diff --git a/include/record_manager.hpp b/include/record_manager.hpp
index 88b0903..b918fc3 100644
--- a/include/record_manager.hpp
+++ b/include/record_manager.hpp
@@ -6,6 +6,8 @@
 #include <unordered_map>
 #include <vector>
 
+#include "mp4v2/mp4v2.h"
+
 struct RecordFileInfo
 {
     std::string stream;  // AHD1_main
diff --git a/src/main.cpp b/src/main.cpp
index 34739cc..d5c165e 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -21,6 +21,53 @@ static void signal_handler(int signum)
     write(STDERR_FILENO, msg, sizeof(msg) - 1);
 }
 
+void test_mp4_info(const std::string& path)
+{
+    MP4FileHandle file = MP4Read(path.c_str());
+    if (file == MP4_INVALID_FILE_HANDLE)
+    {
+        std::cerr << "Failed to open: " << path << std::endl;
+        return;
+    }
+
+    std::cout << "=== MP4 Info for: " << path << " ===\n";
+
+    // duration (in seconds)
+    MP4Duration duration = MP4GetDuration(file);
+    uint32_t timeScale = MP4GetTimeScale(file);
+    double seconds = (double)duration / timeScale;
+
+    std::cout << "Duration: " << seconds << " sec\n";
+
+    // video track
+    MP4TrackId videoTrack = MP4FindTrackId(file, 0, MP4_VIDEO_TRACK_TYPE);
+    if (videoTrack != MP4_INVALID_TRACK_ID)
+    {
+        uint32_t width = MP4GetTrackVideoWidth(file, videoTrack);
+        uint32_t height = MP4GetTrackVideoHeight(file, videoTrack);
+
+        std::cout << "Video Track: YES\n";
+        std::cout << "Resolution: " << width << " x " << height << "\n";
+    }
+    else
+    {
+        std::cout << "Video Track: NO\n";
+    }
+
+    // audio track
+    MP4TrackId audioTrack = MP4FindTrackId(file, 0, MP4_AUDIO_TRACK_TYPE);
+    if (audioTrack != MP4_INVALID_TRACK_ID)
+    {
+        std::cout << "Audio Track: YES\n";
+    }
+    else
+    {
+        std::cout << "Audio Track: NO\n";
+    }
+
+    MP4Close(file);
+}
+
 int main()
 {
     // ---------- 信号处理 ----------
@@ -74,6 +121,9 @@ int main()
         }
     }
 
+    test_mp4_info("/sata/record/AHD1_main/2025-11-13/10/10-24-17.mp4");
+    test_mp4_info("/sata/record/AHD1_main/2025-11-13/10/10-25-17.mp4");
+
     // try
     // {
     //     // 加载配置