diff --git a/cmd/internal/dao/artistinfo_artwork.go b/cmd/internal/dao/artistinfo_artwork.go
index d356450..1897e53 100644
--- a/cmd/internal/dao/artistinfo_artwork.go
+++ b/cmd/internal/dao/artistinfo_artwork.go
@@ -333,6 +333,9 @@ func CountAllArtworkTotal(artistUid string) (artworkTotal int64, artworkRulerTot
 }
 
 func UpdateArtworkExtData(request *artistInfoArtwork.ArtworkExtData) (err error) {
+	if request.ArtworkUid == "" {
+		return errors.New("画作uid不能为空")
+	}
 	err = db.DB.Model(model.ArtworkLockRecord{}).Where("artwork_uid = ?", request.ArtworkUid).Update("national_exhibition", request.NationalExhibition).Error
 	return
 }