diff --git a/base_move/move_base_hori_line.py b/base_move/move_base_hori_line.py
index 8fd1ecf..4fd01a2 100644
--- a/base_move/move_base_hori_line.py
+++ b/base_move/move_base_hori_line.py
@@ -202,7 +202,7 @@ def calculate_distance_to_line(edge_info, camera_height, camera_tilt_angle_deg=0
     
     return final_distance
 
-def move_to_hori_line(ctrl, msg, target_distance=0.5, observe=False):
+def move_to_hori_line(ctrl, msg, target_distance=0.5, observe=False, scan_qrcode=False, qr_check_interval=0.5):
     """
     控制机器人校准并移动到横向线前的指定距离
     
@@ -211,25 +211,56 @@ def move_to_hori_line(ctrl, msg, target_distance=0.5, observe=False):
     msg: robot_control_cmd_lcmt 对象，用于发送命令
     target_distance: 目标位置与横向线的距离(米)，默认为0.5米
     observe: 是否输出中间状态信息和可视化结果，默认为False
+    scan_qrcode: 是否在移动过程中扫描QR码，默认为False
+    qr_check_interval: QR码检查间隔时间(秒)，默认为0.5秒
     
     返回:
-    bool: 是否成功到达目标位置
+    bool or tuple: 如果scan_qrcode为False，返回bool表示是否成功到达目标位置；
+                  如果scan_qrcode为True，返回(bool, str)元组，表示(是否成功到达目标位置, QR码扫描结果)
     """
+    # 启动异步QR码扫描（如果需要）
+    qr_result = None
+    if scan_qrcode:
+        # 确保image_processor存在
+        if not hasattr(ctrl, 'image_processor') or ctrl.image_processor is None:
+            print("警告: 无法启用QR码扫描，image_processor不存在")
+            scan_qrcode = False
+        else:
+            # 启动异步扫描
+            try:
+                ctrl.image_processor.start_async_scan(interval=0.2)
+                print("已启动异步QR码扫描")
+            except Exception as e:
+                print(f"启动QR码扫描失败: {e}")
+                scan_qrcode = False
+    
     # 首先校准到水平
     print("校准到横向线水平")
     aligned = align_to_horizontal_line(ctrl, msg, observe=observe)
     
     if not aligned:
         print("无法校准到横向线水平，停止移动")
+        if scan_qrcode:
+            ctrl.image_processor.stop_async_scan()
+            return False, None
         return False
     
+    # 校准后检查是否已经扫描到QR码
+    if scan_qrcode:
+        qr_data, scan_time = ctrl.image_processor.get_last_qr_result()
+        if qr_data:
+            qr_result = qr_data
+            print(f"🔍 校准过程中已扫描到QR码: {qr_data}")
+    
     # 检测横向线
-    # image = cv2.imread("current_image.jpg")  # TEST
     image = ctrl.image_processor.get_current_image()
     edge_point, edge_info = detect_horizontal_track_edge(image, observe=observe)
     
     if edge_point is None or edge_info is None:
         print("无法检测到横向线，停止移动")
+        if scan_qrcode:
+            ctrl.image_processor.stop_async_scan()
+            return False, qr_result
         return False
     
     # 获取相机高度
@@ -240,6 +271,9 @@ def move_to_hori_line(ctrl, msg, target_distance=0.5, observe=False):
     
     if current_distance is None:
         print("无法计算到横向线的距离，停止移动")
+        if scan_qrcode:
+            ctrl.image_processor.stop_async_scan()
+            return False, qr_result
         return False
     
     if observe:
@@ -250,6 +284,9 @@ def move_to_hori_line(ctrl, msg, target_distance=0.5, observe=False):
     
     if abs(distance_to_move) < 0.05:  # 如果已经很接近目标距离
         print("已经达到目标距离，无需移动")
+        if scan_qrcode:
+            ctrl.image_processor.stop_async_scan()
+            return True, qr_result
         return True
     
     # 设置移动命令
@@ -289,8 +326,9 @@ def move_to_hori_line(ctrl, msg, target_distance=0.5, observe=False):
     distance_moved = 0
     start_time = time.time()
     timeout = move_time + 1  # 超时时间设置为预计移动时间加1秒
+    last_qr_check_time = 0
     
