diff --git a/pom.xml b/pom.xml
index fe0f531..13b8e5f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -47,6 +47,12 @@
             <artifactId>spring-boot-starter</artifactId>
         </dependency>
 
+        <!--springboot-websocket-->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-websocket</artifactId>
+        </dependency>
+
         <!--springboot-test-->
         <dependency>
             <groupId>org.springframework.boot</groupId>
diff --git a/src/main/java/com/example/catchTheLetters/config/WebSocketConfig.java b/src/main/java/com/example/catchTheLetters/config/WebSocketConfig.java
new file mode 100644
index 0000000..fc898ae
--- /dev/null
+++ b/src/main/java/com/example/catchTheLetters/config/WebSocketConfig.java
@@ -0,0 +1,21 @@
+package com.example.catchTheLetters.config;
+
+import com.example.catchTheLetters.handler.WebSocketHandler;
+import jakarta.annotation.Resource;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.socket.config.annotation.EnableWebSocket;
+import org.springframework.web.socket.config.annotation.WebSocketConfigurer;
+import org.springframework.web.socket.config.annotation.WebSocketHandlerRegistry;
+
+@Configuration
+@EnableWebSocket
+public class WebSocketConfig implements WebSocketConfigurer {
+
+    @Resource
+    private WebSocketHandler webSocketHandler;
+
+    @Override
+    public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
+        registry.addHandler(webSocketHandler, "/ws");
+    }
+}
diff --git a/src/main/java/com/example/catchTheLetters/entity/GameRoom.java b/src/main/java/com/example/catchTheLetters/entity/GameRoom.java
new file mode 100644
index 0000000..57bd85c
--- /dev/null
+++ b/src/main/java/com/example/catchTheLetters/entity/GameRoom.java
@@ -0,0 +1,38 @@
+package com.example.catchTheLetters.entity;
+
+import com.example.catchTheLetters.enums.Status;
+import com.example.catchTheLetters.model.vo.Letter;
+import org.springframework.web.socket.WebSocketSession;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class GameRoom {
+    private List<WebSocketSession> players = new ArrayList<>();
+    private Status status = Status.WAITING;
+
+    public void addPlayer(WebSocketSession session) {
+        players.add(session);
+    }
+
+    public void removePlayer(WebSocketSession session) {
+        players.remove(session);
+    }
+
+    public void startGame() {
+        status = Status.PLAYING;
+    }
+
+    public void endGame() {
+        status = Status.END;
+    }
+
+    public void handleInput(WebSocketSession session, String input) {
+        // 处理玩家输入
+    }
+
+    public Letter generateLetter() {
+        // 生成字母
+        return null;
+    }
+}
diff --git a/src/main/java/com/example/catchTheLetters/enums/Status.java b/src/main/java/com/example/catchTheLetters/enums/Status.java
new file mode 100644
index 0000000..58dccdc
--- /dev/null
+++ b/src/main/java/com/example/catchTheLetters/enums/Status.java
@@ -0,0 +1,5 @@
+package com.example.catchTheLetters.enums;
+
+public enum Status {
+    WAITING, PLAYING, END
+}
diff --git a/src/main/java/com/example/catchTheLetters/handler/WebSocketHandler.java b/src/main/java/com/example/catchTheLetters/handler/WebSocketHandler.java
new file mode 100644
index 0000000..e1302d7
--- /dev/null
+++ b/src/main/java/com/example/catchTheLetters/handler/WebSocketHandler.java
@@ -0,0 +1,15 @@
+package com.example.catchTheLetters.handler;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.socket.TextMessage;
+import org.springframework.web.socket.WebSocketSession;
+import org.springframework.web.socket.handler.TextWebSocketHandler;
+
+@Controller
+public class WebSocketHandler extends TextWebSocketHandler {
+
+    @Override
+    public void handleTextMessage(WebSocketSession session, TextMessage message) {
+        // 处理接收到的消息
+    }
+}
diff --git a/src/main/java/com/example/catchTheLetters/model/vo/Letter.java b/src/main/java/com/example/catchTheLetters/model/vo/Letter.java
new file mode 100644
index 0000000..d44f59c
--- /dev/null
+++ b/src/main/java/com/example/catchTheLetters/model/vo/Letter.java
@@ -0,0 +1,15 @@
+package com.example.catchTheLetters.model.vo;
+
+public class Letter {
+    // 字母值，如果是10则是加血
+    private String letterVal;
+
+    // 下落速度
+    private float speed = 3f;
+
+    // 字母的x坐标
+    private float x;
+
+    // 字母的y坐标
+    private float y;
+}
diff --git a/src/main/java/com/example/catchTheLetters/service/RoomService.java b/src/main/java/com/example/catchTheLetters/service/RoomService.java
new file mode 100644
index 0000000..d494de4
--- /dev/null
+++ b/src/main/java/com/example/catchTheLetters/service/RoomService.java
@@ -0,0 +1,18 @@
+package com.example.catchTheLetters.service;
+
+import com.example.catchTheLetters.model.vo.Letter;
+import org.springframework.web.socket.WebSocketSession;
+
+public interface RoomService {
+    void addPlayer(WebSocketSession session);
+
+    void removePlayer(WebSocketSession session);
+
+    void startGame();
+
+    void endGame();
+
+    void handleInput(WebSocketSession session, String input);
+
+    Letter generateLetter();
+}