diff --git a/kernel-d-security/security-sdk-captcha/src/main/java/cn/stylefeng/roses/kernel/security/captcha/cache/CaptchaRedisCache.java b/kernel-d-security/security-sdk-captcha/src/main/java/cn/stylefeng/roses/kernel/security/captcha/cache/CaptchaRedisCache.java
index ba5a21371..a06b5f158 100644
--- a/kernel-d-security/security-sdk-captcha/src/main/java/cn/stylefeng/roses/kernel/security/captcha/cache/CaptchaRedisCache.java
+++ b/kernel-d-security/security-sdk-captcha/src/main/java/cn/stylefeng/roses/kernel/security/captcha/cache/CaptchaRedisCache.java
@@ -34,9 +34,9 @@ import org.springframework.data.redis.core.RedisTemplate;
  * @author chenjinlong
  * @date 2021/1/15 13:44
  */
-public class CaptchaRedisCache extends AbstractRedisCacheOperator<Long> {
+public class CaptchaRedisCache extends AbstractRedisCacheOperator<String> {
 
-    public CaptchaRedisCache(RedisTemplate<String, Long> redisTemplate) {
+    public CaptchaRedisCache(RedisTemplate<String, String> redisTemplate) {
         super(redisTemplate);
     }
 
diff --git a/kernel-d-security/security-spring-boot-starter/src/main/java/cn/stylefeng/roses/kernel/security/starter/CaptchaAutoConfiguration.java b/kernel-d-security/security-spring-boot-starter/src/main/java/cn/stylefeng/roses/kernel/security/starter/CaptchaAutoConfiguration.java
index 1a976d0d4..7ecfcc856 100644
--- a/kernel-d-security/security-spring-boot-starter/src/main/java/cn/stylefeng/roses/kernel/security/starter/CaptchaAutoConfiguration.java
+++ b/kernel-d-security/security-spring-boot-starter/src/main/java/cn/stylefeng/roses/kernel/security/starter/CaptchaAutoConfiguration.java
@@ -26,7 +26,6 @@ package cn.stylefeng.roses.kernel.security.starter;
 
 import cn.hutool.cache.CacheUtil;
 import cn.hutool.cache.impl.TimedCache;
-import cn.stylefeng.roses.kernel.cache.api.constants.CacheConstants;
 import cn.stylefeng.roses.kernel.security.api.CaptchaApi;
 import cn.stylefeng.roses.kernel.security.captcha.CaptchaService;
 import cn.stylefeng.roses.kernel.security.captcha.cache.CaptchaMemoryCache;
@@ -52,7 +51,8 @@ public class CaptchaAutoConfiguration {
     @Bean
     @ConditionalOnMissingBean(CaptchaApi.class)
     public CaptchaApi captchaApi() {
-        TimedCache<String, String> timedCache = CacheUtil.newTimedCache(CacheConstants.NONE_EXPIRED_TIME);
+        // 验证码过期时间 120秒
+        TimedCache<String, String> timedCache = CacheUtil.newTimedCache(1000 * 120);
         CaptchaMemoryCache captchaMemoryCache = new CaptchaMemoryCache(timedCache);
         return new CaptchaService(captchaMemoryCache);
     }