diff --git a/xtools-boot-cache/xtools-boot-cache-redis/src/main/java/xtools/boot/cache/redis/base/RedisService.java b/xtools-boot-cache/xtools-boot-cache-redis/src/main/java/xtools/boot/cache/redis/base/RedisService.java
index 0373732..32197d8 100644
--- a/xtools-boot-cache/xtools-boot-cache-redis/src/main/java/xtools/boot/cache/redis/base/RedisService.java
+++ b/xtools-boot-cache/xtools-boot-cache-redis/src/main/java/xtools/boot/cache/redis/base/RedisService.java
@@ -248,6 +248,20 @@ public class RedisService implements BaseParams {
         return stringRedisTemplate.expire(key, timeout, TimeUnit.SECONDS);
     }
 
+    /**
+     * 获取key的过期时间(秒)
+     *
+     * @param key Key
+     * @return 过期时间(秒)
+     */
+    public Long getExpire(String key) {
+        // 参数校验
+        if (StringUtils.isEmpty(key)) {
+            return null;
+        }
+        return stringRedisTemplate.getExpire(key);
+    }
+
     /**
      * 取消对 Key 过期时间的设置
      *