diff --git a/src/app/platform/controller/Login.php b/src/app/platform/controller/Login.php
index 7f51586f3..73432faf7 100644
--- a/src/app/platform/controller/Login.php
+++ b/src/app/platform/controller/Login.php
@@ -99,50 +99,11 @@ class Login extends Controller
      */
     public function captcha()
     {
-        // 生成验证码ID
+        $captcha_data = ThinkCaptcha::create(null, true);
         $captcha_id = md5(uniqid(null, true));
         // 验证码10分钟有效
-        $expire = 600;
-        
-        try {
-            // 直接使用门面生成验证码图片
-            $captchaResponse = ThinkCaptcha::create();
-            
-            // 获取图片内容
-            ob_start();
-            $captchaResponse->send();
-            $imgContent = ob_get_clean();
-            // 生成base64图片
-            $imgBase64 = 'data:image/png;base64,' . base64_encode($imgContent);
-            
-            // 获取当前session中的验证码
-            $session = app()->make('session');
-            $captchaInfo = $session->get('captcha');
-            
-            // 由于无法直接获取验证码文本，我们需要重新生成一个验证码实例
-            // 并使用相同的配置来生成验证码文本
-            $captchaInstance = new \think\captcha\Captcha(app()->make('config'), $session);
-            // 反射获取受保护的generate方法
-            $reflection = new \ReflectionClass($captchaInstance);
-            $generateMethod = $reflection->getMethod('generate');
-            $generateMethod->setAccessible(true);
-            $generator = $generateMethod->invoke($captchaInstance);
-            $code = $generator['value'];
-            
-        } catch (\Exception $e) {
-            try {
-                // 如果失败，尝试使用版本2.x的方式
-                $captchaData = ThinkCaptcha::create(null, true);
-                $code = $captchaData['code'];
-                $imgBase64 = $captchaData['img'];
-            } catch (\Exception $e2) {
-                // 如果都失败，返回错误信息
-                return error(-1, '验证码生成失败: ' . $e2->getMessage());
-            }
-        }
-        
-        Cache::set($captcha_id, $code, $expire);
-        return success(0, '', [ 'id' => $captcha_id, 'img' => $imgBase64 ]);
+        Cache::set($captcha_id, $captcha_data[ 'code' ], 600);
+        return success(0, '', [ 'id' => $captcha_id, 'img' => $captcha_data[ 'img' ] ]);
     }
 
     /**