diff --git a/other/java/client/pom.xml b/other/java/client/pom.xml
index db2634b2b..1ea39863f 100644
--- a/other/java/client/pom.xml
+++ b/other/java/client/pom.xml
@@ -50,6 +50,17 @@
             <artifactId>slf4j-api</artifactId>
             <version>1.7.25</version>
         </dependency>
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpmime</artifactId>
+            <version>4.5.6</version>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.12</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <distributionManagement>
diff --git a/other/java/hdfs/src/main/java/seaweed/hdfs/ByteBufferOutputStream.java b/other/java/client/src/main/java/seaweedfs/client/ByteBufferOutputStream.java
similarity index 94%
rename from other/java/hdfs/src/main/java/seaweed/hdfs/ByteBufferOutputStream.java
rename to other/java/client/src/main/java/seaweedfs/client/ByteBufferOutputStream.java
index e9ea81f36..efcc265de 100644
--- a/other/java/hdfs/src/main/java/seaweed/hdfs/ByteBufferOutputStream.java
+++ b/other/java/client/src/main/java/seaweedfs/client/ByteBufferOutputStream.java
@@ -1,4 +1,4 @@
-package seaweed.hdfs;
+package seaweedfs.client;
 
 import java.io.IOException;
 import java.io.OutputStream;
diff --git a/other/java/hdfs/src/main/java/seaweed/hdfs/SeaweedRead.java b/other/java/client/src/main/java/seaweedfs/client/SeaweedRead.java
similarity index 98%
rename from other/java/hdfs/src/main/java/seaweed/hdfs/SeaweedRead.java
rename to other/java/client/src/main/java/seaweedfs/client/SeaweedRead.java
index a4a2e9743..a906a689b 100644
--- a/other/java/hdfs/src/main/java/seaweed/hdfs/SeaweedRead.java
+++ b/other/java/client/src/main/java/seaweedfs/client/SeaweedRead.java
@@ -1,4 +1,4 @@
-package seaweed.hdfs;
+package seaweedfs.client;
 
 import org.apache.http.HttpEntity;
 import org.apache.http.HttpHeaders;
@@ -6,8 +6,6 @@ import org.apache.http.HttpResponse;
 import org.apache.http.client.HttpClient;
 import org.apache.http.client.methods.HttpGet;
 import org.apache.http.impl.client.HttpClientBuilder;
-import seaweedfs.client.FilerGrpcClient;
-import seaweedfs.client.FilerProto;
 
 import java.io.IOException;
 import java.io.OutputStream;
diff --git a/other/java/hdfs/src/main/java/seaweed/hdfs/SeaweedWrite.java b/other/java/client/src/main/java/seaweedfs/client/SeaweedWrite.java
similarity index 96%
rename from other/java/hdfs/src/main/java/seaweed/hdfs/SeaweedWrite.java
rename to other/java/client/src/main/java/seaweedfs/client/SeaweedWrite.java
index ee2131007..a7cede09f 100644
--- a/other/java/hdfs/src/main/java/seaweed/hdfs/SeaweedWrite.java
+++ b/other/java/client/src/main/java/seaweedfs/client/SeaweedWrite.java
@@ -1,4 +1,4 @@
-package seaweed.hdfs;
+package seaweedfs.client;
 
 import org.apache.http.HttpResponse;
 import org.apache.http.client.methods.HttpPost;
@@ -6,8 +6,6 @@ import org.apache.http.entity.mime.HttpMultipartMode;
 import org.apache.http.entity.mime.MultipartEntityBuilder;
 import org.apache.http.impl.client.CloseableHttpClient;
 import org.apache.http.impl.client.HttpClientBuilder;
-import seaweedfs.client.FilerGrpcClient;
-import seaweedfs.client.FilerProto;
 
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
diff --git a/other/java/hdfs/src/test/java/seaweed/hdfs/SeaweedReadTest.java b/other/java/client/src/test/java/seaweedfs/client/SeaweedReadTest.java
similarity index 55%
rename from other/java/hdfs/src/test/java/seaweed/hdfs/SeaweedReadTest.java
rename to other/java/client/src/test/java/seaweedfs/client/SeaweedReadTest.java
index e3ab97910..ccfcdb117 100644
--- a/other/java/hdfs/src/test/java/seaweed/hdfs/SeaweedReadTest.java
+++ b/other/java/client/src/test/java/seaweedfs/client/SeaweedReadTest.java
@@ -1,13 +1,11 @@
-package seaweed.hdfs;
+package seaweedfs.client;
 
+import org.junit.Assert;
 import org.junit.Test;
-import seaweedfs.client.FilerProto;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import static org.junit.Assert.assertEquals;
-
 public class SeaweedReadTest {
 
     @Test
@@ -31,33 +29,33 @@ public class SeaweedReadTest {
             System.out.println("visible:" + visibleInterval);
         }
 
-        assertEquals(visibleIntervals.size(), 2);
+        Assert.assertEquals(visibleIntervals.size(), 2);
 
