diff --git a/frontend/src/pages/sys-admin/index.js b/frontend/src/pages/sys-admin/index.js
index 2807997471..49bfe21a91 100644
--- a/frontend/src/pages/sys-admin/index.js
+++ b/frontend/src/pages/sys-admin/index.js
@@ -6,7 +6,6 @@ import SidePanel from './side-panel';
 import MainPanel from './main-panel';
 import FileScanRecords from './file-scan-records';
 import WorkWeixinDepartments from './work-weixin-departments';
-import Info from './info';
 
 import '../../assets/css/fa-solid.css';
 import '../../assets/css/fa-regular.css';
@@ -44,16 +43,13 @@ class SysAdmin extends React.Component {
         <SidePanel isSidePanelClosed={isSidePanelClosed} onCloseSidePanel={this.onCloseSidePanel} currentTab={currentTab}/>
         <MainPanel>
           <Router className="reach-router">
-            <Info
-              path={siteRoot + 'sys/info'}
-              currentTab={currentTab}
-              tabItemClick={this.tabItemClick}
-            />
             <FileScanRecords
               path={siteRoot + 'sys/file-scan-records'}
               currentTab={currentTab} 
               tabItemClick={this.tabItemClick}
             />
+          </Router>
+          <Router className="reach-router">
             <WorkWeixinDepartments
               path={siteRoot + 'sys/work-weixin/departments'}
               currentTab={currentTab}
diff --git a/frontend/src/pages/sys-admin/info.js b/frontend/src/pages/sys-admin/info.js
deleted file mode 100644
index c64d889e4f..0000000000
--- a/frontend/src/pages/sys-admin/info.js
+++ /dev/null
@@ -1,174 +0,0 @@
-import React, { Component, Fragment } from 'react';
-import { Button } from 'reactstrap';
-import { seafileAPI } from '../../utils/seafile-api';
-import { gettext, isPro, isDefaultAdmin } from '../../utils/constants';
-import toaster from '../../components/toast';
-import { Utils } from '../../utils/utils';
-import Account from '../../components/common/account';
-import Loading from '../../components/loading';
-
-class Info extends Component {
-
-  constructor(props) {
-    super(props);
-    this.fileInput = React.createRef();
-    this.state = {
-      loading: true,
-      errorMsg: '',
-      sysInfo: {}
-    };
-  }
-
-  componentDidMount () {
-    seafileAPI.getSysInfo().then((res) => {
-      this.setState({
-        loading: false,
-        sysInfo: res.data
-      });
-    }).catch((error) => {
-      if (error.response) {
-        if (error.response.status == 403) {
-          this.setState({
-            loading: false,
-            errorMsg: gettext('Permission denied')
-          });
-        } else {
-          this.setState({
-            loading: false,
-            errorMsg: gettext('Error')
-          });
-        }
-      } else {
-        this.setState({
-          loading: false,
-          errorMsg: gettext('Please check the network.')
-        });
-      }
-    });
-  }
-
-  uploadLicenseFile = (e) => {
-
-    // no file selected
-    if (!this.fileInput.current.files.length) {
-      return;
-    }
-    const file = this.fileInput.current.files[0];
-    seafileAPI.uploadLicense(file).then((res) => {
-      let info = this.state.sysInfo;
-      Object.assign(info, res.data);
-      this.setState({
-        sysInfo: info
-      });
-    }).catch((error) => {
-      let errMsg = Utils.getErrorMsg(error);
-      toaster.danger(errMsg);
-    });
-  }
-
-  openFileInput = () => {
-    this.fileInput.current.click();
-  }
-
-  renderLicenseDescString = (license_mode, license_to, license_expiration) => {
-    if (license_mode == 'life-time') {
-      if (window.app.config.lang == 'zh-cn') {
-        return '永久授权给 ' + license_to + '，技术支持服务至 ' + license_expiration + ' 到期';
-      } else {
-        return gettext('licensed to {placeholder_license_to}, upgrade service expired in {placeholder_license_expiration}')
-          .replace('{placeholder_license_to}', license_to).replace('{placeholder_license_expiration}', license_expiration);
-      }
-    } else {
-      return gettext('licensed to {placeholder_license_to}, expires on {placeholder_license_expiration}')
-        .replace('{placeholder_license_to}', license_to).replace('{placeholder_license_expiration}', license_expiration);
-    }
-  }
-
-  render() {
-    let { with_license, license_mode, license_to, license_expiration, org_count,
-      repos_count, total_files_count, total_storage, total_devices_count, 
-      current_connected_devices_count, license_maxusers, multi_tenancy_enabled,
-      active_users_count, users_count, groups_count } = this.state.sysInfo;
-    let { loading, errorMsg } = this.state;
-
-    if (loading) {
-      return <Loading />;
-    } else if (errorMsg) {
-      return <p className="error text-center">{errorMsg}</p>;
-    } else {
-      return (
-        <Fragment>
-          <div className="main-panel-north border-left-show">
-            <div className="cur-view-toolbar">
-              <span className="sf2-icon-menu side-nav-toggle hidden-md-up d-md-none" title="Side Nav Menu"></span>
-            </div>
-            <div className="common-toolbar">
-              <Account isAdminPanel={true} />
-            </div>
-          </div>
-          <div className="main-panel-center flex-row">
-            <div className="cur-view-container">
-              <div className="cur-view-path">
-                <h3 className="sf-heading">{gettext('Info')}</h3>
-              </div>
-              <div className="cur-view-content">
-                <dl>
-                  <dt>{gettext('System Info')}</dt>
-                  {isPro ?
-                    <dd>
-                      {gettext('Professional Edition')}
-                      {with_license &&
-                        ' ' + this.renderLicenseDescString(license_mode, license_to, license_expiration)
-                      }<br/>
-                      {isDefaultAdmin &&
-                        <Fragment>
-                          <Button type="button" className="mt-2" onClick={this.openFileInput}>{gettext('Upload license')}</Button>
-                          <input className="d-none" type="file" onChange={this.uploadLicenseFile} ref={this.fileInput} />
-                        </Fragment>
-                      }
-                    </dd> :
-                    <dd>
-                      {gettext('Community Edition')}
-                      <a className="ml-1" href="http://manual.seafile.com/deploy_pro/migrate_from_seafile_community_server.html" target="_blank">{gettext('Upgrade to Pro Edition')}</a>
-                    </dd>
-                  }
-                  <dt>{gettext('Libraries')} / {gettext('Files')}</dt>
-                  <dd>{repos_count} / {total_files_count}</dd>
-
-                  <dt>{gettext('Storage Used')}</dt>
-                  <dd>{Utils.bytesToSize(total_storage)}</dd>
-
-                  <dt>{gettext('Total Devices')} / {gettext('Current Connected Devices')}</dt>
-                  <dd>{total_devices_count} / {current_connected_devices_count}</dd>
-
-                  {isPro ?
-                    <Fragment>
-                      <dt>{gettext('Activated Users')} / {gettext('Total Users')} / {gettext('Limits')}</dt>
-                      <dd>{active_users_count}{' / '}{users_count}{' / '}{with_license ? license_maxusers : '--'}</dd>
-                    </Fragment> :
-                    <Fragment>
-                      <dt>{gettext('Activated Users')} / {gettext('Total Users')}</dt>
-                      <dd>{active_users_count} / {users_count}</dd>
-                    </Fragment>
-                  }
-
-                  <dt>{gettext('Groups')}</dt>
-                  <dd>{groups_count}</dd>
-
-                  {multi_tenancy_enabled &&
-                    <Fragment>
-                      <dt>{gettext('Organizations')}</dt>
-                      <dd>{org_count}</dd>
-                    </Fragment>
-                  }
-                </dl>
-              </div>
-            </div>
-          </div>
-        </Fragment>
-      );
-    }
-  }
-}
-
-export default Info;
diff --git a/frontend/src/pages/sys-admin/main-panel.js b/frontend/src/pages/sys-admin/main-panel.js
index cc2f74afa0..2c579ea438 100644
--- a/frontend/src/pages/sys-admin/main-panel.js
+++ b/frontend/src/pages/sys-admin/main-panel.js
@@ -2,7 +2,7 @@ import React, { Component } from 'react';
 import PropTypes from 'prop-types';
 
