diff --git a/frontend/src/components/dialog/sysadmin-dialog/sysadmin-add-org-dialog.js b/frontend/src/components/dialog/sysadmin-dialog/sysadmin-add-org-dialog.js
new file mode 100644
index 0000000000..eee5479fe8
--- /dev/null
+++ b/frontend/src/components/dialog/sysadmin-dialog/sysadmin-add-org-dialog.js
@@ -0,0 +1,127 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { Alert, Modal, ModalHeader, ModalBody, ModalFooter, Button, Form, FormGroup, Label, Input } from 'reactstrap';
+import { gettext } from '../../../utils/constants';
+
+const propTypes = {
+  toggleDialog: PropTypes.func.isRequired,
+  addOrg: PropTypes.func.isRequired
+};
+
+class SysAdminAddOrgDialog extends React.Component {
+  constructor(props) {
+    super(props);
+    this.state = {
+      name: '',
+      email: '',
+      password: '',
+      passwordAgain: '',
+      errorMsg: '',
+      isSubmitBtnActive: false 
+    };
+  }
+
+  checkSubmitBtnActive = () => {
+    const { name, email, password, passwordAgain } = this.state;
+    let btnActive = true;
+    if (name !='' &&
+      email != '' &&
+      password != '' &&
+      passwordAgain != '') {
+      btnActive = true;
+    } else {
+      btnActive = false;
+    }
+    this.setState({
+      isSubmitBtnActive: btnActive
+    });
+  }
+
+  toggle = () => {
+    this.props.toggleDialog();
+  }
+
+  inputPassword = (e) => {
+    let passwd = e.target.value.trim();
+    this.setState({
+      password: passwd
+    }, this.checkSubmitBtnActive);
+  }
+
+  inputPasswordAgain = (e) => {
+    let passwd = e.target.value.trim();
+    this.setState({
+      passwordAgain: passwd
+    }, this.checkSubmitBtnActive);
+  }
+
+  inputEmail = (e) => {
+    let email = e.target.value.trim();
+    this.setState({
+      email: email
+    }, this.checkSubmitBtnActive);
+  }
+
+  inputName = (e) => {
+    let name = e.target.value.trim();
+    this.setState({
+      name: name
+    }, this.checkSubmitBtnActive);
+  }
+
+  handleSubmit = () => {
+    let { name, email, password, passwordAgain } = this.state;
+    if (password != passwordAgain) {
+      this.setState({errorMsg: gettext('Passwords do not match.')});
+      return;
+    }
+    const data = {
+      orgName: name,
+      ownerEmail: email,
+      password: password
+    };
+    this.props.addOrg(data);
+    this.toggle();
+  }
+
+  render() {
+    const { errorMsg, password, passwordAgain, email, name, isSubmitBtnActive } = this.state;
+    return (
+      <Modal isOpen={true} toggle={this.toggle}>
+        <ModalHeader toggle={this.toggle}>{gettext('Add Organization')}</ModalHeader>
+        <ModalBody>
+          <Form autoComplete="off">
+            <FormGroup>
+              <Label>{gettext('Name')}</Label>
+              <Input value={name} onChange={this.inputName} /> 
+            </FormGroup>
+            <FormGroup>
+              <Label>
+                {gettext('Owner')}
+                <span className="small text-secondary ml-1 fas fa-question-circle" title={gettext('Owner can use admin panel in an organization, must be a new account.')}></span>
+              </Label>
+              <Input value={email} onChange={this.inputEmail} /> 
+            </FormGroup>
+            <FormGroup>
+              <Label>{gettext('Password')}</Label>
+              <Input type="password" value={password} onChange={this.inputPassword} />
+            </FormGroup>
+            <FormGroup>
+              <Label>{gettext('Password again')}</Label>
+              <Input type="password" value={passwordAgain} onChange={this.inputPasswordAgain} />
+            </FormGroup>
+          </Form>
+          {errorMsg && <Alert color="danger">{errorMsg}</Alert>}
+        </ModalBody>
+        <ModalFooter>
+          <Button color="secondary" onClick={this.toggle}>{gettext('Cancel')}</Button>
+          <Button color="primary" onClick={this.handleSubmit} disabled={!isSubmitBtnActive}>{gettext('Submit')}</Button>
+        </ModalFooter>
+      </Modal>
+    );
+  }
+}
+
+SysAdminAddOrgDialog.propTypes = propTypes;
+
+export default SysAdminAddOrgDialog;
diff --git a/frontend/src/components/dialog/sysadmin-dialog/sysadmin-add-user-dialog.js b/frontend/src/components/dialog/sysadmin-dialog/sysadmin-add-user-dialog.js
new file mode 100644
index 0000000000..914e72a7a9
--- /dev/null
+++ b/frontend/src/components/dialog/sysadmin-dialog/sysadmin-add-user-dialog.js
@@ -0,0 +1,149 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { Alert, Modal, ModalHeader, ModalBody, ModalFooter, Button, Form, FormGroup, Label, Input, InputGroup, InputGroupAddon } from 'reactstrap';
+import { gettext } from '../../../utils/constants';
+import { Utils } from '../../../utils/utils';
+import SysAdminUserRoleEditor from '../../../components/select-editor/sysadmin-user-role-editor';
+
+const propTypes = {
+  toggleDialog: PropTypes.func.isRequired,
+  addUser: PropTypes.func.isRequired
+};
+
+class SysAdminAddUserDialog extends React.Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      errorMsg: '',
+      isPasswordVisible: false,
+      password: '',
+      passwordAgain: '',
+      email: '',
+      name: '',
+      isSubmitBtnActive: false
+    };
+  }
+
+  checkSubmitBtnActive = () => {
+    const { email, password, passwordAgain } = this.state;
+    let btnActive = true;
+    if (email != '' &&
+      password != '' &&
+      passwordAgain != '') {
+      btnActive = true;
+    } else {
+      btnActive = false;
+    }   
+    this.setState({
+      isSubmitBtnActive: btnActive
+    }); 
+  }
+
+  toggle = () => {
+    this.props.toggleDialog();
+  }
+
+  togglePasswordVisible = () => {
+    this.setState({isPasswordVisible: !this.state.isPasswordVisible});
+  }
+
+  inputPassword = (e) => {
+    let passwd = e.target.value.trim();
+    this.setState({
+      password: passwd,
+      errorMsg: ''
+    }, this.checkSubmitBtnActive);
+  }
+
+  inputPasswordAgain = (e) => {
+    let passwd = e.target.value.trim();
+    this.setState({
+      passwordAgain: passwd,
+      errorMsg: ''
+    }, this.checkSubmitBtnActive);
+  }
+
+  generatePassword = () => {
+    let val = Utils.generatePassword(8);
+    this.setState({
+      password: val,
+      passwordAgain: val
+    }, this.checkSubmitBtnActive);
+  }
+
+  inputEmail = (e) => {
+    let email = e.target.value.trim();
+    this.setState({
+      email: email
+    }, this.checkSubmitBtnActive);
+  }
+
+  inputName = (e) => {
+    let name = e.target.value.trim();
+    this.setState({
+      name: name
+    });
+  }
+
+  handleSubmit = () => {
+    const { email, password, passwordAgain, name } = this.state;
+    if (password != passwordAgain) {
+      this.setState({errorMsg: gettext('Passwords do not match.')});
+      return;
+    }
+    const data = {
+      email: email,
+      name: name,
+      password: password
+    };
+    this.props.addUser(data);
+    this.toggle();
+  }
+
+  render() {
+    const { errorMsg, isPasswordVisible, password, passwordAgain, email, name,
+      isSubmitBtnActive
+    } = this.state;
+    return (
+      <Modal isOpen={true} toggle={this.toggle}>
+        <ModalHeader toggle={this.toggle}>{gettext('Add Member')}</ModalHeader>
+        <ModalBody>
+          <Form autoComplete="off">
+            <FormGroup>
+              <Label>{gettext('Email')}</Label>
+              <Input value={email} onChange={this.inputEmail} /> 
+            </FormGroup>
+            <FormGroup>
+              <Label>{gettext('Name(optional)')}</Label>
+              <Input autoComplete="new-password" value={name} onChange={this.inputName} /> 
+            </FormGroup>
+            <FormGroup>
+              <Label>{gettext('Password')}</Label>
+              <InputGroup>
+                <Input autoComplete="new-password" type={isPasswordVisible ? 'text' : 'password'} value={password || ''} onChange={this.inputPassword} />
+                <InputGroupAddon addonType="append">
+                  <Button className="mt-0" onClick={this.togglePasswordVisible}><i className={`link-operation-icon fas ${this.state.isPasswordVisible ? 'fa-eye': 'fa-eye-slash'}`}></i></Button>
+                  <Button className="mt-0" onClick={this.generatePassword}><i className="link-operation-icon fas fa-magic"></i></Button>
+                </InputGroupAddon>
+              </InputGroup>
+            </FormGroup>
+            <FormGroup>
+              <Label>{gettext('Password again')}</Label>
+              <Input type={isPasswordVisible ? 'text' : 'password'} value={passwordAgain || ''} onChange={this.inputPasswordAgain} />
+            </FormGroup>
+          </Form>
+          {errorMsg && <Alert color="danger">{errorMsg}</Alert>}
+        </ModalBody>
+        <ModalFooter>
+          <Button color="secondary" onClick={this.toggle}>{gettext('Cancel')}</Button>
