diff --git a/src/main/java/cn/axzo/pokonyan/client/impl/RedisRateLimiterImpl.java b/src/main/java/cn/axzo/pokonyan/client/impl/RedisRateLimiterImpl.java
index 5c1c675..689d9d8 100644
--- a/src/main/java/cn/axzo/pokonyan/client/impl/RedisRateLimiterImpl.java
+++ b/src/main/java/cn/axzo/pokonyan/client/impl/RedisRateLimiterImpl.java
@@ -83,11 +83,8 @@ public class RedisRateLimiterImpl implements RateLimiter {
     class SlidingWindowRateLimiter implements RateLimiterWorker {
         public boolean tryAcquire(Object value) {
             String key = buildRedisKey(value);
-            long now = System.currentTimeMillis();
 
             RRateLimiter rateLimiter = redissonClient.getRateLimiter(key);
-
-            rateLimiter.availablePermits();
             if (!rateLimiter.isExists()) {
                 rateLimiter.trySetRate(RateType.OVERALL, limitRule.getPermits(), limitRule.getSeconds(), RateIntervalUnit.SECONDS);
             }