 const propTypes = {
-  children: PropTypes.object.isRequired,
+  children: PropTypes.array.isRequired,
 };
 
 class MainPanel extends Component {
diff --git a/frontend/src/pages/sys-admin/side-panel.js b/frontend/src/pages/sys-admin/side-panel.js
index c5957f3257..8dbb63328d 100644
--- a/frontend/src/pages/sys-admin/side-panel.js
+++ b/frontend/src/pages/sys-admin/side-panel.js
@@ -31,12 +31,12 @@ class SidePanel extends React.Component {
               <h3 className="sf-heading">{gettext('System Admin')}</h3>
               <ul className="nav nav-pills flex-column nav-container">
                 {canViewSystemInfo &&
-                <li className="nav-item">
-                  <Link className='nav-link ellipsis' to={siteRoot + 'sys/info/'}>
-                    <span className="sf2-icon-info" aria-hidden="true"></span>
-                    <span className="nav-text">{gettext('Info')}</span>
-                  </Link>
-                </li>
+                  <li className="nav-item">
+                    <a className='nav-link ellipsis' href={siteRoot + 'sysadmin/#dashboard/'}>
+                      <span className="sf2-icon-info" aria-hidden="true"></span>
+                      <span className="nav-text">{gettext('Info')}</span>
+                    </a>
+                  </li>
                 }
                 {isPro && canViewStatistic &&
                   <li className="nav-item">
diff --git a/seahub/api2/endpoints/admin/license.py b/seahub/api2/endpoints/admin/license.py
index 5eb977fb24..bef17a3ff9 100644
--- a/seahub/api2/endpoints/admin/license.py
+++ b/seahub/api2/endpoints/admin/license.py
@@ -13,8 +13,7 @@ from seahub.api2.authentication import TokenAuthentication
 from seahub.api2.throttling import UserRateThrottle
 from seahub.api2.utils import api_error
 from seahub.settings import LICENSE_PATH
-from seahub.utils import get_file_type_and_ext, is_pro_version
-from seahub.utils.licenseparse import parse_license
+from seahub.utils import get_file_type_and_ext
 from seahub.utils.error_msg import file_type_error_msg, file_size_error_msg
 
