diff --git a/other/java/client/pom.xml b/other/java/client/pom.xml
index c5b954070..d60351671 100644
--- a/other/java/client/pom.xml
+++ b/other/java/client/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>com.github.chrislusf</groupId>
     <artifactId>seaweedfs-client</artifactId>
-    <version>1.3.8</version>
+    <version>1.3.9</version>
 
     <parent>
         <groupId>org.sonatype.oss</groupId>
diff --git a/other/java/client/pom.xml.deploy b/other/java/client/pom.xml.deploy
index c5b954070..d60351671 100644
--- a/other/java/client/pom.xml.deploy
+++ b/other/java/client/pom.xml.deploy
@@ -5,7 +5,7 @@
 
     <groupId>com.github.chrislusf</groupId>
     <artifactId>seaweedfs-client</artifactId>
-    <version>1.3.8</version>
+    <version>1.3.9</version>
 
     <parent>
         <groupId>org.sonatype.oss</groupId>
diff --git a/other/java/client/pom_debug.xml b/other/java/client/pom_debug.xml
index ebdf2e3af..c9fb256d4 100644
--- a/other/java/client/pom_debug.xml
+++ b/other/java/client/pom_debug.xml
@@ -5,7 +5,7 @@
 
     <groupId>com.github.chrislusf</groupId>
     <artifactId>seaweedfs-client</artifactId>
-    <version>1.3.8</version>
+    <version>1.3.9</version>
 
     <parent>
         <groupId>org.sonatype.oss</groupId>
diff --git a/other/java/hdfs2/dependency-reduced-pom.xml b/other/java/hdfs2/dependency-reduced-pom.xml
index 287200fd1..62cd798b4 100644
--- a/other/java/hdfs2/dependency-reduced-pom.xml
+++ b/other/java/hdfs2/dependency-reduced-pom.xml
@@ -127,7 +127,7 @@
     </snapshotRepository>
   </distributionManagement>
   <properties>
-    <seaweedfs.client.version>1.3.8</seaweedfs.client.version>
+    <seaweedfs.client.version>1.3.9</seaweedfs.client.version>
     <hadoop.version>2.9.2</hadoop.version>
   </properties>
 </project>
diff --git a/other/java/hdfs2/pom.xml b/other/java/hdfs2/pom.xml
index 150e37e41..1f4e7aebc 100644
--- a/other/java/hdfs2/pom.xml
+++ b/other/java/hdfs2/pom.xml
@@ -5,7 +5,7 @@
     <modelVersion>4.0.0</modelVersion>
 
     <properties>
-        <seaweedfs.client.version>1.3.8</seaweedfs.client.version>
+        <seaweedfs.client.version>1.3.9</seaweedfs.client.version>
         <hadoop.version>2.9.2</hadoop.version>
     </properties>
 
diff --git a/other/java/hdfs2/src/main/java/seaweed/hdfs/SeaweedOutputStream.java b/other/java/hdfs2/src/main/java/seaweed/hdfs/SeaweedOutputStream.java
index c1e7b593d..46de0c443 100644
--- a/other/java/hdfs2/src/main/java/seaweed/hdfs/SeaweedOutputStream.java
+++ b/other/java/hdfs2/src/main/java/seaweed/hdfs/SeaweedOutputStream.java
@@ -184,9 +184,9 @@ public class SeaweedOutputStream extends OutputStream {
             waitForTaskToComplete();
         }
         final Future<Void> job = completionService.submit(() -> {
-            System.out.println(path + " is going to save [" + (writePosition) + "," + ((writePosition) + bytesLength) + ")");
+            // System.out.println(path + " is going to save [" + (writePosition) + "," + ((writePosition) + bytesLength) + ")");
             SeaweedWrite.writeData(entry, replication, filerGrpcClient, writePosition, bufferToWrite.array(), bufferToWrite.position(), bufferToWrite.limit());
-            System.out.println(path + " saved [" + (writePosition) + "," + ((writePosition) + bytesLength) + ")");
+            // System.out.println(path + " saved [" + (writePosition) + "," + ((writePosition) + bytesLength) + ")");
             bufferToWrite.clear();
             ByteBufferPool.release(bufferToWrite);
             return null;
diff --git a/other/java/hdfs3/dependency-reduced-pom.xml b/other/java/hdfs3/dependency-reduced-pom.xml
index 51c4a4473..5a077cb31 100644
--- a/other/java/hdfs3/dependency-reduced-pom.xml
+++ b/other/java/hdfs3/dependency-reduced-pom.xml
@@ -15,8 +15,8 @@
       <plugin>
         <artifactId>maven-compiler-plugin</artifactId>
         <configuration>
-          <source>7</source>
-          <target>7</target>
+          <source>8</source>
+          <target>8</target>
         </configuration>
       </plugin>
       <plugin>
@@ -127,7 +127,7 @@
     </snapshotRepository>
   </distributionManagement>
   <properties>
-    <seaweedfs.client.version>1.3.8</seaweedfs.client.version>
+    <seaweedfs.client.version>1.3.9</seaweedfs.client.version>
     <hadoop.version>3.1.1</hadoop.version>
   </properties>
 </project>
diff --git a/other/java/hdfs3/pom.xml b/other/java/hdfs3/pom.xml
index cf7a6a632..e289a1855 100644
--- a/other/java/hdfs3/pom.xml
+++ b/other/java/hdfs3/pom.xml
@@ -5,7 +5,7 @@
     <modelVersion>4.0.0</modelVersion>
 
     <properties>
-        <seaweedfs.client.version>1.3.8</seaweedfs.client.version>
+        <seaweedfs.client.version>1.3.9</seaweedfs.client.version>
         <hadoop.version>3.1.1</hadoop.version>
     </properties>
 
diff --git a/other/java/hdfs3/src/main/java/seaweed/hdfs/SeaweedOutputStream.java b/other/java/hdfs3/src/main/java/seaweed/hdfs/SeaweedOutputStream.java
index d5c8ae521..c602a0d81 100644
--- a/other/java/hdfs3/src/main/java/seaweed/hdfs/SeaweedOutputStream.java
+++ b/other/java/hdfs3/src/main/java/seaweed/hdfs/SeaweedOutputStream.java
@@ -231,9 +231,9 @@ public class SeaweedOutputStream extends OutputStream implements Syncable, Strea
             waitForTaskToComplete();
         }
         final Future<Void> job = completionService.submit(() -> {
-            System.out.println(path + " is going to save [" + (writePosition) + "," + ((writePosition) + bytesLength) + ")");
+            // System.out.println(path + " is going to save [" + (writePosition) + "," + ((writePosition) + bytesLength) + ")");
             SeaweedWrite.writeData(entry, replication, filerGrpcClient, writePosition, bufferToWrite.array(), bufferToWrite.position(), bufferToWrite.limit());
-            System.out.println(path + " saved [" + (writePosition) + "," + ((writePosition) + bytesLength) + ")");
+            // System.out.println(path + " saved [" + (writePosition) + "," + ((writePosition) + bytesLength) + ")");
             bufferToWrite.clear();
             ByteBufferPool.release(bufferToWrite);
             return null;