修改密码

app/admin/controller/user/Index.php

@@ -121,6 +121,8 @@ class Index extends Backend
            if(!empty($params['password'])) {
                 $params['salt'] = str_rand(4);
                 $params['password']= md5(md5($params['password'].$params['salt'])) ;
+            }else{
+                unset($params['password']);
             }
             $result = $row->save($params);
             if($this->callback){