diff --git a/frontend/src/components/dialog/sysadmin-dialog/sysadmin-add-department-dialog.js b/frontend/src/components/dialog/sysadmin-dialog/sysadmin-add-department-dialog.js
new file mode 100644
index 0000000000..f65c6a8853
--- /dev/null
+++ b/frontend/src/components/dialog/sysadmin-dialog/sysadmin-add-department-dialog.js
@@ -0,0 +1,101 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { Button, Modal, ModalHeader, ModalBody, ModalFooter, Input, Form, FormGroup, Label } from 'reactstrap';
+import { gettext, orgID } from '../../../utils/constants';
+import { seafileAPI } from '../../../utils/seafile-api';
+
+const propTypes = {
+  groupID: PropTypes.string,
+  parentGroupID: PropTypes.string,
+  toggle: PropTypes.func.isRequired,
+  onDepartChanged: PropTypes.func.isRequired,
+};
+
+class AddDepartDialog extends React.Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      departName: '',
+      errMessage: '',
+    };
+    this.newInput = React.createRef();
+  }
+
+  componentDidMount() {
+    this.newInput.focus();
+    this.newInput.setSelectionRange(0, 0);
+  }
+
+  handleSubmit = () => {
+    let isValid = this.validateName();
+    if (isValid) {
+      let parentGroup = -1;
+      if (this.props.parentGroupID) {
+        parentGroup = this.props.parentGroupID;
+      }
+      seafileAPI.sysAdminAddNewDepartment(parentGroup, this.state.departName.trim()).then((res) => {
+        this.props.toggle();
+        this.props.onDepartChanged();
+      }).catch(error => {
+        let errorMsg = gettext(error.response.data.error_msg);
+        this.setState({ errMessage: errorMsg });
+      });
+    }
+  }
+
+  validateName = () => {
+    let errMessage = '';
+    const name = this.state.departName.trim();
+    if (!name.length) {
+      errMessage = gettext('Name is required');
+      this.setState({ errMessage: errMessage });
+      return false;
+    }
+    return true;
+  }
+
+  handleChange = (e) => {
+    this.setState({
+      departName: e.target.value, 
+    });
+  }
+
+  handleKeyPress = (e) => {
+    if (e.key === 'Enter') {
+      this.handleSubmit();
+      e.preventDefault();
+    }
+  }
+
+  render() {
+    let header = this.props.parentGroupID ? gettext('New Sub-department') : gettext('New Department');
+    return (
+      <Modal isOpen={true} toggle={this.props.toggle}>
+        <ModalHeader toggle={this.props.toggle}>{header}</ModalHeader>
+        <ModalBody>
+          <Form>
+            <FormGroup>
+              <Label for="departName">{gettext('Name')}</Label>
+              <Input 
+                id="departName" 
+                onKeyPress={this.handleKeyPress} 
+                value={this.state.departName} 
+                onChange={this.handleChange}
+                innerRef={input => {this.newInput = input;}}
+              />
+            </FormGroup>
+          </Form>
+          { this.state.errMessage && <p className="error">{this.state.errMessage}</p> }
+        </ModalBody>
+        <ModalFooter>
+          <Button color="primary" onClick={this.handleSubmit}>{gettext('Submit')}</Button>
+        </ModalFooter>
+      </Modal>
+    );
+  }
+}
+
+AddDepartDialog.propTypes = propTypes;
+
+export default AddDepartDialog;
diff --git a/frontend/src/components/dialog/sysadmin-dialog/sysadmin-add-member-dialog.js b/frontend/src/components/dialog/sysadmin-dialog/sysadmin-add-member-dialog.js
new file mode 100644
index 0000000000..be51c52a8d
--- /dev/null
+++ b/frontend/src/components/dialog/sysadmin-dialog/sysadmin-add-member-dialog.js
@@ -0,0 +1,75 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { Button, Modal, ModalHeader, ModalBody, ModalFooter } from 'reactstrap';
+import { gettext, orgID } from '../../../utils/constants';
+import { seafileAPI } from '../../../utils/seafile-api';
+import { Utils } from '../../../utils/utils';
+import toaster from '../../toast';
+import UserSelect from '../../user-select.js';
+
+const propTypes = {
+  toggle: PropTypes.func.isRequired,
+  groupID:  PropTypes.string.isRequired,
+  onMemberChanged: PropTypes.func.isRequired
+};
+
+class AddMemberDialog extends React.Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      selectedOption: null,
+      errMessage: '',
+    };
+  }
+
+  handleSelectChange = (option) => {
+    this.setState({ selectedOption: option });
+  }
+
+  handleSubmit = () => {
+    if (!this.state.selectedOption) return;
+    const emails = this.state.selectedOption.map(item => item.email);
+    this.refs.orgSelect.clearSelect();
+    this.setState({ errMessage: [] });
+    seafileAPI.sysAdminAddGroupMember(this.props.groupID, emails).then((res) => {
+      this.setState({ selectedOption: null });
+      if (res.data.failed.length > 0) {
+        this.setState({ errMessage: res.data.failed[0].error_msg });
+      }
+      if (res.data.success.length > 0) {
+        this.props.onMemberChanged();
+        this.props.toggle();
+      }
+    }).catch(error => {
+      let errMessage = Utils.getErrorMsg(error);
+      toaster.danger(errMessage);
+    });
+  }
+
+  render() {
+    return (
+      <Modal isOpen={true} toggle={this.props.toggle}>
+        <ModalHeader toggle={this.props.toggle}>{gettext('Add Member')}</ModalHeader>
+        <ModalBody>
+          <UserSelect
+            placeholder={gettext('Select users...')}
+            onSelectChange={this.handleSelectChange}
+            ref="orgSelect"
+            isMulti={true}
+            className='org-add-member-select'
+          />
+          { this.state.errMessage && <p className="error">{this.state.errMessage}</p> }
+        </ModalBody>
+        <ModalFooter>
+          <Button color="primary" onClick={this.handleSubmit}>{gettext('Submit')}</Button>
