diff --git a/test/merge.py b/test/merge.py
index 9e63bf4..8552858 100644
--- a/test/merge.py
+++ b/test/merge.py
@@ -1,21 +1,66 @@
+import re
 import subprocess
 import os
+import os.path as path
+import sys
+
+work_path = sys.path[0]
 
 ffmpeg_path = "ffmpeg"
+ffprobe_path = "ffprobe"
 
-cmd = f"{ffmpeg_path} -y -loglevel error -f concat -safe 0 -i %s -c copy test.mp4"
+record_dir = "record"
+record_path = path.join(work_path, record_dir)
 
-tmp_merge_file = "merge.tmp"
+if not path.exists(record_path):
+    os.mkdir(record_path)
+
+merge_file = path.join(work_path,  "test.mp4")
+cmd = f"{ffmpeg_path} -y -loglevel error -f concat -safe 0 -i %s -c copy {merge_file}"
+
+
+def natural_sort_key(s):
+    """
+    按文件名中的自然数排序
+    """
+    # 将字符串按照数字和非数字部分分割，返回分割后的子串列表
+    sub_strings = re.split(r'(\d+)', s)
+    # 如果当前子串由数字组成，则将它转换为整数；否则将其替换成空字符串
+    sub_strings = [int(c) if c.isdigit() else '' for c in sub_strings]
+    # 返回子串列表
+    return sub_strings
+
+file_list = []
+for item in os.listdir(record_path):
+    p = path.join(record_path, item)
+    if not path.isfile(p) or (not p.endswith(".mp4") and not p.endswith(".rec")):
+        continue
+    else:
+        file_list.append(p)
+
+sorted_file_list = sorted(file_list, key=natural_sort_key)
+
+tmp_merge_file = path.join(work_path, "merge.tmp")
 with open(tmp_merge_file, mode="w", encoding="utf8") as f:
-    f.write("file './72439149X00E26C681B09_20240311000015_20240311000030.mp4'\n")
-    # f.write("file ./72439149X00E26C681B09_20240311001015_20240311001030.mp4")
-    
+    for record in sorted_file_list:
+        f.write(f"file '{record}'\n")
+
 proc = subprocess.Popen(
-        cmd % tmp_merge_file,
-        stdin=subprocess.PIPE,
-        stdout=None,
-        shell=True
+    cmd % tmp_merge_file,
+    stdin=None,
+    stdout=None,
+    shell=True
 )
 
 proc.communicate()
-os.remove(tmp_merge_file)
\ No newline at end of file
+os.remove(tmp_merge_file)
+
+meta_cmd = f"{ffprobe_path} -v error -i {merge_file} -print_format json -show_format -show_streams -pretty > {merge_file}.meta.json"
+
+proc = subprocess.Popen(
+    meta_cmd,
+    stdin=None,
+    stdout=None,
+    shell=True
+)
+proc.communicate()
\ No newline at end of file