diff --git a/frontend/src/pages/sys-admin/index.js b/frontend/src/pages/sys-admin/index.js
index 49bfe21a91..2807997471 100644
--- a/frontend/src/pages/sys-admin/index.js
+++ b/frontend/src/pages/sys-admin/index.js
@@ -6,6 +6,7 @@ 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';
@@ -43,13 +44,16 @@ 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
new file mode 100644
index 0000000000..c64d889e4f
--- /dev/null
+++ b/frontend/src/pages/sys-admin/info.js
@@ -0,0 +1,174 @@
+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 2c579ea438..cc2f74afa0 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.array.isRequired,
+  children: PropTypes.object.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 8dbb63328d..c5957f3257 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">
-                    <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>
+                <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>
                 }
                 {isPro && canViewStatistic &&
                   <li className="nav-item">
diff --git a/seahub/api2/endpoints/admin/license.py b/seahub/api2/endpoints/admin/license.py
index bef17a3ff9..5eb977fb24 100644
--- a/seahub/api2/endpoints/admin/license.py
+++ b/seahub/api2/endpoints/admin/license.py
@@ -13,7 +13,8 @@ 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
+from seahub.utils import get_file_type_and_ext, is_pro_version
+from seahub.utils.licenseparse import parse_license
 from seahub.utils.error_msg import file_type_error_msg, file_size_error_msg
 
 logger = logging.getLogger(__name__)
@@ -53,4 +54,31 @@ class AdminLicense(APIView):
             logger.error(e)
             error_msg = 'Internal Server Error'
             return api_error(status.HTTP_500_INTERNAL_SERVER_ERROR, error_msg)
-        return Response({'success': True}, status=status.HTTP_200_OK)
+
+        # 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)
diff --git a/seahub/templates/js/sysadmin-templates.html b/seahub/templates/js/sysadmin-templates.html
index a3c8739120..78963a4231 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 }}sysadmin/#dashboard/"><span class="sf2-icon-info"></span>{% trans "Info" %}</a>
+            <a href="{{ SITE_ROOT }}sys/info/"><span class="sf2-icon-info"></span>{% trans "Info" %}</a>
         </li>
         {% endif %}
 
diff --git a/seahub/urls.py b/seahub/urls.py
index 36ee196059..e0206780cc 100644
--- a/seahub/urls.py
+++ b/seahub/urls.py
@@ -603,7 +603,6 @@ 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>[^/]+)/$', remove_trial, name="remove_trial"),
@@ -620,6 +619,9 @@ urlpatterns = [
     url(r'^useradmin/batchadduser/$', 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 dfd30856e1..5e14f70865 100644
--- a/tests/api/endpoints/admin/test_license.py
+++ b/tests/api/endpoints/admin/test_license.py
@@ -26,7 +26,11 @@ class AdminLicenseTest(BaseTestCase):
             resp = self.client.post(url, {'license': f})
         json_resp = json.loads(resp.content)
 
-        assert json_resp['success'] is True
+        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 os.path.exists(LICENSE_PATH)
 
     @patch.object(license_api, 'ccnet_api')