diff --git a/resource/view/auth/passport/login.html b/resource/view/auth/passport/login.html
index f5642a3..46fcee1 100644
--- a/resource/view/auth/passport/login.html
+++ b/resource/view/auth/passport/login.html
@@ -19,10 +19,14 @@
         <div class="tpl-login-content">
             <form class="am-form tpl-form-line-form" method="post" data-am-validator>
                 <div class="am-form-group">
-                    <input type="text" class="tpl-form-input" id="user-name" name="admin_account" placeholder="请输入账号" required="">
+                    <input type="text" class="tpl-form-input" id="user-name" name="admin_account" placeholder="请输入账号" required>
                 </div>
                 <div class="am-form-group">
-                    <input type="password" class="tpl-form-input" id="user-password" name="admin_password"  placeholder="请输入密码" required="">
+                    <input type="password" class="tpl-form-input" id="user-password" name="admin_password"  placeholder="请输入密码" required>
+                </div>
+                <div class="am-form-group">
+                    <input type="text" class="tpl-form-input" id="user-code" name="captcha"  placeholder="验证码" required style="width: 60%;float: left;">
+                    <img src="{:captcha_src()}" alt="captcha" id="user-code-img" style="width: 40%;height: 32px;float: left;" onclick="this.src=this.src+'?t='+Math.random()" />
                 </div>
                 <div class="am-form-group">
                     <button type="submit" class="am-btn am-btn-primary  am-btn-block tpl-btn-bg-color-success  tpl-login-btn">提交</button>
diff --git a/src/controller/Advertising.php b/src/controller/Advertising.php
index 55703ce..c86f096 100644
--- a/src/controller/Advertising.php
+++ b/src/controller/Advertising.php
@@ -5,10 +5,10 @@
 use tadmin\model\Advertising as AdvertisingModel;
 use tadmin\model\AdvertisingBlock;
 use tadmin\service\upload\contract\Factory as Uploader;
-use tadmin\support\controller\AbstractController;
+use tadmin\support\controller\Controller;
 use think\Request;
 
-class Advertising extends AbstractController
+class Advertising extends Controller
 {
     protected $model;
 
diff --git a/src/controller/AdvertisingBlock.php b/src/controller/AdvertisingBlock.php
index f1e31c7..d290e6c 100644
--- a/src/controller/AdvertisingBlock.php
+++ b/src/controller/AdvertisingBlock.php
@@ -3,10 +3,10 @@
 namespace tadmin\controller;
 
 use tadmin\model\AdvertisingBlock as AdvertisingBlockModel;
-use tadmin\support\controller\AbstractController;
+use tadmin\support\controller\Controller;
 use think\Request;
 
-class AdvertisingBlock extends AbstractController
+class AdvertisingBlock extends Controller
 {
     protected $model;
 
diff --git a/src/controller/Article.php b/src/controller/Article.php
index a8f6c92..7831a44 100644
--- a/src/controller/Article.php
+++ b/src/controller/Article.php
@@ -7,10 +7,10 @@
 use tadmin\model\Category;
 use tadmin\model\Tag;
 use tadmin\service\upload\contract\Factory as Uploader;
-use tadmin\support\controller\AbstractController;
+use tadmin\support\controller\Controller;
 use think\Request;
 
-class Article extends AbstractController
+class Article extends Controller
 {
     protected $article;
 
diff --git a/src/controller/Category.php b/src/controller/Category.php
index 3e741cc..1a57903 100644
--- a/src/controller/Category.php
+++ b/src/controller/Category.php
@@ -3,10 +3,10 @@
 namespace tadmin\controller;
 
 use tadmin\model\Category as CategoryModel;
-use tadmin\support\controller\AbstractController;
+use tadmin\support\controller\Controller;
 use think\Request;
 
-class Category extends AbstractController
+class Category extends Controller
 {
     protected $category;
 
diff --git a/src/controller/Config.php b/src/controller/Config.php
index 11b82d1..999c446 100644
--- a/src/controller/Config.php
+++ b/src/controller/Config.php
@@ -3,10 +3,10 @@
 namespace tadmin\controller;
 
 use tadmin\model\Config as ConfigModel;
-use tadmin\support\controller\AbstractController;
+use tadmin\support\controller\Controller;
 use think\Request;
 
