diff --git a/app/src/main/java/com/example/tampopo_client/views/ChatActivity.java b/app/src/main/java/com/example/tampopo_client/views/ChatActivity.java
index 2311cd0..4d1dfbc 100644
--- a/app/src/main/java/com/example/tampopo_client/views/ChatActivity.java
+++ b/app/src/main/java/com/example/tampopo_client/views/ChatActivity.java
@@ -19,6 +19,7 @@
 import com.example.tampopo_client.R;
 import com.example.tampopo_client.Tampopo;
 import com.example.tampopo_client.viewmodels.ChatViewModel;
+import com.example.tampopo_client.viewmodels.ChatViewModelFactory;
 
 public class ChatActivity extends AppCompatActivity {
 
@@ -29,7 +30,7 @@
   private EditText receiverMessage;
   private Button sendButton;
   private ImageButton backButton;
-  private EditText roomId;
+  private TextView roomId;
 
   Tampopo tampopo;
 
@@ -43,7 +44,8 @@
     EdgeToEdge.enable(this);//画面の端っこまで使う(Edge-to-Edge)表示
     setContentView(R.layout.activity_chat);//表示する画面のレイアウトXMLファイル(activity_chat.xml)を指定
 
-    chatViewModel = new ViewModelProvider(this).get(ChatViewModel.class);
+    ChatViewModelFactory factory1 = new ChatViewModelFactory(tampopo.getUserId(), tampopo.getToken());
+    chatViewModel = new ViewModelProvider(this, factory1).get(ChatViewModel.class);
 
     senderMessage = findViewById(R.id.sender_message);
     receiverMessage = findViewById(R.id.receiver_message);
@@ -107,7 +109,7 @@
             String chatroomId = tampopo.getChatroomId();
             //String chatroomId = "0";
             chatViewModel.sendMessage(chatroomId, senderId, senderText, token);
-            senderMessage.setText("");//自分のメッセージを送信欄に表示
+            senderMessage.setText("");//自分のメッセージを消す
           }
       }
     });