diff --git a/main.py b/main.py
index 986e61f..1cfb234 100644
--- a/main.py
+++ b/main.py
@@ -1736,49 +1736,8 @@ def start_record(url_data: tuple, count_variable: int = -1) -> None:
                                         "Referer: https://live.douyin.com/\r\n"
                                         "Origin: https://live.douyin.com\r\n"
                                     )
-                                    ffmpeg_command = [
-                                        "ffmpeg", "-y", "-loglevel", "info", "-nostdin", "-re",
-                                        "-stats", "-stats_period", "1",
-                                        "-rw_timeout", "30000000",
-                                        "-reconnect", "1", "-reconnect_at_eof", "1", "-reconnect_streamed", "1",
-                                        "-reconnect_delay_max", "5",
-                                        "-fflags", "+genpts+discardcorrupt+nobuffer+flush_packets",
-                                        "-flags", "low_delay",
-                                        "-err_detect", "ignore_err",
-                                        "-max_delay", "80000",
-                                        "-thread_queue_size", "2048",
 
-                                        "-headers", douyin_headers,
-                                        "-i", real_url,
-                                        # 720p
-                                        "-vf", "fps=30,scale=720:1280:force_original_aspect_ratio=decrease:flags=lanczos,pad=720:1280:(ow-iw)/2:(oh-ih)/2:black",
-                                        "-c:v", "libx264",
-                                        "-preset", "fast",
-                                        # "-tune", "zerolatency",
-                                        "-profile:v", "high",
-                                        # 720p
-                                        # "-minrate", "3200k","-b:v", "3200k", "-maxrate", "3200k", "-bufsize", "6400k",   # bufsize = 2× bitrate，保持真 CBR
-                                        "-b:v", "2600k","-maxrate", "3000k","-bufsize", "5200k",
-                                        "-vsync", "cfr",
-                                        "-g", "60", "-keyint_min", "60",
-                                        "-r", "30",
-                                        "-bf", "0",
-                                        "-sc_threshold", "0",
-                                        # "-nal-hrd", "cbr",                                          # 改2：强制 CBR
-                                        # 720p
-                                        # "-x264-params", "nal-hrd=cbr:force-cfr=1:scenecut=0:filler=1",       # 改3：简化 params，锁死 CBR
-                                        "-x264-params", "force-cfr=1:scenecut=0:open_gop=0:sync-lookahead=0",
-                                        "-pix_fmt", "yuv420p",
-                                        "-c:a", "aac", "-b:a", "128k", "-ar", "48000", "-ac", "2",  # 改4：1080p可音频上 128k（YouTube 推荐）
-                                        "-af", "aresample=async=1:first_pts=0",
-
-                                        "-flags", "+global_header",
-                                        "-flvflags", "no_duration_filesize",
-                                        "-f", "flv", youtube_rtmp
-                                    ]
-
-
-                                    # 1080p
+                                    # 720p
                                     # ffmpeg_command = [
                                     #     "ffmpeg", "-y", "-loglevel", "info", "-nostdin", "-re",
                                     #     "-stats", "-stats_period", "1",
@@ -1793,24 +1752,26 @@ def start_record(url_data: tuple, count_variable: int = -1) -> None:
 