-class Config extends AbstractController
+class Config extends Controller
 {
     protected $config;
 
diff --git a/src/controller/Index.php b/src/controller/Index.php
index 349c0b7..655c383 100644
--- a/src/controller/Index.php
+++ b/src/controller/Index.php
@@ -4,9 +4,9 @@
 
 use tadmin\model\Article;
 use tadmin\model\OperationLog;
-use tadmin\support\controller\AbstractController;
+use tadmin\support\controller\Controller;
 
-class Index extends AbstractController
+class Index extends Controller
 {
     protected $operationLog;
 
diff --git a/src/controller/Job.php b/src/controller/Job.php
index 88a757c..92b3136 100644
--- a/src/controller/Job.php
+++ b/src/controller/Job.php
@@ -4,10 +4,10 @@
 
 use tadmin\model\Job as JobModel;
 use tadmin\model\JobResume;
-use tadmin\support\controller\AbstractController;
+use tadmin\support\controller\Controller;
 use think\Request;
 
-class Job extends AbstractController
+class Job extends Controller
 {
     protected $job;
 
diff --git a/src/controller/Link.php b/src/controller/Link.php
index b197c28..e7d85b4 100644
--- a/src/controller/Link.php
+++ b/src/controller/Link.php
@@ -5,10 +5,10 @@
 use tadmin\model\Link as LinkModel;
 use tadmin\model\LinkBlock;
 use tadmin\service\upload\contract\Factory as Uploader;
-use tadmin\support\controller\AbstractController;
+use tadmin\support\controller\Controller;
 use think\Request;
 
-class Link extends AbstractController
+class Link extends Controller
 {
     protected $model;
 
diff --git a/src/controller/LinkBlock.php b/src/controller/LinkBlock.php
index ab275d2..9e5a31d 100644
--- a/src/controller/LinkBlock.php
+++ b/src/controller/LinkBlock.php
@@ -3,10 +3,10 @@
 namespace tadmin\controller;
 
 use tadmin\model\LinkBlock as LinkBlockModel;
-use tadmin\support\controller\AbstractController;
+use tadmin\support\controller\Controller;
 use think\Request;
 
-class LinkBlock extends AbstractController
+class LinkBlock extends Controller
 {
     protected $model;
 
diff --git a/src/controller/Message.php b/src/controller/Message.php
index dad025a..20d3842 100644
--- a/src/controller/Message.php
+++ b/src/controller/Message.php
@@ -3,10 +3,10 @@
 namespace tadmin\controller;
 
 use tadmin\model\MessageBoard;
-use tadmin\support\controller\AbstractController;
+use tadmin\support\controller\Controller;
 use think\Request;
 
-class Message extends AbstractController
+class Message extends Controller
 {
     protected $model;
 
diff --git a/src/controller/Nav.php b/src/controller/Nav.php
index 8088d01..5562b6a 100644
--- a/src/controller/Nav.php
+++ b/src/controller/Nav.php
@@ -3,10 +3,10 @@
 namespace tadmin\controller;
 
 use tadmin\model\Nav as NavModel;
-use tadmin\support\controller\AbstractController;
+use tadmin\support\controller\Controller;
 use think\Request;
 
-class Nav extends AbstractController
+class Nav extends Controller
 {
     protected $model;
 
diff --git a/src/controller/Single.php b/src/controller/Single.php
index 8598f2e..b610cc0 100644
--- a/src/controller/Single.php
+++ b/src/controller/Single.php
@@ -5,10 +5,10 @@
 use tadmin\model\Category;
 use tadmin\model\Single as SingleModel;
 use tadmin\service\upload\contract\Factory as Uploader;
-use tadmin\support\controller\AbstractController;
+use tadmin\support\controller\Controller;
 use think\Request;
 
