diff --git a/app/crm/service/CustomerService.php b/app/crm/service/CustomerService.php
index e411984..e781f68 100644
--- a/app/crm/service/CustomerService.php
+++ b/app/crm/service/CustomerService.php
@@ -88,7 +88,7 @@ class CustomerService
         foreach ($customer as &$item) {
             $item = $this->getCustomer($item);
             if($seas == 'seas'){
-                $item['seas_time'] = time()-strtotime($item['deleted_at']);
+                $item['seas_time'] = time()-(empty($item['deleted_at'])?0:strtotime($item['deleted_at']));
             }
         }
         unset($item);