diff --git a/extend/service/CarInfoHandle.php b/extend/service/CarInfoHandle.php
index 3d1a1c6..4a05405 100644
--- a/extend/service/CarInfoHandle.php
+++ b/extend/service/CarInfoHandle.php
@@ -38,7 +38,7 @@ class CarInfoHandle
         cache('shell_process_' . $id, 0, 300);
         Db::execute('ALTER TABLE car_info_t DISABLE KEYS;');
         for ($i = 2; $i < $lines; $i += 2000) {
-            $insert_data = FileSystem::getFileBlockData($filename, $i, $i + 2000, function ($str) use ($id) {
+            $insert_data = FileSystem::getFileBlockData($filename, $i, $i + 1999, function ($str) use ($id) {
                 $keys = ['duty_no', 'register_date', 'car_man', 'car_number', 'car_phone', 'car_frame_no', 'car_no', 'engine_no', 'factory_model', 'purchase_price', 'source'];
                 $keys_len = count($keys);
                 $arr = explode(',', $str);
@@ -47,7 +47,7 @@ class CarInfoHandle
                 });
                 $values = array_slice($arr, 0, $keys_len);
                 $values[$keys_len - 1] = $id;
-	      $data = array_combine($keys, $values);
+                $data = array_combine($keys, $values);
                 $data['register_date'] = date('Y-m-d', strtotime($data['register_date']));
                 return $data;
             });
@@ -490,8 +490,6 @@ class CarInfoHandle
                 'create_timestamp' => $now,
                 'update_timestamp' => $now
             ];
-
-
             if ($row >= 1000) {
                 Db::name('car_info_t')->insertAll($row_array);
                 cache('shell_process_' . $id, round(($row - 1) / $highestRow * 100, 3), 300);