diff --git a/extend/service/CarInfoHandle.php b/extend/service/CarInfoHandle.php
index 5d24152..9961bea 100644
--- a/extend/service/CarInfoHandle.php
+++ b/extend/service/CarInfoHandle.php
@@ -348,6 +348,11 @@ class CarInfoHandle
                                         CarInfoT::destroy($source['id']);
                                         unset($sources[$index]);
                                         break;
+                                    } else if ($key == 'car_no' && !in_array(strlen($source_a[$key]), [7,8])) {
+                                        list($source_a, $source) = [$source, $source_a];
+                                        CarInfoT::destroy($source['id']);
+                                        unset($sources[$index]);
+                                        break;
                                     }
                                 }
                             }
@@ -489,7 +494,7 @@ class CarInfoHandle
                 'car_number' => $worksheet->getCellByColumnAndRow(4, $row)->getValue(),
                 'car_phone' => $worksheet->getCellByColumnAndRow(5, $row)->getValue(),
                 'car_frame_no' => $worksheet->getCellByColumnAndRow(6, $row)->getValue(),
-                'car_no' => $worksheet->getCellByColumnAndRow(7, $row)->getValue(),
+                'car_no' => str_replace('-', '', $worksheet->getCellByColumnAndRow(7, $row)->getValue()),
                 'engine_no' => $worksheet->getCellByColumnAndRow(8, $row)->getValue(),
                 'factory_model' => $worksheet->getCellByColumnAndRow(9, $row)->getValue(),
                 'purchase_price' => $worksheet->getCellByColumnAndRow(10, $row)->getValue(),