+          <Button color="secondary" onClick={this.props.toggle}>{gettext('Cancel')}</Button>
+        </ModalFooter>
+      </Modal>
+    );
+  }
+}
+
+AddMemberDialog.propTypes = propTypes;
+
+export default AddMemberDialog;
diff --git a/frontend/src/components/dialog/sysadmin-dialog/sysadmin-add-repo-dialog.js b/frontend/src/components/dialog/sysadmin-dialog/sysadmin-add-repo-dialog.js
new file mode 100644
index 0000000000..3cefd3018f
--- /dev/null
+++ b/frontend/src/components/dialog/sysadmin-dialog/sysadmin-add-repo-dialog.js
@@ -0,0 +1,96 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { Button, Modal, ModalHeader, ModalBody, ModalFooter, Input, Form, FormGroup, Label } from 'reactstrap';
+import { gettext } from '../../../utils/constants';
+import { seafileAPI } from '../../../utils/seafile-api';
+import { Utils } from '../../../utils/utils';
+
+const propTypes = {
+  toggle: PropTypes.func.isRequired,
+  groupID: PropTypes.string.isRequired,
+  onRepoChanged: PropTypes.func.isRequired,
+};
+
+class AddRepoDialog extends React.Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      repoName: '',
+      errMessage: '',
+    };
+    this.newInput = React.createRef();
+  }
+
+  componentDidMount() {
+    this.newInput.focus();
+    this.newInput.setSelectionRange(0, 0);
+  }
+
+  handleSubmit = () => {
+    let isValid = this.validateName();
+    if (isValid) {
+      seafileAPI.sysAdminAddRepoInDepartment(this.props.groupID, this.state.repoName.trim()).then((res) => {
+        this.props.toggle();
+        this.props.onRepoChanged();
+      }).catch(error => {
+        let errorMsg = Utils.getErrorMsg(error);
+        this.setState({ errMessage: errorMsg });
+      });
+    }
+  }
+
+  validateName = () => {
+    let errMessage = '';
+    const name = this.state.repoName.trim();
+    if (!name.length) {
+      errMessage = gettext('Name is required');
+      this.setState({ errMessage: errMessage });
+      return false;
+    }
+    return true;
+  }
+
+  handleChange = (e) => {
+    this.setState({
+      repoName: e.target.value,
+    });
+  }
+
+  handleKeyPress = (e) => {
+    if (e.key === 'Enter') {
+      this.handleSubmit();
+      e.preventDefault();
+    }
+  }
+
+  render() {
+    return (
+      <Modal isOpen={true} toggle={this.props.toggle}>
+        <ModalHeader toggle={this.props.toggle}>{gettext('New Library')}</ModalHeader>
+        <ModalBody>
+          <Form>
+            <FormGroup>
+              <Label for="repoName">{gettext('Name')}</Label>
+              <Input 
+                id="repoName" 
+                onKeyPress={this.handleKeyPress} 
+                value={this.state.repoName} 
+                onChange={this.handleChange}
+                innerRef={input => {this.newInput = input;}}
+              />
+            </FormGroup>
+          </Form>
+          { this.state.errMessage && <p className="error">{this.state.errMessage}</p> }
+        </ModalBody>
+        <ModalFooter>
+          <Button color="primary" onClick={this.handleSubmit}>{gettext('Submit')}</Button>
+        </ModalFooter>
+      </Modal>
+    );
+  }
+}
+
+AddRepoDialog.propTypes = propTypes;
+
+export default AddRepoDialog;
diff --git a/frontend/src/components/dialog/sysadmin-dialog/sysadmin-delete-department-dialog.js b/frontend/src/components/dialog/sysadmin-dialog/sysadmin-delete-department-dialog.js
new file mode 100644
index 0000000000..6a0302efd2
--- /dev/null
+++ b/frontend/src/components/dialog/sysadmin-dialog/sysadmin-delete-department-dialog.js
@@ -0,0 +1,56 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { Button, Modal, ModalHeader, ModalBody, ModalFooter } from 'reactstrap';
+import { gettext } from '../../../utils/constants';
+import { seafileAPI } from '../../../utils/seafile-api';
+import { Utils } from '../../../utils/utils';
+
+const propTypes = {
+  groupName: PropTypes.string,
+  groupID: PropTypes.number.isRequired,
+  toggle: PropTypes.func.isRequired,
+  onDepartChanged: PropTypes.func.isRequired
+};
+
+class DeleteDepartDialog extends React.Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      errMessage: null
+    };
+  }
+
+  deleteDepart = () => {
+    seafileAPI.sysAdminDeleteDepartment(this.props.groupID).then((res) => {
+      if (res.data.success) {
+        this.props.onDepartChanged();
+        this.props.toggle();
+      }
+    }).catch(err => {
+      this.setState({ errMessage: 'There are sub-departments in this department.' });
+    });
+  }
+
+  render() {
+    let tipMessage = gettext('Are you sure you want to delete {placeholder} ?');
+    tipMessage = tipMessage.replace('{placeholder}', '<span class="op-target">' + Utils.HTMLescape(this.props.groupName) + '</span>');
+    return (
+      <Modal isOpen={true} toggle={this.props.toggle}>
+        <ModalHeader toggle={this.props.toggle}>{gettext('Delete Department')}</ModalHeader>
+        <ModalBody>
+          <div dangerouslySetInnerHTML={{__html: tipMessage}}></div>
+          { this.state.errMessage && <p className="error">{this.state.errMessage}</p> }
+        </ModalBody>
+        <ModalFooter>
+          {!this.state.errMessage && <Button color="primary" onClick={this.deleteDepart}>{gettext('Delete')}</Button>}
+          <Button color="secondary" onClick={this.props.toggle}>{gettext('Cancel')}</Button>
+        </ModalFooter>
+      </Modal>
+    );
+  }
+}
+
+DeleteDepartDialog.propTypes = propTypes;
+
+export default DeleteDepartDialog;
diff --git a/frontend/src/components/dialog/sysadmin-dialog/sysadmin-delete-member-dialog.js b/frontend/src/components/dialog/sysadmin-dialog/sysadmin-delete-member-dialog.js
new file mode 100644
