diff --git a/.vscode/launch.json b/.vscode/launch.json
index 1429a1b..9d84663 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -6,6 +6,13 @@
     "configurations": [
         {
             "type": "java",
+            "name": "ServerTesterApp",
+            "request": "launch",
+            "mainClass": "info.istlab.ServerTester.ServerTesterApp",
+            "projectName": "KisoServerTester"
+        },
+        {
+            "type": "java",
             "name": "ListNetworkInterfaces",
             "request": "launch",
             "mainClass": "info.istlab.ServerTester.ListNetworkInterfaces",
diff --git a/README.md b/README.md
index 0cb5b9a..838d483 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@
 
 ## 実行方法
 
-ターミナルで  ```mvn compile exec:java``` をすると、コンパイルして実行します。
+ターミナルで  ```mvn compile exec:exec``` をすると、コンパイルして実行します。
 
 
 ### 最初に起動するサーバ群のカスタマイズ
diff --git a/pom.xml b/pom.xml
index 56d0f8d..06bbb9c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -51,10 +51,31 @@
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>exec-maven-plugin</artifactId>
         <version>3.0.0</version>
+        <executions>
+            <execution>
+                <goals>
+                    <goal>exec</goal>
+                </goals>
+            </execution>
+        </executions>
+        <configuration>
+            <executable>java</executable>
+            <arguments>
+                <argument>-cp</argument>
+                <classpath/>
+                <argument>info.istlab.ServerTester.ServerTesterApp</argument>
+            </arguments>
+        </configuration>
+    </plugin>
+
+      <!-- <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>exec-maven-plugin</artifactId>
+        <version>3.0.0</version>
         <configuration>
           <mainClass>info.istlab.ServerTester.App</mainClass>
         </configuration>
-      </plugin>
+      </plugin> -->
 
       <plugin>
         <artifactId>maven-assembly-plugin</artifactId>
@@ -73,7 +94,7 @@
 
           <archive>
             <manifest>
-              <mainClass>info.istlab.ServerTester.App</mainClass>
+              <mainClass>info.istlab.ServerTester.ServerTesterApp</mainClass>
             </manifest>
             <manifestEntries>
               <Permissions>all-permissions</Permissions>
diff --git a/src/main/java/info/istlab/ServerTester/Host.java b/src/main/java/info/istlab/ServerTester/Host.java
index f4a1285..0e3b53f 100644
--- a/src/main/java/info/istlab/ServerTester/Host.java
+++ b/src/main/java/info/istlab/ServerTester/Host.java
@@ -1,6 +1,7 @@
 package info.istlab.ServerTester;
 
 import java.awt.BorderLayout;
+import java.awt.Point;
 
 import javax.swing.BorderFactory;
 import javax.swing.BoxLayout;
@@ -17,13 +18,13 @@
     public MulticastReceiver multicastReceiver;
 
     public Host() {
-        setTitle("サーバ管理ウィンドウ "+App.primaryInterface.getDisplayName() + " " + App.primaryInetAddr.getHostAddress());
+        setTitle("サーバ管理ウィンドウ " + App.primaryInterface.getDisplayName() + " " + App.primaryInetAddr.getHostAddress());
         setSize(300, 200);
         setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
         addWindowListener(new java.awt.event.WindowAdapter() {
             @Override
             public void windowClosing(java.awt.event.WindowEvent windowEvent) {
-                if (multicastReceiver != null){
+                if (multicastReceiver != null) {
                     multicastReceiver.sender.sendnofity();
                 }
                 System.exit(0);
@@ -67,14 +68,15 @@
                         e1.printStackTrace();
                     }
                 }
-                multicastReceiver = new MulticastReceiver(54320 + Integer.parseInt(item.getText())); // 54320 + 班の番号 のポート番号で待つ
+                multicastReceiver = new MulticastReceiver(54320 + Integer.parseInt(item.getText())); // 54320 + 班の番号
+                                                                                                     // のポート番号で待つ
             });
         }
 
         // JMenuItem sendItem = new JMenuItem("このホストのサーバ情報をブロードキャストで送信");
         // menu.add(sendItem);
         // sendItem.addActionListener(e -> {
-        //     new UDPClient(mainPanel, udpServer.port);
+        // new UDPClient(mainPanel, udpServer.port);
         // });
 
         JMenuItem showItem = new JMenuItem("RemoteHosts ウィンドウを表示");
@@ -101,4 +103,8 @@
         new Host();
     }
 
+    public Point nextTo(int dx, int dy) {
+        return new Point(getLocation().x + getWidth() + dx, getLocation().y + dy);
+    }
+
 }
diff --git a/src/main/java/info/istlab/ServerTester/RemoteHostsWindow.java b/src/main/java/info/istlab/ServerTester/RemoteHostsWindow.java
index 4512ccc..381cee5 100644
--- a/src/main/java/info/istlab/ServerTester/RemoteHostsWindow.java
+++ b/src/main/java/info/istlab/ServerTester/RemoteHostsWindow.java
@@ -42,10 +42,9 @@
             tabbedPane.add(addr, rhp);
             panels.put(addr, rhp);
         }
-        frame.setLocation(50, 400);
+        frame.setLocation(Host.mainhost.nextTo(10,10));
         frame.pack();
         frame.setVisible(true);
-
     }
 
     public void updateData(String addr, String value) {
diff --git a/src/main/java/info/istlab/ServerTester/ServerTesterApp.java b/src/main/java/info/istlab/ServerTester/ServerTesterApp.java
new file mode 100644
index 0000000..08a9869
--- /dev/null
+++ b/src/main/java/info/istlab/ServerTester/ServerTesterApp.java
@@ -0,0 +1,7 @@
+package info.istlab.ServerTester;
+
+public class ServerTesterApp {
+    public static void main(String[] args) {
+        App.main(args);
+    }
+}