diff --git a/admin/admin_ajax.php b/admin/admin_ajax.php
index 24687cb9..bedbdc19 100644
--- a/admin/admin_ajax.php
+++ b/admin/admin_ajax.php
@@ -2,8 +2,8 @@
 /**
  * @Author: prpr
  * @Date:   2016-02-04 13:53:55
- * @Last Modified by:   prpr
- * @Last Modified time: 2016-02-08 22:06:43
+ * @Last Modified by:   printempw
+ * @Last Modified time: 2016-03-06 15:34:29
  */
 require "../includes/session.inc.php";
 
@@ -38,10 +38,24 @@ if (isset($_GET['action'])) {
             $json['errno'] = 0;
             $json['msg'] = "成功更改了 ".$_GET['uname']." 的密码。";
         } // Will raise exception if password invalid
-    } else if ($action == "delete") {
+    } else if ($action == "deleteAccount") {
         $user->unRegister();
         $json['errno'] = 0;
         $json['msg'] = "成功删除了该用户。";
+    } else if ($action == "deleteTexture") {
+        for ($i = 1; $i <= 3; $i++) {
+            switch($i) {
+                case 1: $type = "steve"; break;
+                case 2: $type = "alex"; break;
+                case 3: $type = "cape"; break;
+            }
+            if ($_POST[$type] == "true" && $user->getTexture($type) != "") {
+                Utils::remove("./textures/".$user->getTexture($type));
+                $user->db->update($user->uname, 'hash_'.$type, '');
+            }
+        }
+        $json['errno'] = 0;
+        $json['msg'] = "成功地删除了该用户的所选材质。";
     } else if ($action == "model") {
         if (isset($_POST['model']) && $_POST['model'] == 'slim' || $_POST['model'] == 'default') {
             $user->setPreference($_POST['model']);
diff --git a/admin/manage.php b/admin/manage.php
index a6ca51bb..9d99e41c 100644
--- a/admin/manage.php
+++ b/admin/manage.php
@@ -3,7 +3,7 @@
  * @Author: printempw
  * @Date:   2016-03-06 14:19:20
  * @Last Modified by:   printempw
- * @Last Modified time: 2016-03-06 14:44:26
+ * @Last Modified time: 2016-03-06 15:32:20
  */
 require "../includes/session.inc.php";
 if (!$user->is_admin) header('Location: ../index.php?msg=看起来你并不是管理员');
@@ -76,6 +76,7 @@ if (!$user->is_admin) header('Location: ../index.php?msg=看起来你并不是
                     <span>(<?php echo $row['preference']; ?>)</span>
                 </td>
                 <td>
+                    <a href="javascript:deleteTexture('<?php echo $row['username'] ?>');" class="pure-button pure-button-warning">删除材质</a>
                     <a href="javascript:changePasswd('<?php echo $row['username'] ?>');" class="pure-button pure-button-default">更改密码</a>
                     <a href="javascript:deleteAccount('<?php echo $row['username'] ?>');" class="pure-button pure-button-error">删除用户</a>
                 </td>
@@ -90,7 +91,7 @@ if (!$user->is_admin) header('Location: ../index.php?msg=看起来你并不是
         </li>
         <?php else: ?>
         <li>
-            <a href="index.php?page=<?php echo $page_now-1; ?>" aria-label="Previous">
+            <a href="manage.php?page=<?php echo $page_now-1; ?>" aria-label="Previous">
                 <span aria-hidden="true">&laquo;</span>
             </a>
         </li>
@@ -100,7 +101,7 @@ if (!$user->is_admin) header('Location: ../index.php?msg=看起来你并不是
             if ($i == $page_now) {
                 echo '<li class="active"><a href="#">'.(string)$i.'</a></li>';
             } else {
-                echo '<li><a href="index.php?page='.$i.'">'.(string)$i.'</a></li>';
+                echo '<li><a href="manage.php?page='.$i.'">'.(string)$i.'</a></li>';
             }
         }
 
