diff --git a/py/GAT.py b/py/GAT.py
index 5b52945..fe124a8 100644
--- a/py/GAT.py
+++ b/py/GAT.py
@@ -733,7 +733,7 @@ def process_line(line, output_file, order_list, valid_count, invalid_count, tota
     elif len(parts) == 2:
         channel_name, channel_url = parts
         resolution = get_video_resolution(channel_url, timeout=8)
-        if resolution and resolution[1] >= 720:  # 检查分辨率是否大于等于720p
+        if resolution and resolution[1] >= 540:  # 检查分辨率是否大于等于720p
             with threading.Lock():
                 output_file.write(f"{channel_name}[{resolution[1]}p],{channel_url}\n")
                 order_list.append((channel_name, resolution[1], channel_url))
@@ -764,7 +764,7 @@ def main(source_file_path, output_file_path):
         lines = source_file.readlines()
     with open(output_file_path + '.txt', 'w', encoding='utf-8') as output_file:
         # 创建线程池
-        with ThreadPoolExecutor(max_workers=64) as executor:
+        with ThreadPoolExecutor(max_workers=256) as executor:
             # 创建并启动工作线程
             for _ in range(64):
                 executor.submit(worker, task_queue, output_file, order_list, valid_count, invalid_count, len(lines))