diff --git a/internal/models/objects.go b/internal/models/objects.go
index c93af89..7bef04c 100644
--- a/internal/models/objects.go
+++ b/internal/models/objects.go
@@ -48,11 +48,11 @@ type TrackBrief struct {
 	Duration        float32   `json:"duration"`
 	ReleaseDate     string    `json:"release_date"`
 	AcquireDatetime time.Time `json:"acquire_datetime"`
-	ISRC            string    `json:"isrc"`
 }
 
 type Track struct {
 	TrackBrief
+	ISRC   string `json:"isrc"`
 	Lyrics string `json:"lyrics"`
 	Info   string `json:"info"`
 }