diff --git a/src/main/java/cn/ms/sequence/Sequence.java b/src/main/java/cn/ms/sequence/Sequence.java
index 92ee6c24d10c5229510fc05dc060960dae430ce8..b3dd2a4f2157e6f86931e3c77664982047fc6575 100644
--- a/src/main/java/cn/ms/sequence/Sequence.java
+++ b/src/main/java/cn/ms/sequence/Sequence.java
@@ -1,7 +1,6 @@
 package cn.ms.sequence;
 
 import java.net.InetAddress;
-import java.net.UnknownHostException;
 import java.util.concurrent.ThreadLocalRandom;
 
 /**