         SeaweedRead.VisibleInterval visibleInterval = visibleIntervals.get(0);
-        assertEquals(visibleInterval.start, 0);
-        assertEquals(visibleInterval.stop, 100);
-        assertEquals(visibleInterval.modifiedTime, 1000);
-        assertEquals(visibleInterval.fileId, "aaa");
+        Assert.assertEquals(visibleInterval.start, 0);
+        Assert.assertEquals(visibleInterval.stop, 100);
+        Assert.assertEquals(visibleInterval.modifiedTime, 1000);
+        Assert.assertEquals(visibleInterval.fileId, "aaa");
 
         visibleInterval = visibleIntervals.get(1);
-        assertEquals(visibleInterval.start, 100);
-        assertEquals(visibleInterval.stop, 233);
-        assertEquals(visibleInterval.modifiedTime, 2000);
-        assertEquals(visibleInterval.fileId, "bbb");
+        Assert.assertEquals(visibleInterval.start, 100);
+        Assert.assertEquals(visibleInterval.stop, 233);
+        Assert.assertEquals(visibleInterval.modifiedTime, 2000);
+        Assert.assertEquals(visibleInterval.fileId, "bbb");
 
         List<SeaweedRead.ChunkView> chunkViews = SeaweedRead.viewFromVisibles(visibleIntervals, 0, 233);
 
         SeaweedRead.ChunkView chunkView = chunkViews.get(0);
-        assertEquals(chunkView.offset, 0);
-        assertEquals(chunkView.size, 100);
-        assertEquals(chunkView.logicOffset, 0);
-        assertEquals(chunkView.fileId, "aaa");
+        Assert.assertEquals(chunkView.offset, 0);
+        Assert.assertEquals(chunkView.size, 100);
+        Assert.assertEquals(chunkView.logicOffset, 0);
+        Assert.assertEquals(chunkView.fileId, "aaa");
 
         chunkView = chunkViews.get(1);
-        assertEquals(chunkView.offset, 0);
-        assertEquals(chunkView.size, 133);
-        assertEquals(chunkView.logicOffset, 100);
-        assertEquals(chunkView.fileId, "bbb");
+        Assert.assertEquals(chunkView.offset, 0);
+        Assert.assertEquals(chunkView.size, 133);
+        Assert.assertEquals(chunkView.logicOffset, 100);
+        Assert.assertEquals(chunkView.fileId, "bbb");
 
 
     }
diff --git a/other/java/hdfs/pom.xml b/other/java/hdfs/pom.xml
index d8d6f8b8c..a0cab8752 100644
--- a/other/java/hdfs/pom.xml
+++ b/other/java/hdfs/pom.xml
@@ -154,17 +154,6 @@
             <artifactId>hadoop-common</artifactId>
             <version>${hadoop.version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.apache.httpcomponents</groupId>
-            <artifactId>httpmime</artifactId>
-            <version>4.5.6</version>
-        </dependency>
-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <version>4.12</version>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
 
 </project>
diff --git a/other/java/hdfs/src/main/java/seaweed/hdfs/SeaweedFileSystemStore.java b/other/java/hdfs/src/main/java/seaweed/hdfs/SeaweedFileSystemStore.java
index ffc109b20..27678e615 100644
--- a/other/java/hdfs/src/main/java/seaweed/hdfs/SeaweedFileSystemStore.java
+++ b/other/java/hdfs/src/main/java/seaweed/hdfs/SeaweedFileSystemStore.java
@@ -10,6 +10,7 @@ import org.slf4j.LoggerFactory;
 import seaweedfs.client.FilerClient;
 import seaweedfs.client.FilerGrpcClient;
 import seaweedfs.client.FilerProto;
+import seaweedfs.client.SeaweedRead;
 
 import java.io.FileNotFoundException;
 import java.io.IOException;
diff --git a/other/java/hdfs/src/main/java/seaweed/hdfs/SeaweedInputStream.java b/other/java/hdfs/src/main/java/seaweed/hdfs/SeaweedInputStream.java
index c0b296fb9..90c14c772 100644
--- a/other/java/hdfs/src/main/java/seaweed/hdfs/SeaweedInputStream.java
+++ b/other/java/hdfs/src/main/java/seaweed/hdfs/SeaweedInputStream.java
@@ -10,6 +10,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import seaweedfs.client.FilerGrpcClient;
 import seaweedfs.client.FilerProto;
+import seaweedfs.client.SeaweedRead;
 
 import java.io.EOFException;
 import java.io.IOException;
diff --git a/other/java/hdfs/src/main/java/seaweed/hdfs/SeaweedOutputStream.java b/other/java/hdfs/src/main/java/seaweed/hdfs/SeaweedOutputStream.java
index 4dee4bf09..4f307ff96 100644
--- a/other/java/hdfs/src/main/java/seaweed/hdfs/SeaweedOutputStream.java
+++ b/other/java/hdfs/src/main/java/seaweed/hdfs/SeaweedOutputStream.java
@@ -11,6 +11,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import seaweedfs.client.FilerGrpcClient;
 import seaweedfs.client.FilerProto;
+import seaweedfs.client.SeaweedWrite;
 
 import java.io.IOException;
 import java.io.InterruptedIOException;