diff --git a/server/src/lib/passport.ts b/server/src/lib/passport.ts
index 5b7487f2..83bff868 100644
--- a/server/src/lib/passport.ts
+++ b/server/src/lib/passport.ts
@@ -1,7 +1,7 @@
 import config from '@/config';
 import { Strategy as GoogleStrategy } from 'passport-google-oauth20';
 import passport from 'passport';
-import { userModel } from '@/models';
+import { channelModel, userModel } from '@/models';
 import { User } from '@/types';
 
 export default () => {
@@ -32,6 +32,7 @@ export default () => {
           }
 
           const [{ insertId }] = await userModel.addOAuthUser({ email, displayName });
+          await channelModel.setUserChannel({ userId: insertId });
           done(undefined, { id: insertId, displayName, email });
           return;
         } catch (err) {
diff --git a/server/src/lib/socket.ts b/server/src/lib/socket.ts
index 68ed7a2d..bd7401f8 100644
--- a/server/src/lib/socket.ts
+++ b/server/src/lib/socket.ts
@@ -189,9 +189,6 @@ export const bindSocketServer = (server: http.Server): void => {
   const namespace = io.of('/');
 
   namespace.on(CONNECT, (socket: Socket) => {
-    console.log('메인 채널 연결됨 socketID : ', socket.id);
-    // io.to(socket.id).emit(MESSAGE, { socketId: socket.id });
-
     socket.on(MESSAGE, async (data: SocketEvent) => {
       if (isThreadEvent(data)) {
         const { type, subType, room, thread } = data;
@@ -381,14 +378,10 @@ export const bindSocketServer = (server: http.Server): void => {
     });
 
     socket.on(ENTER_ROOM, (data: RoomEvent) => {
-      console.log('enter');
-      console.dir(data, { depth: null });
       socket.join(data.room);
     });
 
     socket.on(LEAVE_ROOM, (data: RoomEvent) => {
-      console.log('leave');
-      console.dir(data, { depth: null });
       socket.leave(data.room);
     });
 
diff --git a/server/src/models/channels.model.ts b/server/src/models/channels.model.ts
index e302df57..de645015 100644
--- a/server/src/models/channels.model.ts
+++ b/server/src/models/channels.model.ts
@@ -95,4 +95,29 @@ export const channelModel: Model = {
     const sql = `UPDATE user_channel SET unread = ? WHERE user_id = ? AND channel_id = ?;`;
     return pool.execute(sql, [unread, userId, channelId]);
   },
+  async setUserChannel({
+    userId,
+    channelId = 1,
+  }: {
+    userId: number;
+    channelId?: number;
+  }): Promise<{ err?: Error }> {
+    const conn = await pool.getConnection();
+    await conn.beginTransaction();
+    try {
+      const sql1 = `INSERT INTO user_channel (user_id, channel_id) VALUES (?, ?);`;
+      const sql2 = `UPDATE channel SET member_count = member_count + 1 WHERE id = ?;`;
+
+      conn.execute(sql1, [userId, channelId]);
+      conn.execute(sql2, [channelId]);
+      conn.commit();
+      return {};
+    } catch (err) {
+      console.error(err);
+      conn.rollback();
+      return { err };
+    } finally {
+      conn.release();
+    }
+  },
 };
diff --git a/server/src/routes/api/auth/auth.controller.ts b/server/src/routes/api/auth/auth.controller.ts
index d1122ef7..7289268f 100644
--- a/server/src/routes/api/auth/auth.controller.ts
+++ b/server/src/routes/api/auth/auth.controller.ts
@@ -9,7 +9,7 @@ import {
   decrypt,
   sendEmail,
 } from '@/utils/utils';
-import { userModel } from '@/models';
+import { channelModel, userModel } from '@/models';
 import config from '@/config';
 import { TIME, TOKEN_TYPE, ERROR_MESSAGE } from '@/utils/constants';
 import isEmail from 'validator/lib/isEmail';
@@ -71,7 +71,8 @@ export const signup = async (req: Request, res: Response, next: NextFunction): P
   if (verifyRequestData([email, pw, displayName])) {
     try {
       const hashPw = await bcrypt.hash(pw, 10);
-      await userModel.addUser({ email, pw: hashPw, displayName });
+      const [{ insertId }] = await userModel.addUser({ email, pw: hashPw, displayName });
+      await channelModel.setUserChannel({ userId: insertId });
 
       res.status(200).end();
       return;
diff --git a/server/src/routes/api/oauth/oauth.controller.ts b/server/src/routes/api/oauth/oauth.controller.ts
index 70c3ccab..a559a926 100644
--- a/server/src/routes/api/oauth/oauth.controller.ts
+++ b/server/src/routes/api/oauth/oauth.controller.ts
@@ -6,7 +6,7 @@ import { ERROR_MESSAGE, TIME } from '@/utils/constants';
 import { User } from '@/types';
 import axios from 'axios';
 import { verifyRequestData } from '@/utils/utils';
-import { userModel } from '@/models';
+import { channelModel, userModel } from '@/models';
 
 /**
  * GET /api/oauth/google
@@ -67,6 +67,7 @@ export const googleSignup = async (
           userInfo = { email: user.email, displayName: user.displayName, id: user.id };
         } else {
           const [{ insertId }] = await userModel.addOAuthUser({ email, displayName: name });
+          await channelModel.setUserChannel({ userId: insertId });
           userInfo = { email, displayName: name, id: insertId };
         }