+          <Button color="primary" onClick={this.handleSubmit} disabled={!isSubmitBtnActive}>{gettext('Submit')}</Button>
+        </ModalFooter>
+      </Modal>
+    );
+  }
+}
+
+SysAdminAddUserDialog.propTypes = propTypes;
+
+export default SysAdminAddUserDialog;
diff --git a/frontend/src/components/dialog/sysadmin-dialog/sysadmin-set-org-max-user-number-dialog.js b/frontend/src/components/dialog/sysadmin-dialog/sysadmin-set-org-max-user-number-dialog.js
new file mode 100644
index 0000000000..2e5cb5b6bc
--- /dev/null
+++ b/frontend/src/components/dialog/sysadmin-dialog/sysadmin-set-org-max-user-number-dialog.js
@@ -0,0 +1,75 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { Alert, Modal, ModalHeader, ModalBody, ModalFooter, Button, Form, FormGroup, Input, InputGroup, InputGroupAddon, InputGroupText } from 'reactstrap';
+import { gettext } from '../../../utils/constants';
+import { Utils } from '../../../utils/utils';
+
+const propTypes = {
+  toggle: PropTypes.func.isRequired,
+  updateValue: PropTypes.func.isRequired
+};
+
+class SysAdminSetOrgMaxUserNumberDialog extends React.Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      value: this.props.value,
+      isSubmitBtnActive: false
+    };
+  }
+
+  toggle = () => {
+    this.props.toggle();
+  }
+
+  handleInputChange = (e) => {
+    const value = e.target.value.trim();
+    this.setState({
+      value: value,
+      isSubmitBtnActive: value != ''
+    });
+  }
+
+  handleKeyPress = (e) => {
+    if (e.key == 'Enter') {
+      this.handleSubmit();
+      e.preventDefault();
+    }
+  }
+
+  handleSubmit = () => {
+    this.props.updateValue(this.state.value);
+    this.toggle();
+  }
+
+  render() {
+    const { value, isSubmitBtnActive } = this.state;
+    return (
+      <Modal isOpen={true} toggle={this.toggle}>
+        <ModalHeader toggle={this.toggle}>{gettext('Set max number of members')}</ModalHeader>
+        <ModalBody>
+          <Form>
+            <FormGroup>
+                <Input
+                  type="text"
+                  className="form-control"
+                  value={value}
+                  onKeyPress={this.handleKeyPress} 
+                  onChange={this.handleInputChange}
+                />
+            </FormGroup>
+          </Form>
+        </ModalBody>
+        <ModalFooter>
+          <Button color="secondary" onClick={this.toggle}>{gettext('Cancel')}</Button>
+          <Button color="primary" onClick={this.handleSubmit} disabled={!isSubmitBtnActive}>{gettext('Submit')}</Button>
+        </ModalFooter>
+      </Modal>
+    );
+  }
+}
+
+SysAdminSetOrgMaxUserNumberDialog.propTypes = propTypes;
+
+export default SysAdminSetOrgMaxUserNumberDialog;
diff --git a/frontend/src/components/dialog/sysadmin-dialog/sysadmin-set-org-name-dialog.js b/frontend/src/components/dialog/sysadmin-dialog/sysadmin-set-org-name-dialog.js
new file mode 100644
index 0000000000..cf1dd95942
--- /dev/null
+++ b/frontend/src/components/dialog/sysadmin-dialog/sysadmin-set-org-name-dialog.js
@@ -0,0 +1,75 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { Alert, Modal, ModalHeader, ModalBody, ModalFooter, Button, Form, FormGroup, Input, InputGroup, InputGroupAddon, InputGroupText } from 'reactstrap';
+import { gettext } from '../../../utils/constants';
+import { Utils } from '../../../utils/utils';
+
+const propTypes = {
+  toggle: PropTypes.func.isRequired,
+  updateName: PropTypes.func.isRequired
+};
+
+class SysAdminSetOrgNameDialog extends React.Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      name: this.props.name,
+      isSubmitBtnActive: false
+    };
+  }
+
+  toggle = () => {
+    this.props.toggle();
+  }
+
+  handleInputChange = (e) => {
+    const value = e.target.value.trim();
+    this.setState({
+      name: value,
+      isSubmitBtnActive: value != ''
+    });
+  }
+
+  handleKeyPress = (e) => {
+    if (e.key == 'Enter') {
+      this.handleSubmit();
+      e.preventDefault();
+    }
+  }
+
+  handleSubmit = () => {
+    this.props.updateName(this.state.name);
+    this.toggle();
+  }
+
+  render() {
+    const { name, isSubmitBtnActive } = this.state;
+    return (
+      <Modal isOpen={true} toggle={this.toggle}>
+        <ModalHeader toggle={this.toggle}>{gettext('Set Name')}</ModalHeader>
+        <ModalBody>
+          <Form>
+            <FormGroup>
+                <Input
+                  type="text"
+                  className="form-control"
+                  value={name}
+                  onKeyPress={this.handleKeyPress} 
+                  onChange={this.handleInputChange}
+                />
+            </FormGroup>
+          </Form>
+        </ModalBody>
+        <ModalFooter>
+          <Button color="secondary" onClick={this.toggle}>{gettext('Cancel')}</Button>
+          <Button color="primary" onClick={this.handleSubmit} disabled={!isSubmitBtnActive}>{gettext('Submit')}</Button>
+        </ModalFooter>
+      </Modal>
+    );
+  }
+}
+
+SysAdminSetOrgNameDialog.propTypes = propTypes;
+
+export default SysAdminSetOrgNameDialog;
diff --git a/frontend/src/components/dialog/sysadmin-dialog/sysadmin-set-org-quota-dialog.js b/frontend/src/components/dialog/sysadmin-dialog/sysadmin-set-org-quota-dialog.js
new file mode 100644
index 0000000000..c7a3d3dccb
--- /dev/null
+++ b/frontend/src/components/dialog/sysadmin-dialog/sysadmin-set-org-quota-dialog.js
@@ -0,0 +1,85 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { Alert, Modal, ModalHeader, ModalBody, ModalFooter, Button, Form, FormGroup, Input, InputGroup, InputGroupAddon, InputGroupText } from 'reactstrap';
+import { gettext } from '../../../utils/constants';
+import { Utils } from '../../../utils/utils';
+
+const propTypes = {
+  toggle: PropTypes.func.isRequired,
+  updateQuota: PropTypes.func.isRequired
+};
+
+class SysAdminOrgSetQuotaDialog extends React.Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      quota: '',
+      isSubmitBtnActive: false
+    };
+  }
+
+  toggle = () => {
+    this.props.toggle();
+  }
+
+  handleQuotaChange = (e) => {
+    const value = e.target.value.trim();
+    this.setState({
+      quota: value,
+      isSubmitBtnActive: value != ''
+    });
+  }
+
+  handleKeyPress = (e) => {
+    if (e.key == 'Enter') {
+      this.handleSubmit();
+      e.preventDefault();
+    }
+  }
+
+  handleSubmit = () => {
+    this.props.updateQuota(this.state.quota);
+    this.toggle();
+  }
+
+  render() {
+    const { quota, isSubmitBtnActive } = this.state;
+    return (
+      <Modal isOpen={true} toggle={this.toggle}>
+        <ModalHeader toggle={this.toggle}>{gettext('Set Quota')}</ModalHeader>
+        <ModalBody>
+          <Form>
+            <FormGroup>
+              <InputGroup>
+                <Input
+                  type="text"
+                  className="form-control"
+                  value={quota}
+                  onKeyPress={this.handleKeyPress} 
+                  onChange={this.handleQuotaChange}
+                />
+                <InputGroupAddon addonType="append">
+                  <InputGroupText>MB</InputGroupText>
+                </InputGroupAddon>
+              </InputGroup>
+              <p className="small text-secondary mt-2 mb-2">
+                {gettext('An integer that is greater than or equal to 0.')}
+                <br />
+                {gettext('Tip: 0 means default limit')}
+              </p>
+            </FormGroup>
+          </Form>
+        </ModalBody>
+        <ModalFooter>
+          <Button color="secondary" onClick={this.toggle}>{gettext('Cancel')}</Button>
+          <Button color="primary" onClick={this.handleSubmit} disabled={!isSubmitBtnActive}>{gettext('Submit')}</Button>
+        </ModalFooter>
+      </Modal>
+    );
+  }
+}
+
+SysAdminOrgSetQuotaDialog.propTypes = propTypes;
+
+export default SysAdminOrgSetQuotaDialog;
diff --git a/frontend/src/components/select-editor/sysadmin-user-role-editor.js b/frontend/src/components/select-editor/sysadmin-user-role-editor.js
new file mode 100644
index 0000000000..8b1cff839a
--- /dev/null
+++ b/frontend/src/components/select-editor/sysadmin-user-role-editor.js
@@ -0,0 +1,43 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { gettext } from '../../utils/constants';
+import SelectEditor from './select-editor';
+
+const propTypes = {
+  isTextMode: PropTypes.bool.isRequired,
+  isEditIconShow: PropTypes.bool.isRequired,
+  roleOptions: PropTypes.array.isRequired,
+  currentRole: PropTypes.string.isRequired,
+  onRoleChanged: PropTypes.func.isRequired
+};
+
+class SysAdminUserRoleEditor extends React.Component {
+
+  translateRoles = (role) => {
+    switch (role) {
+      case 'default':
+        return gettext('Default');
+      case 'guest':
+        return gettext('Guest');
+      default:
+        return role;
+    }
+  }
+
+  render() {
+    return (
+      <SelectEditor 
+        isTextMode={this.props.isTextMode}
