diff --git a/app/admin/controller/LoginController.php b/app/admin/controller/LoginController.php
index 90c778a..e330ecd 100644
--- a/app/admin/controller/LoginController.php
+++ b/app/admin/controller/LoginController.php
@@ -287,4 +287,92 @@ class LoginController extends BaseController
             'data' => $loginInfo
         ]);
     }
+
+    /**
+     * 获取极验3.0的id和key
+     * @return Json
+     */
+    public function getGeetest3Infos()
+    {
+        // 定义你需要的 label 列表
+        $targetLabels = [
+            'geetest3ID',
+            'geetest3KEY'
+        ];
+
+        $legalInfos = SystemSiteSettings::where('delete_time', null)
+            ->whereIn('label', $targetLabels) // 仅筛选指定的 label
+            ->field('label, value')
+            ->select();
+
+        $this->logSuccess('站点设置管理', '查看极验3.0的id和key', [], $this->getAdminUserInfo());
+
+        return json([
+            'code' => 200,
+            'msg' => '获取成功',
+            'data' => $legalInfos->toArray()
+        ]);
+    }
+
+    /**
+     * 获取极验4.0的id和key
+     * @return Json
+     */
+    public function getGeetest4Infos()
+    {
+        // 定义你需要的 label 列表
+        $targetLabels = [
+            'geetest4ID',
+            'geetest4KEY'
+        ];
+
+        $legalInfos = SystemSiteSettings::where('delete_time', null)
+            ->whereIn('label', $targetLabels) // 仅筛选指定的 label
+            ->field('label, value')
+            ->select()
+            ->toArray();
+
+        // 转换为前端需要的格式
+        $data = [];
+        foreach ($legalInfos as $item) {
+            if ($item['label'] === 'geetest4ID') {
+                $data['captcha_id'] = $item['value'];
+            }
+            if ($item['label'] === 'geetest4KEY') {
+                $data['captcha_key'] = $item['value'];
+            }
+        }
+
+        $this->logSuccess('站点设置管理', '查看极验4.0的id和key', [], $this->getAdminUserInfo());
+
+        return json([
+            'code' => 200,
+            'msg' => '获取成功',
+            'data' => $data
+        ]);
+    }
+
+    /**
+     * 判断是否开启验证
+     * @return Json
+     */
+    public function getOpenVerify()
+    {
+        // 定义你需要的 label 列表
+        $targetLabels = [
+            'openVerify',
+            'verifyModel'
+        ];
+
+        $legalInfos = SystemSiteSettings::where('delete_time', null)
+            ->whereIn('label', $targetLabels) // 仅筛选指定的 label
+            ->field('label, value')
+            ->select();
+
+        return json([
+            'code' => 200,
+            'msg' => '获取成功',
+            'data' => $legalInfos->toArray()
+        ]);
+    }
 }
diff --git a/app/admin/controller/SiteSettingsController.php b/app/admin/controller/SiteSettingsController.php
index 1b9e53f..57cbd66 100644
--- a/app/admin/controller/SiteSettingsController.php
+++ b/app/admin/controller/SiteSettingsController.php
@@ -77,8 +77,10 @@ class SiteSettingsController extends BaseController
         $targetLabels = [
             'openVerify',
             'verifyModel',
-            'geetestID',
-            'geetestKEY'
+            'geetest3ID',
+            'geetest3KEY',
+            'geetest4ID',
+            'geetest4KEY'
         ];
 
         $legalInfos = SystemSiteSettings::where('delete_time', null)
@@ -102,7 +104,7 @@ class SiteSettingsController extends BaseController
     public function saveVerifyInfos()
     {
         $params = $this->request->param();
-        $allowedLabels = ['openVerify', 'verifyModel', 'geetestID', 'geetestKEY'];
+        $allowedLabels = ['openVerify', 'verifyModel', 'geetest3ID', 'geetest3KEY', 'geetest4ID', 'geetest4KEY'];
 
         foreach ($allowedLabels as $label) {
             if (isset($params[$label])) {
diff --git a/app/admin/route/routes/base.php b/app/admin/route/routes/base.php
index afca590..8679f35 100644
--- a/app/admin/route/routes/base.php
+++ b/app/admin/route/routes/base.php
@@ -13,3 +13,9 @@ Route::post('loginInfo', 'app\\admin\\controller\\LoginController@loginInfo');