index 0000000000..e7ff3afe05
--- /dev/null
+++ b/frontend/src/components/dialog/sysadmin-dialog/sysadmin-delete-member-dialog.js
@@ -0,0 +1,55 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { Button, Modal, ModalHeader, ModalBody, ModalFooter } from 'reactstrap';
+import { gettext } from '../../../utils/constants';
+import { seafileAPI } from '../../../utils/seafile-api';
+import { Utils } from '../../../utils/utils';
+import toaster from '../../toast';
+
+const propTypes = {
+  member: PropTypes.object.isRequired,
+  groupID: PropTypes.string.isRequired,
+  toggle: PropTypes.func.isRequired,
+  onMemberChanged: PropTypes.func.isRequired
+};
+
+class DeleteMemberDialog extends React.Component {
+
+  constructor(props) {
+    super(props);
+  }
+
+  deleteMember = () => {
+    const userEmail = this.props.member.email;
+    seafileAPI.sysAdminDeleteGroupMember(this.props.groupID, userEmail).then((res) => {
+      if (res.data.success) {
+        this.props.onMemberChanged();
+        this.props.toggle();
+      }
+    }).catch(error => {
+      let errMessage = Utils.getErrorMsg(error);
+      toaster.danger(errMessage);
+    });
+  }
+
+  render() {
+    let tipMessage = gettext('Are you sure you want to delete {placeholder} ?');
+    tipMessage = tipMessage.replace('{placeholder}', '<span class="op-target">' + Utils.HTMLescape(this.props.member.name) + '</span>');
+    return (
+      <Modal isOpen={true} toggle={this.props.toggle}>
+        <ModalHeader toggle={this.props.toggle}>{gettext('Delete Member')}</ModalHeader>
+        <ModalBody>
+          <div dangerouslySetInnerHTML={{__html: tipMessage}}></div>
+        </ModalBody>
+        <ModalFooter>
+          <Button color="primary" onClick={this.deleteMember}>{gettext('Delete')}</Button>
+          <Button color="secondary" onClick={this.props.toggle}>{gettext('Cancel')}</Button>
+        </ModalFooter>
+      </Modal>
+    );
+  }
+}
+
+DeleteMemberDialog.propTypes = propTypes;
+
+export default DeleteMemberDialog;
diff --git a/frontend/src/components/dialog/sysadmin-dialog/sysadmin-delete-repo-dialog.js b/frontend/src/components/dialog/sysadmin-dialog/sysadmin-delete-repo-dialog.js
new file mode 100644
index 0000000000..cc76b24e66
--- /dev/null
+++ b/frontend/src/components/dialog/sysadmin-dialog/sysadmin-delete-repo-dialog.js
@@ -0,0 +1,54 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { Button, Modal, ModalHeader, ModalBody, ModalFooter } from 'reactstrap';
+import { gettext } from '../../../utils/constants';
+import { seafileAPI } from '../../../utils/seafile-api';
+import { Utils } from '../../../utils/utils';
+import toaster from '../../toast';
+
+class DeleteRepoDialog extends React.Component {
+
+  constructor(props) {
+    super(props);
+  }
+
+  deleteRepo = () => {
+    seafileAPI.sysAdminDeleteRepoInDepartment(this.props.groupID, this.props.repo.repo_id).then((res) => {
+      if (res.data.success) {
+        this.props.onRepoChanged();
+        this.props.toggle();
+      }
+    }).catch(error => {
+      let errMessage = Utils.getErrorMsg(error);
+      toaster.danger(errMessage);
+    });
+  }
+
+  render() {
+    let tipMessage = gettext('Are you sure you want to delete {placeholder} ?');
+    tipMessage = tipMessage.replace('{placeholder}', '<span class="op-target">' + Utils.HTMLescape(this.props.repo.name) + '</span>');
+    return (
+      <Modal isOpen={true} toggle={this.props.toggle}>
+        <ModalHeader toggle={this.props.toggle}>{gettext('Delete Library')}</ModalHeader>
+        <ModalBody>
+          <div dangerouslySetInnerHTML={{__html: tipMessage}}></div>
+        </ModalBody>
+        <ModalFooter>
+          <Button color="primary" onClick={this.deleteRepo}>{gettext('Delete')}</Button>
+          <Button color="secondary" onClick={this.props.toggle}>{gettext('Cancel')}</Button>
+        </ModalFooter>
+      </Modal>
+    );
+  }
+}
+
+const propTypes = {
+  repo: PropTypes.object.isRequired,
+  toggle: PropTypes.func.isRequired,
+  groupID: PropTypes.string.isRequired,
+  onRepoChanged: PropTypes.func.isRequired
+};
+
+DeleteRepoDialog.propTypes = propTypes;
+
+export default DeleteRepoDialog;
diff --git a/frontend/src/components/dialog/sysadmin-dialog/sysadmin-set-group-quota-dialog.js b/frontend/src/components/dialog/sysadmin-dialog/sysadmin-set-group-quota-dialog.js
new file mode 100644
index 0000000000..b5bdb4e755
--- /dev/null
+++ b/frontend/src/components/dialog/sysadmin-dialog/sysadmin-set-group-quota-dialog.js
@@ -0,0 +1,92 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { Button, Modal, ModalHeader, ModalBody, ModalFooter, Input, InputGroupAddon, InputGroup } from 'reactstrap';
+import { gettext } from '../../../utils/constants';
+import { seafileAPI } from '../../../utils/seafile-api';
+import { Utils } from '../../../utils/utils';
+import toaster from '../../toast';
+
+const propTypes = {
+  toggle: PropTypes.func.isRequired,
+  groupID: PropTypes.number.isRequired,
+  onDepartChanged: PropTypes.func.isRequired,
+};
+
+class SetGroupQuotaDialog extends React.Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      quota: '',
+      errMessage: '',
+    };
+    this.newInput = React.createRef();
+  }
+
+  componentDidMount() {
+    this.newInput.focus();
+    this.newInput.setSelectionRange(0, 0);
+  }
+
+  setGroupQuota = () => {
+    const numberReg = /^[1-9]\d*$/im;
+    let quota = this.state.quota;
+    if ((quota.length && numberReg.test(quota)) || quota == -2) {
+      this.setState({ errMessage: '' });
+      let newQuota = this.state.quota == -2 ? this.state.quota : this.state.quota * 1000000;
+      seafileAPI.sysAdminUpdateDepartmentQuota(this.props.groupID, newQuota).then((res) => {
