diff --git a/hls_service_ws_kadian.py b/hls_service_ws_kadian.py
index e7b9a0d..b44720c 100644
--- a/hls_service_ws_kadian.py
+++ b/hls_service_ws_kadian.py
@@ -58,6 +58,7 @@ class HLSFrameProcessor(threading.Thread):
         self.pts_diff = 0
 
         self.should_reset_time = False
+        self.current_segment_duration = None  # 当前分片时长（秒）
 
     def get_latest_n_segments(self, n: int) -> list:
         """获取最新的n个TS分片（委托给工具函数）"""
@@ -152,6 +153,8 @@ class HLSFrameProcessor(threading.Thread):
             "timestamp": current_time,
             "camera_index": self.camera_cfg.index,
             "frame": frame_data,
+            "segment_path": self.current_segment_path,
+            "segment_duration": self.current_segment_duration,
         }
         
         try:
@@ -234,6 +237,12 @@ class HLSFrameProcessor(threading.Thread):
             container = av.open(segment_path)
             video_stream = container.streams.video[0]
             
+            # 获取分片时长
+            if video_stream.duration:
+                self.current_segment_duration = float(video_stream.duration * video_stream.time_base)
+            else:
+                self.current_segment_duration = None
+            
             # 重置时间轴：使用新分片的第一帧PTS重新设置时间基准
             current_time = time.time()