diff --git a/Application/Sdk/Controller/UserController.class.php b/Application/Sdk/Controller/UserController.class.php
index 42799b94..aec56b7f 100644
--- a/Application/Sdk/Controller/UserController.class.php
+++ b/Application/Sdk/Controller/UserController.class.php
@@ -920,6 +920,15 @@ class UserController extends BaseController
                 $data['phone'] = $user['phone'];
                 break;
             case 'nickname':
+                $nickname_len = $user['nickname'];
+                $encode = mb_detect_encoding($user['nickname'], array('UTF-8','GB2312','GBK'));
+                if($encode == "UTF-8"){
+                    $nickname_len =  @iconv('UTF-8','GB18030',$user['nickname']);
+                }
+
+                if(strlen($nickname_len) > 16){
+                    $this -> set_message(1001, "fail", "名称过长");
+                }
                 $nk = M('User', 'tab_') -> field('id,account,nickname') -> where(['nickname' => $user['nickname']]) -> find();
                 if (!empty($nk) && is_array($nk) && $user['user_id'] != $nk['id']) {
                     $this -> new_set_message(1012, "昵称已被使用");
@@ -1154,16 +1163,8 @@ class UserController extends BaseController
     {
 
         $user = json_decode(base64_decode(file_get_contents("php://input")), true);
-        
-        $role_name = $user['role_name'];
-        $encode = mb_detect_encoding($user['role_name'], array('UTF-8','GB2312','GBK'));
-        if($encode == "UTF-8"){
-            $role_name =  @iconv('UTF-8','GB18030',$user['role_name']);
-        }
 
-        if(strlen($role_name) > 16){
-            $this -> set_message(1001, "fail", "名称过长");
-        }
+        
 
         if (empty($user)) {