+        this.props.toggle();
+        this.props.onDepartChanged();
+      }).catch(error => {
+        let errMessage = Utils.getErrorMsg(error);
+        toaster.danger(errMessage);
+      });
+    } else {
+      const err = gettext('Quota is invalid.');
+      this.setState({ errMessage: err });
+    } 
+  }
+
+  handleChange = (e) => {
+    const quota = e.target.value.trim();
+    this.setState({ quota: quota });
+  }
+
+  handleKeyPress = (e) => {
+    if (e.key === 'Enter') {
+      this.setGroupQuota();
+      e.preventDefault();
+    }
+  }
+
+  render() {
+    return (
+      <Modal isOpen={true} toggle={this.props.toggle}>
+        <ModalHeader toggle={this.props.toggle}>{gettext('Set Quota')}</ModalHeader>
+        <ModalBody>
+          <InputGroup>
+            <Input
+              onKeyPress={this.handleKeyPress} 
+              value={this.state.quota} 
+              onChange={this.handleChange}
+              innerRef={input => {this.newInput = input;}}
+            />
+            <InputGroupAddon addonType="append">{'MB'}</InputGroupAddon>
+          </InputGroup>
+          <p className="tip">
+            <br/><span>{gettext('An integer that is greater than 0 or equal to -2.')}</span><br/>
+            <span>{gettext('Tip: -2 means no limit.')}</span>
+          </p>
+          { this.state.errMessage && <p className="error">{this.state.errMessage}</p> }
+        </ModalBody>
+        <ModalFooter>
+          <Button color="primary" onClick={this.setGroupQuota}>{gettext('Submit')}</Button>
+        </ModalFooter>
+      </Modal>
+    );
+  }
+}
+
+SetGroupQuotaDialog.propTypes = propTypes;
+
+export default SetGroupQuotaDialog;
diff --git a/frontend/src/pages/sys-admin/departments/department-detail.js b/frontend/src/pages/sys-admin/departments/department-detail.js
new file mode 100644
index 0000000000..d0062f3579
--- /dev/null
+++ b/frontend/src/pages/sys-admin/departments/department-detail.js
@@ -0,0 +1,372 @@
+import React, { Fragment } from 'react';
+import PropTypes from 'prop-types';
+import moment from 'moment';
+import { Link } from '@reach/router';
+import { seafileAPI } from '../../../utils/seafile-api';
+import { Utils } from '../../../utils/utils.js';
+import toaster from '../../../components/toast';
+import MainPanelTopbar from '../main-panel-topbar';
+import ModalPortal from '../../../components/modal-portal';
+import AddDepartDialog from '../../../components/dialog/sysadmin-dialog/sysadmin-add-department-dialog';
+import AddMemberDialog from '../../../components/dialog/sysadmin-dialog/sysadmin-add-member-dialog';
+import DeleteMemberDialog from '../../../components/dialog/sysadmin-dialog/sysadmin-delete-member-dialog';
+import AddRepoDialog from '../../../components/dialog/sysadmin-dialog/sysadmin-add-repo-dialog';
+import DeleteRepoDialog from '../../../components/dialog/sysadmin-dialog/sysadmin-delete-repo-dialog';
+import DeleteDepartDialog from '../../../components/dialog/sysadmin-dialog/sysadmin-delete-department-dialog';
+import SetGroupQuotaDialog from '../../../components/dialog/sysadmin-dialog/sysadmin-set-group-quota-dialog';
+import { siteRoot, gettext, lang } from '../../../utils/constants';
+import GroupItem from './group-item';
+import MemberItem from './member-item';
+import RepoItem from './repo-item';
+import '../../../css/org-department-item.css';
+
+moment.locale(lang);
+
+const DepartmentDetailPropTypes = {
+  groupID: PropTypes.string,
+};
+
+class DepartmentDetail extends React.Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      groupName: '',
+      isItemFreezed: false,
+      ancestorGroups: [],
+      members: [],
+      deletedMember: {},
+      isShowAddMemberDialog: false,
+      showDeleteMemberDialog: false,
+      repos: [],
+      deletedRepo: {},
+      isShowAddRepoDialog: false,
+      showDeleteRepoDialog: false,
+      groups: [],
+      subGroupID: '',
+      subGroupName: '',
+      isShowAddDepartDialog: false,
+      showDeleteDepartDialog: false,
+      showSetGroupQuotaDialog: false,
+    };
+  }
+
+  componentDidMount() {
+    const groupID = this.props.groupID;
+    this.listGroupRepo(groupID);
+    this.listMembers(groupID);
+  }
+
+  componentWillReceiveProps(nextProps) {
+    if (this.props.groupID !== nextProps.groupID) {
+      this.listGroupRepo(nextProps.groupID);
+      this.listMembers(nextProps.groupID);
+    }
+  }
+
+  listGroupRepo = (groupID) => {
+    seafileAPI.sysAdminListGroupRepos(groupID).then(res => {
+      this.setState({ repos: res.data.libraries });
+    }).catch(error => {
+      let errMessage = Utils.getErrorMsg(error);
+      toaster.danger(errMessage);
+    });
+  }
+
+  listMembers = (groupID) => {
+    seafileAPI.sysAdminGetDepartmentInfo(groupID, true).then(res => {
+      this.setState({
+        members: res.data.members,
+        groups: res.data.groups,
+        ancestorGroups: res.data.ancestor_groups,
+        groupName: res.data.name,
+      });
+    }).catch(error => {
+      let errMessage = Utils.getErrorMsg(error);
+      toaster.danger(errMessage);
+    });
+  }
+
+  listSubDepartGroups = (groupID) => {
+    seafileAPI.sysAdminGetDepartmentInfo(groupID, true).then(res => {
+      this.setState({ groups: res.data.groups });
+    }).catch(error => {
+      let errMessage = Utils.getErrorMsg(error);
+      toaster.danger(errMessage);
+    });
+  }
+
+  toggleCancel = () => {
+    this.setState({
+      showDeleteMemberDialog: false,
+      showDeleteRepoDialog: false,
+      showDeleteDepartDialog: false,
+      showSetGroupQuotaDialog: false,
+    });
+  }
+
+  onSubDepartChanged = () => {
+    this.listSubDepartGroups(this.props.groupID);
