diff --git a/src/refreshSubscriptionCron.js b/src/refreshSubscriptionCron.js
index d687315..b8c290a 100644
--- a/src/refreshSubscriptionCron.js
+++ b/src/refreshSubscriptionCron.js
@@ -9,7 +9,7 @@ async function refreshSubscription() {
   const currentTime = new Date();
   const expiredIn3Day = new Date(currentTime);
   expiredIn3Day.setDate(currentTime.getDate() + 3);
-  const subscriptions = await Subscription.findAll();
+  const subscriptions = await Subscription.findAll(); // TODO: add lastKey
   const users = {};
   for (const subscription of subscriptions) {
     if (subscription.watchExpiredAt < currentTime) {
@@ -37,6 +37,7 @@ async function refreshSubscription() {
       } catch (e) {
         if (e.response && e.response.status === 401) {
           user.accessToken = '';
+          user.name = '';
           await user.save();
           console.log('refreshing subscription failed: access token expired: ', user.id);
           return;
diff --git a/src/server/handlers/authorizationHandler.js b/src/server/handlers/authorizationHandler.js
index 607a51c..5fe5ae5 100644
--- a/src/server/handlers/authorizationHandler.js
+++ b/src/server/handlers/authorizationHandler.js
@@ -15,7 +15,7 @@ async function onAuthorize(accessToken, refreshToken, expires) {
       accessToken: accessToken,
       refreshToken: refreshToken,
       tokenExpiredAt: expires,
-      name: userInfoResponse.name,
+      name: '',
       subscriptions: [],
     });
   }
diff --git a/src/server/lib/oauth.js b/src/server/lib/oauth.js
index 7c98d59..2ebbf53 100644
--- a/src/server/lib/oauth.js
+++ b/src/server/lib/oauth.js
@@ -10,6 +10,7 @@ async function checkAndRefreshAccessToken(user) {
     expires.setSeconds(expires.getSeconds() + response.expires_in);
     user.accessToken = accessToken;
     user.tokenExpiredAt = expires;
+    user.name = ''; // clear user name
     await user.save();
   }
 }
diff --git a/src/server/models/userModel.js b/src/server/models/userModel.js
index d555f91..2c0f103 100644
--- a/src/server/models/userModel.js
+++ b/src/server/models/userModel.js
@@ -13,12 +13,9 @@ const User = sequelize.define('users', {
   tokenExpiredAt:{
     type: Sequelize.DATE
   },
-  email: {
-    type: Sequelize.STRING,
-  },
   name: {
     type: Sequelize.STRING,
-  },
+  }, // name is not saved in DB. Keep this for backward compatibility
   rcUserId: {
     type: Sequelize.STRING,
   },
diff --git a/src/server/routes/authorization.js b/src/server/routes/authorization.js
index 54048c5..0577781 100644
--- a/src/server/routes/authorization.js
+++ b/src/server/routes/authorization.js
@@ -27,14 +27,18 @@ async function getUserInfo(req, res) {
     res.send('Token invalid.');
     return;
   }
+  let userInfo;
   try {
     // check token refresh condition
     await checkAndRefreshAccessToken(user);
+    const googleClient = new GoogleClient({ token: user.accessToken });
+    userInfo = await googleClient.getUserInfo();
     // console.log('accessToken: ', user.accessToken);
   } catch (e) {
     if (e.response && e.response.status === 401) {
       user.accessToken = '';
       user.refreshToken = '';
+      user.name = '';
       await user.save();
       res.status(401);
       res.send('Unauthorized.');
@@ -50,7 +54,7 @@ async function getUserInfo(req, res) {
   );
   res.json({
     user: {
-      name: user.name,
+      name: userInfo && userInfo.name,
     },
     formIds: subscriptions.map(subscription => subscription.formId),
   });
@@ -133,6 +137,7 @@ async function revokeToken(req, res) {
       if (e.response && e.response.status === 401) {
         user.accessToken = '';
         user.refreshToken = '';
+        user.name = '';
         await user.save();
         res.status(200);
         res.json({
diff --git a/tests/authorization.test.js b/tests/authorization.test.js
index 7e75e98..b288552 100644
--- a/tests/authorization.test.js
+++ b/tests/authorization.test.js
@@ -508,7 +508,7 @@ describe('Authorization', () => {
         refreshToken: 'knownRefreshToken',
         tokenExpiredAt: new Date(Date.now() + 3600 * 1000),
         subscriptions: [],
-        name: 'test user',
+        name: '',
       });
     });
 
@@ -597,6 +597,12 @@ describe('Authorization', () => {
       const jwtToken = jwt.generateJwt({
         id: user.id,
       });
+      const googleUserScope = nock('https://www.googleapis.com')
+        .get('/oauth2/v3/userinfo')
+        .reply(200, {
+          sub: 'testGoogleUserId',
+          name: 'test user',
+        });
       const res = await request(server)
         .get(`/get-user-info?rcWebhookUri=${mockRCWebhookUri}`)
         .set('Referer', process.env.APP_SERVER)
@@ -604,6 +610,7 @@ describe('Authorization', () => {
       expect(res.status).toEqual(200);
       expect(JSON.parse(res.text).user.name).toEqual('test user');
       expect(JSON.parse(res.text).formIds.length).toEqual(0);
+      googleUserScope.done();
     });
 
     it('should return 403 invalid referer', async () => {
@@ -640,6 +647,12 @@ describe('Authorization', () => {
       const jwtToken = jwt.generateJwt({
         id: user.id,
       });
+      const googleUserScope = nock('https://www.googleapis.com')
+        .get('/oauth2/v3/userinfo')
+        .reply(200, {
+          sub: 'testGoogleUserId',
+          name: 'test user',
+        });
       const res = await request(server)
         .get(`/get-user-info?rcWebhookUri=${mockRCWebhookUri}`)
         .set('Referer', process.env.APP_SERVER)
@@ -648,6 +661,7 @@ describe('Authorization', () => {
       expect(JSON.parse(res.text).user.name).toEqual('test user');
       expect(JSON.parse(res.text).formIds.length).toEqual(1);
       expect(JSON.parse(res.text).formIds[0]).toEqual('test_formId');
+      googleUserScope.done();
     });
 
     it('should refresh token and get user info successfully', async () => {
@@ -656,6 +670,12 @@ describe('Authorization', () => {
       const jwtToken = jwt.generateJwt({
         id: user.id,
       });
+      const googleUserScope = nock('https://www.googleapis.com')
+        .get('/oauth2/v3/userinfo')
+        .reply(200, {
+          sub: 'testGoogleUserId',
+          name: 'test user',
+        });
       const googleRefreshAuthScope = nock(googleTokenDomain)
         .post(googleTokenPath)
         .reply(200, {
@@ -674,6 +694,7 @@ describe('Authorization', () => {
       const newUser = await User.findByPk(user.id);
       expect(newUser.accessToken).toEqual('newAccessToken1');
       googleRefreshAuthScope.done();
+      googleUserScope.done();
     });
 
     it('should return 401 when refresh token with 401', async () => {