diff --git a/src/main/java/com/example/cosmos_serversb/resources/WebSocket.java b/src/main/java/com/example/cosmos_serversb/resources/WebSocket.java
index 1c9dbeb..53031d4 100644
--- a/src/main/java/com/example/cosmos_serversb/resources/WebSocket.java
+++ b/src/main/java/com/example/cosmos_serversb/resources/WebSocket.java
@@ -1,5 +1,6 @@
 package com.example.cosmos_serversb.resources;
 
+import com.example.common.LogUtils;
 import org.springframework.stereotype.Component;
 
 import javax.websocket.server.ServerEndpoint;
@@ -25,6 +26,8 @@
     public void afterConnectionEstablished(WebSocketSession session) throws Exception {
         sessions.add(session);
         System.out.println("session確立しました");
+        LogUtils.info(session.getId() + " のsession確立しました");
+
 //        String roomName = session.getUri().getQuery();
 //        roomSessionPool.compute(roomName, (key, sessions) -> {
 //            if (sessions == null) {
@@ -39,9 +42,12 @@
     protected void handleTextMessage(WebSocketSession session, TextMessage message) throws Exception {
         String strMessage = message.getPayload();
         System.out.println("message( " + strMessage + " )を受信しました");
+        LogUtils.info(session.getId() + " からmessage( " +strMessage + " )を受信しました");
+
         session.sendMessage(message);
         for(WebSocketSession roomsSession : sessions){
             roomsSession.sendMessage(message);
+            LogUtils.info(roomsSession.getId() + " にmessage( " +strMessage + " )を送信しました");
         }
 //        String roomName = session.getUri().getQuery();
 //        for (WebSocketSession roomSession : roomSessionPool.get(roomName)) {
@@ -53,6 +59,8 @@
     public void afterConnectionClosed(WebSocketSession session, CloseStatus status) throws Exception {
         sessions.remove(session);
         System.out.println("session閉じました");
+        LogUtils.info(session.getId() + " のsessionを閉じました");
+
 //        String roomName = session.getUri().getQuery();
 //        roomSessionPool.compute(roomName, (key, sessions) -> {
 //            sessions.remove(session);