+  }
+
+  onRepoChanged = () => {
+    this.listGroupRepo(this.props.groupID);
+  }
+
+  onMemberChanged = () => {
+    this.listMembers(this.props.groupID);
+  }
+
+  toggleItemFreezed = (isFreezed) => {
+    this.setState({ isItemFreezed: isFreezed });
+  }
+
+  showDeleteMemberDialog = (member) => {
+    this.setState({ showDeleteMemberDialog: true, deletedMember: member });
+  }
+
+  showDeleteRepoDialog = (repo) => {
+    this.setState({ showDeleteRepoDialog: true, deletedRepo: repo });
+  }
+
+  toggleAddRepoDialog = () => {
+    this.setState({ isShowAddRepoDialog: !this.state.isShowAddRepoDialog });
+  }
+
+  toggleAddMemberDialog = () => {
+    this.setState({ isShowAddMemberDialog: !this.state.isShowAddMemberDialog });
+  }
+
+  toggleAddDepartDialog = () => {
+    this.setState({ isShowAddDepartDialog: !this.state.isShowAddDepartDialog});
+  }
+
+  showDeleteDepartDialog = (subGroup) => {
+    this.setState({ 
+      showDeleteDepartDialog: true,
+      subGroupID: subGroup.id,
+      subGroupName: subGroup.name
+    });
+  }
+
+  showSetGroupQuotaDialog = (subGroupID) => {
+    this.setState({
+      showSetGroupQuotaDialog: true,
+      subGroupID: subGroupID
+    });
+  }
+
+  render() {
+    const { members, repos, groups } = this.state;
+    const groupID = this.props.groupID;
+    const topBtn = 'btn btn-secondary operation-item';
+    const topbarChildren = (
+      <Fragment>
+        {groupID &&
+          <Fragment>
+            <button className={topBtn} title={gettext('New Sub-department')} onClick={this.toggleAddDepartDialog}>{gettext('New Sub-department')}</button>
+            <button className={topBtn} title={gettext('Add Member')} onClick={this.toggleAddMemberDialog}>{gettext('Add Member')}</button>
+            <button className={topBtn} onClick={this.toggleAddRepoDialog} title={gettext('New Library')}>{gettext('New Library')}</button>
+          </Fragment>
+        }
+        {this.state.isShowAddMemberDialog && (
+          <ModalPortal>
+            <AddMemberDialog
+              toggle={this.toggleAddMemberDialog}
+              onMemberChanged={this.onMemberChanged}
+              groupID={groupID}
+            />
+          </ModalPortal>
+        )}
+        {this.state.isShowAddRepoDialog && (
+          <ModalPortal>
+            <AddRepoDialog
+              toggle={this.toggleAddRepoDialog}
+              onRepoChanged={this.onRepoChanged}
+              groupID={groupID}
+            />
+          </ModalPortal>
+        )}
+        {this.state.isShowAddDepartDialog && (
+          <ModalPortal>
+            <AddDepartDialog
+              onDepartChanged={this.onSubDepartChanged}
+              parentGroupID={groupID}
+              toggle={this.toggleAddDepartDialog}
+            />
+          </ModalPortal>
+        )}
+      </Fragment>
+    );
+
+    return (
+      <Fragment>
+        <MainPanelTopbar children={topbarChildren} />
+        <div className="main-panel-center flex-row h-100">
+          <div className="cur-view-container o-auto">
+            <div className="cur-view-path">
+              <div className="fleft">
+                <h3 className="sf-heading">
+                  {groupID ? 
+                    <Link to={siteRoot + 'sys/departments/'}>{gettext('Departments')}</Link>
+                    : <span>{gettext('Departments')}</span>
+                  }
+                  {this.state.ancestorGroups.map(ancestor => {
+                    let newHref = siteRoot + 'sys/departments/' + ancestor.id + '/';
+                    return <span key={ancestor.id}>{' / '}<Link to={newHref}>{ancestor.name}</Link></span>;
+                  })}
+                  {groupID && <span>{' / '}{this.state.groupName}</span>}
+                </h3>
+              </div>
+            </div>
+
+            <div className="cur-view-subcontainer org-groups">
+              <div className="cur-view-path">
+                <div className="fleft"><h3 className="sf-heading">{gettext('Sub-departments')}</h3></div>
+              </div>
+              <div className="cur-view-content">
+                {groups && groups.length > 0 ?
+                  <table>
+                    <thead>
+                      <tr>
+                        <th width="40%">{gettext('Name')}</th>
+                        <th width="25%">{gettext('Created At')}</th>
+                        <th width="20%">{gettext('Quota')}</th>
+                        <th width="15%"></th>
+                      </tr>
+                    </thead>
+                    <tbody>
+                      {groups.map((group, index) => {
+                        return(
+                          <Fragment key={group.id}>
+                            <GroupItem
+                              group={group}
+                              showDeleteDepartDialog={this.showDeleteDepartDialog}
+                              showSetGroupQuotaDialog={this.showSetGroupQuotaDialog}
+                            />
+                          </Fragment>
+                        );
+                      })}
+                    </tbody>
+                  </table>
+                  : <p className="no-group">{gettext('No sub-departments')}</p>
+                }
+              </div>
+            </div>
+            
+            <div className="cur-view-subcontainer org-members">
+              <div className="cur-view-path">
+                <div className="fleft"><h3 className="sf-heading">{gettext('Members')}</h3></div>
+              </div>
+              <div className="cur-view-content">
+                {(members && members.length === 1 && members[0].role === 'Owner') ?