+        isEditIconShow={this.props.isEditIconShow}
+        options={this.props.roleOptions}
+        currentOption={this.props.currentRole}
+        onOptionChanged={this.props.onRoleChanged}
+        translateOption={this.translateRoles}
+      />
+    );
+  }
+}
+
+SysAdminUserRoleEditor.propTypes = propTypes;
+
+export default SysAdminUserRoleEditor;
diff --git a/frontend/src/components/select-editor/sysadmin-user-status-editor.js b/frontend/src/components/select-editor/sysadmin-user-status-editor.js
new file mode 100644
index 0000000000..88ad57d502
--- /dev/null
+++ b/frontend/src/components/select-editor/sysadmin-user-status-editor.js
@@ -0,0 +1,41 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { gettext } from '../../utils/constants';
+import SelectEditor from './select-editor';
+
+const propTypes = {
+  isTextMode: PropTypes.bool.isRequired,
+  isEditIconShow: PropTypes.bool.isRequired,
+  statusOptions: PropTypes.array.isRequired,
+  currentStatus: PropTypes.string.isRequired,
+  onStatusChanged: PropTypes.func.isRequired
+};
+
+class SysAdminUserStatusEditor extends React.Component {
+
+  translateStatus = (status) => {
+    switch (status) {
+      case 'active':
+        return gettext('Active');
+      case 'inactive':
+        return gettext('Inactive');
+    }
+  }
+
+  render() {
+    return (
+      <SelectEditor
+        isTextMode={this.props.isTextMode}
+        isEditIconShow={this.props.isEditIconShow}
+        options={this.props.statusOptions}
+        currentOption={this.props.currentStatus}
+        onOptionChanged={this.props.onStatusChanged}
+        translateOption={this.translateStatus}
+      />
+    );
+  }
+}
+
+SysAdminUserStatusEditor.propTypes = propTypes;
+
+export default SysAdminUserStatusEditor;
diff --git a/frontend/src/pages/sys-admin/index.js b/frontend/src/pages/sys-admin/index.js
index e417af7556..0161dc3363 100644
--- a/frontend/src/pages/sys-admin/index.js
+++ b/frontend/src/pages/sys-admin/index.js
@@ -27,6 +27,12 @@ import DepartmentDetail from './departments/department-detail';
 import ShareLinks from './links/share-links';
 import UploadLinks from './links/upload-links';
 
+import Orgs from './orgs/orgs';
+import OrgInfo from './orgs/org-info';
+import OrgUsers from './orgs/org-users';
+import OrgGroups from './orgs/org-groups';
+import OrgRepos from './orgs/org-repos';
+
 import WebSettings from './web-settings/web-settings';
 import Notifications from './notifications/notifications';
 import FileScanRecords from './file-scan-records';
@@ -64,6 +70,10 @@ class SysAdmin extends React.Component {
         tab: 'groups',
         urlPartList: ['groups/']
       },
+      {
+        tab: 'organizations',
+        urlPartList: ['organizations/']
+      },
     ];
     const tmpTab = this.getCurrentTabForPageList(pageList);
     currentTab = tmpTab ? tmpTab : currentTab;
@@ -125,6 +135,11 @@ class SysAdmin extends React.Component {
             </Departments>
             <ShareLinks path={siteRoot + 'sys/share-links'} />
             <UploadLinks path={siteRoot + 'sys/upload-links'} />
+            <Orgs path={siteRoot + 'sys/organizations'} />
+            <OrgInfo path={siteRoot + 'sys/organizations/:orgID/info'} />
+            <OrgUsers path={siteRoot + 'sys/organizations/:orgID/users'} />
+            <OrgGroups path={siteRoot + 'sys/organizations/:orgID/groups'} />
+            <OrgRepos path={siteRoot + 'sys/organizations/:orgID/libraries'} />
             <FileScanRecords
               path={siteRoot + 'sys/file-scan-records'}
               currentTab={currentTab} 
diff --git a/frontend/src/pages/sys-admin/orgs/org-groups.js b/frontend/src/pages/sys-admin/orgs/org-groups.js
new file mode 100644
index 0000000000..453023bddd
--- /dev/null
+++ b/frontend/src/pages/sys-admin/orgs/org-groups.js
@@ -0,0 +1,209 @@
+import React, { Component, Fragment } from 'react';
+import moment from 'moment';
+import { Utils } from '../../../utils/utils';
+import { seafileAPI } from '../../../utils/seafile-api';
+import { siteRoot, loginUrl, gettext } from '../../../utils/constants';
+import toaster from '../../../components/toast';
+import EmptyTip from '../../../components/empty-tip';
+import Loading from '../../../components/loading';
+import CommonOperationConfirmationDialog from '../../../components/dialog/common-operation-confirmation-dialog';
+import MainPanelTopbar from '../main-panel-topbar';
+import OrgNav from './org-nav';
+
+class Content extends Component {
+
+  constructor(props) {
+    super(props);
+  }
+
+  render() {
+    const { loading, errorMsg, items } = this.props;
+    if (loading) {
+      return <Loading />;
+    } else if (errorMsg) {
+      return <p className="error text-center mt-4">{errorMsg}</p>;
+    } else {
+      const emptyTip = (
+        <EmptyTip>
+          <h2>{gettext('No groups')}</h2>
+        </EmptyTip>
+      );
+      const table = (
+        <Fragment>
+          <table className="table-hover">
+            <thead>
+              <tr>
+                <th width="30%">{gettext('Name')}</th>
+                <th width="30%">{gettext('Creator')}</th>
+                <th width="30%">{gettext('Created At')}</th>
+                <th width="10%">{/* Operations */}</th>
+              </tr>
+            </thead>
+            <tbody>
+              {items.map((item, index) => {
+                return (<Item
+                  key={index}
+                  item={item}
+                  deleteGroup={this.props.deleteGroup}
+                />);
+              })}
+            </tbody>
+          </table>
+        </Fragment>
+      );
+      return items.length ? table : emptyTip; 
+    }
+  }
+}
+
+class Item extends Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      isOpIconShown: false,
+      isDeleteDialogOpen: false
+    };
+  }
+
+  handleMouseEnter = () => {
+    this.setState({isOpIconShown: true});
+  }
+
+  handleMouseLeave = () => {
+    this.setState({isOpIconShown: false});
+  }
+
+  toggleDeleteDialog = (e) => {
+    if (e) {
+      e.preventDefault();
+    }
+    this.setState({isDeleteDialogOpen: !this.state.isDeleteDialogOpen});
+  }
+
+  deleteGroup = () => {
+    this.toggleDeleteDialog();
+    this.props.deleteGroup(this.props.item.group_id);
+  }
+
+  render() {
+    const { item } = this.props;
+    const { isOpIconShown, isDeleteDialogOpen } = this.state;
+
+    const itemName = '<span class="op-target">' + Utils.HTMLescape(item.group_name) + '</span>';
+    const deleteDialogMsg = gettext('Are you sure you want to delete {placeholder} ?').replace('{placeholder}', itemName);
+
+    const groupUrl = item.parent_group_id == 0 ? 
+      `${siteRoot}sys/groups/${item.group_id}/libraries/` :
+      `${siteRoot}sysadmin/#address-book/groups/${item.group_id}/`;
+
+    return (
+      <Fragment>
+        <tr onMouseEnter={this.handleMouseEnter} onMouseLeave={this.handleMouseLeave}>
+          <td><a href={groupUrl}>{item.group_name}</a></td>
+          <td><a href={`${siteRoot}useradmin/info/${encodeURIComponent(item.creator_email)}/`}>{item.creator_name}</a></td>
+          <td>{moment(item.created_at).format('YYYY-MM-DD hh:mm:ss')}</td>
+          <td>
+            <a href="#" className={`action-icon sf2-icon-delete ${isOpIconShown ? '' : 'invisible'}`} title={gettext('Delete')} onClick={this.toggleDeleteDialog}></a>
+          </td>
+        </tr>
+        {isDeleteDialogOpen &&
+          <CommonOperationConfirmationDialog
+            title={gettext('Delete Group')}
+            message={deleteDialogMsg}
+            executeOperation={this.deleteGroup}
+            confirmBtnText={gettext('Delete')}
+            toggleDialog={this.toggleDeleteDialog}
+          />
+        }
+      </Fragment>
+    );
+  }
+}
+
+class OrgGroups extends Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      loading: true,
+      errorMsg: '',
+      orgName: '',
+      groupList: []
+    };
+  }
+
+  componentDidMount () {
+    seafileAPI.sysAdminGetOrgInfo(this.props.orgID).then((res) => {
+      this.setState({
+        orgName: res.data.org_name
+      });
+    });
+    seafileAPI.sysAdminListAllOrgGroups(this.props.orgID).then((res) => {
+      this.setState({
+        loading: false,
+        groupList: res.data.group_list
+      });
+    }).catch((error) => {
+      if (error.response) {
+        if (error.response.status == 403) {
+          this.setState({
+            loading: false,
+            errorMsg: gettext('Permission denied')
+          }); 
+          location.href = `${loginUrl}?next=${encodeURIComponent(location.href)}`;
+        } else {
+          this.setState({
+            loading: false,
+            errorMsg: gettext('Error')
+          }); 
+        }   
+      } else {
+        this.setState({
+          loading: false,
+          errorMsg: gettext('Please check the network.')
