采集卡bug修复

main.py

@@ -39,6 +39,15 @@ get_image = GetImage(
     height=active_group['camera_height']
 )
 
+# 检查采集卡是否初始化成功
+if get_image.cap is None:
+    print(f"❌ 采集卡 {active_group['camera_index']} 初始化失败")
+    print("请检查：")
+    print("1. 采集卡是否正确连接")
+    print("2. 采集卡索引是否正确")
+    print("3. 采集卡驱动是否安装")
+    exit(1)
+
 print(f"✅ 初始化完成 - 串口:{active_group['serial_port']} 采集卡:{active_group['camera_index']}")
 
 # 全局变量
@@ -171,10 +180,18 @@ while True:
         'zhaozi': None
     }
     im_opencv = get_image.get_frame()  # [RGB,PIL]
+    if im_opencv is None:
+        print("⚠️ 无法获取图像帧，跳过本次循环")
+        time.sleep(0.1)
+        continue
     detections = yolo_shibie(im_opencv[1], detections, model)
     
     if shizi.tuwai(im_opencv[0]):  # 进图算法
         im_opencv = get_image.get_frame()  # [RGB,PIL]
+        if im_opencv is None:
+            print("⚠️ 无法获取图像帧，跳过本次循环")
+            time.sleep(0.1)
+            continue
         detections = yolo_shibie(im_opencv[1], detections, model0)
         print('当前在城镇中')
         if detections['npc1'] is not None and sq(rw, detections['npc1']) > 80:
@@ -203,6 +220,9 @@ while True:
                 keyboard.release()
                 time.sleep(1)
                 im_opencv = get_image.get_frame()  # [RGB,PIL]
+                if im_opencv is None:
+                    print("⚠️ 无法获取图像帧")
+                    continue
                 if shizi.daoying(im_opencv[0]):
                     mouse_gui.send_data_absolute(rw[0], rw[1] - 110, may=1)
                     time.sleep(1)
@@ -212,6 +232,9 @@ while True:
                 move_to(rw, detections['npc4'])
                 time.sleep(1)
                 im_opencv = get_image.get_frame()  # [RGB,PIL]
+                if im_opencv is None:
+                    print("⚠️ 无法获取图像帧")
+                    continue
                 if shizi.daoying(im_opencv[0]):
                     mouse_gui.send_data_absolute(rw[0], rw[1] - 110, may=1)
                     time.sleep(1)
@@ -255,6 +278,9 @@ while True:
                 time.sleep(0.5)
 
                 im_opencv = get_image.get_frame()  # [RGB,PIL]
+                if im_opencv is None:
+                    print("⚠️ 无法获取图像帧")
+                    continue
                 detections = {
                     'center': None,
                     'next': None,