    if save_segment_images:
+         response_content["segmented_images"] = saved_segments_info
+
+    return JSONResponse(content=response_content)
 
 @app.post("/segment_tarot", dependencies=[Depends(verify_api_key)])
 async def segment_tarot(
@@ -592,6 +675,64 @@ async def recognize_tarot(
         "scores": scores.tolist() if torch.is_tensor(scores) else scores
     })
 
+@app.post("/segment_face", dependencies=[Depends(verify_api_key)])
+async def segment_face(
+    request: Request,
+    file: Optional[UploadFile] = File(None),
+    image_url: Optional[str] = Form(None),
+    prompt: str = Form("face and hair")  # 默认提示词包含头发
+):
+    """
+    人脸/头部检测与属性分析接口 (新功能)
+    1. 调用 SAM3 分割出头部区域 (含头发)
+    2. 裁剪并保存
+    3. 调用 Qwen-VL 识别性别和年龄
+    """
+    if not file and not image_url:
+        raise HTTPException(status_code=400, detail="必须提供 file (图片文件) 或 image_url (图片链接)")
+
+    # 1. 加载图片
+    try:
+        if file:
+            image = Image.open(file.file).convert("RGB")
+        elif image_url:
+            image = load_image_from_url(image_url)
+    except Exception as e:
+        raise HTTPException(status_code=400, detail=f"图片解析失败: {str(e)}")
+
+    processor = request.app.state.processor
+
+    # 2. 调用独立服务进行处理
+    try:
+        # 传入 processor 和 image
+        # 注意：Result Image Dir 我们直接复用 RESULT_IMAGE_DIR
+        result = human_analysis_service.process_face_segmentation_and_analysis(
+            processor=processor,
+            image=image,
+            prompt=prompt,
+            output_base_dir=RESULT_IMAGE_DIR
+        )
+    except Exception as e:
+        # 打印详细错误堆栈以便调试
+        import traceback
+        traceback.print_exc()
+        raise HTTPException(status_code=500, detail=f"处理失败: {str(e)}")
+
+    # 3. 补全 URL (因为 service 层不知道 request context)
+    if result["status"] == "success":
+        # 处理全图可视化的 URL
+        if result.get("full_visualization"):
+            full_vis_rel_path = result["full_visualization"]
+            result["full_visualization"] = str(request.url_for("static", path=full_vis_rel_path))
+            
+        for item in result["results"]:
+            # item["relative_path"] 是相对路径，如 results/xxx/xxx.jpg
+            # 我们需要将其转换为完整 URL
+            relative_path = item.pop("relative_path") # 移除相对路径字段，只返回 URL
+            item["url"] = str(request.url_for("static", path=relative_path))
+            
+    return JSONResponse(content=result)
+
 if __name__ == "__main__":
     import uvicorn
     # 注意：如果你的文件名不是 fastAPI_tarot.py，请修改下面第一个参数
diff --git a/human_analysis_service.py b/human_analysis_service.py
new file mode 100644
index 0000000..d61e537
--- /dev/null
+++ b/human_analysis_service.py
@@ -0,0 +1,231 @@
+import os
+import uuid
+import time
+import requests
+import numpy as np
+import json
+import torch
+import cv2
+from PIL import Image
+from dashscope import MultiModalConversation
+
+# 配置 (与 fastAPI_tarot.py 保持一致或通过参数传入)
+# 这里的常量可以根据需要调整，或者从主文件传入
+QWEN_MODEL = 'qwen-vl-max'
+
+def load_image_from_url(url: str) -> Image.Image:
+    """
+    从 URL 下载图片并转换为 RGB 格式
+    """
+    try:
+        headers = {'User-Agent': 'Mozilla/5.0'}
+        response = requests.get(url, headers=headers, stream=True, timeout=10)
+        response.raise_for_status()
+        image = Image.open(response.raw).convert("RGB")
+        return image
+    except Exception as e:
+        raise Exception(f"无法下载图片: {str(e)}")
+
+def crop_head_with_padding(image: Image.Image, box, padding_ratio=0.1) -> Image.Image:
+    """
+    根据 bounding box 裁剪图片，并添加一定的 padding
+    box格式: [x1, y1, x2, y2]
+    """
+    img_w, img_h = image.size
+    x1, y1, x2, y2 = box
+    
+    w = x2 - x1
+    h = y2 - y1
+    
+    # 计算 padding
+    pad_w = w * padding_ratio
+    pad_h = h * padding_ratio
+    
+    # 应用 padding 并确保不越界
+    new_x1 = max(0, int(x1 - pad_w))
+    new_y1 = max(0, int(y1 - pad_h))
+    new_x2 = min(img_w, int(x2 + pad_w))