+        });
+      }
+    });
+  }
+
+  deleteGroup = (groupID) => {
+    seafileAPI.sysAdminDismissGroupByID(groupID).then(res => {
+      let newGroupList = this.state.groupList.filter(item => {
+        return item.group_id != groupID;
+      });
+      this.setState({groupList: newGroupList});
+      toaster.success(gettext('Successfully deleted 1 item.'));
+    }).catch((error) => {
+      let errMessage = Utils.getErrorMsg(error);
+      toaster.danger(errMessage);
+    });
+  }
+
+  render() {
+    return (
+      <Fragment>
+        <MainPanelTopbar />
+        <div className="main-panel-center flex-row">
+          <div className="cur-view-container">
+            <OrgNav
+              currentItem="groups"
+              orgID={this.props.orgID}
+              orgName={this.state.orgName}
+            />
+            <div className="cur-view-content">
+              <Content
+                loading={this.state.loading}
+                errorMsg={this.state.errorMsg}
+                items={this.state.groupList}
+                deleteGroup={this.deleteGroup}
+              />
+            </div>
+          </div>
+        </div>
+      </Fragment>
+    );
+  }
+}
+
+export default OrgGroups;
diff --git a/frontend/src/pages/sys-admin/orgs/org-info.js b/frontend/src/pages/sys-admin/orgs/org-info.js
new file mode 100644
index 0000000000..edb8652df6
--- /dev/null
+++ b/frontend/src/pages/sys-admin/orgs/org-info.js
@@ -0,0 +1,220 @@
+import React, { Component, Fragment } from 'react';
+import { Utils } from '../../../utils/utils';
+import { seafileAPI } from '../../../utils/seafile-api';
+import { loginUrl, gettext } from '../../../utils/constants';
+import toaster from '../../../components/toast';
+import Loading from '../../../components/loading';
+import SysAdminSetOrgQuotaDialog from '../../../components/dialog/sysadmin-dialog/sysadmin-set-org-quota-dialog';
+import SysAdminSetOrgNameDialog from '../../../components/dialog/sysadmin-dialog/sysadmin-set-org-name-dialog';
+import SysAdminSetOrgMaxUserNumberDialog from '../../../components/dialog/sysadmin-dialog/sysadmin-set-org-max-user-number-dialog';
+import MainPanelTopbar from '../main-panel-topbar';
+import OrgNav from './org-nav';
+
+class Content extends Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      isSetQuotaDialogOpen: false,
+      isSetNameDialogOpen: false,
+      isSetMaxUserNumberDialogOpen: false
+    };
+  }
+
+  toggleSetQuotaDialog = () => {
+    this.setState({isSetQuotaDialogOpen: !this.state.isSetQuotaDialogOpen});
+  }
+
+  toggleSetNameDialog = () => {
+    this.setState({isSetNameDialogOpen: !this.state.isSetNameDialogOpen});
+  }
+
+  toggleSetMaxUserNumberDialog = () => {
+    this.setState({isSetMaxUserNumberDialogOpen: !this.state.isSetMaxUserNumberDialogOpen});
+  }
+
+  showEditIcon = (action) => {
+    return (
+      <span
+        title={gettext('Edit')}
+        className="fa fa-pencil-alt attr-action-icon"
+        onClick={action}>
+      </span>
+    );
+  }
+
+  render() {
+    const { loading, errorMsg, orgInfo } = this.props;
+    if (loading) {
+      return <Loading />;
+    } else if (errorMsg) {
+      return <p className="error text-center">{errorMsg}</p>;
+    } else {
+      const { org_name, users_count, max_user_number, groups_count, quota, quota_usage } = this.props.orgInfo;
+      const { isSetQuotaDialogOpen, isSetNameDialogOpen, isSetMaxUserNumberDialogOpen } = this.state;
+      return (
+        <Fragment>
+          <dl className="m-0">
+            <dt className="info-item-heading">{gettext('Name')}</dt>
+            <dd className="info-item-content">
+              {org_name}
+              {this.showEditIcon(this.toggleSetNameDialog)}
+            </dd>
+
+            <dt className="info-item-heading">{gettext('Number of members')}</dt>
+            <dd className="info-item-content">{users_count}</dd>
+
+            {max_user_number &&
+              <Fragment>
+                <dt className="info-item-heading">{gettext('Max number of members')}</dt>
+                <dd className="info-item-content">
+                  {max_user_number}
+                  {this.showEditIcon(this.toggleSetMaxUserNumberDialog)}
+                </dd>
+              </Fragment>
+            }
+
+            <dt className="info-item-heading">{gettext('Number of groups')}</dt>
+            <dd className="info-item-content">{groups_count}</dd>
+
+            <dt className="info-item-heading">{gettext('Space Used')}</dt>
+            <dd className="info-item-content">
+              {`${Utils.bytesToSize(quota_usage)} / ${quota > 0 ? Utils.bytesToSize(quota) : '--'}`}
+              {this.showEditIcon(this.toggleSetQuotaDialog)}
+            </dd>
+          </dl>
+          {isSetQuotaDialogOpen &&
+          <SysAdminSetOrgQuotaDialog
+            updateQuota={this.props.updateQuota}
+            toggle={this.toggleSetQuotaDialog}
+          />
+          }
+          {isSetNameDialogOpen &&
+          <SysAdminSetOrgNameDialog
+            name={org_name}
+            updateName={this.props.updateName}
+            toggle={this.toggleSetNameDialog}
+          />
+          }
+          {isSetMaxUserNumberDialogOpen &&
+          <SysAdminSetOrgMaxUserNumberDialog
+            value={max_user_number}
+            updateValue={this.props.updateMaxUserNumber}
+            toggle={this.toggleSetMaxUserNumberDialog}
+          />
+          }
+        </Fragment>
+      );
+    }
+  }
+}
+
+class OrgInfo extends Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      loading: true,
+      errorMsg: '',
+      orgInfo: {}
+    };
+  }
+
+  componentDidMount () {
+    seafileAPI.sysAdminGetOrgInfo(this.props.orgID).then((res) => {
+      this.setState({
+        loading: false,
+        orgInfo: res.data
+      });
+    }).catch((error) => {
+      if (error.response) {
+        if (error.response.status == 403) {
+          this.setState({
+            loading: false,
+            errorMsg: gettext('Permission denied')
+          }); 
+          location.href = `${loginUrl}?next=${encodeURIComponent(location.href)}`;
+        } else {
+          this.setState({
+            loading: false,
+            errorMsg: gettext('Error')
+          }); 
+        }   
+      } else {
+        this.setState({
+          loading: false,
+          errorMsg: gettext('Please check the network.')
+        });
+      }
+    });
+  }
+
+  updateQuota = (quota) => {
+    const data = {quota: quota};
+    seafileAPI.sysAdminUpdateOrgInfo(this.props.orgID, data).then(res => {
+      const newOrgInfo = Object.assign(this.state.orgInfo, {
+        quota: res.data.quota
+      });
+      this.setState({orgInfo: newOrgInfo});
+      toaster.success(gettext('Successfully set quota.'));
+    }).catch((error) => {
+      let errMessage = Utils.getErrorMsg(error);
+      toaster.danger(errMessage);
+    }); 
+  }
+
+  updateName = (orgName) => {
+    const data = {orgName: orgName};
+    seafileAPI.sysAdminUpdateOrgInfo(this.props.orgID, data).then(res => {
+      const newOrgInfo = Object.assign(this.state.orgInfo, {
+        org_name: res.data.org_name
+      });
+      this.setState({orgInfo: newOrgInfo});
+      toaster.success(gettext('Successfully set name.'));
+    }).catch((error) => {
+      let errMessage = Utils.getErrorMsg(error);
+      toaster.danger(errMessage);
+    });
+  }
+
+  updateMaxUserNumber = (newValue) => {
+    const data = {maxUserNumber: newValue};
+    seafileAPI.sysAdminUpdateOrgInfo(this.props.orgID, data).then(res => {
+      const newOrgInfo = Object.assign(this.state.orgInfo, {
+        max_user_number: res.data.max_user_number
+      });
+      this.setState({orgInfo: newOrgInfo});
+      toaster.success(gettext('Successfully set max number of members.'));
+    }).catch((error) => {
+      let errMessage = Utils.getErrorMsg(error);
+      toaster.danger(errMessage);
+    });
+  }
+
+  render() {
+    const { orgInfo } = this.state;
+    return (
+      <Fragment>
+        <MainPanelTopbar />
+        <div className="main-panel-center flex-row">
+          <div className="cur-view-container">
+            <OrgNav currentItem="info" orgID={this.props.orgID} orgName={orgInfo.org_name} />
+            <div className="cur-view-content">
+              <Content
+                orgID={this.props.orgID}
+                loading={this.state.loading}
+                errorMsg={this.state.errorMsg}
+                orgInfo={this.state.orgInfo}
+                updateQuota={this.updateQuota}
+                updateName={this.updateName}
+                updateMaxUserNumber={this.updateMaxUserNumber}
+              />
+            </div>
+          </div>
+        </div>
+      </Fragment>
+    );
+  }
+}
+
+export default OrgInfo;
diff --git a/frontend/src/pages/sys-admin/orgs/org-nav.js b/frontend/src/pages/sys-admin/orgs/org-nav.js
new file mode 100644
index 0000000000..c4d2fd71ac
--- /dev/null
+++ b/frontend/src/pages/sys-admin/orgs/org-nav.js
@@ -0,0 +1,47 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { Link } from '@reach/router';
+import { siteRoot, gettext } from '../../../utils/constants';
+
+const propTypes = {
+  currentItem: PropTypes.string.isRequired
+};
+
+class Nav extends React.Component {
+
+  constructor(props) {
