diff --git a/assets/js/admin.utils.js b/assets/js/admin.utils.js
index b2c67bd8..4fe65369 100644
--- a/assets/js/admin.utils.js
+++ b/assets/js/admin.utils.js
@@ -2,7 +2,7 @@
 * @Author: printempw
 * @Date:   2016-02-04 16:48:42
 * @Last Modified by:   printempw
-* @Last Modified time: 2016-04-03 08:35:15
+* @Last Modified time: 2016-04-03 09:12:46
 */
 
 'use strict';
@@ -40,12 +40,13 @@ function uploadTexture(uname, type) {
                     success: function(json) {
                         if (json.errno == 0) {
                             showAlert("上传成功。");
-                            if (type == "steve") $('[src="../skin/' + uname + '-steve.png"]').prop('src',
-                                $('[src="../skin/' + uname + '-steve.png"]').prop('src')+'?random');
-                            if (type == "alex")  $('[src="../skin/' + uname + '-alex.png"]').prop('src',
-                                $('[src="../skin/' + uname + '-alex.png"]').prop('src')+'?random');
-                            if (type == "cape")  $('[src="../cape/' + uname + '.png"]').prop('src',
-                                $('[src="../cape/' + uname + '.png"]').prop('src')+'?random');
+                            // refresh image
+                            if (type == "steve") $('#'+uname+'-steve').prop('src',
+                                '../skin/'+uname+'-steve.png?'+Math.round(Math.random() * 1000000));
+                            if (type == "alex")  $('#'+uname+'-alex').prop('src',
+                                '../skin/'+uname+'-alex.png?'+Math.round(Math.random() * 1000000));
+                            if (type == "cape")  $('#'+uname+'-cape').prop('src',
+                                '../cape/'+uname+'-.png?'+Math.round(Math.random() * 1000000));
                         } else {
                             showAlert("上传材质的时候出错啦：\n" + json.msg);
                         }
@@ -87,9 +88,9 @@ function deleteTexture(uname) {
                         if (json.errno == 0) {
                             showAlert(json.msg);
                             // remove DOM
-                            if (steve) $('[src="../skin/' + uname + '-steve.png"]').remove();
-                            if (alex)  $('[src="../skin/' + uname + '-alex.png"]').remove();
-                            if (cape)  $('[src="../cape/' + uname + '.png"]').remove();
+                            if (steve) $('#' + uname + '-steve').remove();
+                            if (alex)  $('#' + uname + '-alex ').remove();
+                            if (cape)  $('#' + uname + '-cape ').remove();
                         } else {
                             showAlert(json.msg);
                         }
diff --git a/assets/js/index.utils.js b/assets/js/index.utils.js
index 5c7a2a50..fc460590 100644
--- a/assets/js/index.utils.js
+++ b/assets/js/index.utils.js
@@ -2,12 +2,12 @@
 * @Author: printempw
 * @Date:   2016-01-21 13:55:44
 * @Last Modified by:   printempw
-* @Last Modified time: 2016-04-03 08:13:36
+* @Last Modified time: 2016-04-03 09:29:41
 */
 
 'use strict';
 
-function login(silent = false) {
+function login(silent) {
     var uname = $("#uname").val();
     var passwd = $("#passwd").val();
     if (checkForm("login", uname, passwd)) {
@@ -20,7 +20,6 @@ function login(silent = false) {
                 $('#login-button').html('<i class="fa fa-spinner fa-spin"></i> 登录中').prop('disabled', 'disabled');
             },
             success: function(json) {
-                console.log(json);
                 if (json.errno == 0) {
                     docCookies.setItem('uname', uname, null, '/');
                     docCookies.setItem('token', json.token, null, '/');
@@ -134,6 +133,6 @@ $('body').on('keypress', '[data-remodal-id=register-modal]', function(event){
 
 // Login Event
 $('body').on('keypress', '[data-remodal-id=login-modal]', function(event){
-    if (event.which == 13) login();
-}).on('click', '#login-button', login);
+    if (event.which == 13) login(false);
+}).on('click', '#login-button', function() { login(false); });
 
diff --git a/templates/admin/list.tpl.php b/templates/admin/list.tpl.php
index 000fc97b..72ea1c28 100644
--- a/templates/admin/list.tpl.php
+++ b/templates/admin/list.tpl.php
@@ -52,9 +52,9 @@
                             <td><?php echo $row['uid']; ?></td>
                             <td><?php echo $row['username']; ?></td>
                             <td>
-                                <img width="64" <?php if ($row['hash_steve']): ?>src="../skin/<?php echo $row['username']; ?>-steve.png"<?php endif; ?> />
-                                <img width="64" <?php if ($row['hash_alex']): ?>src="../skin/<?php echo $row['username']; ?>-alex.png"<?php endif; ?> />
-                                <img width="64" <?php if ($row['hash_cape']): ?>src="../cape/<?php echo $row['username']; ?>.png"<?php endif; ?> />
+                                <img id="<?php echo $row['username']; ?>-steve" width="64" <?php if ($row['hash_steve']): ?>src="../skin/<?php echo $row['username']; ?>-steve.png"<?php endif; ?> />
+                                <img id="<?php echo $row['username']; ?>-alex"  width="64" <?php if ($row['hash_alex']): ?>src="../skin/<?php echo $row['username']; ?>-alex.png"<?php endif; ?> />
+                                <img id="<?php echo $row['username']; ?>-cape"  width="64" <?php if ($row['hash_cape']): ?>src="../cape/<?php echo $row['username']; ?>.png"<?php endif; ?> />
                             </td>
                             <td>
                                 <a href="javascript:uploadSkin('<?php echo $row['username']; ?>');" class="btn btn-primary btn-sm">皮肤</a>
diff --git a/templates/admin/show.tpl.php b/templates/admin/show.tpl.php
index d6e810e6..83dc444b 100644
--- a/templates/admin/show.tpl.php
+++ b/templates/admin/show.tpl.php
@@ -26,8 +26,8 @@
                                 if (User::checkValidUname($_POST['username']) &&
                                     ($_POST['model_preference'] == 'default' || $_POST['model_preference'] == 'slim'))
                                 {
-                                    $db->update($user->uname, 'username', $_POST['username']);
-                                    $db->update($user->uname, 'preference', $_POST['model_preference']);
+                                    $db->update('username', $_POST['username'], ['where' => "username='$user->uname'"]);
+                                    $db->update('preference', $_POST['model_preference'], ['where' => "username='$user->uname'"]);
                                     echo '<div class="callout callout-success">设置已保存。</div>';
                                 } else {
                                     echo '<div class="callout callout-danger">无效的用户名或优先模型。</div>';