diff --git a/app/model/Customer.php b/app/model/Customer.php
index 0fd1897..83367a3 100644
--- a/app/model/Customer.php
+++ b/app/model/Customer.php
@@ -5,6 +5,8 @@ namespace app\model;
 
 use app\util\Util;
 use config\constants\Constants;
+use DateTimeInterface;
+use Illuminate\Support\Carbon;
 use support\Model;
 use Illuminate\Database\Eloquent\SoftDeletes;
 
@@ -47,6 +49,16 @@ class Customer extends Model
 //        'created_at' => 'timestamp', // 指定序列化格式
     ];
 
+    /**
+     * 重新格式化时间
+     * @param DateTimeInterface $date
+     * @return string
+     */
+    protected function serializeDate(DateTimeInterface $date): string
+    {
+        return $date->format(Carbon::parse($date)->toDateTimeString());
+    }
+
     public static function getCustomer($customer)
     {
         $customer['grade_txt'] = Constants::GRADE[$customer['grade']];
diff --git a/app/util/Util.php b/app/util/Util.php
index 7997abe..77a5e81 100644
--- a/app/util/Util.php
+++ b/app/util/Util.php
@@ -7,6 +7,7 @@ use Firebase\JWT\Key;
 use Firebase\JWT\ExpiredException;
 use Firebase\JWT\SignatureInvalidException;
 use support\exception\BusinessException;
+use support\Log;
 use support\Request;
 
 class Util
@@ -30,7 +31,7 @@ class Util
     public static function getParam(Request $request,$param,$default='')
     {
         $param = $request->input($param,$default);
-        if(empty($default)&&$default!==''){
+        if(empty($param) && $default!==''){
             $param = $default;
         }
         return $param;