-    # 监控移动距离，但不执行减速（改用stop_smooth）
+    # 监控移动距离，并在移动过程中检查QR码（如果启用）
     while distance_moved < abs(distance_to_move) * 0.95 and time.time() - start_time < timeout:
         # 计算已移动距离
         current_position = ctrl.odo_msg.xyz
@@ -298,6 +336,16 @@ def move_to_hori_line(ctrl, msg, target_distance=0.5, observe=False):
         dy = current_position[1] - start_position[1]
         distance_moved = math.sqrt(dx*dx + dy*dy)
         
+        # 检查QR码扫描结果（如果启用）
+        if scan_qrcode:
+            current_time = time.time()
+            if current_time - last_qr_check_time >= qr_check_interval:
+                qr_data, scan_time = ctrl.image_processor.get_last_qr_result()
+                if qr_data and scan_time > start_time:  # 确保是在移动开始后的扫描结果
+                    qr_result = qr_data
+                    print(f"🔍 在移动过程中扫描到QR码: {qr_data}")
+                last_qr_check_time = current_time
+        
         if observe and time.time() % 0.5 < 0.02:  # 每0.5秒左右打印一次
             print(f"已移动: {distance_moved:.3f}米, 目标: {abs(distance_to_move):.3f}米")
             
@@ -319,8 +367,24 @@ def move_to_hori_line(ctrl, msg, target_distance=0.5, observe=False):
         if hasattr(ctrl, 'place_marker'):
             ctrl.place_marker(end_position[0], end_position[1], end_position[2] if len(end_position) > 2 else 0.0, 'red', observe=True)
     
-    # 如果没有提供图像处理器或图像验证失败，则使用里程计数据判断
-    return abs(distance_moved - abs(distance_to_move)) < 0.1  # 如果误差小于10厘米，则认为成功
+    # 移动完成后再检查一次QR码扫描结果
+    if scan_qrcode:
+        qr_data, scan_time = ctrl.image_processor.get_last_qr_result()
+        if qr_data and (qr_result is None or scan_time > last_qr_check_time):
+            qr_result = qr_data
+            print(f"🔍 移动完成后最终扫描到QR码: {qr_data}")
+        
+        # 停止异步扫描
+        ctrl.image_processor.stop_async_scan()
+    
+    # 判断移动是否成功
+    move_success = abs(distance_moved - abs(distance_to_move)) < 0.1  # 如果误差小于10厘米，则认为成功
+    
+    # 根据scan_qrcode参数返回不同格式的结果
+    if scan_qrcode:
+        return move_success, qr_result
+    else:
+        return move_success
 
 def arc_turn_around_hori_line(ctrl, msg, angle_deg=90, left=True, target_distance=0.2, observe=False):
     """
diff --git a/task_1/task_1.py b/task_1/task_1.py
index c875957..1e64991 100644
--- a/task_1/task_1.py
+++ b/task_1/task_1.py
@@ -1,10 +1,13 @@
 import time
 import sys
 import os
+import math
 
 # 添加父目录到路径，以便能够导入utils
 sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
-from base_move.move_base_hori_line import move_to_hori_line, arc_turn_around_hori_line
+from base_move.move_base_hori_line import move_to_hori_line, arc_turn_around_hori_line, align_to_horizontal_line
+from utils.detect_track import detect_horizontal_track_edge
+from base_move.move_base_hori_line import calculate_distance_to_line
 
 observe = True
 
@@ -16,7 +19,20 @@ def run_task_1(ctrl, msg):
     arc_turn_around_hori_line(ctrl, msg, angle_deg=85, left=False, observe=observe)
     
     print('😺 task 1 - 2')
-    move_to_hori_line(ctrl, msg, target_distance=1, observe=observe)
+    # 使用内置的QR码扫描功能执行移动
+    move_success, qr_result = move_to_hori_line(
+        ctrl=ctrl,
+        msg=msg,
+        target_distance=1,
+        observe=observe,
+        scan_qrcode=True,  # 启用QR码扫描
+        qr_check_interval=0.3  # 每0.3秒检查一次QR码结果
+    )
+    
+    if qr_result:
+        print(f"🎯 成功扫描到QR码: {qr_result}")
+    else:
+        print("⚠️ 未能扫描到任何QR码")
 
     print('😺 task 1 - 3')
     arc_turn_around_hori_line(ctrl, msg, angle_deg=180, target_distance=0.4, left=True, observe=observe)
@@ -27,4 +43,26 @@ def run_task_1(ctrl, msg):
     move_to_hori_line(ctrl, msg, observe=observe)
 