@@ -110,7 +111,7 @@ if (!$user->is_admin) header('Location: ../index.php?msg=看起来你并不是
         </li>
         <?php else: ?>
         <li>
-            <a href="index.php?page=<?php echo $page_now+1; ?>" aria-label="Next">
+            <a href="manage.php?page=<?php echo $page_now+1; ?>" aria-label="Next">
                 <span aria-hidden="true">&raquo;</span>
             </a>
         </li>
diff --git a/assets/css/admin.style.css b/assets/css/admin.style.css
index 6bafbcf7..0600ba82 100644
--- a/assets/css/admin.style.css
+++ b/assets/css/admin.style.css
@@ -2,8 +2,13 @@
 * @Author: prpr
 * @Date:   2016-02-04 16:47:54
 * @Last Modified by:   printempw
-* @Last Modified time: 2016-03-06 14:19:55
+* @Last Modified time: 2016-03-06 15:33:44
 */
+@media screen and (min-width: 48em) {
+    .container {
+        width: 90%;
+    }
+}
 .overview {
     margin: 80px auto 0;
     width: 100%;
@@ -25,6 +30,15 @@ input {
     width: 100%;
     margin: 10px 0 20px;
 }
+input[type=checkbox] {
+    width: initial;
+    margin: 0;
+    margin: 0 5px 0 5px;
+}
+label {
+    display: block;
+    margin: 6px 0;
+}
 .fw {
     width: 100%;
 }
diff --git a/assets/js/admin.utils.js b/assets/js/admin.utils.js
index 22350c09..61132bd0 100644
--- a/assets/js/admin.utils.js
+++ b/assets/js/admin.utils.js
@@ -1,8 +1,8 @@
 /*
 * @Author: prpr
 * @Date:   2016-02-04 16:48:42
-* @Last Modified by:   prpr
-* @Last Modified time: 2016-02-05 22:01:44
+* @Last Modified by:   printempw
+* @Last Modified time: 2016-03-06 15:23:40
 */
 
 'use strict';
@@ -53,6 +53,43 @@ function uploadTexture(uname, type) {
     ply.open();
 }
 
+function deleteTexture(uname) {
+    var ply = new Ply({
+        el: '<h2>选择要删除的 '+uname+' 的当前材质:</h2>'+
+            '<label><input id="steve" type="checkbox" checked="">Steve 模型</label>'+
+            '<label><input id="alex" type="checkbox" checked="">Alex 模型</label>'+
+            '<label><input id="cape" type="checkbox" checked="">披风</label>'+
+            '<label style="margin: 6px 0 12px;"><input id="all" type="checkbox" checked="">全部</label>'+
+            '<button id="confirm" class="pure-button pure-button-primary fw">确定</button>',
+        effect: "fade",
+        onaction: function() {
+            var steve   = $('#steve').prop('checked');
+            var alex    = $('#alex').prop('checked');
+            var cape    = $('#cape').prop('checked');
+            if ($('#all').prop('checked')) {
+                steve = alex = cape = true;
+            }
+            $.ajax({
+                type: "POST",
+                url: "admin_ajax.php?action=deleteTexture&uname="+uname,
+                dataType: "json",
+                data: {
+                    "steve" : steve,
+                    "alex"  : alex,
+                    "cape"  : cape
+                },
+                success: function(json) {
+                    if (json.errno == 0) {
+                        showAlert(json.msg);
+                    } else {
+                        showAlert(json.msg);
+                    }
+                }
+            });
+        },
+    });
+    ply.open();
+}
 
 function changePasswd(uname) {
     Ply.dialog("prompt", {
@@ -82,7 +119,7 @@ function deleteAccount(uname) {
     }).done(function(ui){
         $.ajax({
             type: "POST",
-            url: "admin_ajax.php?action=delete&uname="+uname,
+            url: "admin_ajax.php?action=deleteAccount&uname="+uname,
             dataType: "json",
             success: function(json) {
                 if (json.errno == 0) {
diff --git a/includes/User.class.php b/includes/User.class.php
index 4cf2e9e8..cce710cc 100644
--- a/includes/User.class.php
+++ b/includes/User.class.php
@@ -2,13 +2,13 @@
 /**
  * @Author: printempw
  * @Date:   2016-01-16 23:01:33
- * @Last Modified by:   prpr
- * @Last Modified time: 2016-02-14 16:21:53
+ * @Last Modified by:   printempw
+ * @Last Modified time: 2016-03-06 15:27:00
  */
 
 class User
 {
-    private $uname  = "";
+    public $uname  = "";
     private $passwd = "";
     private $token  = "";