diff --git a/frontend/controllers/InsurerController.php b/frontend/controllers/InsurerController.php
index 4726329..3360495 100644
--- a/frontend/controllers/InsurerController.php
+++ b/frontend/controllers/InsurerController.php
@@ -930,6 +930,10 @@ class InsurerController extends BaseController
             $insurer2_no= trim($insurer2_no);
             $insurer2_no=str_replace(" ","",$insurer2_no);
 
+            if($insurer1_no == $insurer2_no) {
+                $result['msg'] = '商业保单号和交强保单号不能相同!';
+                return $result;
+            }
             $tmp_count = OrderT::find()
                 ->where('insurer1_no=:insurer1_no or insurer2_no=:insurer1_no', [':insurer1_no'=>$insurer1_no])
                 ->andWhere('id<>'.$order_id)