diff --git a/application/admin/lang/zh-cn/index.php b/application/admin/lang/zh-cn/index.php
index 06c3ae54..1610c98b 100644
--- a/application/admin/lang/zh-cn/index.php
+++ b/application/admin/lang/zh-cn/index.php
@@ -25,6 +25,7 @@ return [
     'Username or password can not be empty'                      => '用户名密码不能为空',
     'Username or password is incorrect'                          => '用户名或密码不正确',
     'Username is incorrect'                                      => '用户名不正确',
+    'Username is locked'                                         => '用户名已锁定，请联系管理员',
     'Password is incorrect'                                      => '密码不正确',
     'Please try again after 1 day'                               => '请于1天后再尝试登录',
     'Login successful'                                           => '登录成功!',
diff --git a/application/admin/library/Auth.php b/application/admin/library/Auth.php
index e1991eb6..48261fc3 100644
--- a/application/admin/library/Auth.php
+++ b/application/admin/library/Auth.php
@@ -43,6 +43,10 @@ class Auth extends \fast\Auth
             $this->setError('Username is incorrect');
             return false;
         }
+        if ($admin->status == 'locked') {
+            $this->setError('Username is locked');
+            return false;
+        }
         if (Config::get('fastadmin.login_failure_retry') && $admin->loginfailure >= 10 && time() - $admin->updatetime < 86400) {
             $this->setError('Please try again after 1 day');
             return false;
diff --git a/application/admin/view/auth/admin/add.html b/application/admin/view/auth/admin/add.html
index 99a39996..6098c25d 100644
--- a/application/admin/view/auth/admin/add.html
+++ b/application/admin/view/auth/admin/add.html
@@ -32,7 +32,7 @@
     <div class="form-group">
         <label class="control-label col-xs-12 col-sm-2">{:__('Status')}:</label>
         <div class="col-xs-12 col-sm-8">
-            {:build_radios('row[status]', ['normal'=>__('Normal'), 'hidden'=>__('Hidden')])}
+            {:build_radios('row[status]', ['normal'=>__('Normal'), 'locked'=>__('Locked')])}
         </div>
     </div>
     <div class="form-group hidden layer-footer">
diff --git a/application/admin/view/auth/admin/edit.html b/application/admin/view/auth/admin/edit.html
index 428e9766..04e372d1 100644
--- a/application/admin/view/auth/admin/edit.html
+++ b/application/admin/view/auth/admin/edit.html
@@ -38,7 +38,7 @@
     <div class="form-group">
         <label class="control-label col-xs-12 col-sm-2">{:__('Status')}:</label>
         <div class="col-xs-12 col-sm-8">
-            {:build_radios('row[status]', ['normal'=>__('Normal'), 'hidden'=>__('Hidden')], $row['status'])}
+            {:build_radios('row[status]', ['normal'=>__('Normal'), 'locked'=>__('Locked')], $row['status'])}
         </div>
     </div>
     <div class="form-group hidden layer-footer">
diff --git a/public/assets/css/backend.css b/public/assets/css/backend.css
index 9870978d..5b3f9bf0 100644
--- a/public/assets/css/backend.css
+++ b/public/assets/css/backend.css
@@ -554,14 +554,14 @@ form.form-horizontal .control-label {
   float: left;
   background: none;
   margin-left: 0;
-  width: 80px;
+  /*width: 80px;*/
   clear: none;
 }
 #treeview .jstree-leaf {
   float: left;
   margin-left: 0;
   padding-left: 24px;
-  width: 80px;
+  /*width: 80px;*/
   clear: none;
   color: #777;
 }
diff --git a/public/assets/js/backend/general/attachment.js b/public/assets/js/backend/general/attachment.js
index 7118da62..a4c0b6cc 100644
--- a/public/assets/js/backend/general/attachment.js
+++ b/public/assets/js/backend/general/attachment.js
@@ -30,7 +30,7 @@ define(['jquery', 'bootstrap', 'backend', 'form', 'table'], function ($, undefin
                         {field: 'imageheight', title: __('Imageheight'), sortable: true},
                         {field: 'imagetype', title: __('Imagetype'), formatter:Table.api.formatter.search},
                         {field: 'storage', title: __('Storage'), formatter: Table.api.formatter.search},
-                        {field: 'filesize', title: __('Filesize'), operate: 'BETWEEN', sortable: true},
+                        {field: 'filesize', title: __('Filesize'), operate: 'BETWEEN', sortable: true, formatter: Table.api.formatter.filesize},
                         {field: 'mimetype', title: __('Mimetype'), formatter:Table.api.formatter.search},
                         {
                             field: 'createtime',
diff --git a/public/assets/js/require-table.js b/public/assets/js/require-table.js
index 9fcb0962..c3f611eb 100644
--- a/public/assets/js/require-table.js
+++ b/public/assets/js/require-table.js
@@ -458,6 +458,19 @@ define(['jquery', 'bootstrap', 'moment', 'moment/locale/zh-cn', 'bootstrap-table
                     } else {
                         return value ? Moment(parseInt(value) * 1000).format(datetimeFormat) : __('None');
                     }
+                },				
+				filesize: function (value, row, index) {
+                    if(value == null || value == ''){
+                        return "0 Bytes";
+                    }
+                    var unitArr = new Array("Bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB");
+                    var i = 0;
+                    var srcsize = parseFloat(value);
+                    i = Math.floor(Math.log(srcsize) / Math.log(1024));
+                    var size = srcsize / Math.pow(1024,i);
+					//保留的小数位数
+                    size = size.toFixed(2);
+                    return size + unitArr[i];
                 },
                 operate: function (value, row, index) {
                     var table = this.table;