diff --git a/ext/twitter/main.go b/ext/twitter/main.go
index 5b6d921..9b1fdbd 100644
--- a/ext/twitter/main.go
+++ b/ext/twitter/main.go
@@ -91,11 +91,12 @@ func MediaListFromAPI(ctx *models.DownloadContext) ([]*models.Media, error) {
 	caption := CleanCaption(tweetData.FullText)
 
 	var mediaEntities []MediaEntity
-	if tweetData.ExtendedEntities != nil && len(tweetData.ExtendedEntities.Media) > 0 {
+	switch {
+	case tweetData.ExtendedEntities != nil && len(tweetData.ExtendedEntities.Media) > 0:
 		mediaEntities = tweetData.ExtendedEntities.Media
-	} else if tweetData.Entities != nil && len(tweetData.Entities.Media) > 0 {
+	case tweetData.Entities != nil && len(tweetData.Entities.Media) > 0:
 		mediaEntities = tweetData.Entities.Media
-	} else {
+	default:
 		return nil, nil
 	}
 
@@ -190,11 +191,12 @@ func GetTweetAPI(
 	}
 
 	var tweet *Tweet
-	if result.Tweet != nil {
+	switch {
+	case result.Tweet != nil:
 		tweet = result.Tweet
-	} else if result.Legacy != nil {
+	case result.Legacy != nil:
 		tweet = result.Legacy
-	} else {
+	default:
 		return nil, errors.New("failed to get tweet data")
 	}
 	return tweet, nil
diff --git a/util/parser/m3u8.go b/util/parser/m3u8.go
index 8cf5ff7..2db1c2e 100644
--- a/util/parser/m3u8.go
+++ b/util/parser/m3u8.go
@@ -246,33 +246,37 @@ func parseVariantType(
 }
 
 func getVideoCodec(codecs string) enums.MediaCodec {
-	if strings.Contains(codecs, "avc") || strings.Contains(codecs, "h264") {
+	switch {
+	case strings.Contains(codecs, "avc"), strings.Contains(codecs, "h264"):
 		return enums.MediaCodecAVC
-	} else if strings.Contains(codecs, "hvc") || strings.Contains(codecs, "h265") {
+	case strings.Contains(codecs, "hvc"), strings.Contains(codecs, "h265"):
 		return enums.MediaCodecHEVC
-	} else if strings.Contains(codecs, "av01") {
+	case strings.Contains(codecs, "av01"):
 		return enums.MediaCodecAV1
-	} else if strings.Contains(codecs, "vp9") {
+	case strings.Contains(codecs, "vp9"):
 		return enums.MediaCodecVP9
-	} else if strings.Contains(codecs, "vp8") {
+	case strings.Contains(codecs, "vp8"):
 		return enums.MediaCodecVP8
+	default:
+		return ""
 	}
-	return ""
 }
 
 func getAudioCodec(codecs string) enums.MediaCodec {
-	if strings.Contains(codecs, "mp4a") {
+	switch {
+	case strings.Contains(codecs, "mp4a"):
 		return enums.MediaCodecAAC
-	} else if strings.Contains(codecs, "opus") {
+	case strings.Contains(codecs, "opus"):
 		return enums.MediaCodecOpus
-	} else if strings.Contains(codecs, "mp3") {
+	case strings.Contains(codecs, "mp3"):
 		return enums.MediaCodecMP3
-	} else if strings.Contains(codecs, "flac") {
+	case strings.Contains(codecs, "flac"):
 		return enums.MediaCodecFLAC
-	} else if strings.Contains(codecs, "vorbis") {
+	case strings.Contains(codecs, "vorbis"):
 		return enums.MediaCodecVorbis
+	default:
+		return ""
 	}
-	return ""
 }
 
 func resolveURL(base *url.URL, uri string) string {