+    super(props);
+    this.navItems = [
+      {name: 'info', urlPart: 'info', text: gettext('Info')},
+      {name: 'users', urlPart: 'users', text: gettext('Members')},
+      {name: 'groups', urlPart: 'groups', text: gettext('Groups')},
+      {name: 'repos', urlPart: 'libraries', text: gettext('Libraries')},
+      //{name: 'traffic', urlPart: 'traffic', text: gettext('traffic')},
+      //{name: 'settings', urlPart: 'settings', text: gettext('Settings')}
+    ];
+  }
+
+  render() {
+    const { currentItem, orgID, orgName } = this.props;
+    return (
+     <div>
+        <div className="cur-view-path">
+          <h3 className="sf-heading"><Link to={`${siteRoot}sys/organizations/`}>{gettext('Organizations')}</Link> / {orgName}</h3>
+        </div>
+        <ul className="nav border-bottom mx-4">
+          {this.navItems.map((item, index) => {
+            return (
+              <li className="nav-item mr-2" key={index}>
+                <Link to={`${siteRoot}sys/organizations/${orgID}/${item.urlPart}/`} className={`nav-link ${currentItem == item.name ? ' active' : ''}`}>{item.text}</Link>
+              </li>
+            );
+          })}
+        </ul>
+      </div>
+    );
+  }
+}
+
+Nav.propTypes = propTypes;
+
+export default Nav;
diff --git a/frontend/src/pages/sys-admin/orgs/org-repos.js b/frontend/src/pages/sys-admin/orgs/org-repos.js
new file mode 100644
index 0000000000..c847e27d4c
--- /dev/null
+++ b/frontend/src/pages/sys-admin/orgs/org-repos.js
@@ -0,0 +1,213 @@
+import React, { Component, Fragment } from 'react';
+import { Utils } from '../../../utils/utils';
+import { seafileAPI } from '../../../utils/seafile-api';
+import { siteRoot, loginUrl, gettext } from '../../../utils/constants';
+import toaster from '../../../components/toast';
+import EmptyTip from '../../../components/empty-tip';
+import Loading from '../../../components/loading';
+import CommonOperationConfirmationDialog from '../../../components/dialog/common-operation-confirmation-dialog';
+import MainPanelTopbar from '../main-panel-topbar';
+import OrgNav from './org-nav';
+
+class Content extends Component {
+
+  constructor(props) {
+    super(props);
+  }
+
+  render() {
+    const { loading, errorMsg, items } = this.props;
+    if (loading) {
+      return <Loading />;
+    } else if (errorMsg) {
+      return <p className="error text-center mt-4">{errorMsg}</p>;
+    } else {
+      const emptyTip = (
+        <EmptyTip>
+          <h2>{gettext('No libraries')}</h2>
+        </EmptyTip>
+      );
+      const table = (
+        <Fragment>
+          <table className="table-hover">
+            <thead>
+              <tr>
+                <th width="5%"></th>
+                <th width="30%">{gettext('Name')}</th>
+                <th width="35%">{gettext('ID')}</th>
+                <th width="20%">{gettext('Owner')}</th>
+                <th width="10%">{/* Operations */}</th>
+              </tr>
+            </thead>
+            <tbody>
+              {items.map((item, index) => {
+                return (<Item
+                  key={index}
+                  item={item}
+                  deleteRepo={this.props.deleteRepo}
+                />);
+              })}
+            </tbody>
+          </table>
+        </Fragment>
+      );
+      return items.length ? table : emptyTip; 
+    }
+  }
+}
+
+class Item extends Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      isOpIconShown: false,
+      isDeleteDialogOpen: false
+    };
+  }
+
+  handleMouseEnter = () => {
+    this.setState({isOpIconShown: true});
+  }
+
+  handleMouseLeave = () => {
+    this.setState({isOpIconShown: false});
+  }
+
+  toggleDeleteDialog = (e) => {
+    if (e) {
+      e.preventDefault();
+    }
+    this.setState({isDeleteDialogOpen: !this.state.isDeleteDialogOpen});
+  }
+
+  deleteRepo = () => {
+    this.props.deleteRepo(this.props.item.repo_id);
+  }
+
+  render() {
+    const { item } = this.props;
+    const { isOpIconShown, isDeleteDialogOpen } = this.state;
+
+    const iconUrl = Utils.getLibIconUrl(item);
+    const iconTitle = Utils.getLibIconTitle(item);
+
+    const itemName = '<span class="op-target">' + Utils.HTMLescape(item.repo_name) + '</span>';
+    const deleteDialogMsg = gettext('Are you sure you want to delete {placeholder} ?').replace('{placeholder}', itemName);
+
+    return (
+      <Fragment>
+        <tr onMouseEnter={this.handleMouseEnter} onMouseLeave={this.handleMouseLeave}>
+          <td><img src={iconUrl} title={iconTitle} alt={iconTitle} width="24" /></td>
+          <td>{item.repo_name}</td>
+          <td>{item.repo_id}</td>
+          <td>
+            {item.owner_email ?
+              <a href={`${siteRoot}useradmin/info/${encodeURIComponent(item.owner_email)}/`}>{item.owner_name}</a> :
+              '--'
+            }
+          </td>
+          <td>
+            <a href="#" className={`action-icon sf2-icon-delete ${isOpIconShown ? '' : 'invisible'}`} title={gettext('Delete')} onClick={this.toggleDeleteDialog}></a>
+          </td>
+        </tr>
+        {isDeleteDialogOpen &&
+          <CommonOperationConfirmationDialog
+            title={gettext('Delete Library')}
+            message={deleteDialogMsg}
+            executeOperation={this.deleteRepo}
+            confirmBtnText={gettext('Delete')}
+            toggleDialog={this.toggleDeleteDialog}
+          />
+        }
+      </Fragment>
+    );
+  }
+}
+
+class OrgRepos extends Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      loading: true,
+      errorMsg: '',
+      orgName: '',
+      repoList: []
+    };
+  }
+
+  componentDidMount () {
+    seafileAPI.sysAdminGetOrgInfo(this.props.orgID).then((res) => {
+      this.setState({
+        orgName: res.data.org_name
+      }); 
+    });
+    seafileAPI.sysAdminListAllOrgRepos(this.props.orgID).then((res) => {
+      this.setState({
+        loading: false,
+        repoList: res.data.repo_list
+      });
+    }).catch((error) => {
+      if (error.response) {
+        if (error.response.status == 403) {
+          this.setState({
+            loading: false,
+            errorMsg: gettext('Permission denied')
+          }); 
+          location.href = `${loginUrl}?next=${encodeURIComponent(location.href)}`;
+        } else {
+          this.setState({
+            loading: false,
+            errorMsg: gettext('Error')
+          }); 
+        }
+      } else {
+        this.setState({
+          loading: false,
+          errorMsg: gettext('Please check the network.')
+        });
+      }
+    });
+  }
+
+  deleteRepo = (repoID) => {
+    seafileAPI.sysAdminDeleteRepo(repoID).then(res => {
+      let newRepoList = this.state.repoList.filter(item => {
+        return item.repo_id != repoID;
+      });
+      this.setState({repoList: newRepoList});
+      toaster.success(gettext('Successfully deleted 1 item.'));
+    }).catch((error) => {
+      let errMessage = Utils.getErrorMsg(error);
+      toaster.danger(errMessage);
+    });
+  }
+
+  render() {
+    return (
+      <Fragment>
+        <MainPanelTopbar />
+        <div className="main-panel-center flex-row">
+          <div className="cur-view-container">
+            <OrgNav
+              currentItem="repos"
+              orgID={this.props.orgID}
+              orgName={this.state.orgName}
+            />
+            <div className="cur-view-content">
+              <Content
+                loading={this.state.loading}
+                errorMsg={this.state.errorMsg}
+                items={this.state.repoList}
+                deleteRepo={this.deleteRepo}
+              />
+            </div>
+          </div>
+        </div>
+      </Fragment>
+    );
+  }
+}
+
+export default OrgRepos;
diff --git a/frontend/src/pages/sys-admin/orgs/org-users.js b/frontend/src/pages/sys-admin/orgs/org-users.js
new file mode 100644
index 0000000000..e94d7ea12f
--- /dev/null
+++ b/frontend/src/pages/sys-admin/orgs/org-users.js
@@ -0,0 +1,348 @@
+import React, { Component, Fragment } from 'react';
+import { Button } from 'reactstrap';
+import moment from 'moment';
+import { Utils } from '../../../utils/utils';
+import { seafileAPI } from '../../../utils/seafile-api';
+import { siteRoot, loginUrl, gettext, username } from '../../../utils/constants';
+import toaster from '../../../components/toast';
+import EmptyTip from '../../../components/empty-tip';
+import Loading from '../../../components/loading';
+import SysAdminUserStatusEditor from '../../../components/select-editor/sysadmin-user-status-editor';
+import SysAdminAddUserDialog from '../../../components/dialog/sysadmin-dialog/sysadmin-add-user-dialog';
+import CommonOperationConfirmationDialog from '../../../components/dialog/common-operation-confirmation-dialog';
+import MainPanelTopbar from '../main-panel-topbar';
+import OrgNav from './org-nav';
+import OpMenu from './user-op-menu';
+
+class Content extends Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      isItemFreezed: false
+    };
+  }
+
+  onFreezedItem = () => {
+    this.setState({isItemFreezed: true});
+  }
+
+  onUnfreezedItem = () => {
+    this.setState({isItemFreezed: false});
+  }
+
+  render() {
+    const { loading, errorMsg, items } = this.props;
+    if (loading) {
+      return <Loading />;
+    } else if (errorMsg) {
