diff --git a/app/crmAdmin/controller/CustomerController.php b/app/crmAdmin/controller/CustomerController.php
index d08efbf..153941a 100644
--- a/app/crmAdmin/controller/CustomerController.php
+++ b/app/crmAdmin/controller/CustomerController.php
@@ -44,14 +44,10 @@ class CustomerController extends BaseController
      */
     public function export(Request $request)
     {
-        set_time_limit(300);
         try {
             $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']);
diff --git a/app/crmAdmin/service/CustomerService.php b/app/crmAdmin/service/CustomerService.php
index 17ae60f..07681cd 100644
--- a/app/crmAdmin/service/CustomerService.php
+++ b/app/crmAdmin/service/CustomerService.php
@@ -84,6 +84,8 @@ class CustomerService
 
         if (!empty($user_id)) {
             $query->whereIn('user_id', explode(',', $user_id));
+        } elseif ($user_id === 0 && $export) {
+            $query->where('user_id', 0);
         }
 
         if (!empty($tagId)) {
@@ -137,6 +139,9 @@ class CustomerService
 
     public function export($params)
     {
+        if(empty($param['user_id']) && empty($param['tag_id'])){
+            $params['user_id'] = 0;
+        }
         $customers = $this->search($params, true);
 
         // 创建新的Spreadsheet对象