-class Single extends AbstractController
+class Single extends Controller
 {
     protected $single;
 
diff --git a/src/controller/auth/Adminer.php b/src/controller/auth/Adminer.php
index 16a4e53..ec410e1 100644
--- a/src/controller/auth/Adminer.php
+++ b/src/controller/auth/Adminer.php
@@ -5,12 +5,12 @@
 use tadmin\model\Adminer as AdminerModel;
 use tadmin\model\Role;
 use tadmin\service\upload\contract\Factory as Uploader;
-use tadmin\support\controller\AbstractController;
+use tadmin\support\controller\Controller;
 use think\exception\ValidateException;
 use think\facade\Validate;
 use think\Request;
 
-class Adminer extends AbstractController
+class Adminer extends Controller
 {
     protected $adminer;
 
diff --git a/src/controller/auth/Log.php b/src/controller/auth/Log.php
index 9611e0c..4780c62 100644
--- a/src/controller/auth/Log.php
+++ b/src/controller/auth/Log.php
@@ -3,9 +3,9 @@
 namespace tadmin\controller\auth;
 
 use tadmin\model\OperationLog;
-use tadmin\support\controller\AbstractController;
+use tadmin\support\controller\Controller;
 
-class Log extends AbstractController
+class Log extends Controller
 {
     protected $operationLog;
 
diff --git a/src/controller/auth/Passport.php b/src/controller/auth/Passport.php
index fc361d9..5932e41 100644
--- a/src/controller/auth/Passport.php
+++ b/src/controller/auth/Passport.php
@@ -3,10 +3,10 @@
 namespace tadmin\controller\auth;
 
 use tadmin\service\auth\contract\Auth;
-use tadmin\support\controller\AbstractController;
+use tadmin\support\controller\Controller;
 use think\Request;
 
-class Passport extends AbstractController
+class Passport extends Controller
 {
     protected $auth;
 
diff --git a/src/controller/auth/Permission.php b/src/controller/auth/Permission.php
index 7e86be0..bdc3eb3 100644
--- a/src/controller/auth/Permission.php
+++ b/src/controller/auth/Permission.php
@@ -3,10 +3,10 @@
 namespace tadmin\controller\auth;
 
 use tadmin\model\Permission as PermissionModel;
-use tadmin\support\controller\AbstractController;
+use tadmin\support\controller\Controller;
 use think\Request;
 
-class Permission extends AbstractController
+class Permission extends Controller
 {
     protected $permission;
 
diff --git a/src/controller/auth/Role.php b/src/controller/auth/Role.php
index 3038752..c3eed9e 100644
--- a/src/controller/auth/Role.php
+++ b/src/controller/auth/Role.php
@@ -4,10 +4,10 @@
 
 use tadmin\model\Permission;
 use tadmin\model\Role as RoleModel;
-use tadmin\support\controller\AbstractController;
+use tadmin\support\controller\Controller;
 use think\Request;
 
-class Role extends AbstractController
+class Role extends Controller
 {
     protected $role;
 
diff --git a/src/service/auth/Auth.php b/src/service/auth/Auth.php
index 4d3fb74..eea975e 100644
--- a/src/service/auth/Auth.php
+++ b/src/service/auth/Auth.php
@@ -55,6 +55,7 @@ protected function validate(array $data = [])
         $validate = Validate::make([
             'admin_account' => 'require|max:25',
             'admin_password' => 'require|max:25',
+            'captcha|验证码' => 'require|captcha',
         ], [
             'admin_account.require' => '登录名必须',
             'admin_account.max' => '登录名最多不能超过25个字符',
diff --git a/src/support/controller/AbstractController.php b/src/support/controller/Controller.php
similarity index 94%
rename from src/support/controller/AbstractController.php
rename to src/support/controller/Controller.php
index 82a6e29..1ff0d33 100644
--- a/src/support/controller/AbstractController.php
+++ b/src/support/controller/Controller.php
@@ -5,12 +5,12 @@
 use tadmin\model\Menu;
 use tadmin\service\auth\facade\Auth;
 use think\Container;
-use think\Controller;
+use think\Controller as ThinkController;
 use think\facade\Config;
 use think\Console;
 use think\Loader;
 
-abstract class AbstractController extends Controller
+abstract class Controller extends ThinkController
 {
     protected $viewPath = '';