+      return <p className="error text-center mt-4">{errorMsg}</p>;
+    } else {
+      const emptyTip = (
+        <EmptyTip>
+          <h2>{gettext('No members')}</h2>
+        </EmptyTip>
+      );
+      const table = (
+        <Fragment>
+          <table>
+            <thead>
+              <tr>
+                <th width="25%">{gettext('Name')}</th>
+                <th width="20%">{gettext('Status')}</th>
+                <th width="20%">{gettext('Space Used')}</th>
+                <th width="30%">{gettext('Created At')}{' / '}{gettext('Last Login')}</th>
+                <th width="5%">{/* Operations */}</th>
+              </tr>
+            </thead>
+            <tbody>
+              {items.map((item, index) => {
+                return (<Item
+                  key={index}
+                  item={item}
+                  isItemFreezed={this.state.isItemFreezed}
+                  onFreezedItem={this.onFreezedItem}
+                  onUnfreezedItem={this.onUnfreezedItem}
+                  updateStatus={this.props.updateStatus}
+                  deleteUser={this.props.deleteUser}
+                />);
+              })}
+            </tbody>
+          </table>
+        </Fragment>
+      );
+      return items.length ? table : emptyTip; 
+    }
+  }
+}
+
+class Item extends Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      isOpIconShown: false,
+      highlight: false,
+      isDeleteDialogOpen: false,
+      isResetPasswordDialogOpen: false
+    };
+  }
+
+  handleMouseEnter = () => {
+    if (!this.props.isItemFreezed) {
+      this.setState({
+        isOpIconShown: true,
+        highlight: true
+      }); 
+    }   
+  }
+
+  handleMouseLeave = () => {
+    if (!this.props.isItemFreezed) {
+      this.setState({
+        isOpIconShown: false,
+        highlight: false
+      }); 
+    }   
+  }
+
+    onUnfreezedItem = () => {
+      this.setState({
+        highlight: false,
+        isOpIconShow: false
+      });
+      this.props.onUnfreezedItem();
+    }
+
+onMenuItemClick = (operation) => {
+  switch(operation) {
+    case 'Delete':
+      this.toggleDeleteDialog();
+      break;
+    case 'Reset Password':
+      this.toggleResetPasswordDialog();
+      break;
+    default:
+      break;
+  }
+}
+
+  toggleDeleteDialog = (e) => {
+    if (e) {
+      e.preventDefault();
+    }
+    this.setState({isDeleteDialogOpen: !this.state.isDeleteDialogOpen});
+  }
+
+  toggleResetPasswordDialog = (e) => {
+    if (e) {
+      e.preventDefault();
+    }
+    this.setState({isResetPasswordDialogOpen: !this.state.isResetPasswordDialogOpen});
+  }
+
+  updateStatus= (statusValue) => {
+    this.props.updateStatus(this.props.item.email, statusValue);
+  }
+
+  deleteUser = () => {
+    const { item } = this.props;
+    this.props.deleteUser(item.org_id, item.email);
+  }
+
+  resetPassword = () => {
+    seafileAPI.sysAdminResetUserPassword(this.props.item.email).then(res => {
+      toaster.success(res.data.reset_tip);
+    }).catch((error) => {
+      let errMessage = Utils.getErrorMsg(error);
+      toaster.danger(errMessage);
+    }); 
+  }
+
+  render() {
+    const { item } = this.props;
+    const { isOpIconShown, isDeleteDialogOpen, isResetPasswordDialogOpen } = this.state;
+
+    const itemName = '<span class="op-target">' + Utils.HTMLescape(item.name) + '</span>';
+    let deleteDialogMsg = gettext('Are you sure you want to delete {placeholder} ?').replace('{placeholder}', itemName);
+    let resetPasswordDialogMsg = gettext('Are you sure you want to reset the password of {placeholder} ?').replace('{placeholder}', itemName);
+
+    return (
+      <Fragment>
+        <tr className={this.state.highlight ? 'tr-highlight' : ''} onMouseEnter={this.handleMouseEnter} onMouseLeave={this.handleMouseLeave}>
+          <td><a href={`${siteRoot}useradmin/info/${encodeURIComponent(item.email)}/`}>{item.name}</a></td>
+          <td>
+            <SysAdminUserStatusEditor
+              isTextMode={true}
+              isEditIconShow={isOpIconShown}
+              currentStatus={item.active ? 'active' : 'inactive'}
+              statusOptions={['active', 'inactive']}
+              onStatusChanged={this.updateStatus}
+            />
+          </td>
+          <td>{`${Utils.bytesToSize(item.quota_usage)} / ${item.quota_total > 0 ? Utils.bytesToSize(item.quota_total) : '--'}`}</td>
+          <td>
+            {moment(item.ctime).format('YYYY-MM-DD hh:mm:ss')}{' / '}{item.last_login ? moment(item.last_login).fromNow() : '--'}
+          </td>
+          <td>
+            {(isOpIconShown && item.email != username) &&
+            <OpMenu
+              onMenuItemClick={this.onMenuItemClick}
+              onFreezedItem={this.props.onFreezedItem}
+              onUnfreezedItem={this.onUnfreezedItem}
+            />
+            }
+          </td>
+        </tr>
+        {isDeleteDialogOpen &&
+          <CommonOperationConfirmationDialog
+            title={gettext('Delete Member')}
+            message={deleteDialogMsg}
+            executeOperation={this.deleteUser}
+            confirmBtnText={gettext('Delete')}
+            toggleDialog={this.toggleDeleteDialog}
+          />
+        }
+        {isResetPasswordDialogOpen &&
+          <CommonOperationConfirmationDialog
+            title={gettext('Reset Password')}
+            message={resetPasswordDialogMsg}
+            executeOperation={this.resetPassword}
+            confirmBtnText={gettext('Reset')}
+            toggleDialog={this.toggleResetPasswordDialog}
+          />
+        }
+      </Fragment>
+    );
+  }
+}
+
+class OrgUsers extends Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      loading: true,
+      errorMsg: '',
+      orgName: '',
+      userList: [],
+      isAddUserDialogOpen: false
+    };
+  }
+
+  componentDidMount () {
+    seafileAPI.sysAdminGetOrgInfo(this.props.orgID).then((res) => {
+      this.setState({
+        orgName: res.data.org_name
+      });
+    });
+    seafileAPI.sysAdminListAllOrgUsers(this.props.orgID).then((res) => {
+      this.setState({
+        loading: false,
+        userList: res.data.users
+      });
+    }).catch((error) => {
+      if (error.response) {
+        if (error.response.status == 403) {
+          this.setState({
+            loading: false,
+            errorMsg: gettext('Permission denied')
+          }); 
+          location.href = `${loginUrl}?next=${encodeURIComponent(location.href)}`;
+        } else {
+          this.setState({
+            loading: false,
+            errorMsg: gettext('Error')
+          }); 
+        }   
+      } else {
+        this.setState({
+          loading: false,
+          errorMsg: gettext('Please check the network.')
+        });
+      }
+    });
+  }
+
+  toggleAddUserDialog = () => {
+    this.setState({isAddUserDialogOpen: !this.state.isAddUserDialogOpen});
+  }
+
+  addUser = (newUserInfo) => {
+    const { email, name, password } = newUserInfo;
+    seafileAPI.sysAdminAddOrgUser(this.props.orgID, email, name, password).then(res => {
+      let userList = this.state.userList;
+      userList.unshift(res.data);
+      this.setState({userList: userList});
+    }).catch((error) => {
+      let errMessage = Utils.getErrorMsg(error);
+      toaster.danger(errMessage);
+    });
+  }
+
+  deleteUser = (orgID, email) => {
+    seafileAPI.sysAdminDeleteOrgUser(orgID, email).then(res => {
+      let newUserList = this.state.userList.filter(item => {
+        return item.email != email;
+      });
+      this.setState({userList: newUserList});
+      toaster.success(gettext('Successfully deleted 1 item.'));
+    }).catch((error) => {
+      let errMessage = Utils.getErrorMsg(error);
+      toaster.danger(errMessage);
+    });
+  }
+
+  updateStatus = (email, statusValue) => {
+    const isActive = statusValue == 'active';
+    seafileAPI.sysAdminUpdateOrgUserInfo(this.props.orgID, email, 'active', isActive).then(res => {
+      let newUserList = this.state.userList.map(item => {
+        if (item.email == email) {
+          item.active = res.data.active;
+        }
+        return item;
+      });
+      this.setState({userList: newUserList});
+    }).catch((error) => {
+      let errMessage = Utils.getErrorMsg(error);
+      toaster.danger(errMessage);
+    });
+  }
+
+  render() {
+    const { isAddUserDialogOpen, orgName } = this.state;
+    return (
+      <Fragment>
+        <MainPanelTopbar>
+          <Button className="btn btn-secondary operation-item" onClick={this.toggleAddUserDialog}>{gettext('Add Member')}</Button>
+        </MainPanelTopbar>
+        <div className="main-panel-center flex-row">
+          <div className="cur-view-container">
+            <OrgNav 
+              currentItem="users" 
+              orgID={this.props.orgID} 
+              orgName={orgName}
+            />
+            <div className="cur-view-content">
+              <Content
+                loading={this.state.loading}
+                errorMsg={this.state.errorMsg}
+                items={this.state.userList}
+                updateStatus={this.updateStatus}
+                deleteUser={this.deleteUser}
+              />
+            </div>
+          </div>
+        </div>
+        {isAddUserDialogOpen &&
+          <SysAdminAddUserDialog
