diff --git a/backend/config.py b/backend/config.py
index 3f12830..b8bae91 100644
--- a/backend/config.py
+++ b/backend/config.py
@@ -64,6 +64,8 @@ class InpaintMode(Enum):
 
 
 # ×××××××××××××××××××× [可以改] start ××××××××××××××××××××
+# 是否使用h264编码，如果需要安卓手机分享生成的视频，请打开该选项
+USE_H264 = True
 
 # ×××××××××× 通用设置 start ××××××××××
 # 【设置inpaint算法】
@@ -86,7 +88,8 @@ PIXEL_TOLERANCE_X = 20  # 允许检测框横向偏差的像素点数
 # ×××××××××× InpaintMode.STTN算法设置 start ××××××××××
 # 以下参数仅适用STTN算法时，才生效
 # 是否使用跳过检测，跳过字幕检测会省去很大时间，但是可能误伤无字幕的视频帧
-STTN_SKIP_DETECTION = True
+# 注意：将STTN_SKIP_DETECTION设置为True可能会导致去除的字幕漏了
+STTN_SKIP_DETECTION = False
 # 相邻帧数, 调大会增加显存占用，效果变好
 STTN_NEIGHBOR_STRIDE = 10
 # 参考帧长度, 调大会增加显存占用，效果变好
diff --git a/backend/main.py b/backend/main.py
index 11edf0c..021b8b9 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -845,7 +845,7 @@ class SubtitleRemover:
                 audio_merge_command = [config.FFMPEG_PATH,
                                        "-y", "-i", self.video_temp_file.name,
                                        "-i", temp.name,
-                                       "-vcodec", "copy",
+                                       "-vcodec", "libx264" if config.USE_H264 else "copy",
                                        "-acodec", "copy",
                                        "-loglevel", "error", self.video_out_name]
                 try:
diff --git a/backend/tools/merge_video.py b/backend/tools/merge_video.py
index c87649a..6d456b3 100644
--- a/backend/tools/merge_video.py
+++ b/backend/tools/merge_video.py
@@ -22,8 +22,8 @@ def merge_video(video_input_path0, video_input_path1, video_output_path):
 
 
 if __name__ == '__main__':
-    v0_path = '../../test/test_2_low.mp4'
-    v1_path = '../../test/test_2_low_no_sub.mp4'
+    v0_path = '../../test/test4.mp4'
+    v1_path = '../../test/test4_no_sub.mp4'
     video_out_path = '../../test/demo.mp4'
     merge_video(v0_path, v1_path, video_out_path)
     # ffmpeg 命令 mp4转gif
diff --git a/test/test4.mp4 b/test/test4.mp4
new file mode 100644
index 0000000..7dacbfb
Binary files /dev/null and b/test/test4.mp4 differ