diff --git a/extend/service/CarInfoHandle.php b/extend/service/CarInfoHandle.php
index c79940d..459f932 100644
--- a/extend/service/CarInfoHandle.php
+++ b/extend/service/CarInfoHandle.php
@@ -389,20 +389,20 @@ class CarInfoHandle
         ];
         $is_update_failed = 0;
         for ($row = 2; $row <= $highestRow; $row++) {
-            $car_no = trim($worksheet->getCellByColumnAndRow(1, $row)->getValue());
-            $car_number = trim($worksheet->getCellByColumnAndRow(4, $row)->getValue());
-            $car_man = trim($worksheet->getCellByColumnAndRow(5, $row)->getValue());
-            $factory_model = trim($worksheet->getCellByColumnAndRow(10, $row)->getValue());
-            $engine_no = trim($worksheet->getCellByColumnAndRow(3, $row)->getValue());
-            $car_frame_no = trim($worksheet->getCellByColumnAndRow(2, $row)->getValue());
-            $register_date = substr(trim($worksheet->getCellByColumnAndRow(11, $row)->getValue()), 0, 10);
-            $company = trim($worksheet->getCellByColumnAndRow(12, $row)->getValue());
-            $insurer1_date = substr(trim($worksheet->getCellByColumnAndRow(14, $row)->getValue()), 0, 10);
-            $insurer2_date = substr(trim($worksheet->getCellByColumnAndRow(13, $row)->getValue()), 0, 10);
-            $id_man = trim($worksheet->getCellByColumnAndRow(7, $row)->getValue());
-            $id_number = trim($worksheet->getCellByColumnAndRow(6, $row)->getValue());
-            $insured_man = trim($worksheet->getCellByColumnAndRow(9, $row)->getValue());
-            $insured_number = trim($worksheet->getCellByColumnAndRow(8, $row)->getValue());
+            $car_no = trim($worksheet->getCellByColumnAndRow(1, $row)->getValue()?:'');
+            $car_number = trim($worksheet->getCellByColumnAndRow(4, $row)->getValue()?:'');
+            $car_man = trim($worksheet->getCellByColumnAndRow(5, $row)->getValue()?:'');
+            $factory_model = trim($worksheet->getCellByColumnAndRow(10, $row)->getValue()?:'');
+            $engine_no = trim($worksheet->getCellByColumnAndRow(3, $row)->getValue()?:'');
+            $car_frame_no = trim($worksheet->getCellByColumnAndRow(2, $row)->getValue()?:'');
+            $register_date = substr(trim($worksheet->getCellByColumnAndRow(11, $row)->getValue()?:''), 0, 10);
+            $company = trim($worksheet->getCellByColumnAndRow(12, $row)->getValue()?:'');
+            $insurer1_date = substr(trim($worksheet->getCellByColumnAndRow(14, $row)->getValue()?:''), 0, 10);
+            $insurer2_date = substr(trim($worksheet->getCellByColumnAndRow(13, $row)->getValue()?:''), 0, 10);
+            $id_man = trim($worksheet->getCellByColumnAndRow(7, $row)->getValue()?:'');
+            $id_number = trim($worksheet->getCellByColumnAndRow(6, $row)->getValue()?:'');
+            $insured_man = trim($worksheet->getCellByColumnAndRow(9, $row)->getValue()?:'');
+            $insured_number = trim($worksheet->getCellByColumnAndRow(8, $row)->getValue()?:'');
 
             if ($car_frame_no == '') {
                 continue;