diff --git a/src/main/java/com/glxp/api/util/RedisUtil.java b/src/main/java/com/glxp/api/util/RedisUtil.java
index 51c55a02..44f50351 100644
--- a/src/main/java/com/glxp/api/util/RedisUtil.java
+++ b/src/main/java/com/glxp/api/util/RedisUtil.java
@@ -603,4 +603,20 @@ public class RedisUtil {
         }
         return Collections.emptyList();
     }
+
+
+    /**
+     * 不存在key则缓存放入并设置时间
+     *
+     * @param key   键
+     * @param value 值
+     * @param time  过期时间 (秒)
+     * @return boolean true为set成功,false为key已存在set失败
+     */
+    public boolean setIfAbsent(String key, Object value, long time) {
+        if (StrUtil.isEmpty(key)) {
+            return false;
+        }
+        return Boolean.TRUE.equals(redisTemplate.opsForValue().setIfAbsent(key, value, time, TimeUnit.SECONDS));
+    }
 }