+                  <p className="no-member">{gettext('No members')}</p> :
+                  <table>
+                    <thead>
+                      <tr>
+                        <th width="5%"></th>
+                        <th width="50%">{gettext('Name')}</th>
+                        <th width="15%">{gettext('Role')}</th>
+                        <th width="30%"></th>
+                      </tr>
+                    </thead>
+                    <tbody>
+                      {members.map((member, index) => {
+                        return (
+                          <Fragment key={index}>
+                            <MemberItem
+                              member={member}
+                              showDeleteMemberDialog={this.showDeleteMemberDialog}
+                              isItemFreezed={this.state.isItemFreezed}
+                              onMemberChanged={this.onMemberChanged}
+                              toggleItemFreezed={this.toggleItemFreezed}
+                              groupID={groupID}
+                            />
+                          </Fragment>
+                        );
+                      })}
+                    </tbody>
+                  </table>
+                }
+              </div>
+            </div>
+
+            <div className="cur-view-subcontainer org-libriries">
+              <div className="cur-view-path">
+                <div className="fleft"><h3 className="sf-heading">{gettext('Libraries')}</h3></div>
+              </div>
+              { repos.length > 0 ?
+                <div className="cur-view-content">
+                  <table>
+                    <thead>
+                      <tr>
+                        <th width="5%"></th>
+                        <th width="50%">{gettext('Name')}</th>
+                        <th width="30%">{gettext('Size')}</th>
+                        <th width="15%"></th>
+                      </tr>
+                    </thead>
+                    <tbody>
+                      {repos.map((repo, index) => {
+                        return(
+                          <Fragment key={index}>
+                            <RepoItem repo={repo} showDeleteRepoDialog={this.showDeleteRepoDialog}/>
+                          </Fragment>
+                        );
+                      })}
+                    </tbody>
+                  </table>
+                </div>
+                : <p className="no-libraty">{gettext('No libraries')}</p>
+              }
+            </div>
+
+          </div>
+          {this.state.showDeleteMemberDialog && (
+            <ModalPortal>
+              <DeleteMemberDialog
+                toggle={this.toggleCancel}
+                onMemberChanged={this.onMemberChanged}
+                member={this.state.deletedMember}
+                groupID={groupID}
+              />
+            </ModalPortal>
+          )}
+          {this.state.showDeleteRepoDialog && (
+            <ModalPortal>
+              <DeleteRepoDialog
+                toggle={this.toggleCancel}
+                onRepoChanged={this.onRepoChanged}
+                repo={this.state.deletedRepo}
+                groupID={groupID}
+              />
+            </ModalPortal>
+          )}
+          {this.state.showDeleteDepartDialog && (
+            <ModalPortal>
+              <DeleteDepartDialog
+                toggle={this.toggleCancel}
+                groupID={this.state.subGroupID}
+                groupName={this.state.subGroupName}
+                onDepartChanged={this.onSubDepartChanged}
+              />
+            </ModalPortal>
+          )}
+          {this.state.showSetGroupQuotaDialog && (
+            <ModalPortal>
+              <SetGroupQuotaDialog
+                toggle={this.toggleCancel}
+                groupID={this.state.subGroupID}
+                onDepartChanged={this.onSubDepartChanged}
+              />
+            </ModalPortal>
+          )}
+        </div>
+      </Fragment>
+    );
+  }
+}
+
+DepartmentDetail.propTypes = DepartmentDetailPropTypes;
+
+export default DepartmentDetail;
\ No newline at end of file
diff --git a/frontend/src/pages/sys-admin/departments/departments-list.js b/frontend/src/pages/sys-admin/departments/departments-list.js
new file mode 100644
index 0000000000..221a8a544e
--- /dev/null
+++ b/frontend/src/pages/sys-admin/departments/departments-list.js
@@ -0,0 +1,145 @@
+import React, { Fragment } from 'react';
+import PropTypes from 'prop-types';
+import moment from 'moment';
+import { seafileAPI } from '../../../utils/seafile-api';
+import MainPanelTopbar from '../main-panel-topbar';
+import ModalPortal from '../../../components/modal-portal';
+import AddDepartDialog from '../../../components/dialog/sysadmin-dialog/sysadmin-add-department-dialog';
+import DeleteDepartDialog from '../../../components/dialog/sysadmin-dialog/sysadmin-delete-department-dialog';
+import SetGroupQuotaDialog from '../../../components/dialog/sysadmin-dialog/sysadmin-set-group-quota-dialog';
+import { gettext, lang } from '../../../utils/constants';
+import GroupItem from './group-item';
+import '../../../css/org-department-item.css';
+
+moment.locale(lang);
+
+class DepartmentsList extends React.Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      groups: null,
+      groupID: '',
+      groupName: '',
+      showDeleteDepartDialog: false,
+      showSetGroupQuotaDialog: false,
+      isShowAddDepartDialog: false,
+    };
+  }
+  
+  componentDidMount() {
+    this.listDepartGroups();
+  }
+
+  listDepartGroups = () => {
+    seafileAPI.sysAdminListAllDepartments().then(res => {
+      this.setState({ groups: res.data.data });
+    });
+  }
+
+  showDeleteDepartDialog = (group) => {
+    this.setState({ showDeleteDepartDialog: true, groupID: group.id, groupName: group.name });
+  }
+
+  showSetGroupQuotaDialog = (groupID) => {
+    this.setState({ showSetGroupQuotaDialog: true, groupID: groupID });
+  }
+
+  toggleAddDepartDialog = () => {
+    this.setState({ isShowAddDepartDialog: !this.state.isShowAddDepartDialog});
+  }
+
+  toggleCancel = () => {
+    this.setState({
+      showDeleteDepartDialog: false,
+      showSetGroupQuotaDialog: false,
+    });
+  }
+
+  onDepartChanged = () => {
+    this.listDepartGroups();
+  }
+
+  render() {
+    const groups = this.state.groups;
+    const topbarChildren = (
+      <Fragment>
+        <button className='btn btn-secondary operation-item' title={gettext('New Department')} onClick={this.toggleAddDepartDialog}>{gettext('New Department')}
+        </button>
+        {this.state.isShowAddDepartDialog && (
+          <ModalPortal>
+            <AddDepartDialog
+              onDepartChanged={this.onDepartChanged}
+              groupID={this.state.groupID}
+              toggle={this.toggleAddDepartDialog}
+            />
+          </ModalPortal>
+        )}
+      </Fragment>
+    );
+    return (
+      <Fragment>
+        <MainPanelTopbar children={topbarChildren}/>
+        <div className="main-panel-center flex-row h-100">
+          <div className="cur-view-container o-auto">
+            <div className="cur-view-path">
+              <div className="fleft">
+                <h3 className="sf-heading">{gettext('Departments')}</h3>
+              </div>
+            </div>
+            <div className="cur-view-content">
+              {groups && groups.length > 0 ?