+    new_y2 = min(img_h, int(y2 + pad_h))
+    
+    return image.crop((new_x1, new_y1, new_x2, new_y2))
+
+def create_highlighted_visualization(image: Image.Image, masks, output_path: str):
+    """
+    创建一个突出显示头部（Mask区域）的可视化图，背景变暗
+    """
+    # Convert PIL to numpy RGB
+    img_np = np.array(image)
+    
+    # Create darkened background (e.g., 30% brightness)
+    darkened_np = (img_np * 0.3).astype(np.uint8)
+    
+    # Combine all masks
+    if len(masks) > 0:
+        combined_mask = np.zeros(img_np.shape[:2], dtype=bool)
+        for mask in masks:
+            # Handle tensor/numpy conversions
+            if isinstance(mask, torch.Tensor):
+                m = mask.cpu().numpy().squeeze()
+            else:
+                m = mask.squeeze()
+            
+            # Ensure 2D
+            if m.ndim > 2:
+                 m = m[0]
+                 
+            # Threshold if probability or float
+            if m.dtype != bool:
+                m = m > 0.5
+                
+            # Resize mask if it doesn't match image size (rare but possible with some internal resizing)
+            if m.shape != img_np.shape[:2]:
+                 # resize to match image
+                 m = cv2.resize(m.astype(np.uint8), (img_np.shape[1], img_np.shape[0]), interpolation=cv2.INTER_NEAREST).astype(bool)
+
+            combined_mask = np.logical_or(combined_mask, m)
+            
+        # Expand mask to 3 channels for broadcasting
+        mask_3ch = np.stack([combined_mask]*3, axis=-1)
+        
+        # Composite: Original where mask is True, Darkened where False
+        result_np = np.where(mask_3ch, img_np, darkened_np)
+    else:
+        result_np = darkened_np # No masks, just dark
+        
+    # Save
+    Image.fromarray(result_np).save(output_path)
+
+def analyze_demographics_with_qwen(image_path: str) -> dict:
+    """
+    调用 Qwen-VL 模型分析人物的年龄和性别
+    """
+    try:
+        # 确保路径是绝对路径
+        abs_path = os.path.abspath(image_path)
+        file_url = f"file://{abs_path}"
+        
+        # 构造 Prompt
+        messages = [
+            {
+                "role": "user",
+                "content": [
+                    {"image": file_url},
+                    {"text": """请仔细观察这张图片中的人物头部/面部特写：
+1. 识别性别 (Gender)：男性/女性
+2. 预估年龄 (Age)：请给出一个合理的年龄范围，例如 "25-30岁"
+3. 简要描述：发型、发色、是否有眼镜等显著特征。
+
+请以 JSON 格式返回，包含 'gender', 'age', 'description' 字段。
+不要包含 Markdown 标记。"""}
+                ]
+            }
+        ]
+        
+        # 调用模型
+        response = MultiModalConversation.call(model=QWEN_MODEL, messages=messages)
+        
+        if response.status_code == 200:
+            content = response.output.choices[0].message.content[0]['text']
+            # 清理 Markdown 代码块标记
+            clean_content = content.replace("```json", "").replace("```", "").strip()
+            try:
+                result = json.loads(clean_content)
+                return result
+            except json.JSONDecodeError:
+                return {"raw_analysis": clean_content}
+        else:
+            return {"error": f"API Error: {response.code} - {response.message}"}
+            
+    except Exception as e:
+        return {"error": f"分析失败: {str(e)}"}
+
+def process_face_segmentation_and_analysis(
+    processor, 
+    image: Image.Image, 
+    prompt: str = "head", 
+    output_base_dir: str = "static/results"
+) -> dict:
+    """
+    核心处理逻辑：
+    1. SAM3 分割 (默认提示词 "head" 以包含头发)
+    2. 裁剪图片
+    3. Qwen-VL 识别性别年龄
+    4. 返回结果
+    """
+    
+    # 1. SAM3 推理
+    inference_state = processor.set_image(image)
+    output = processor.set_text_prompt(state=inference_state, prompt=prompt)
+    masks, boxes, scores = output["masks"], output["boxes"], output["scores"]
+    
+    detected_count = len(masks)
+    if detected_count == 0:
+        return {
+            "status": "success",
+            "message": "未检测到目标",
