diff --git a/kernel-d-security/security-sdk-captcha/src/main/java/cn/stylefeng/roses/kernel/security/captcha/ImageCaptchaService.java b/kernel-d-security/security-sdk-captcha/src/main/java/cn/stylefeng/roses/kernel/security/captcha/ImageCaptchaService.java
index 3b9e3c9a2..ccd210f76 100644
--- a/kernel-d-security/security-sdk-captcha/src/main/java/cn/stylefeng/roses/kernel/security/captcha/ImageCaptchaService.java
+++ b/kernel-d-security/security-sdk-captcha/src/main/java/cn/stylefeng/roses/kernel/security/captcha/ImageCaptchaService.java
@@ -50,7 +50,7 @@ public class ImageCaptchaService implements ImageCaptchaApi {
         SpecCaptcha specCaptcha = new SpecCaptcha(130, 48, 5);
         String verCode = specCaptcha.text().toLowerCase();
         String verKey = IdUtil.simpleUUID();
-        cacheOperatorApi.put(verKey, verCode);
+        cacheOperatorApi.put(verKey, verCode, 120L);
         return ImageCaptcha.builder().verImage(specCaptcha.toBase64()).verKey(verKey).build();
     }