Merge remote-tracking branch 'origin/jaeyeon' into jaeyeon2854

client/src/components/Room/RoomHeader.js

@@ -9,7 +9,7 @@ const INIT_ROOM = {
 
 
 const RoomHeader = () => {
-  const {roomId}=useParams();
+  const {roomId, channelId}=useParams();
   const [room, setRoom] = useState([INIT_ROOM]);
   const [error, setError] = useState("")
   async function getRoom(Id) {
@@ -47,7 +47,7 @@ const RoomHeader = () => {
             color: '#6c33a2',
           }}
         >
-          # 회의
+          # {channelId}
         </a>
       </div>
     </div>