diff --git a/repository/park.go b/repository/park.go
index bfc8881..4692d39 100644
--- a/repository/park.go
+++ b/repository/park.go
@@ -13,7 +13,7 @@ type _ParkRepository struct{}
 var ParkRepo _ParkRepository
 
 func (_ParkRepository) ListAllParkBelongsTo(uid string) ([]model.Park, error) {
-	var parks []model.Park
+	parks := make([]model.Park, 0)
 	err := global.DBConn.
 		Where(builder.Eq{"user_id": uid}).
 		NoAutoCondition().