+            addUser={this.addUser}
+            toggleDialog={this.toggleAddUserDialog}
+          />
+        }
+      </Fragment>
+    );
+  }
+}
+
+export default OrgUsers;
diff --git a/frontend/src/pages/sys-admin/orgs/orgs.js b/frontend/src/pages/sys-admin/orgs/orgs.js
new file mode 100644
index 0000000000..1eead22ed5
--- /dev/null
+++ b/frontend/src/pages/sys-admin/orgs/orgs.js
@@ -0,0 +1,261 @@
+import React, { Component, Fragment } from 'react';
+import { Button } from 'reactstrap';
+import moment from 'moment';
+import { Utils } from '../../../utils/utils';
+import { seafileAPI } from '../../../utils/seafile-api';
+import { siteRoot, loginUrl, gettext } from '../../../utils/constants';
+import toaster from '../../../components/toast';
+import EmptyTip from '../../../components/empty-tip';
+import Loading from '../../../components/loading';
+import SysAdminUserRoleEditor from '../../../components/select-editor/sysadmin-user-role-editor';
+import SysAdminAddOrgDialog from '../../../components/dialog/sysadmin-dialog/sysadmin-add-org-dialog';
+import CommonOperationConfirmationDialog from '../../../components/dialog/common-operation-confirmation-dialog';
+import MainPanelTopbar from '../main-panel-topbar';
+
+const { availableRoles } = window.sysadmin.pageOptions;
+
+class Content extends Component {
+
+  constructor(props) {
+    super(props);
+  }
+
+  render() {
+    const { loading, errorMsg, items } = this.props;
+    if (loading) {
+      return <Loading />;
+    } else if (errorMsg) {
+      return <p className="error text-center mt-4">{errorMsg}</p>;
+    } else {
+      const emptyTip = (
+        <EmptyTip>
+          <h2>{gettext('No organizations')}</h2>
+        </EmptyTip>
+      );
+      const table = (
+        <Fragment>
+          <table className="table-hover">
+            <thead>
+              <tr>
+                <th width="20%">{gettext('Name')}</th>
+                <th width="20%">{gettext('Creator')}</th>
+                <th width="20%">{gettext('Role')}</th>
+                <th width="15%">{gettext('Space Used')}</th>
+                <th width="20%">{gettext('Created At')}</th>
+                <th width="5%">{/* Operations */}</th>
+              </tr>
+            </thead>
+            <tbody>
+              {items.map((item, index) => {
+                return (<Item
+                  key={index}
+                  item={item}
+                  updateRole={this.props.updateRole}
+                  deleteOrg={this.props.deleteOrg}
+                />);
+              })}
+            </tbody>
+          </table>
+        </Fragment>
+      );
+      return items.length ? table : emptyTip; 
+    }
+  }
+}
+
+class Item extends Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      isOpIconShown: false,
+      isDeleteDialogOpen: false
+    };
+  }
+
+  handleMouseEnter = () => {
+    this.setState({isOpIconShown: true});
+  }
+
+  handleMouseLeave = () => {
+    this.setState({isOpIconShown: false});
+  }
+
+  toggleDeleteDialog = (e) => {
+    if (e) {
+      e.preventDefault();
+    }
+    this.setState({isDeleteDialogOpen: !this.state.isDeleteDialogOpen});
+  }
+
+  updateRole = (role) => {
+    this.props.updateRole(this.props.item.org_id, role);
+  }
+
+  deleteOrg = () => {
+    this.props.deleteOrg(this.props.item.org_id);
+  }
+
+  render() {
+    const { item } = this.props;
+    const { isOpIconShown, isDeleteDialogOpen } = this.state;
+
+    const orgName = '<span class="op-target">' + Utils.HTMLescape(item.org_name) + '</span>';
+    const deleteDialogMsg = gettext('Are you sure you want to delete {placeholder} ?').replace('{placeholder}', orgName);
+
+    return (
+      <Fragment>
+        <tr onMouseEnter={this.handleMouseEnter} onMouseLeave={this.handleMouseLeave}>
+          <td><a href={`${siteRoot}sys/organizations/${item.org_id}/info/`}>{item.org_name}</a></td>
+          <td><a href={`${siteRoot}useradmin/info/${encodeURIComponent(item.creator_email)}/`}>{item.creator_name}</a></td>
+          <td>
+            <SysAdminUserRoleEditor
+              isTextMode={true}
+              isEditIconShow={isOpIconShown}
+              currentRole={item.role}
+              roleOptions={availableRoles}
+              onRoleChanged={this.updateRole}
+            />
+          </td>
+          <td>{`${Utils.bytesToSize(item.quota_usage)} / ${item.quota > 0 ? Utils.bytesToSize(item.quota) : '--'}`}</td>
+          <td>{moment(item.ctime).format('YYYY-MM-DD hh:mm:ss')}</td>
+          <td>
+            <a href="#" className={`action-icon sf2-icon-delete ${isOpIconShown ? '' : 'invisible'}`} title={gettext('Delete')} onClick={this.toggleDeleteDialog}></a>
+          </td>
+        </tr>
+        {isDeleteDialogOpen &&
+          <CommonOperationConfirmationDialog
+            title={gettext('Delete Organization')}
+            message={deleteDialogMsg}
+            executeOperation={this.deleteOrg}
+            confirmBtnText={gettext('Delete')}
+            toggleDialog={this.toggleDeleteDialog}
+          />
+        }
+      </Fragment>
+    );
+  }
+}
+
+class Orgs extends Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      loading: true,
+      errorMsg: '',
+      orgList: [],
+      isAddOrgDialogOpen: false
+    };
+  }
+
+  componentDidMount () {
+    seafileAPI.sysAdminListAllOrgs().then((res) => {
+      this.setState({
+        loading: false,
+        orgList: res.data.organizations
+      });
+    }).catch((error) => {
+      if (error.response) {
+        if (error.response.status == 403) {
+          this.setState({
+            loading: false,
+            errorMsg: gettext('Permission denied')
+          }); 
+          location.href = `${loginUrl}?next=${encodeURIComponent(location.href)}`;
+        } else {
+          this.setState({
+            loading: false,
+            errorMsg: gettext('Error')
+          }); 
+        }   
+      } else {
+        this.setState({
+          loading: false,
+          errorMsg: gettext('Please check the network.')
+        });
+      }
+    });
+  }
+
+  toggleAddOrgDialog = () => {
+    this.setState({isAddOrgDialogOpen: !this.state.isAddOrgDialogOpen});
+  }
+
+  updateRole = (orgID, role) => {
+    let orgInfo = {};
+    orgInfo.role = role;
+    seafileAPI.sysAdminUpdateOrgInfo(orgID, orgInfo).then(res => {
+      let newOrgList = this.state.orgList.map(org => {
+        if (org.org_id == orgID) {
+          org.role = role;
+        }
+        return org;
+      });
+      this.setState({orgList: newOrgList});
+    }).catch((error) => {
+      let errMessage = Utils.getErrorMsg(error);
+      toaster.danger(errMessage);
+    });
+  }
+
+  addOrg = (data) => {
+    const { orgName, ownerEmail, password } = data;
+    seafileAPI.sysAdminAddOrg(orgName, ownerEmail, password).then(res => {
+      let orgList = this.state.orgList;
+      orgList.unshift(res.data);
+      this.setState({orgList: orgList});
+    }).catch((error) => {
+      let errMessage = Utils.getErrorMsg(error);
+      toaster.danger(errMessage);
+    });
+  }
+
+  deleteOrg = (orgID) => {
+    seafileAPI.sysAdminDeleteOrg(orgID).then(res => {
+      let orgList = this.state.orgList.filter(org => {
+        return org.org_id != orgID;
+      });
+      this.setState({orgList: orgList});
+      toaster.success(gettext('Successfully deleted 1 item.'));
+    }).catch((error) => {
+      let errMessage = Utils.getErrorMsg(error);
+      toaster.danger(errMessage);
+    });
+  }
+
+  render() {
+    const { isAddOrgDialogOpen } = this.state;
+    return (
+      <Fragment>
+        <MainPanelTopbar>
+          <Button className="btn btn-secondary operation-item" onClick={this.toggleAddOrgDialog}>{gettext('Add Organization')}</Button>
+        </MainPanelTopbar>
+        <div className="main-panel-center flex-row">
+          <div className="cur-view-container">
+            <div className="cur-view-path">
+              <h3 className="sf-heading">{gettext('Organizations')}</h3>
+            </div> 
+            <div className="cur-view-content">
+              <Content
+                loading={this.state.loading}
+                errorMsg={this.state.errorMsg}
+                items={this.state.orgList}
+                updateRole={this.updateRole}
+                deleteOrg={this.deleteOrg}
+              />
+            </div>
+          </div>
+        </div>
+        {isAddOrgDialogOpen &&
+          <SysAdminAddOrgDialog
+            addOrg={this.addOrg}
+            toggleDialog={this.toggleAddOrgDialog}
+          />
+        }
+      </Fragment>
+    );
+  }
+}
+
+export default Orgs;
diff --git a/frontend/src/pages/sys-admin/orgs/user-op-menu.js b/frontend/src/pages/sys-admin/orgs/user-op-menu.js
new file mode 100644
index 0000000000..14adbb3ac6
--- /dev/null
+++ b/frontend/src/pages/sys-admin/orgs/user-op-menu.js
@@ -0,0 +1,81 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { Dropdown, DropdownMenu, DropdownToggle, DropdownItem } from 'reactstrap';
+import { gettext } from '../../../utils/constants';
+import { Utils } from '../../../utils/utils';
+
+const propTypes = {
+  onFreezedItem: PropTypes.func.isRequired,
+  onUnfreezedItem: PropTypes.func.isRequired,
+  onMenuItemClick: PropTypes.func.isRequired,
+};
+
