diff --git a/youlai-auth/src/main/java/com/youlai/auth/security/extension/captcha/CaptchaTokenGranter.java b/youlai-auth/src/main/java/com/youlai/auth/security/extension/captcha/CaptchaTokenGranter.java
index 56c63d63e..1123f23b9 100644
--- a/youlai-auth/src/main/java/com/youlai/auth/security/extension/captcha/CaptchaTokenGranter.java
+++ b/youlai-auth/src/main/java/com/youlai/auth/security/extension/captcha/CaptchaTokenGranter.java
@@ -50,7 +50,7 @@ public class CaptchaTokenGranter extends AbstractTokenGranter {
         Map<String, String> parameters = new LinkedHashMap(tokenRequest.getRequestParameters());
 
         // 验证码校验逻辑
-        String validateCode = parameters.get("validateCode");
+        String validateCode = parameters.get("code");
         String uuid = parameters.get("uuid");
 
         Assert.isTrue(StrUtil.isNotBlank(validateCode), "验证码不能为空");