diff --git a/Application/Admin/Controller/UserController.class.php b/Application/Admin/Controller/UserController.class.php
index ab6d28ccf..55a3f4f52 100644
--- a/Application/Admin/Controller/UserController.class.php
+++ b/Application/Admin/Controller/UserController.class.php
@@ -293,7 +293,7 @@ class UserController extends AdminController
 
             $moblieUser = SM('UcenterMember', 'sys_')->field('id')->where(['mobile' => $_POST['mobile']])->find();
 
-            if (!empty($moblieUser)) {
+            if (!empty($moblieUser)&&$_POST['mobile']) {
                 $this->error('手机号码已存在！');
             }