diff --git a/ai2/cv_video.py b/ai2/cv_video.py
index 7a73c05..cc16709 100644
--- a/ai2/cv_video.py
+++ b/ai2/cv_video.py
@@ -489,46 +489,7 @@ def startAIVideo2(video_path, output_url, m1, cls, confidence):
                         break
 
         Thread(target=monitor_ffmpeg_output, args=(pipe,), daemon=True).start()
-
-        def read_frames(cap, frame_queue):
-            while not stop_event.is_set():
-                ret, frame = cap.read()
-                if not ret:
-                    print("读取失败")
-                    break
-                timestamp = time.time()
-                try:
-                    frame_queue.put((timestamp, frame), timeout=1)
-                except queue.Full:
-                    print("帧队列满，跳帧")
-
-        def process_frames(frame_queue, processed_frame_queue, model, cls, confidence):
-            while not stop_event.is_set():
-                try:
-                    timestamp, frame = frame_queue.get(timeout=1)
-                    result = model.predict(source=frame, classes=cls, conf=confidence, verbose=False)
-                    processed = result[0].plot()
-                    processed_frame_queue.put((timestamp, processed), timeout=1)
-                except queue.Empty:
-                    continue
-                except Exception as e:
-                    print(f"处理帧错误: {e}")
-
-        def write_frames(processed_frame_queue, pipe, size):
-            last_timestamp = 0
-            while not stop_event.is_set():
-                try:
-                    timestamp, frame = processed_frame_queue.get(timeout=1)
-                    if timestamp < last_timestamp:
-                        print(f"跳过闪回帧 {timestamp} < {last_timestamp}")
-                        continue
-                    last_timestamp = timestamp
-                    frame = cv2.resize(frame, size)
-                    pipe.stdin.write(frame.tobytes())
-                except Exception as e:
-                    print(f"写入帧错误: {e}")
-                    break
-
+        
         read_thread = Thread(target=read_frames, args=(cap, frame_queue), daemon=True, name="ReadThread")
         process_thread = Thread(target=process_frames, args=(frame_queue, processed_frame_queue, ov_model, cls, confidence), daemon=True, name="ProcessThread")
         write_thread = Thread(target=write_frames, args=(processed_frame_queue, pipe, size), daemon=True, name="WriteThread")