+            "detected_count": 0,
+            "results": []
+        }
+        
+    # 准备结果目录
+    request_id = f"{int(time.time())}_{uuid.uuid4().hex[:8]}"
+    output_dir = os.path.join(output_base_dir, request_id)
+    os.makedirs(output_dir, exist_ok=True)
+    
+    # --- 新增：生成背景变暗的整体可视化图 ---
+    vis_filename = f"seg_{uuid.uuid4().hex}.jpg"
+    vis_path = os.path.join(output_dir, vis_filename)
+    try:
+        create_highlighted_visualization(image, masks, vis_path)
+        full_vis_relative_path = f"results/{request_id}/{vis_filename}"
+    except Exception as e:
+        print(f"可视化生成失败: {e}")
+        full_vis_relative_path = None
+    # -------------------------------------
+
+    results = []
+    
+    # 转换 boxes 为 numpy
+    if isinstance(boxes, torch.Tensor):
+        boxes_np = boxes.cpu().numpy()
+    else:
+        boxes_np = boxes
+    
+    # 转换 scores 为 list
+    if isinstance(scores, torch.Tensor):
+        scores_list = scores.tolist()
+    else:
+        scores_list = scores if isinstance(scores, list) else [float(scores)]
+
+    for i, box in enumerate(boxes_np):
+        # 2. 裁剪 (带一点 padding 以保留完整发型)
+        # 2. 裁剪 (带一点 padding 以保留完整发型)
+        cropped_img = crop_head_with_padding(image, box, padding_ratio=0.1)
+        
+        # 保存裁剪图
+        filename = f"face_{i}.jpg"
+        save_path = os.path.join(output_dir, filename)
+        cropped_img.save(save_path)
+        
+        # 3. 识别
+        analysis = analyze_demographics_with_qwen(save_path)
+        
+        # 构造返回结果
+        # 注意：URL 生成需要依赖外部的 request context，这里只返回相对路径或文件名
+        # 由调用方组装完整 URL
+        results.append({
+            "filename": filename,
+            "relative_path": f"results/{request_id}/{filename}",
+            "analysis": analysis,
+            "score": float(scores_list[i]) if i < len(scores_list) else 0.0
+        })
+        
+    return {
+        "status": "success",
+        "message": f"成功检测并分析 {detected_count} 个人脸",
+        "detected_count": detected_count,
+        "request_id": request_id,
+        "full_visualization": full_vis_relative_path, # 返回相对路径
+        "scores": scores_list, # 返回全部分数
+        "results": results
+    }
diff --git a/static/results/1771165722_cd68234d/segment_9a700ea672454cc2804f9557be357aa6_0.png b/static/results/1771165722_cd68234d/segment_9a700ea672454cc2804f9557be357aa6_0.png
new file mode 100644
index 0000000..b56d507
Binary files /dev/null and b/static/results/1771165722_cd68234d/segment_9a700ea672454cc2804f9557be357aa6_0.png differ
diff --git a/static/results/1771165793_d82b3afa/face_0.jpg b/static/results/1771165793_d82b3afa/face_0.jpg
new file mode 100644
index 0000000..44d239c
Binary files /dev/null and b/static/results/1771165793_d82b3afa/face_0.jpg differ
diff --git a/static/results/1771165793_d82b3afa/seg_cf489e48f6664b89a83fab2a577f8205.jpg b/static/results/1771165793_d82b3afa/seg_cf489e48f6664b89a83fab2a577f8205.jpg
new file mode 100644
index 0000000..42f424a
Binary files /dev/null and b/static/results/1771165793_d82b3afa/seg_cf489e48f6664b89a83fab2a577f8205.jpg differ
diff --git a/static/results/seg_487ee0634f7d4aceb8d29565ac2b8149.jpg b/static/results/seg_487ee0634f7d4aceb8d29565ac2b8149.jpg
new file mode 100644
index 0000000..d58cda7
Binary files /dev/null and b/static/results/seg_487ee0634f7d4aceb8d29565ac2b8149.jpg differ
diff --git a/static/results/seg_5ef48ba87d364a819ed281458ea2c7a0.jpg b/static/results/seg_5ef48ba87d364a819ed281458ea2c7a0.jpg
new file mode 100644
index 0000000..2a0e579
Binary files /dev/null and b/static/results/seg_5ef48ba87d364a819ed281458ea2c7a0.jpg differ
diff --git a/static/results/seg_f73c363e8f4946e0a0cfb47a3709f7a5.jpg b/static/results/seg_f73c363e8f4946e0a0cfb47a3709f7a5.jpg
new file mode 100644
index 0000000..3081831
Binary files /dev/null and b/static/results/seg_f73c363e8f4946e0a0cfb47a3709f7a5.jpg differ