 Route::post('login', 'app\\admin\\controller\\LoginController@login');
 Route::post('logout', 'app\\admin\\controller\\LoginController@logout');
 Route::get('user/info', 'app\\admin\\controller\\LoginController@userInfo');
+
+// 极验路由
+Route::get('login/getGeetest3Infos', 'app\\admin\\controller\\LoginController@getGeetest3Infos');
+Route::get('login/getGeetest4Infos', 'app\\admin\\controller\\LoginController@getGeetest4Infos');
+Route::get('login/getOpenVerify', 'app\\admin\\controller\\LoginController@getOpenVerify');
+
diff --git a/app/utils/Geetest.php b/app/utils/Geetest.php
new file mode 100644
index 0000000..85ee834
--- /dev/null
+++ b/app/utils/Geetest.php
@@ -0,0 +1,86 @@
+<?php
+namespace app\utils;
+
+// 引入极验 SDK 的核心类
+use geetest\GeetestLib;
+use app\model\System\SystemSiteSettings;
+
+class Geetest
+{
+    /**
+     * 极验 3.0 的 ID 和 KEY
+     * 优先从系统配置表 SystemSiteSettings 中读取 geetest3ID / geetest3KEY
+     */
+    private $captchaId;
+    private $privateKey;
+
+    public function __construct()
+    {
+        // 默认值可以为空，避免硬编码
+        $this->captchaId  = null;
+        $this->privateKey = null;
+
+        try {
+            // 从系统设置表中读取极验3.0配置
+            $settings = SystemSiteSettings::where('delete_time', null)
+                ->whereIn('label', ['geetest3ID', 'geetest3KEY'])
+                ->column('value', 'label');
+
+            if (!empty($settings['geetest3ID']) && !empty($settings['geetest3KEY'])) {
+                $this->captchaId  = $settings['geetest3ID'];
+                $this->privateKey = $settings['geetest3KEY'];
+            }
+        } catch (\Throwable $e) {
+            // 读取配置失败时，不抛出致命错误，留给上层决定是否启用极验
+            error_log('加载极验配置失败: ' . $e->getMessage());
+        }
+    }
+
+    /**
+     * 初始化极验验证（前端获取验证参数）
+     * @return string JSON 字符串
+     */
+    public function init()
+    {
+        $gtLib = new GeetestLib($this->captchaId, $this->privateKey);
+        // 用户唯一标识（可传用户ID、IP等，不能为空）
+        $userId = request()->ip();
+        // 预处理验证
+        $status = $gtLib->pre_process($userId);
+        // 保存状态到 session
+        session('gtserver', $status);
+        session('gt_user_id', $userId);
+        // 返回前端需要的验证参数
+        return $gtLib->get_response_str();
+    }
+
+    /**
+     * 验证前端提交的极验数据
+     * @param array $data 前端提交的 geetest_challenge/validate/seccode
+     * @return bool 验证结果
+     */
+    public function verify(array $data)
+    {
+        $gtLib = new GeetestLib($this->captchaId, $this->privateKey);
+        $userId = session('gt_user_id');
+        $status = session('gtserver');
+
+        if ($status == 1) {
+            // 正常模式验证
+            $result = $gtLib->success_validate(
+                $data['geetest_challenge'],
+                $data['geetest_validate'],
+                $data['geetest_seccode'],
+                $userId
+            );
+        } else {
+            // 宕机模式验证
+            $result = $gtLib->fail_validate(
+                $data['geetest_challenge'],
+                $data['geetest_validate'],
+                $data['geetest_seccode']
+            );
+        }
+        return $result;
+    }
+}
\ No newline at end of file
diff --git a/composer.json b/composer.json
index e677309..daf5139 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,8 @@
     },
     "autoload": {
         "psr-4": {
-            "app\\": "app"
+            "app\\": "app",
+            "geetest\\": "extend/geetest/"
         },
         "psr-0": {
             "": "extend/"
diff --git a/composer.lock b/composer.lock
index 8749f47..cfc19bc 100644
--- a/composer.lock
+++ b/composer.lock
@@ -608,6 +608,91 @@
             },
             "time": "2021-10-29T13:26:27+00:00"
         },
+        {
+            "name": "symfony/polyfill-mbstring",
+            "version": "v1.33.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-mbstring.git",
+                "reference": "6d857f4d76bd4b343eac26d6b539585d2bc56493"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/6d857f4d76bd4b343eac26d6b539585d2bc56493",
