diff --git a/src/client/Client.java b/src/client/Client.java
index 5519241..7ee2052 100644
--- a/src/client/Client.java
+++ b/src/client/Client.java
@@ -53,7 +53,7 @@ public class Client {
 
 	private static void setupConnection() throws IOException {
 		String ip = "localhost";
-		int port = 8888;
+		int port = 9999;
 		socket = new Socket(ip, port);
 		buf = new BufferedReader(new InputStreamReader(socket.getInputStream(), "utf-8"));
 		write = new PrintWriter(new OutputStreamWriter(socket.getOutputStream(), "utf-8"), true);
@@ -79,7 +79,10 @@ public class Client {
 					update();
 					break;
 				case 6:
-					export();
+					ExportToCSV.to("output.csv", "select * from book");
+					break;
+				case 7:
+					ExportToXLS.to("select * from book", "output.xls");
 					break;
 				default:
 					break;
@@ -93,8 +96,7 @@ public class Client {
 		try {
 			Map<String, Object> map = new HashMap<>();
 			map.put("code", 8);
-			if (write != null)
-				write.println(new Gson().toJson(map));
+			write.println(new Gson().toJson(map));
 			if (socket != null)
 				socket.close();
 		} catch (Exception e) {
@@ -142,8 +144,9 @@ public class Client {
 		System.out.println("3. Querying library data;");
 		System.out.println("4. Deleting library data;");
 		System.out.println("5. Modifying library data;");
-		System.out.println("6. Exporting library data;");
-		System.out.println("7. Exiting Assistant.");
+		System.out.println("6. Exporting library data to a CSV file;");
+		System.out.println("7. Exporting library data to an XLS file;");
+		System.out.println("8. Exiting Assistant.");
 		System.out.println("Please enter options (1-8):");
 		int choose = scan.nextInt();
 		scan.nextLine();
@@ -330,25 +333,4 @@ public class Client {
 			System.out.println("No record found to update price!");
 		}
 	}
-
-	private static void export() {
-		System.out.println("====== Exporting library data =======");
-		System.out.println("1. Exporting to CSV file;");
-		System.out.println("2. Exporting to XLS file;");
-		System.out.println("3. Return to previous menu.");
-		System.out.println("Please enter options (1-3):");
-		int choice = scan.nextInt();
-		scan.nextLine();
-		switch (choice) {
-			case 1:
-				ExportToCSV.to("output.csv", "SELECT * FROM book");
-				break;
-			case 2:
-				ExportToXLS.to("SELECT * FROM book", "output.xls");
-				break;
-			default:
-				System.out.println("Returning to previous menu.");
-				break;
-		}
-	}
 }
diff --git a/src/server/Server.java b/src/server/Server.java
index d7d8f0d..a04911b 100644
--- a/src/server/Server.java
+++ b/src/server/Server.java
@@ -6,7 +6,7 @@ import java.net.Socket;
 import server.thread.HandleThread;
 
 public class Server {
-	private static final int PORT = 8888;
+	private static final int PORT = 9999;
 
 	public static void main(String[] args) {
 		try (ServerSocket server = new ServerSocket(PORT)) {