diff --git a/entity/ffmpeg.py b/entity/ffmpeg.py
index 1079991..89f411c 100644
--- a/entity/ffmpeg.py
+++ b/entity/ffmpeg.py
@@ -148,7 +148,7 @@ class FfmpegTask(object):
                 input_index = input_args.count("-i")
                 input_args.append("-i")
                 input_args.append(overlay)
-                filter_args.append(f"{video_output_str}[{input_index}:v]scale2ref=mw:mh[v]")
+                filter_args.append(f"{video_output_str}[{input_index}:v]scale2ref=main_w:main_h[v]")
                 filter_args.append(f"[v][{input_index}:v]overlay=1:eof_action=endall[v]")
                 video_output_str = "[v]"
             for subtitle in self.subtitles:
@@ -280,4 +280,4 @@ class FfmpegTask(object):
             elif isinstance(input_file, FfmpegTask):
                 if not input_file.check_annexb():
                     return False
-        return True
\ No newline at end of file
+        return True
diff --git a/util/ffmpeg.py b/util/ffmpeg.py
index c6765d4..1065570 100644
--- a/util/ffmpeg.py
+++ b/util/ffmpeg.py
@@ -64,7 +64,7 @@ def duration_str_to_float(duration_str: str) -> float:
 def probe_video_info(video_file):
     # 获取宽度和高度
     result = subprocess.run(
-        ["ffprobe.exe", '-v', 'error', '-select_streams', 'v:0', '-show_entries', 'stream=width,height:format=duration', '-of',
+        ["ffprobe", '-v', 'error', '-select_streams', 'v:0', '-show_entries', 'stream=width,height:format=duration', '-of',
          'csv=s=x:p=0', video_file],
         stderr=subprocess.STDOUT,
         **subprocess_args(True)