优化错误返回5

app/Http/Controllers/Admin/ParkingSpaceController.php

@@ -389,8 +389,12 @@ class ParkingSpaceController extends BaseController
                 $end_time
             );
             return $this->responseService->success('', __('admin.save_succeeded'));
-        } catch (ValidationException|CustomException $e) {
+        } catch (ValidationException $e) {
             throw $e;
+        }  catch (CustomException $e) {
+            return $this->responseService->systemError(
+                $e->getMessage()
+            );
         }  catch (Exception $e) {
             $m_prefix = __('exception.exception_handler.resource');
             return $this->responseService->systemError(