diff --git a/ruoyi-bussiness/src/main/java/com/ruoyi/cms/service/impl/ESJobSearchImpl.java b/ruoyi-bussiness/src/main/java/com/ruoyi/cms/service/impl/ESJobSearchImpl.java
index 20d1223..92b81c2 100644
--- a/ruoyi-bussiness/src/main/java/com/ruoyi/cms/service/impl/ESJobSearchImpl.java
+++ b/ruoyi-bussiness/src/main/java/com/ruoyi/cms/service/impl/ESJobSearchImpl.java
@@ -94,9 +94,10 @@ public class ESJobSearchImpl implements IESJobSearchService
     private boolean acquireDistributedLock() throws InterruptedException {
         long start = System.currentTimeMillis();
         while (System.currentTimeMillis() - start < WAIT_LOCK_SECONDS * 1000) {
-            boolean lockExists = redisCache.hasKey(ES_INIT_LOCK_KEY);
-            if (!lockExists) {
-                redisCache.setCacheObject(ES_INIT_LOCK_KEY, "es_init_locked", LOCK_EXPIRE_SECONDS, TimeUnit.SECONDS);
+            boolean success = redisCache.setIfAbsent(ES_INIT_LOCK_KEY,"es_init_locked",
+                    LOCK_EXPIRE_SECONDS,TimeUnit.SECONDS
+            );
+            if (success) {
                 logger.info("成功获取ES初始化分布式锁，key：{}", ES_INIT_LOCK_KEY);
                 return true;
             }
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/core/redis/RedisCache.java b/ruoyi-common/src/main/java/com/ruoyi/common/core/redis/RedisCache.java
index 44e80d8..fa87989 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/core/redis/RedisCache.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/core/redis/RedisCache.java
@@ -265,4 +265,17 @@ public class RedisCache
     {
         return redisTemplate.keys(pattern);
     }
+
+    /**
+     * 分布式锁：不存在则设置缓存（原子操作）
+     * @param key 缓存键
+     * @param value 缓存值
+     * @param timeout 过期时间
+     * @param unit 时间单位
+     * @return true=设置成功（获取锁），false=已存在（未获取锁）
+     */
+    public boolean setIfAbsent(String key, Object value, long timeout, TimeUnit unit) {
+        Boolean result = redisTemplate.opsForValue().setIfAbsent(key, value, timeout, unit);
+        return Boolean.TRUE.equals(result);
+    }
 }