diff --git a/extend/service/CarInfoHandle.php b/extend/service/CarInfoHandle.php
index 7c9ae4d..3ce7240 100644
--- a/extend/service/CarInfoHandle.php
+++ b/extend/service/CarInfoHandle.php
@@ -335,28 +335,26 @@ class CarInfoHandle
                             $sources = [];
                             break;
                         } else if ($source_a['car_phone'] == $source['car_phone']) {
-                            foreach (['car_no', 'engine_no', 'register_date', 'insurer1_date'] as $key) {
-                                if ($source_a[$key] != $source[$key]) {
-                                    if (trim($source_a[$key]) == '') {
-                                        list($source_a, $source) = [$source, $source_a];
-                                        CarInfoT::destroy($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;
-                                    }
-                                }
+                            if ($source_a['insurer1_date'] != $source['insurer1_date'] && (trim($source_a['insurer1_date']) == '' || $source_a['insurer1_date'] < $source['insurer1_date'])) {
+                                list($source_a, $source) = [$source, $source_a];
+                                CarInfoT::destroy($source['id']);
+                                unset($sources[$index]);
+                            } else if ($source_a['insurer2_date'] != $source['insurer2_date'] && (trim($source_a['insurer2_date']) == '' || $source_a['insurer2_date'] < $source['insurer2_date'])) {
+                                list($source_a, $source) = [$source, $source_a];
+                                CarInfoT::destroy($source['id']);
+                                unset($sources[$index]);
+                            } else if ($source_a['car_no'] != $source['car_no'] && (trim($source_a['car_no']) == '' || !in_array(strlen($source_a['car_no']), [7,8]))) {
+                                list($source_a, $source) = [$source, $source_a];
+                                CarInfoT::destroy($source['id']);
+                                unset($sources[$index]);
+                            }
+                            if (isset($source[$index])) {
+                                CarInfoT::destroy($source['id']);
+                                unset($sources[$index]);
                             }
                         } else if (!preg_match('/^1[3-9][0-9]{9}/', $source['car_phone'])) {
                             CarInfoT::destroy($source['id']);
                             unset($sources[$index]);
-                        } else if (CarInfoT::where('car_phone', $source['car_phone'])->count() >= 6) {
-                            CarInfoT::destroy($source['id']);
-                            CarInfoT::where('car_phone', $source['car_phone'])->update(['car_phone' => '']);
-                            unset($sources[$index]);
                         }
                     }
                     if (empty($sources))