 logger = logging.getLogger(__name__)
@@ -54,31 +53,4 @@ class AdminLicense(APIView):
             logger.error(e)
             error_msg = 'Internal Server Error'
             return api_error(status.HTTP_500_INTERNAL_SERVER_ERROR, error_msg)
-
-        # get license info
-        is_pro = is_pro_version()
-        if is_pro:
-            license_dict = parse_license()
-        else:
-            license_dict = {}
-
-        if license_dict:
-            with_license = True
-            try:
-                max_users = int(license_dict.get('MaxUsers', 3))
-            except ValueError as e:
-                logger.error(e)
-                max_users = 0
-        else:
-            with_license = False
-            max_users = 0
-
-        license_info = {
-            'with_license': with_license,
-            'license_expiration': license_dict.get('Expiration', ''),
-            'license_mode': license_dict.get('Mode', ''),
-            'license_maxusers': max_users,
-            'license_to': license_dict.get('Name', ''),
-        }
-
-        return Response(license_info, status=status.HTTP_200_OK)
+        return Response({'success': True}, status=status.HTTP_200_OK)
diff --git a/seahub/templates/js/sysadmin-templates.html b/seahub/templates/js/sysadmin-templates.html
index 78963a4231..a3c8739120 100644
--- a/seahub/templates/js/sysadmin-templates.html
+++ b/seahub/templates/js/sysadmin-templates.html
@@ -16,7 +16,7 @@
 
         {% if user.admin_permissions.can_view_system_info %}
         <li class="tab<% if (cur_tab == 'dashboard') { %> tab-cur<% } %>">
-            <a href="{{ SITE_ROOT }}sys/info/"><span class="sf2-icon-info"></span>{% trans "Info" %}</a>
+            <a href="{{ SITE_ROOT }}sysadmin/#dashboard/"><span class="sf2-icon-info"></span>{% trans "Info" %}</a>
         </li>
         {% endif %}
 
diff --git a/seahub/urls.py b/seahub/urls.py
index e0206780cc..36ee196059 100644
--- a/seahub/urls.py
+++ b/seahub/urls.py
@@ -603,6 +603,7 @@ urlpatterns = [
     url(r'^sys/invitationadmin/remove/$', sys_invitation_remove, name='sys_invitation_remove'),
     url(r'^sys/sudo/', sys_sudo_mode, name='sys_sudo_mode'),
     url(r'^sys/check-license/', sys_check_license, name='sys_check_license'),
+    url(r'^sys/work-weixin/departments/$', sysadmin_react_fake_view, name="sys_work_weixin_departments"),
     url(r'^useradmin/add/$', user_add, name="user_add"),
     url(r'^useradmin/remove/(?P<email>[^/]+)/$', user_remove, name="user_remove"),
     url(r'^useradmin/removetrial/(?P<user_or_org>[^/]+)/$', remove_trial, name="remove_trial"),
@@ -619,9 +620,6 @@ urlpatterns = [
     url(r'^useradmin/batchadduser/$', batch_add_user, name='batch_add_user'),
     url(r'^useradmin/batchadduser/example/$', batch_add_user_example, name='batch_add_user_example'),
 
-    url(r'^sys/info/$', sysadmin_react_fake_view, name="sys_info"),
-    url(r'^sys/work-weixin/departments/$', sysadmin_react_fake_view, name="sys_work_weixin_departments"),
-
     url(r'^client-login/$', client_token_login, name='client_token_login'),
 ]
 
diff --git a/tests/api/endpoints/admin/test_license.py b/tests/api/endpoints/admin/test_license.py
index 5e14f70865..dfd30856e1 100644
--- a/tests/api/endpoints/admin/test_license.py
+++ b/tests/api/endpoints/admin/test_license.py
@@ -26,11 +26,7 @@ class AdminLicenseTest(BaseTestCase):
             resp = self.client.post(url, {'license': f})
         json_resp = json.loads(resp.content)
 
-        assert json_resp['with_license'] is True
-        assert json_resp['license_expiration'] is not None
-        assert json_resp['license_mode'] is not None
-        assert json_resp['license_maxusers'] is not None
-        assert json_resp['license_to'] is not None
+        assert json_resp['success'] is True
         assert os.path.exists(LICENSE_PATH)
 
     @patch.object(license_api, 'ccnet_api')