diff --git a/app/admin/controller/Index.php b/app/admin/controller/Index.php
deleted file mode 100644
index 87ef892b..00000000
--- a/app/admin/controller/Index.php
+++ /dev/null
@@ -1,14 +0,0 @@
-<?php
-declare (strict_types = 1);
-
-namespace app\admin\controller;
-
-use think\View;
-
-class Index
-{
-    public function index()
-    {
-        return '您好！这是一个[admin]示例应用';
-    }
-}
diff --git a/app/admin/controller/v1/Captcha.php b/app/admin/controller/v1/Captcha.php
new file mode 100644
index 00000000..836d088a
--- /dev/null
+++ b/app/admin/controller/v1/Captcha.php
@@ -0,0 +1,21 @@
+<?php
+declare (strict_types = 0);
+
+namespace app\admin\controller\v1;
+
+use think\facade\Config;
+
+class Captcha
+{
+    /**
+     * 获取验证码
+     */
+    public function index(\think\Config $config, \think\Session $session)
+    {
+        // 输出验证码
+        $captcha = new \think\captcha\Captcha($config, $session);
+        $data = $captcha->create();
+       
+        return success('获取验证码成功！', $data["img"]);
+    }
+}
diff --git a/composer.json b/composer.json
index 0b494a65..605d3e8a 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,8 @@
         "topthink/think-filesystem": "^2.0",
         "topthink/think-multi-app": "^1.1",
         "topthink/think-migration": "^3.1",
-        "topthink/think-view": "^2.0"
+        "topthink/think-view": "^2.0",
+        "topthink/think-captcha": "^3.0"
     },
     "require-dev": {
         "symfony/var-dumper": ">=4.2",
diff --git a/config/captcha.php b/config/captcha.php
new file mode 100644
index 00000000..bff13d48
--- /dev/null
+++ b/config/captcha.php
@@ -0,0 +1,43 @@
+<?php
+// +----------------------------------------------------------------------
+// | Captcha配置文件
+// +----------------------------------------------------------------------
+
+return [
+    //验证码位数
+    'length'   => 5,
+    // 验证码字符集合
+    'codeSet'  => '2345678abcdefhijkmnpqrstuvwxyzABCDEFGHJKLMNPQRTUVWXY',
+    // 验证码过期时间
+    'expire'   => 1800,
+    // 是否使用中文验证码
+    'useZh'    => false,
+    // 是否使用算术验证码
+    'math'     => false,
+    // 是否使用背景图
+    'useImgBg' => false,
+    //验证码字符大小
+    'fontSize' => 25,
+    // 是否使用混淆曲线
+    'useCurve' => true,
+    //是否添加杂点
+    'useNoise' => true,
+    // 验证码字体 不设置则随机
+    'fontttf'  => '',
+    //背景颜色
+    'bg'       => [243, 251, 254],
+    // 验证码图片高度
+    'imageH'   => 0,
+    // 验证码图片宽度
+    'imageW'   => 0,
+    // 验证码图片透明度
+    'alpha'    => 0,
+    // 是否采用API模式生成
+    'api'      => true,
+
+    // 添加额外的验证码设置
+    // verify => [
+    //     'length'=>4,
+    //    ...
+    //],
+];
diff --git a/config/session.php b/config/session.php
index c1ef6e16..5faa45fd 100644
--- a/config/session.php
+++ b/config/session.php
@@ -9,9 +9,9 @@ return [
     // SESSION_ID的提交变量,解决flash上传跨域
     'var_session_id' => '',
     // 驱动方式 支持file cache
-    'type'           => 'file',
+    'type'           => 'cache',
     // 存储连接标识 当type使用cache的时候有效
-    'store'          => null,
+    'store'          => 'redis',
     // 过期时间
     'expire'         => 1440,
     // 前缀