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 73b36f7..494c624 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
@@ -53,6 +53,8 @@
     sendButton = findViewById(R.id.send_Button);
     backButton = findViewById(R.id.back_Button);
     roomId = findViewById(R.id.chat_room_id);
+    TextView friendIdTextView = findViewById(R.id.friend_id);
+    friendIdTextView.setText(tampopo.getChatFriendId());
     receiverMessage.setKeyListener(null);//受信メッセージ編集不可
 
 //    buttonSend.setOnClickListener(new OnClickListener() {
@@ -148,4 +150,12 @@
 
   }
 
+  protected void onStart() {
+    super.onStart();
+
+    if (chatViewModel != null) {
+      chatViewModel.startUpdating(1L);
+    }
+
+  }
 }