diff --git a/pom.xml b/pom.xml
index 7485dc4..cfe3f56 100644
--- a/pom.xml
+++ b/pom.xml
@@ -37,7 +37,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
-        <version>3.5.1</version>
+        <!--<version>3.5.1</version>-->
         <configuration>
           <encoding>UTF-8</encoding>
           <source>${jdk.version}</source>
diff --git a/src/main/java/org/csource/fastdfs/StorageClient.java b/src/main/java/org/csource/fastdfs/StorageClient.java
index ec4cb7b..9d5c3fa 100644
--- a/src/main/java/org/csource/fastdfs/StorageClient.java
+++ b/src/main/java/org/csource/fastdfs/StorageClient.java
@@ -28,6 +28,8 @@ public class StorageClient {
   protected StorageServer storageServer;
   protected byte errno;
 
+
+
   /**
    * constructor using global settings in class ClientGlobal
    */
@@ -1760,6 +1762,22 @@ public class StorageClient {
     trackerServer.close();
   }
 
+  public TrackerServer getTrackerServer() {
+    return trackerServer;
+  }
+
+  public void setTrackerServer(TrackerServer trackerServer) {
+    this.trackerServer = trackerServer;
+  }
+
+  public StorageServer getStorageServer() {
+    return storageServer;
+  }
+
+  public void setStorageServer(StorageServer storageServer) {
+    this.storageServer = storageServer;
+  }
+
   /**
    * Upload file by file buff
    *
diff --git a/src/test/java/org/csource/fastdfs/FdfsTest.java b/src/test/java/org/csource/fastdfs/FdfsTest.java
index 5dae203..2893114 100644
--- a/src/test/java/org/csource/fastdfs/FdfsTest.java
+++ b/src/test/java/org/csource/fastdfs/FdfsTest.java
@@ -39,9 +39,9 @@ public class FdfsTest {
     @After
     public void closeClient() {
         LOGGER.info("close connection");
-        if(trackerServer != null){
+        if(storageClient != null){
             try {
-                trackerServer.finalize();
+               storageClient.close();
             }catch (Exception e){
                 e.printStackTrace();
             }catch (Throwable e){