diff --git a/py/GAT.py b/py/GAT.py
index 0afb9b0..f82b489 100644
--- a/py/GAT.py
+++ b/py/GAT.py
@@ -174,50 +174,62 @@ with open('gat.txt', 'w', encoding='utf-8') as new_file:
 
 
 
-import cv2
-import time
+import requests
 from tqdm import tqdm
-
-# 存储文件路径
-file_path = "gat.txt"
-output_file_path = "gat.txt"
-
-# 打开输入文件和输出文件
-with open(file_path, 'r', encoding='utf-8') as file:
-    lines = file.readlines()
-
-# 获取总行数用于进度条
-total_lines = len(lines)
-
-# 写入通过检测的行到新文件
-with open(output_file_path, 'w', encoding='utf-8') as output_file:
-    # 使用tqdm显示进度条
-    for i, line in tqdm(enumerate(lines), total=total_lines, desc="Processing", unit='line'):
-        # 检查是否包含 'genre'
-        if 'genre' in line:
-            output_file.write(line)
-            continue
-        # 分割频道名称和URL,并去除空白字符
-        parts = line.split(',', 1)
-        if len(parts) == 2:
-            channel_name, url = parts
-            channel_name = channel_name.strip()
-            url = url.strip()
-            # 进行检测
-            cap = cv2.VideoCapture(url)
-            start_time = time.time()
-            frame_count = 0
-            # 尝试捕获10秒内的帧
-            while frame_count < 25 and (time.time() - start_time) < 2:
-                ret, frame = cap.read()
-                if not ret:
-                    break
-                frame_count += 1
-            # 释放资源
-            cap.release()
-            # 根据捕获的帧数判断状态并记录结果
-            if frame_count >= 25:  # 10秒内超过200帧则写入
-                output_file.write(line)  # 写入检测通过的行
+import threading
+import re
+def test_connectivity(url, max_attempts=1):
+    video_formats = ["m3u", "/", "rtsp"]
+    if not any(re.search(keyword, url, re.I) for keyword in video_formats):
+        print("\n特殊网址: 跳过检测")
+        return False
+    for _ in range(max_attempts):
+        try:
+            response = requests.get(url, timeout=0.3)
+            return response.status_code == 200
+        except requests.RequestException:
+            pass
+    return False
+# 处理每一行的函数
+def process_line(line, output_file, valid_count, invalid_count):
+    parts = line.strip().split(",")
+    if len(parts) == 2:
+        channel_name, channel_url = parts
+        if "genre" in line.lower():
+            with threading.Lock():
+                output_file.write("\n" +line)  # 直接写入原始行
+        elif test_connectivity(channel_url):
+            with threading.Lock():
+                output_file.write(f"{channel_name},{channel_url}\n")
+                valid_count[0] += 1
+        else:
+            with threading.Lock():
+                invalid_count[0] += 1
+    else:
+        with threading.Lock():
+            invalid_count[0] += 1
+# 主函数
+def main(source_file_path, output_file_path):
+    with open(source_file_path, "r", encoding="utf-8") as source_file:
+        lines = source_file.readlines()
+    valid_count = [0]
+    invalid_count = [0]
+    with open(output_file_path, "w", encoding="utf-8") as output_file:
+        threads = []
+        for line in tqdm(lines, desc="地址有效"):
+            thread = threading.Thread(target=process_line, args=(line, output_file, valid_count, invalid_count))
+            thread.start()
+            threads.append(thread)
+        for thread in threads:
+            thread.join()
+    print(f"任务完成,有效源数量: {valid_count[0]}, 无效源数量: {invalid_count[0]}")
+if __name__ == "__main__":
+    try:
+        source_file_path = "gat.txt"
+        output_file_path = "gat.txt"
+        main(source_file_path, output_file_path)
+    except Exception as e:
+        print(f"程序发生错误: {e}")
 
 # 无需再打印酒店源，因为这里是对所有URL进行检测，而不是基于IP分组检测