diff --git a/server/dao/db.go b/server/dao/db.go
index b5b08d0..a16177e 100644
--- a/server/dao/db.go
+++ b/server/dao/db.go
@@ -60,6 +60,7 @@ func init() {
 		&model.Activity{},
 		&model.Collection{},
 		&model.CollectionResource{},
+		&model.Charactor{},
 	)
 }
 
diff --git a/server/dao/image.go b/server/dao/image.go
index 5882654..3cf4bc7 100644
--- a/server/dao/image.go
+++ b/server/dao/image.go
@@ -47,6 +47,7 @@ func GetUnusedImages() ([]model.Image, error) {
 		Where("NOT EXISTS (SELECT 1 FROM resource_images WHERE image_id = images.id)").
 		Where("NOT EXISTS (SELECT 1 FROM comment_images WHERE image_id = images.id)").
 		Where("NOT EXISTS (SELECT 1 FROM collection_images WHERE image_id = images.id)").
+		Where("NOT EXISTS (SELECT 1 FROM charactors WHERE image_id = images.id)").
 		Where("created_at < ?", oneDayAgo).
 		Find(&images).Error; err != nil {
 		if errors.Is(err, gorm.ErrRecordNotFound) {