修改

app/Service/ApplyOrderService.php

@@ -1307,16 +1307,16 @@ class ApplyOrderService extends Service
             ->max(DB::raw('CAST(order_number AS SIGNED)'));
 
         if(empty($order_number)){
-            $number = str_pad(1,3,'0',STR_PAD_LEFT);
+            $number = str_pad(1,4,'0',STR_PAD_LEFT);
             $number = $str . $number;
         }else{
-            $tmp = substr($order_number, -3);
+            $tmp = substr($order_number, -4);
             $tmp = $tmp + 1;
 
             //超过999
 //            if(strlen($tmp) > 3) return '';
 
-            $number = str_pad($tmp,3,'0',STR_PAD_LEFT);
+            $number = str_pad($tmp,4,'0',STR_PAD_LEFT);
             $number = $str . $number;
         }