diff --git a/client/src/components/Room/Channelsettingchange.js b/client/src/components/Room/Channelsettingchange.js
index 0ee1118ffd26e5031a291eef49a9497b04000218..c25d709e2e76fe078882dea3c7387056c6603127 100644
--- a/client/src/components/Room/Channelsettingchange.js
+++ b/client/src/components/Room/Channelsettingchange.js
@@ -30,7 +30,7 @@ const ChannelSettingChange = (props) => {
     }
 
     if (count == 1) {
-      window.alert("이미 존재하는 채널 입니다. 다른 이름을 입력해 주십시오.");
+      alert("이미 존재하는 채널 입니다. 다른 이름을 입력해 주십시오.");
     } else {
       Channel.number = props.channel.length;
       alert("채널이 성공적으로 생성되었습니다.");
@@ -54,7 +54,7 @@ const ChannelSettingChange = (props) => {
       const data = await roomApi.channelDelete(Channel);
     }
     else {
-      window.alert(
+      alert(
         "입력한 채널명과 일치하는 채널이 존재하지 않습니다. 다시 확인해 주십시오."
       );
     }
diff --git a/client/src/components/Room/RightHamburger.js b/client/src/components/Room/RightHamburger.js
index 1b4ca0657c79ad02c0777b7957692b00dcca62b3..f33fe75abd0baafcfbbf34c11df696b23ab5d5f6 100644
--- a/client/src/components/Room/RightHamburger.js
+++ b/client/src/components/Room/RightHamburger.js
@@ -1,7 +1,6 @@
 import React, { useState, useEffect } from "react";
 import { Link, useParams } from "react-router-dom";
 import ChannelSingle from "./ChannelSingle";
-import RoomApi from "../../apis/room.api";
 import catchErrors from "../../context/catchError";
 import KakaoShareButton from "../KakaoShareButton";
 import RoomSettingChange from "./RoomSettingChange";
@@ -28,7 +27,7 @@ const RightHamburger = () => {
 
   async function getRoom(roomId) {
     try {
-      const data = await RoomApi.getRoom([roomId]);
+      const data = await roomApi.getRoom([roomId]);
       const roomdata = [];
       roomdata.push({
         name: data[0].name,
@@ -42,9 +41,9 @@ const RightHamburger = () => {
 
   async function exitRoom() {
     try {
-      const data = await RoomApi.exitRoom({ id, roomId });
+      const data = await roomApi.exitRoom({ id, roomId });
       if (data.owner === Number(id)){
-        const room = await RoomApi.removeRoom({roomId : roomId})
+        const room = await roomApi.removeRoom({roomId : roomId})
         console.log(room)
       }
     } catch (error) {
@@ -54,7 +53,7 @@ const RightHamburger = () => {
 
   async function getChannel(roomId) {
     try {
-      const data = await RoomApi.getRoom([roomId]);
+      const data = await roomApi.getRoom([roomId]);
       const Channel = data[0].channel;
       const channelList = [];
       for (const prop in Channel) {
@@ -104,6 +103,34 @@ const RightHamburger = () => {
     }
   }
 
+  async function exitChannel() {
+    try {
+      const data = await userApi.getUser(id);
+      const A = doubleJoinCheck(data.name)
+      if (A) {
+        await roomApi.doubleJoin({ roomId: roomId, index1: A.index1, index2: A.index2, joinChName: A.joinChName })
+      }
+    } catch (error) {
+      catchErrors(error, setError);
+    }
+  }
+
+  function doubleJoinCheck(e) {
+    for (const index in channel) {
+      for (const el in channel[index].joinUser) {
+        if (channel[index].joinUser[el] === e) {
+          const doublejoinCh = channel[index].channelName
+          const A = {
+            index1: index,
+            index2: el,
+            joinChName: doublejoinCh,
+          }
+          return A
+        }
+      }
+    }
+  }
+
   // console.log(channel)
 
   useEffect(() => {
diff --git a/client/src/pages/InvitePage.js b/client/src/pages/InvitePage.js
index 2c5e3161c9d56c022339691320cca6489ce0f767..6f0a5cc413a5340479c3f7087da28a212e726992 100644
--- a/client/src/pages/InvitePage.js
+++ b/client/src/pages/InvitePage.js
@@ -49,10 +49,10 @@ const InvitePage = () => {
 
     if (check === true) {
       joinroom(usercheck, roomId);
-      window.alert("방 참여가 완료되었습니다.");
+      alert("방 참여가 완료되었습니다.");
       window.location.href=`/user/${usercheck}`
     } else {
-      window.alert("로그인이 필요합니다.");
+      alert("로그인이 필요합니다.");
       window.location.href = `/`;
     }
   }
@@ -63,10 +63,10 @@ const InvitePage = () => {
     else check = true;
 
     if (check === true) {
-      window.alert("유저 페이지로 이동합니다.");
+      alert("유저 페이지로 이동합니다.");
       window.location.href = `/user/${usercheck}`;
     } else {
-      window.alert("로그인이 필요합니다.");
+      alert("로그인이 필요합니다.");
       window.location.href = `/`;
     }
   }
diff --git a/server/controllers/room.controller.js b/server/controllers/room.controller.js
index 2719033e02815cffff6b8e70981def11fad1476d..b84939576648f39eaa006c83e0388a4d50594399 100644
--- a/server/controllers/room.controller.js
+++ b/server/controllers/room.controller.js
@@ -124,7 +124,9 @@ const exitRoom = async (req, res) => {
     );
 
     const user = await User.findOne({ where: { id: id } });
-    const index2 = user.roomNumber.indexOf(id);
+    console.log('user',user, user.roomNumber)
+    const index2 = user.roomNumber.indexOf(roomId);
+    console.log('제발제발',index2, roomId, user.roomNumber)
     user.roomNumber.splice(index2, 1);
     const newUser = await User.update(
       { roomNumber: user.roomNumber },
@@ -141,6 +143,7 @@ const changename = async (req, res) => {
   try {
     await Room.update({ name: name }, { where: { id: id } });
     const room1 = await Room.findOne({ where: { id: id } });
+    return res.body.json(true)
   } catch (error) {
     res.status(500).send("에러");
   }
@@ -172,7 +175,7 @@ const doubleJoin = async (req, res) => {
 
 const removeRoom = async (req, res) => {
   const { roomId } = req.params;
-  console.log('서버연결성공!!!!',roomId)
+  console.log('서버연결성공!!!!', roomId)
   try {
     const room = await Room.destroy({ where: { id: roomId } });
   } catch (error) {
diff --git a/server/index.js b/server/index.js
index 2e15a03fb41aed16a80e164d94dcd43346582347..a8d05ee8f80aaf988e9a6ccc74823ed8257e478c 100644
--- a/server/index.js
+++ b/server/index.js
@@ -20,7 +20,7 @@ sequelize
       email: "admin",
       password: "admin!",
       gender: 0,
-      roomNumber : ["1234567abc","abc7654321"],
+      roomNumber : [],
     });
 
     // await Room.create({