diff --git a/app/crmAdmin/controller/CustomerController.php b/app/crmAdmin/controller/CustomerController.php
index ba2d213..d08efbf 100644
--- a/app/crmAdmin/controller/CustomerController.php
+++ b/app/crmAdmin/controller/CustomerController.php
@@ -49,6 +49,9 @@ class CustomerController extends BaseController
             $param = $request->all();
 //            $corp = Corp::where(['abbr' => $request->basic_data['corp_abbr']])->first();
 //            $param['corp_abbr'] = $corp->id;
+            if(empty($param['user_id']) && empty($param['tag_id'])){
+                return $this->error('请勿一次性下载所有数据，请筛选后下载需要的数据');
+            }
 
             $result = (new CustomerService())->export($param);
             $excelContent = file_get_contents($result['filepath']);