+                <table>
+                  <thead>
+                    <tr>
+                      <th width="40%">{gettext('Name')}</th>
+                      <th width="25%">{gettext('Created At')}</th>
+                      <th width="20%">{gettext('Quota')}</th>
+                      <th width="15%"></th>
+                    </tr>
+                  </thead>
+                  <tbody>
+                    {groups.map((group, index) => {
+                      return(
+                        <Fragment key={group.id}>
+                          <GroupItem
+                            group={group}
+                            showDeleteDepartDialog={this.showDeleteDepartDialog}
+                            showSetGroupQuotaDialog={this.showSetGroupQuotaDialog}
+                          />
+                        </Fragment>
+                      );
+                    })}
+                  </tbody>
+                </table>
+                :
+                <p className="no-group">{gettext('No departments')}</p>
+              }
+            </div>
+            {this.state.showDeleteDepartDialog && (
+              <ModalPortal>
+                <DeleteDepartDialog
+                  toggle={this.toggleCancel}
+                  groupID={this.state.groupID}
+                  groupName={this.state.groupName}
+                  onDepartChanged={this.onDepartChanged}
+                />
+              </ModalPortal>
+            )}
+            {this.state.showSetGroupQuotaDialog && (
+              <ModalPortal>
+                <SetGroupQuotaDialog
+                  toggle={this.toggleCancel}
+                  groupID={this.state.groupID}
+                  onDepartChanged={this.onDepartChanged}
+                />
+              </ModalPortal>
+            )}
+          </div>
+        </div>
+      </Fragment>
+    );
+  }
+}
+
+export default DepartmentsList;
\ No newline at end of file
diff --git a/frontend/src/pages/sys-admin/departments/departments.js b/frontend/src/pages/sys-admin/departments/departments.js
new file mode 100644
index 0000000000..70d71aa16f
--- /dev/null
+++ b/frontend/src/pages/sys-admin/departments/departments.js
@@ -0,0 +1,19 @@
+import React from 'react';
+import '../../../css/org-department-item.css';
+
+class Departments extends React.Component {
+
+  constructor(props) {
+    super(props);
+  }
+
+  render() {
+    return (
+      <div className="h-100 org-departments">
+        {this.props.children}
+      </div>
+    );
+  }
+}
+
+export default Departments;
diff --git a/frontend/src/pages/sys-admin/departments/group-item.js b/frontend/src/pages/sys-admin/departments/group-item.js
new file mode 100644
index 0000000000..a127f1b198
--- /dev/null
+++ b/frontend/src/pages/sys-admin/departments/group-item.js
@@ -0,0 +1,53 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import moment from 'moment';
+import { Link } from '@reach/router';
+import { Utils } from '../../../utils/utils.js';
+import { siteRoot } from '../../../utils/constants';
+
+const GroupItemPropTypes = {
+  group: PropTypes.object.isRequired,
+  showSetGroupQuotaDialog: PropTypes.func.isRequired,
+  showDeleteDepartDialog: PropTypes.func.isRequired,
+};
+
+class GroupItem extends React.Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      highlight: false,
+    };
+  }
+
+  onMouseEnter = () => {
+    this.setState({ highlight: true });
+  }
+
+  onMouseLeave = () => {
+    this.setState({ highlight: false });
+  }
+
+  render() {
+    const group = this.props.group;
+    const highlight = this.state.highlight;
+    const newHref = siteRoot+ 'sys/departments/' + group.id + '/';
+    return (
+      <tr className={highlight ? 'tr-highlight' : ''} onMouseEnter={this.onMouseEnter} onMouseLeave={this.onMouseLeave}>
+        <td><Link to={newHref}>{group.name}</Link></td>
+        <td>{moment(group.created_at).fromNow()}</td>
+        <td onClick={this.props.showSetGroupQuotaDialog.bind(this, group.id)}>
+          {Utils.bytesToSize(group.quota)}{' '}
+          <span title="Edit Quota" className={`fa fa-pencil-alt attr-action-icon ${highlight ? '' : 'vh'}`}></span>
+        </td>
+        <td className="cursor-pointer text-center" onClick={this.props.showDeleteDepartDialog.bind(this, group)}>
+          <span className={`sf2-icon-delete action-icon  ${highlight ? '' : 'vh'}`} title="Delete"></span>
+        </td>
+      </tr>
+    );
+  }
+}
+
+GroupItem.propTypes = GroupItemPropTypes;
+
+export default GroupItem;
\ No newline at end of file
diff --git a/frontend/src/pages/sys-admin/departments/member-item.js b/frontend/src/pages/sys-admin/departments/member-item.js
new file mode 100644
index 0000000000..b9f3a04882
--- /dev/null
+++ b/frontend/src/pages/sys-admin/departments/member-item.js
@@ -0,0 +1,87 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { seafileAPI } from '../../../utils/seafile-api';
+import { Utils } from '../../../utils/utils.js';
+import toaster from '../../../components/toast';
+import RoleEditor from '../../../components/select-editor/role-editor';
+import { serviceURL } from '../../../utils/constants';
+
+const MemberItemPropTypes = {
+  groupID: PropTypes.string.isRequired,
+  member: PropTypes.object.isRequired,
+  isItemFreezed: PropTypes.bool.isRequired,
+  onMemberChanged: PropTypes.func.isRequired,
+  showDeleteMemberDialog: PropTypes.func.isRequired,
+  toggleItemFreezed: PropTypes.func.isRequired,
+};
+
+class MemberItem extends React.Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      highlight: false,
+      showRoleMenu: false,
+    };
+    this.roles = ['Admin', 'Member'];
+  }
+
+  onMouseEnter = () => {
+    if (this.props.isItemFreezed) return;
+    this.setState({ highlight: true });
+  }
+
+  onMouseLeave = () => {
+    if (this.props.isItemFreezed) return;
+    this.setState({ highlight: false });
+  }
+
+  toggleMemberRoleMenu = () => {
+    this.setState({ showRoleMenu: !this.state.showRoleMenu });
+  }
+
+  onChangeUserRole = (role) => {
+    let isAdmin = role === 'Admin' ? true : false;
+    seafileAPI.sysAdminUpdateGroupMemberRole(this.props.groupID, this.props.member.email, isAdmin).then((res) => {
+      this.props.onMemberChanged();
+    }).catch(error => {
+      let errMessage = Utils.getErrorMsg(error);
+      toaster.danger(errMessage);
+    });
+    this.setState({
+      highlight: false,
+    });
+  }
+
+  render() {
+    const member = this.props.member;
+    const highlight = this.state.highlight;
+    let memberLink = serviceURL + '/useradmin/info/' + member.email + '/';
+    if (member.role === 'Owner') return null;
+    return (
+      <tr className={highlight ? 'tr-highlight' : ''} onMouseEnter={this.onMouseEnter} onMouseLeave={this.onMouseLeave}>
+        <td><img src={member.avatar_url} alt="member-header" width="24" className="avatar"/></td>
+        <td><a href={memberLink}>{member.name}</a></td>
+        <td>
+          <RoleEditor
+            isTextMode={true}
+            isEditIconShow={highlight}
+            currentRole={member.role}
+            roles={this.roles}
+            onRoleChanged={this.onChangeUserRole}
+            toggleItemFreezed={this.props.toggleItemFreezed}
+          />
+        </td>
+        {!this.props.isItemFreezed ?
