diff --git a/config.yaml b/config.yaml
index 76ea750..fe2da71 100644
--- a/config.yaml
+++ b/config.yaml
@@ -32,6 +32,7 @@ disconnectAction:
   enabled: false
   thresholdMinutes: 5
   command: ""
+addSilentAudio: true
 preview:
   enabled: true
   hwaccel: ""
diff --git a/config/dto.go b/config/dto.go
index 88f8759..7942e1b 100644
--- a/config/dto.go
+++ b/config/dto.go
@@ -78,4 +78,5 @@ type MainConfig struct {
 	Viid             ViidConfig             `mapstructure:"viid"`
 	DisconnectAction DisconnectActionConfig `mapstructure:"disconnectAction"`
 	Preview          PreviewConfig          `mapstructure:"preview"`
+	AddSilentAudio   bool                   `mapstructure:"addSilentAudio"`
 }
diff --git a/util/ffmpeg.go b/util/ffmpeg.go
index fefe3ae..0dbd33b 100644
--- a/util/ffmpeg.go
+++ b/util/ffmpeg.go
@@ -334,15 +334,26 @@ func QuickVideoCut(ctx context.Context, inputFile string, offset, length float64
 		"-y",
 		"-ss", strconv.FormatFloat(offset, 'f', 2, 64),
 		"-i", inputFile,
-		"-f", "lavfi", "-i", "anullsrc=channel_layout=mono:sample_rate=44100",
-		"-c:v", "copy",
-		"-c:a", "aac",
-		"-shortest",
+	}
+	if config.Config.AddSilentAudio {
+		ffmpegCmd = append(ffmpegCmd,
+			"-f", "lavfi", "-i", "anullsrc=channel_layout=mono:sample_rate=44100",
+			"-c:v", "copy",
+			"-c:a", "aac",
+			"-shortest",
+		)
+	} else {
+		ffmpegCmd = append(ffmpegCmd,
+			"-c:v", "copy",
+			"-an",
+		)
+	}
+	ffmpegCmd = append(ffmpegCmd,
 		"-t", strconv.FormatFloat(length, 'f', 2, 64),
 		"-fflags", "+genpts",
 		"-f", "mp4",
 		outputFile,
-	}
+	)
 	return handleFfmpegProcess(subCtx, ffmpegCmd)
 }
 
@@ -378,15 +389,26 @@ func QuickConcatVideoCut(ctx context.Context, inputFiles []dto.File, offset, len
 		"-safe", "0",
 		"-ss", strconv.FormatFloat(offset, 'f', 2, 64),
 		"-i", tmpFile,
-		"-f", "lavfi", "-i", "anullsrc=channel_layout=mono:sample_rate=44100",
-		"-c:v", "copy",
-		"-c:a", "aac",
-		"-shortest",
+	}
+	if config.Config.AddSilentAudio {
+		ffmpegCmd = append(ffmpegCmd,
+			"-f", "lavfi", "-i", "anullsrc=channel_layout=mono:sample_rate=44100",
+			"-c:v", "copy",
+			"-c:a", "aac",
+			"-shortest",
+		)
+	} else {
+		ffmpegCmd = append(ffmpegCmd,
+			"-c:v", "copy",
+			"-an",
+		)
+	}
+	ffmpegCmd = append(ffmpegCmd,
 		"-t", strconv.FormatFloat(length, 'f', 2, 64),
 		"-fflags", "+genpts",
 		"-f", "mp4",
 		outputFile,
-	}
+	)
 	return handleFfmpegProcess(subCtx, ffmpegCmd)
 }
 
@@ -403,10 +425,13 @@ func SlowVideoCut(ctx context.Context, inputFiles []dto.File, offset, length flo
 		ffmpegCmd = append(ffmpegCmd, "-i", file.Url)
 	}
 
-	// 添加静音音频源作为额外输入
-	ffmpegCmd = append(ffmpegCmd, "-f", "lavfi", "-i", "anullsrc=channel_layout=mono:sample_rate=44100")
-
 	inputCount := len(inputFiles)
+
+	if config.Config.AddSilentAudio {
+		// 添加静音音频源作为额外输入
+		ffmpegCmd = append(ffmpegCmd, "-f", "lavfi", "-i", "anullsrc=channel_layout=mono:sample_rate=44100")
+	}
+
 	filterComplex := strings.Builder{}
 	for i := 0; i < inputCount; i++ {
 		filterComplex.WriteString(fmt.Sprintf("[%d:v]", i))
@@ -416,9 +441,19 @@ func SlowVideoCut(ctx context.Context, inputFiles []dto.File, offset, length flo
 	ffmpegCmd = append(ffmpegCmd,
 		"-filter_complex", filterComplex.String(),
 		"-map", "[v]",
-		"-map", fmt.Sprintf("%d:a", inputCount),
-		"-c:a", "aac",
-		"-shortest",
+	)
+
+	if config.Config.AddSilentAudio {
+		ffmpegCmd = append(ffmpegCmd,
+			"-map", fmt.Sprintf("%d:a", inputCount),
+			"-c:a", "aac",
+			"-shortest",
+		)
+	} else {
+		ffmpegCmd = append(ffmpegCmd, "-an")
+	}
+
+	ffmpegCmd = append(ffmpegCmd,
 		"-preset:v", "fast",
 		"-ss", strconv.FormatFloat(offset, 'f', 2, 64),
 		"-t", strconv.FormatFloat(length, 'f', 2, 64),