                                     #     "-headers", douyin_headers,
                                     #     "-i", real_url,
-                                    #     # 1080p
-                                    #     "-vf","fps=30,scale=1080:1920:force_original_aspect_ratio=decrease:flags=lanczos,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:black",
+                                    #     # 720p
+                                    #     "-vf", "fps=30,scale=720:1280:force_original_aspect_ratio=decrease:flags=lanczos,pad=720:1280:(ow-iw)/2:(oh-ih)/2:black",
                                     #     "-c:v", "libx264",
-                                    #     "-preset", "veryfast",
-                                    #     "-tune", "zerolatency",
+                                    #     "-preset", "fast",
+                                    #     # "-tune", "zerolatency",
                                     #     "-profile:v", "high",
-                                    #     # 1080p
-                                    #     "-b:v", "5200k", "-maxrate", "5800k", "-bufsize", "10400k",   # 改1：2× bufsize，真 CBR
+                                    #     # 720p
+                                    #     # "-minrate", "3200k","-b:v", "3200k", "-maxrate", "3200k", "-bufsize", "6400k",   # bufsize = 2× bitrate，保持真 CBR
+                                    #     "-b:v", "2600k","-maxrate", "3000k","-bufsize", "5200k",
                                     #     "-vsync", "cfr",
                                     #     "-g", "60", "-keyint_min", "60",
                                     #     "-r", "30",
                                     #     "-bf", "0",
                                     #     "-sc_threshold", "0",
                                     #     # "-nal-hrd", "cbr",                                          # 改2：强制 CBR
-                                    #     # 1080p
-                                    #     "-x264-params","force-cfr=1:scenecut=0:open_gop=0:sync-lookahead=0",
+                                    #     # 720p
+                                    #     # "-x264-params", "nal-hrd=cbr:force-cfr=1:scenecut=0:filler=1",       # 改3：简化 params，锁死 CBR
+                                    #     "-x264-params", "force-cfr=1:scenecut=0:open_gop=0:sync-lookahead=0",
                                     #     "-pix_fmt", "yuv420p",
-                                    #     "-c:a", "aac", "-b:a", "128k", "-ar", "44100", "-ac", "2", 
+                                    #     "-c:a", "aac", "-b:a", "128k", "-ar", "48000", "-ac", "2",  # 改4：1080p可音频上 128k（YouTube 推荐）
                                     #     "-af", "aresample=async=1:first_pts=0",
 
                                     #     "-flags", "+global_header",
@@ -1819,6 +1780,47 @@ def start_record(url_data: tuple, count_variable: int = -1) -> None:
                                     # ]
 
 
+                                    # 1080p
+                                    ffmpeg_command = [
+                                        "ffmpeg", "-y", "-loglevel", "info", "-nostdin", "-re",
+                                        "-stats", "-stats_period", "1",
+                                        "-rw_timeout", "30000000",
+                                        "-reconnect", "1", "-reconnect_at_eof", "1", "-reconnect_streamed", "1",
+                                        "-reconnect_delay_max", "5",
+                                        "-fflags", "+genpts+discardcorrupt+nobuffer+flush_packets",
+                                        "-flags", "low_delay",
+                                        "-err_detect", "ignore_err",
+                                        "-max_delay", "80000",
+                                        "-thread_queue_size", "2048",
+
+                                        "-headers", douyin_headers,
+                                        "-i", real_url,
+                                        # 1080p
+                                        "-vf","fps=30,scale=1080:1920:force_original_aspect_ratio=decrease:flags=lanczos,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:black",
+                                        "-c:v", "libx264",
+                                        "-preset", "veryfast",
+                                        "-tune", "zerolatency",
+                                        "-profile:v", "high",
+                                        # 1080p
+                                        "-b:v", "5200k", "-maxrate", "5800k", "-bufsize", "10400k",   # 改1：2× bufsize，真 CBR
+                                        "-vsync", "cfr",
+                                        "-g", "60", "-keyint_min", "60",
+                                        "-r", "30",
+                                        "-bf", "0",
+                                        "-sc_threshold", "0",
+                                        # "-nal-hrd", "cbr",                                          # 改2：强制 CBR
+                                        # 1080p
+                                        "-x264-params","force-cfr=1:scenecut=0:open_gop=0:sync-lookahead=0",
+                                        "-pix_fmt", "yuv420p",
+                                        "-c:a", "aac", "-b:a", "128k", "-ar", "44100", "-ac", "2", 
+                                        "-af", "aresample=async=1:first_pts=0",
+
+                                        "-flags", "+global_header",
+                                        "-flvflags", "no_duration_filesize",
+                                        "-f", "flv", youtube_rtmp
+                                    ]
+
+
                                     # srs内网配置
                                     # ffmpeg_command = [
                                     #    "ffmpeg",