优化错误返回2

app/Services/ParkingSpaceService.php

@@ -399,7 +399,7 @@ class ParkingSpaceService extends BaseService
             );
             DB::commit();
             return $model;
-        } catch (Exception $e) {
+        } catch (Exception|CustomException $e) {
             DB::rollBack();
             throw $e;
         }