diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1029575e..23e7c7ce 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,11 +1,11 @@
-### [v1.4.6](https://gitee.com/koogua/course-tencent-cloud/releases/v1.4.6)(2021-10-18)
+### [v1.4.7](https://gitee.com/koogua/course-tencent-cloud/releases/v1.4.7)(2021-10-28)
 
 - 更新README.md
 - 优化分页查询参数过滤
-- 优化分页查询参数过滤
 - 优化后台学员添加和搜索
 - 优化后台学员课程过期管理
-- 增加后台会员特权过期管理
+- 增加编辑会员特权功能
+- 增加清空用户头像功能
 - 增加编辑器内站外图片自动保存到本地
 - 增加CSRF放行白名单
 - 完善订单|交易|退款序号
diff --git a/README.md b/README.md
index 0a5626ac..dda2a478 100644
--- a/README.md
+++ b/README.md
@@ -2,15 +2,14 @@
 
 ![酷瓜云网课GPL协议开源](https://portal-1255691183.file.myqcloud.com/img/content/60e7aea40966f.png)
 
-### 项目介绍
+### 系统介绍
 
 酷瓜云课堂，依托腾讯云基础服务架构，采用C扩展框架Phalcon开发，GPL-2.0开源协议，致力开源网课系统，开源网校系统，开源知识付费系统，开源在线教育系统。
 
-[![Gitee star](https://gitee.com/koogua/course-tencent-cloud/badge/star.svg?theme=gitee)](https://gitee.com/koogua/course-tencent-cloud)
-[![Gitee fork](https://gitee.com/koogua/course-tencent-cloud/badge/fork.svg?theme=gitee)](https://gitee.com/koogua/course-tencent-cloud)
-[![Github stars](https://img.shields.io/github/stars/xiaochong0302/course-tencent-cloud?logo=github)](https://github.com/xiaochong0302/course-tencent-cloud)
-[![Github forks](https://img.shields.io/github/forks/xiaochong0302/course-tencent-cloud?logo=github)](https://github.com/xiaochong0302/course-tencent-cloud)
-![GPL-2.0](https://img.shields.io/static/v1?label=license&message=GPL-2.0&color=blue)
+![star](https://svg.hamm.cn/gitee.svg?user=koogua&project=course-tencent-cloud&type=star)
+![fork](https://svg.hamm.cn/gitee.svg?user=koogua&project=course-tencent-cloud&type=fork)
+![license](https://svg.hamm.cn/gitee.svg?user=koogua&project=course-tencent-cloud&type=license)
+![release](https://svg.hamm.cn/gitee.svg?user=koogua&project=course-tencent-cloud&type=release)
 
 ### 系统功能
 
@@ -79,16 +78,3 @@ Tips: 请用手机注册一个新账号，用户中心 -> 关注订阅，扫码
 - [码云平台](https://gitee.com/koogua/course-tencent-cloud/issues)
 - [官方社区](https://koogua.com/community)
 - QQ交流群: 787363898
-
-### 有阿里云版吗？
-
-阿里云版规划中，之前阿里云服务过期未续费，所以腾讯云版本先出。
-
-### 代码有加密吗？
-
-所有代码都公开（授权代码除外，例如layim），没有所谓的商业版和付费插件。
-
-### 开源助力
-
-毫无保留的真开源不容易，不要吝啬您的赞许和鼓励，请给我们 **STAR** ！！！
-
diff --git a/app/Http/Admin/Controllers/UserController.php b/app/Http/Admin/Controllers/UserController.php
index 7877b6bf..f14b6e4c 100644
--- a/app/Http/Admin/Controllers/UserController.php
+++ b/app/Http/Admin/Controllers/UserController.php
@@ -90,6 +90,8 @@ class UserController extends Controller
         $account = $userService->getAccount($id);
         $adminRoles = $userService->getAdminRoles();
 
+        $defaultAvatar = kg_cos_user_avatar_url(null);
+
         if ($user->admin_role == RoleModel::ROLE_ROOT) {
             return $this->response->redirect(['for' => 'admin.user.list']);
         }
@@ -97,6 +99,7 @@ class UserController extends Controller
         $this->view->setVar('user', $user);
         $this->view->setVar('account', $account);
         $this->view->setVar('admin_roles', $adminRoles);
+        $this->view->setVar('default_avatar', $defaultAvatar);
     }
 
     /**
diff --git a/app/Http/Admin/Services/User.php b/app/Http/Admin/Services/User.php
index 97d7f694..fdc20f23 100644
--- a/app/Http/Admin/Services/User.php
+++ b/app/Http/Admin/Services/User.php
@@ -162,6 +162,10 @@ class User extends Service
 
         $data = [];
 
+        if (isset($post['avatar'])) {
+            $data['avatar'] = $validator->checkAvatar($post['avatar']);
+        }
+
         if (isset($post['name'])) {
             $data['name'] = $validator->checkName($post['name']);
             if ($post['name'] != $user->name) {
diff --git a/app/Http/Admin/Views/user/edit.volt b/app/Http/Admin/Views/user/edit.volt
index aa4cbac1..16477dc9 100644
--- a/app/Http/Admin/Views/user/edit.volt
+++ b/app/Http/Admin/Views/user/edit.volt
@@ -10,7 +10,18 @@
             <legend>编辑用户</legend>
         </fieldset>
         <div class="layui-form-item">
-            <label class="layui-form-label">用户名</label>
+            <label class="layui-form-label" style="padding-top:40px;">头像</label>
+            <div class="layui-input-inline" style="width:120px;">
+                <img id="avatar" class="kg-avatar" src="{{ user.avatar }}">
+                <input type="hidden" name="avatar" value="{{ user.avatar }}">
+                <input type="hidden" name="default_avatar" value="{{ default_avatar }}">
+            </div>
+            <div class="layui-input-inline" style="padding-top:35px;">
+                <button id="clear-avatar" class="layui-btn layui-btn-sm" type="button">清空</button>
+            </div>
+        </div>
+        <div class="layui-form-item">
+            <label class="layui-form-label">昵称</label>
             <div class="layui-input-block">
                 <input class="layui-input" type="text" name="name" value="{{ user.name }}">
             </div>
@@ -141,6 +152,12 @@
             var form = layui.form;
             var laydate = layui.laydate;
 
+            $('#clear-avatar').on('click', function () {
+                var defaultAvatar = $('input[name=default_avatar]').val();
+                $('input[name=avatar]').val(defaultAvatar);
+                $('#avatar').attr('src', defaultAvatar);
+            });
+
             laydate.render({
                 elem: 'input[name=vip_expiry_time]',
                 type: 'datetime'