+class OpMenu extends React.Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      isItemMenuShow: false
+    };
+  }
+
+  onMenuItemClick = (e) => {
+    let operation = Utils.getEventData(e, 'op');
+    this.props.onMenuItemClick(operation);
+  }
+
+  onDropdownToggleClick = (e) => {
+    this.toggleOperationMenu(e);
+  }
+
+  toggleOperationMenu = (e) => {
+    this.setState(
+      {isItemMenuShow: !this.state.isItemMenuShow},
+      () => {
+        if (this.state.isItemMenuShow) {
+          this.props.onFreezedItem();
+        } else {
+          this.props.onUnfreezedItem();
+        }
+      }
+    );
+  }
+
+  translateOperations = (item) => {
+    let translateResult = '';
+    switch(item) {
+      case 'Delete':
+        translateResult = gettext('Delete');
+        break;
+      case 'Reset Password':
+        translateResult = gettext('Reset Password');
+        break;
+    }
+
+    return translateResult;
+  }
+
+  render() {
+    const operations = ['Delete', 'Reset Password'];
+    return (
+      <Dropdown isOpen={this.state.isItemMenuShow} toggle={this.toggleOperationMenu}>
+        <DropdownToggle 
+          tag="i"
+          className="sf-dropdown-toggle fa fa-ellipsis-v"
+          title={gettext('More Operations')}
+          data-toggle="dropdown" 
+          aria-expanded={this.state.isItemMenuShow}
+        />
+        <DropdownMenu className="mt-2 mr-2">
+          {operations.map((item, index )=> {
+            return (<DropdownItem key={index} data-op={item} onClick={this.onMenuItemClick}>{this.translateOperations(item)}</DropdownItem>);
+          })}
+        </DropdownMenu>
+      </Dropdown>
+    );
+  }
+}
+
+OpMenu.propTypes = propTypes;
+
+export default OpMenu;
diff --git a/frontend/src/pages/sys-admin/side-panel.js b/frontend/src/pages/sys-admin/side-panel.js
index 503cb00a6b..54bd225bbf 100644
--- a/frontend/src/pages/sys-admin/side-panel.js
+++ b/frontend/src/pages/sys-admin/side-panel.js
@@ -121,10 +121,14 @@ class SidePanel extends React.Component {
                 }
                 {multiTenancy && isDefaultAdmin &&
                   <li className="nav-item">
-                    <a className='nav-link ellipsis' href={siteRoot + 'sys/orgadmin/'}>
+                    <Link
+                      className={`nav-link ellipsis ${this.getActiveClass('organizations')}`}
+                      to={siteRoot + 'sys/organizations/'}
+                      onClick={() => this.props.tabItemClick('organizations')}
+                    >
                       <span className="sf2-icon-organization" aria-hidden="true"></span>
                       <span className="nav-text">{gettext('Organizations')}</span>
-                    </a>
+                    </Link>
                   </li>
                 }
                 {multiInstitution && isDefaultAdmin &&
diff --git a/frontend/src/utils/constants.js b/frontend/src/utils/constants.js
index e33a600de3..ccc1e308b7 100644
--- a/frontend/src/utils/constants.js
+++ b/frontend/src/utils/constants.js
@@ -125,4 +125,3 @@ export const canManageGroup = window.sysadmin ? window.sysadmin.pageOptions.admi
 export const canViewUserLog = window.sysadmin ? window.sysadmin.pageOptions.admin_permissions.can_view_user_log : '';
 export const canViewAdminLog = window.sysadmin ? window.sysadmin.pageOptions.admin_permissions.can_view_admin_log : '';
 export const enableWorkWeixin = window.sysadmin ? window.sysadmin.pageOptions.enable_work_weixin : '';
-
diff --git a/seahub/api2/endpoints/admin/organizations.py b/seahub/api2/endpoints/admin/organizations.py
index 3f1b0da7cf..6a728cbded 100644
--- a/seahub/api2/endpoints/admin/organizations.py
+++ b/seahub/api2/endpoints/admin/organizations.py
@@ -44,11 +44,6 @@ try:
 except ImportError:
     MULTI_TENANCY = False
 
-try:
-    from seahub_extra.organizations.settings import ORG_TRIAL_DAYS
-except ImportError:
-    ORG_TRIAL_DAYS = 0
-
 logger = logging.getLogger(__name__)
 
 def get_org_info(org):
@@ -86,11 +81,6 @@ def get_org_detailed_info(org):
     groups = ccnet_api.get_org_groups(org_id, -1, -1)
     org_info['groups_count'] = len(groups)
 
-    if ORG_TRIAL_DAYS > 0:
-        org_info['expiration'] = datetime.datetime.fromtimestamp(org.ctime / 1e6) + timedelta(days=ORG_TRIAL_DAYS)
-    else:
-        org_info['expiration'] = ''
-
     return org_info
 
 
diff --git a/seahub/templates/sysadmin/sysadmin_react_app.html b/seahub/templates/sysadmin/sysadmin_react_app.html
index 78acca0352..4204884ee9 100644
--- a/seahub/templates/sysadmin/sysadmin_react_app.html
+++ b/seahub/templates/sysadmin/sysadmin_react_app.html
@@ -18,12 +18,16 @@
       enable_work_weixin: {% if enable_work_weixin %} true {% else %} false {% endif %},
       enableSysAdminViewRepo: {% if enable_sys_admin_view_repo %} true {% else %} false {% endif %},
       trashReposExpireDays: {{ trash_repos_expire_days }},
-            is_email_configured: {% if is_email_configured %} true {% else %} false {% endif %},
-            send_email_on_resetting_user_passwd: {% if send_email_on_resetting_user_passwd %} true {% else %} false {% endif %},
-            send_email_on_adding_system_member: {% if send_email_on_adding_system_member %} true {% else %} false {% endif %},
-            enable_two_factor_auth: {% if enable_two_factor_auth %} true {% else %} false {% endif %},
-            available_roles: '{{ available_roles | escapejs }}' ,
-            available_admin_roles: '{{ available_admin_roles | escapejs }}' ,
+      send_email_on_adding_system_member: {% if send_email_on_adding_system_member %} true {% else %} false {% endif %},
+      enable_two_factor_auth: {% if enable_two_factor_auth %} true {% else %} false {% endif %},
+      availableRoles: (function() {
+        var list = [];
+        {% for role in available_roles %}
+        list.push('{{role|escapejs}}');
+        {% endfor %}
+        return list;
+      })(),
+      available_admin_roles: '{{ available_admin_roles | escapejs }}',
 			admin_permissions: {
         "can_view_system_info": {% if user.admin_permissions.can_view_system_info %} true {% else %} false {% endif %},
         "can_view_statistic": {% if user.admin_permissions.can_view_statistic %} true {% else %} false {% endif %},
diff --git a/seahub/urls.py b/seahub/urls.py
index f316f62ca1..b475541eba 100644
--- a/seahub/urls.py
+++ b/seahub/urls.py
@@ -672,11 +672,11 @@ urlpatterns = [
     url(r'^sys/users-all/$', sysadmin_react_fake_view, name="sys_users_all"),
     url(r'^sys/users-admin/$', sysadmin_react_fake_view, name="sys_users_admin"),
     url(r'^sys/user-info/(?P<email>[^/]+)/$', sysadmin_react_fake_view, name="sys_users"),
-    url(r'^sys/organizations/$', sysadmin_react_fake_view, name="sys_organizations_all"),
-    url(r'^sys/organizations/(?P<org_id>\d+)/users/$', sysadmin_org_react_fake_view, name="sys_organization_users"),
-    url(r'^sys/organizations/(?P<org_id>\d+)/groups/$', sysadmin_org_react_fake_view, name="sys_organization_groups"),
-    url(r'^sys/organizations/(?P<org_id>\d+)/libraries/$', sysadmin_org_react_fake_view, name="sys_organization_repos"),
-    url(r'^sys/organizations/(?P<org_id>\d+)/settings/$', sysadmin_org_react_fake_view, name="sys_organization_settings"),
+    url(r'^sys/organizations/$', sysadmin_react_fake_view, name="sys_organizations"),
+    url(r'^sys/organizations/(?P<org_id>\d+)/info/$', sysadmin_react_fake_view, name="sys_organization_info"),
+    url(r'^sys/organizations/(?P<org_id>\d+)/users/$', sysadmin_react_fake_view, name="sys_organization_users"),
+    url(r'^sys/organizations/(?P<org_id>\d+)/groups/$', sysadmin_react_fake_view, name="sys_organization_groups"),
+    url(r'^sys/organizations/(?P<org_id>\d+)/libraries/$', sysadmin_react_fake_view, name="sys_organization_repos"),
     url(r'^sys/share-links/$', sysadmin_react_fake_view, name="sys_share_links"),
     url(r'^sys/upload-links/$', sysadmin_react_fake_view, name="sys_upload_links"),
     url(r'^sys/work-weixin/$', sysadmin_react_fake_view, name="sys_work_weixin"),
diff --git a/seahub/views/sysadmin.py b/seahub/views/sysadmin.py
index dd52a5fab9..2834c9414a 100644
--- a/seahub/views/sysadmin.py
+++ b/seahub/views/sysadmin.py
@@ -150,8 +150,6 @@ def sysadmin_react_fake_view(request, **kwargs):
         'constance_enabled': dj_settings.CONSTANCE_ENABLED,
         'multi_tenancy': MULTI_TENANCY,
         'multi_institution': getattr(dj_settings, 'MULTI_INSTITUTION', False),
-        'is_email_configured': IS_EMAIL_CONFIGURED,
-        'send_email_on_resetting_user_passwd': SEND_EMAIL_ON_RESETTING_USER_PASSWD,
         'send_email_on_adding_system_member': SEND_EMAIL_ON_ADDING_SYSTEM_MEMBER,
         'sysadmin_extra_enabled': ENABLE_SYSADMIN_EXTRA,
         'enable_guest_invitation': ENABLE_GUEST_INVITATION,
@@ -165,15 +163,6 @@ def sysadmin_react_fake_view(request, **kwargs):
         'available_admin_roles': get_available_admin_roles()
     })
 
-@login_required
-@sys_staff_required
-def sysadmin_org_react_fake_view(request, **kwargs):
-    return render(request, 'sysadmin/sysadmin_org_react_app.html', {
-        'org_id': kwargs['org_id'],
-        'is_email_configured': IS_EMAIL_CONFIGURED,
-        'send_email_on_resetting_user_passwd': SEND_EMAIL_ON_RESETTING_USER_PASSWD,
-    })
-
 @login_required
 @sys_staff_required
 def sys_statistic_file(request):