exception is chaged

fuzzbackend/src/main/java/com/example/fuzzControll/controller/WebSocket.java

 package com.example.fuzzControll.controller;
 
 
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Component;
 
 import javax.websocket.*;
@@ -14,6 +15,7 @@ import java.util.concurrent.ConcurrentHashMap;
  */
 @Component("WebSocket")
 @ServerEndpoint("/websocket/testResult/{name}")
+@Slf4j
 public class WebSocket {
 
     private Session session; //与某个客户端连接对话，通过此对客户端发送消息
@@ -24,7 +26,7 @@ public class WebSocket {
     public void onOpen(Session session, @PathParam(value = "name") String name) {
         this.session = session; //默认客户端，没有重名
         WEBSOCKET_CONCURRENTHASHMAP.put(name, this);
-        System.out.println("【webSocket连接成功】当前连接人数为：" + WEBSOCKET_CONCURRENTHASHMAP.size() + "，此人为：" + name);
+        log.info("Websocket is connected! The man is {}.There are {} people in the connection ",name,WEBSOCKET_CONCURRENTHASHMAP.size());
     }
 
 
@@ -40,8 +42,7 @@ public class WebSocket {
             }
         }
 
-
-        System.out.println("【webSocket退出成功】当前连接人数为：" + WEBSOCKET_CONCURRENTHASHMAP.size());
+        log.info("Websocket is closed! There are {} people in the connection ",WEBSOCKET_CONCURRENTHASHMAP.size());
     }
 
     @OnError