diff --git a/Application/Admin/Controller/UserController.class.php b/Application/Admin/Controller/UserController.class.php
index b746bcf91..5dab9e377 100644
--- a/Application/Admin/Controller/UserController.class.php
+++ b/Application/Admin/Controller/UserController.class.php
@@ -380,6 +380,13 @@ class UserController extends AdminController
             if (!preg_match($pattern, $_POST['email'])) {
                 $this->error('邮箱格式不正确！');
             }
+
+            if($_POST['mobile']) {
+                $mobile_data = M("ucenter_member")->where(['mobile'=>$_POST['mobile']])->find();
+                if ($mobile_data) {
+                    $this->error('该手机号码已经添加过！');
+                }
+            }
 //            if (isset($_POST['mobile']) && $_POST['mobile'] != '') {
 //                $dx = A('Phone');
 //                $res = $dx->check_tel_code($_POST['mobile'], $_POST['code']);