diff --git a/main_program/service/SrtFileService.go b/main_program/service/SrtFileService.go
index 2e02865..c31d1d6 100644
--- a/main_program/service/SrtFileService.go
+++ b/main_program/service/SrtFileService.go
@@ -35,7 +35,7 @@ func (srt *srtFileService) QuerySrtFilesByVideoId(videoId string) (srtFiles []en
 
 func (srt *srtFileService) QueryOneNotScanVideoIdByRegion(region string) (videoId string, err error) {
 	var srtFile entity.Srtfile
-	sqlStr := "SELECT Srtfile.* FROM Srtfile JOIN Videos ON Srtfile.videoId = Videos.videoId JOIN Channel ON Videos.channelId = Channel.channelId WHERE Channel.region = ? and Srtfile.isScan = 0;"
+	sqlStr := "SELECT Srtfile.* FROM Srtfile JOIN Videos ON Srtfile.videoId = Videos.videoId JOIN Channel ON Videos.channelId = Channel.channelId WHERE Channel.region = ? and Srtfile.isScan = 0 limit 1;"
 	result := common.MysqlDB.Raw(sqlStr, region).First(&srtFile)
 	if result.Error != nil {
 		return "", errors.New("no srtFile")