diff --git a/xservice-cache-starter/src/main/java/com/xiang/xservice/cache/service/IRedisService.java b/xservice-cache-starter/src/main/java/com/xiang/xservice/cache/service/IRedisService.java
index 74018b2..db599ae 100644
--- a/xservice-cache-starter/src/main/java/com/xiang/xservice/cache/service/IRedisService.java
+++ b/xservice-cache-starter/src/main/java/com/xiang/xservice/cache/service/IRedisService.java
@@ -73,6 +73,15 @@ public interface IRedisService {
      */
     Boolean hasKey(String group, String key);
 
+    /**
+     * 设置过期时间
+     * @param key       key
+     * @param timeout   过期时间
+     * @param unit      时间单位
+     * @return          是否成功
+     */
+    Boolean expire(String key, long timeout, TimeUnit unit);
+
     /**
      * 设置过期时间
      * @param group     项目名称
diff --git a/xservice-cache-starter/src/main/java/com/xiang/xservice/cache/service/RedisServiceImpl.java b/xservice-cache-starter/src/main/java/com/xiang/xservice/cache/service/RedisServiceImpl.java
index 8c2cf3e..4c1e221 100644
--- a/xservice-cache-starter/src/main/java/com/xiang/xservice/cache/service/RedisServiceImpl.java
+++ b/xservice-cache-starter/src/main/java/com/xiang/xservice/cache/service/RedisServiceImpl.java
@@ -62,6 +62,11 @@ public class RedisServiceImpl implements IRedisService {
         return redisTemplate.hasKey(buildKey(group, key));
     }
 
+    @Override
+    public Boolean expire(String key, long timeout, TimeUnit unit) {
+        return expire(group, key, timeout, unit);
+    }
+
     @Override
     public Boolean expire(String group, String key, long timeout, TimeUnit unit) {
         return redisTemplate.expire(buildKey(group, key), timeout, unit);