diff --git a/pom.xml b/pom.xml
index 59fe5d5a..b42a97fe 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 
     <groupId>com.aliyun.oss</groupId>
     <artifactId>aliyun-sdk-oss</artifactId>
-    <version>3.4.1</version>
+    <version>3.4.2</version>
     <packaging>jar</packaging>
     <name>Aliyun OSS SDK for Java</name>
     <description>The Aliyun OSS SDK for Java used for accessing Aliyun Object Storage Service</description>
diff --git a/src/main/java/com/aliyun/oss/OSSClient.java b/src/main/java/com/aliyun/oss/OSSClient.java
index f8a4c8a4..c667de5f 100644
--- a/src/main/java/com/aliyun/oss/OSSClient.java
+++ b/src/main/java/com/aliyun/oss/OSSClient.java
@@ -257,7 +257,7 @@ private boolean isIpOrLocalhost(URI uri) {
             return false;
         }
 
-        if (ia.getHostName().equals(ia.getHostAddress())) {
+        if (uri.getHost().equals(ia.getHostAddress())) {
             return true;
         }
 
diff --git a/src/main/resources/versioninfo.properties b/src/main/resources/versioninfo.properties
index 1e95b09f..7ca723a7 100644
--- a/src/main/resources/versioninfo.properties
+++ b/src/main/resources/versioninfo.properties
@@ -1 +1 @@
-version=3.4.1
+version=3.4.2
diff --git a/src/test/java/com/aliyun/oss/common/utils/VersionUtilTest.java b/src/test/java/com/aliyun/oss/common/utils/VersionUtilTest.java
index 72a7b5ea..2e58e7e8 100644
--- a/src/test/java/com/aliyun/oss/common/utils/VersionUtilTest.java
+++ b/src/test/java/com/aliyun/oss/common/utils/VersionUtilTest.java
@@ -28,7 +28,7 @@ public class VersionUtilTest {
     @Test
     public void testGetDefaultUserAgent() { 
         String userAgent = VersionInfoUtils.getDefaultUserAgent();
-        assertTrue(userAgent.startsWith("aliyun-sdk-java/3.4.1("));
+        assertTrue(userAgent.startsWith("aliyun-sdk-java/3.4.2("));
         assertEquals(userAgent.split("/").length, 4);
         assertEquals(userAgent.split(";").length, 2);
         assertEquals(userAgent.split("\\(").length, 2);