diff --git a/app/common/service/JsonService.php b/app/common/service/JsonService.php
index 12ea10f..7188e35 100644
--- a/app/common/service/JsonService.php
+++ b/app/common/service/JsonService.php
@@ -8,6 +8,7 @@ use app\common\enum\ExportEnum;
 use app\common\exception\HttpException;
 use app\common\lists\BaseDataLists;
 use app\common\lists\ListsExcelInterface;
+use app\common\lists\ListsExtendInterface;
 use support\Response;
 
 class JsonService