diff --git a/biz/ffmpeg.py b/biz/ffmpeg.py
index 5b60412..0106458 100644
--- a/biz/ffmpeg.py
+++ b/biz/ffmpeg.py
@@ -109,6 +109,11 @@ def start_ffmpeg_task(ffmpeg_task):
             if not result:
                 return False
         ffmpeg_task.correct_task_type()
+        span.set_attribute("task.type", ffmpeg_task.task_type)
+        span.set_attribute("task.center_cut", ffmpeg_task.center_cut)
+        span.set_attribute("task.frame_rate", ffmpeg_task.frame_rate)
+        span.set_attribute("task.resolution", ffmpeg_task.resolution)
+        span.set_attribute("task.ext_data", json.dumps(ffmpeg_task.ext_data))
         result = ffmpeg.start_render(ffmpeg_task)
         if not result:
             span.set_status(Status(StatusCode.ERROR))
diff --git a/biz/task.py b/biz/task.py
index d7157bc..12548be 100644
--- a/biz/task.py
+++ b/biz/task.py
@@ -23,6 +23,9 @@ def start_task(task_info):
             span.set_status(Status(StatusCode.ERROR))
             return api.report_task_failed(task_info)
         width, height, duration = probe_video_info(ffmpeg_task)
+        span.set_attribute("probe.width", width)
+        span.set_attribute("probe.height", height)
+        span.set_attribute("probe.duration", duration)
         # 音频淡出
         new_fn = fade_out_audio(ffmpeg_task.get_output_file(), duration)
         ffmpeg_task.set_output_file(new_fn)
@@ -38,3 +41,4 @@ def start_task(task_info):
             "duration": duration
         })
         span.set_status(Status(StatusCode.OK))
+        return None