diff --git a/src/CSRedisCore/CSRedisClient.cs b/src/CSRedisCore/CSRedisClient.cs
index f18d433..3c5289c 100644
--- a/src/CSRedisCore/CSRedisClient.cs
+++ b/src/CSRedisCore/CSRedisClient.cs
@@ -4407,7 +4407,7 @@ public bool Delay(int milliseconds)
         /// <returns>成功/失败</returns>
         public bool Refresh(int milliseconds)
         {
-            var ret = RedisHelper.Eval(@"local gva = redis.call('GET', KEYS[1])
+            var ret = _client.Eval(@"local gva = redis.call('GET', KEYS[1])
 if gva == ARGV[1] then
   redis.call('PEXPIRE', KEYS[1], ARGV[2])
   return 1