 
+# 保留move_with_qr_scan函数作为备份，如果需要特殊处理可以使用
+def move_with_qr_scan(ctrl, msg, target_distance=0.5, observe=False):
+    """
+    结合移动到指定位置和 QR 码扫描功能的函数，使用异步扫描
+    
+    参数:
+        ctrl: Robot_Ctrl 对象
+        msg: 机器人控制消息对象
+        target_distance: 目标距离
+        observe: 是否打印调试信息
+    """
+    # 直接使用内置的扫描功能
+    return move_to_hori_line(
+        ctrl=ctrl,
+        msg=msg, 
+        target_distance=target_distance,
+        observe=observe,
+        scan_qrcode=True,
+        qr_check_interval=0.3
+    )
+
+
 
diff --git a/utils/image_raw.py b/utils/image_raw.py
index 9c9db39..9569575 100644
--- a/utils/image_raw.py
+++ b/utils/image_raw.py
@@ -7,7 +7,9 @@ from cv_bridge import CvBridge
 import cv2
 from rclpy.qos import QoSProfile, QoSReliabilityPolicy, QoSHistoryPolicy
 from qreader import QReader
-from threading import Thread
+from threading import Thread, Lock
+import time
+import queue
 
 
 class ImageSubscriber(Node):
@@ -45,6 +47,15 @@ class ImageProcessor:
         self.qreader = QReader()
         self.spin_thread = None
         self.running = True
+        
+        # 异步 QR 码扫描相关
+        self.scan_thread = None
+        self.image_queue = queue.Queue(maxsize=3)  # 限制队列大小，只保留最新的图像
+        self.scan_lock = Lock()
+        self.last_qr_result = None
+        self.last_qr_time = 0
+        self.is_scanning = False
+        self.enable_async_scan = False
     
     def run(self):
         self.spin_thread = Thread(target=self._spin)
@@ -59,6 +70,7 @@ class ImageProcessor:
     
     def destroy(self):
         self.running = False
+        self.stop_async_scan()
         if self.spin_thread:
             self.spin_thread.join()
         self.image_subscriber.destroy_node()
@@ -69,8 +81,72 @@ class ImageProcessor:
     def decode_qrcode(self, img = None):
         if img is None:
             img = self.get_current_image()
+        if img is None:
+            return None
         decoded_info = self.qreader.detect_and_decode(image=img)
-        return decoded_info[0]
+        if decoded_info and len(decoded_info) > 0:
+            return decoded_info[0]
+        return None
+    
+    def start_async_scan(self, interval=0.3):
+        """
+        启动异步 QR 码扫描
+        
+        参数:
+            interval: 扫描间隔，单位秒
+        """
+        if self.scan_thread is not None and self.scan_thread.is_alive():
+            print("异步扫描已经在运行中")
+            return
+        
+        self.enable_async_scan = True
+        self.is_scanning = False
+        self.scan_thread = Thread(target=self._async_scan_worker, args=(interval,))
+        self.scan_thread.daemon = True  # 设为守护线程，主线程结束时自动结束
+        self.scan_thread.start()
+        print("启动异步 QR 码扫描线程")
+    
+    def stop_async_scan(self):
+        """停止异步 QR 码扫描"""
+        self.enable_async_scan = False
+        if self.scan_thread and self.scan_thread.is_alive():
+            self.scan_thread.join(timeout=1.0)
+            print("异步 QR 码扫描线程已停止")
+    
+    def _async_scan_worker(self, interval):
+        """异步扫描工作线程"""
+        last_scan_time = 0
+        
+        while self.enable_async_scan and self.running:
+            current_time = time.time()
+            
+            # 按指定间隔扫描
+            if current_time - last_scan_time >= interval:
+                img = self.get_current_image()
+                if img is not None:
+                    try:
+                        self.is_scanning = True
+                        qr_data = self.decode_qrcode(img)
+                        self.is_scanning = False
+                        
+                        with self.scan_lock:
+                            if qr_data:
+                                self.last_qr_result = qr_data
+                                self.last_qr_time = current_time
+                                print(f"异步扫描到 QR 码: {qr_data}")
+                    except Exception as e:
+                        self.is_scanning = False
+                        print(f"异步 QR 码扫描出错: {e}")
+                
+                last_scan_time = current_time
+            
+            # 短暂休眠避免占用过多 CPU
+            time.sleep(0.05)
+    
+    def get_last_qr_result(self):
+        """获取最后一次成功扫描的 QR 码结果"""
+        with self.scan_lock:
+            return self.last_qr_result, self.last_qr_time
 
 
 """ DEBUG """