diff --git a/.run/1.3 AbstractExtends.run.xml b/.run/1.3 AbstractExtends.run.xml
index 7fa12a8..57362d4 100644
--- a/.run/1.3 AbstractExtends.run.xml	
+++ b/.run/1.3 AbstractExtends.run.xml	
@@ -1,7 +1,7 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="1.3 AbstractExtends" type="Application" factoryName="Application">
     <option name="MAIN_CLASS_NAME" value="net.lensfrex.Main" />
-    <module name="exp3-network" />
+    <module name="exp1-oop" />
     <option name="PROGRAM_PARAMETERS" value="3" />
     <extension name="coverage">
       <pattern>
diff --git a/exp1-oop/pom.xml b/exp1-oop/pom.xml
index ddbc550..99fd838 100644
--- a/exp1-oop/pom.xml
+++ b/exp1-oop/pom.xml
@@ -17,4 +17,28 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
+    <build>
+        <finalName>exp1-oop</finalName>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <configuration>
+                    <archive>
+                        <manifest>
+                            <mainClass>net.lensfrex.Main</mainClass>
+                        </manifest>
+                    </archive>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
 </project>
\ No newline at end of file
diff --git a/exp1-oop/src/main/java/net/lensfrex/AbstractExtends.java b/exp1-oop/src/main/java/net/lensfrex/AbstractExtends.java
index b69b5b3..f148df8 100644
--- a/exp1-oop/src/main/java/net/lensfrex/AbstractExtends.java
+++ b/exp1-oop/src/main/java/net/lensfrex/AbstractExtends.java
@@ -6,6 +6,22 @@ public class AbstractExtends {
 
         father.method1();
         father.method2();
+
+        // 匿名类的方式实现
+        Father father1 = new Father() {
+            @Override
+            public void method1() {
+                System.out.println("Do some thing in method1");
+            }
+
+            @Override
+            public void method2() {
+                System.out.println("Do some thing in method2");
+            }
+        };
+
+        father1.method1();
+        father1.method2();
     }
 }
 
diff --git a/exp2-thread/pom.xml b/exp2-thread/pom.xml
index beedaf0..b7f0044 100644
--- a/exp2-thread/pom.xml
+++ b/exp2-thread/pom.xml
@@ -17,4 +17,28 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
+    <build>
+        <finalName>exp2-thread</finalName>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <configuration>
+                    <archive>
+                        <manifest>
+                            <mainClass>net.lensfrex.Main</mainClass>
+                        </manifest>
+                    </archive>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
 </project>
\ No newline at end of file
diff --git a/exp3-network/pom.xml b/exp3-network/pom.xml
index 69a6ede..9b46a73 100644
--- a/exp3-network/pom.xml
+++ b/exp3-network/pom.xml
@@ -16,14 +16,9 @@
         <maven.compiler.target>8</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
-    <dependencies>
-        <dependency>
-            <groupId>commons-io</groupId>
-            <artifactId>commons-io</artifactId>
-            <version>2.11.0</version>
-        </dependency>
-    </dependencies>
+
     <build>
+        <finalName>exp3-network</finalName>
         <plugins>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
@@ -33,6 +28,17 @@
                     <target>1.8</target>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <configuration>
+                    <archive>
+                        <manifest>
+                            <mainClass>net.lensfrex.Main</mainClass>
+                        </manifest>
+                    </archive>
+                </configuration>
+            </plugin>
         </plugins>
     </build>
 
diff --git a/exp3-network/src/main/java/net/lensfrex/socket/client/Client.java b/exp3-network/src/main/java/net/lensfrex/socket/client/Client.java
index 6511cd2..1b9d4be 100644
--- a/exp3-network/src/main/java/net/lensfrex/socket/client/Client.java
+++ b/exp3-network/src/main/java/net/lensfrex/socket/client/Client.java
@@ -113,7 +113,7 @@ class UI {
                 this.changeLoginStatus(true);
             } catch (Exception ex) {
                 ex.printStackTrace();
-                messageTextArea.textProperty().set("请求服务器时发生错误：" + ex);
+                messageTextArea.textProperty().set(messageTextArea.getText() + "请求服务器时发生错误：" + ex);
             }
         });
 
@@ -167,6 +167,7 @@ class UI {
                 MessageData messageData = new MessageData(usernameTextField.getText(), messageTextField.getText());
                 DataPack responseDataPack = this.sendData(messageData.toBytes(), Constant.OPCODE_SEND_MESSAGE);
 
+                messageTextField.textProperty().set("");
                 this.displayResponse(responseDataPack);
             } catch (Exception ex) {
                 ex.printStackTrace();
diff --git a/exp3-network/src/main/java/net/lensfrex/socket/server/Server.java b/exp3-network/src/main/java/net/lensfrex/socket/server/Server.java
index 3d94f60..49e5f24 100644
--- a/exp3-network/src/main/java/net/lensfrex/socket/server/Server.java
+++ b/exp3-network/src/main/java/net/lensfrex/socket/server/Server.java
@@ -42,6 +42,8 @@ class ServerThread extends Thread {
 
     @Override
     public void run() {
+        System.out.println("New thread started.");
+
         try (InputStream inputStream = socket.getInputStream(); OutputStream outputStream = socket.getOutputStream()) {
             byte[] clientMagicHeader = new byte[Constant.MAGIC_HEADER.length];
             if (inputStream.read(clientMagicHeader) == -1) {
@@ -64,15 +66,17 @@ class ServerThread extends Thread {
         if (Arrays.equals(Constant.OPCODE_LOGIN, opcode)) {
             this.login(new String(dataPack.getData()));
             Common.writeMessage(SERVER_ID, Constant.MESSAGE_OK, outputStream);
+
         } else if (Arrays.equals(Constant.OPCODE_LOGOUT, opcode)) {
             this.logout(new String(dataPack.getData()));
             Common.writeMessage(SERVER_ID, Constant.MESSAGE_OK, outputStream);
+
         } else if (Arrays.equals(Constant.OPCODE_REQUEST_MESSAGE, opcode)) {
             this.sendRandomMessage(outputStream);
+
         } else if (Arrays.equals(Constant.OPCODE_SEND_MESSAGE, opcode)) {
             String receivedMessage = this.receiveMessage(dataPack);
             String responseMessage = String.format("Receive message '%s'",  receivedMessage);
-
             Common.writeMessage(SERVER_ID, responseMessage, outputStream);
         }
     }
diff --git a/pom.xml b/pom.xml
index 6d238f4..caca72c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,5 +19,27 @@
         <maven.compiler.target>8</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
-
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <configuration>
+                    <archive>
+                        <manifest>
+                            <mainClass>net.lensfrex.Main</mainClass>
+                        </manifest>
+                    </archive>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
 </project>
\ No newline at end of file