diff --git a/util/ffmpeg.go b/util/ffmpeg.go
index 46f82fd..53a2536 100644
--- a/util/ffmpeg.go
+++ b/util/ffmpeg.go
@@ -71,7 +71,7 @@ func runFfmpegForMultipleFile1(ctx context.Context, task *dto.FfmpegTask) bool {
 		wg.Add(1)
 		go func(file *dto.File) {
 			defer wg.Done()
-			tmpFile := path.Join(os.TempDir(), file.Name+".ts")
+			tmpFile := path.Join(os.TempDir(), file.Name+strconv.Itoa(rand.Int())+".ts")
 			result, err := convertMp4ToTs(subCtx, *file, tmpFile)
 			if err != nil {
 				log.Printf("转码出错: %v", err)