diff --git a/entity/ffmpeg.py b/entity/ffmpeg.py
index 660fc95..fd195d3 100644
--- a/entity/ffmpeg.py
+++ b/entity/ffmpeg.py
@@ -329,7 +329,7 @@ class FfmpegTask(object):
                     skip_seconds = float(param)
                     if skip_seconds > 0:
                         effect_index += 1
-                        filter_args.append(f"{video_output_str}trim=start={skip_seconds}[v_eff{effect_index}]")
+                        filter_args.append(f"{video_output_str}trim=start={skip_seconds},setpts=PTS-STARTPTS[v_eff{effect_index}]")
                         video_output_str = f"[v_eff{effect_index}]"
                 elif effect.startswith("tail:"):
                     param = effect.split(":", 2)[1]
@@ -342,7 +342,7 @@ class FfmpegTask(object):
                         # 使用reverse+trim+reverse的方法来精确获取最后N秒
                         filter_args.append(f"{video_output_str}reverse[v_rev{effect_index}]")
                         filter_args.append(f"[v_rev{effect_index}]trim=duration={tail_seconds}[v_trim{effect_index}]")
-                        filter_args.append(f"[v_trim{effect_index}]reverse[v_eff{effect_index}]")
+                        filter_args.append(f"[v_trim{effect_index}]reverse,setpts=PTS-STARTPTS[v_eff{effect_index}]")
                         video_output_str = f"[v_eff{effect_index}]"
                 elif effect.startswith("show:"):
                     param = effect.split(":", 2)[1]
@@ -351,7 +351,7 @@ class FfmpegTask(object):
                     show_seconds = float(param)
                     if show_seconds > 0:
                         effect_index += 1
-                        filter_args.append(f"{video_output_str}trim=end={show_seconds}[v_eff{effect_index}]")
+                        filter_args.append(f"{video_output_str}trim=end={show_seconds},setpts=PTS-STARTPTS[v_eff{effect_index}]")
                         video_output_str = f"[v_eff{effect_index}]"
                 elif effect.startswith("grid4:"):
                     param = effect.split(":", 2)[1]