+                "reference": "6d857f4d76bd4b343eac26d6b539585d2bc56493",
+                "shasum": ""
+            },
+            "require": {
+                "ext-iconv": "*",
+                "php": ">=7.2"
+            },
+            "provide": {
+                "ext-mbstring": "*"
+            },
+            "suggest": {
+                "ext-mbstring": "For best performance"
+            },
+            "type": "library",
+            "extra": {
+                "thanks": {
+                    "url": "https://github.com/symfony/polyfill",
+                    "name": "symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "bootstrap.php"
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Mbstring\\": ""
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill for the Mbstring extension",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "mbstring",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.33.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/nicolas-grekas",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2024-12-23T08:48:59+00:00"
+        },
         {
             "name": "topthink/framework",
             "version": "v8.1.4",
@@ -1037,91 +1122,6 @@
             ],
             "time": "2024-09-25T14:21:43+00:00"
         },
-        {
-            "name": "symfony/polyfill-mbstring",
-            "version": "v1.33.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "6d857f4d76bd4b343eac26d6b539585d2bc56493"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/6d857f4d76bd4b343eac26d6b539585d2bc56493",
-                "reference": "6d857f4d76bd4b343eac26d6b539585d2bc56493",
-                "shasum": ""
-            },
-            "require": {
-                "ext-iconv": "*",
-                "php": ">=7.2"
-            },
-            "provide": {
-                "ext-mbstring": "*"
-            },
-            "suggest": {
-                "ext-mbstring": "For best performance"
-            },
-            "type": "library",
-            "extra": {
-                "thanks": {
-                    "url": "https://github.com/symfony/polyfill",
-                    "name": "symfony/polyfill"
-                }
-            },
-            "autoload": {
-                "files": [
-                    "bootstrap.php"
-                ],
-                "psr-4": {
-                    "Symfony\\Polyfill\\Mbstring\\": ""
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Nicolas Grekas",
-                    "email": "p@tchwork.com"
-                },
-                {
-                    "name": "Symfony Community",
-                    "homepage": "https://symfony.com/contributors"
-                }
-            ],
-            "description": "Symfony polyfill for the Mbstring extension",
-            "homepage": "https://symfony.com",
-            "keywords": [
-                "compatibility",
-                "mbstring",
-                "polyfill",
-                "portable",
-                "shim"
-            ],
-            "support": {
-                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.33.0"
-            },
-            "funding": [
-                {
-                    "url": "https://symfony.com/sponsor",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://github.com/fabpot",
-                    "type": "github"
-                },
-                {
-                    "url": "https://github.com/nicolas-grekas",
-                    "type": "github"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
-                    "type": "tidelift"
-                }
-            ],
-            "time": "2024-12-23T08:48:59+00:00"
-        },
         {
             "name": "symfony/var-dumper",
             "version": "v6.4.32",
@@ -1319,5 +1319,5 @@
         "php": ">=8.0.0"
     },
     "platform-dev": {},
-    "plugin-api-version": "2.9.0"
+    "plugin-api-version": "2.6.0"
 }