+          <td className="cursor-pointer text-center" onClick={this.props.showDeleteMemberDialog.bind(this, member)}>
+            <span className={`sf2-icon-x3 action-icon ${highlight ? '' : 'vh'}`} title="Delete"></span>
+          </td> : <td></td>
+        }
+      </tr>
+    );
+  }
+}
+
+MemberItem.propTypes = MemberItemPropTypes;
+
+export default MemberItem;
\ No newline at end of file
diff --git a/frontend/src/pages/sys-admin/departments/repo-item.js b/frontend/src/pages/sys-admin/departments/repo-item.js
new file mode 100644
index 0000000000..e3204c2e81
--- /dev/null
+++ b/frontend/src/pages/sys-admin/departments/repo-item.js
@@ -0,0 +1,47 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { Utils } from '../../../utils/utils.js';
+import { siteRoot, gettext } from '../../../utils/constants';
+
+const RepoItemPropTypes = {
+  repo: PropTypes.object.isRequired,
+  showDeleteRepoDialog: PropTypes.func.isRequired,
+};
+
+class RepoItem extends React.Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      highlight: false,
+    };
+  }
+
+  onMouseEnter = () => {
+    this.setState({ highlight: true });
+  }
+
+  onMouseLeave = () => {
+    this.setState({ highlight: false });
+  }
+
+  render() {
+    const repo = this.props.repo;
+    const highlight = this.state.highlight;
+    let iconUrl = Utils.getLibIconUrl(repo);
+    return (
+      <tr className={highlight ? 'tr-highlight' : ''} onMouseEnter={this.onMouseEnter} onMouseLeave={this.onMouseLeave}>
+        <td><img src={iconUrl} width="24" alt={gettext('icon')}/></td>
+        <td><a href={siteRoot + 'sys/libraries/' + repo.repo_id + '/' + repo.name + '/'}>{repo.name}</a></td>
+        <td>{Utils.bytesToSize(repo.size)}{' '}</td>
+        <td className="cursor-pointer text-center" onClick={this.props.showDeleteRepoDialog.bind(this, repo)}>
+          <span className={`sf2-icon-delete action-icon ${highlight ? '' : 'vh'}`} title="Delete"></span>
+        </td>
+      </tr>
+    );
+  }
+}
+
+RepoItem.propTypes = RepoItemPropTypes;
+
+export default RepoItem;
\ No newline at end of file
diff --git a/frontend/src/pages/sys-admin/index.js b/frontend/src/pages/sys-admin/index.js
index f0389721a4..e417af7556 100644
--- a/frontend/src/pages/sys-admin/index.js
+++ b/frontend/src/pages/sys-admin/index.js
@@ -20,6 +20,10 @@ import Groups from './groups/groups';
 import GroupRepos from './groups/group-repos';
 import GroupMembers from './groups/group-members';
 
+import Departments from './departments/departments';
+import DepartmentsList from './departments/departments-list';
+import DepartmentDetail from './departments/department-detail';
+
 import ShareLinks from './links/share-links';
 import UploadLinks from './links/upload-links';
 
@@ -115,6 +119,10 @@ class SysAdmin extends React.Component {
             <Groups path={siteRoot + 'sys/groups'} />
             <GroupRepos path={siteRoot + 'sys/groups/:groupID/libraries'} />
             <GroupMembers path={siteRoot + 'sys/groups/:groupID/members'} />
+            <Departments path={siteRoot + 'sys/departments'}>
+              <DepartmentsList path='/'/>
+              <DepartmentDetail path='/:groupID'/>
+            </Departments>
             <ShareLinks path={siteRoot + 'sys/share-links'} />
             <UploadLinks path={siteRoot + 'sys/upload-links'} />
             <FileScanRecords
diff --git a/frontend/src/pages/sys-admin/side-panel.js b/frontend/src/pages/sys-admin/side-panel.js
index 814950bd6f..503cb00a6b 100644
--- a/frontend/src/pages/sys-admin/side-panel.js
+++ b/frontend/src/pages/sys-admin/side-panel.js
@@ -109,10 +109,14 @@ class SidePanel extends React.Component {
                 }
                 {isPro && canManageGroup &&
                   <li className="nav-item">
-                    <a className='nav-link ellipsis' href={siteRoot + 'sysadmin/#address-book/'}>
-                      <span className="sf2-icon-organization" aria-hidden="true"></span>
+                    <Link 
+                      className={`nav-link ellipsis ${this.getActiveClass('departments')}`}
+                      to={siteRoot + 'sys/departments/'}
+                      onClick={() => this.props.tabItemClick('departments')}
+                    >
+                      <span className="sf2-icon-group" aria-hidden="true"></span>
                       <span className="nav-text">{gettext('Departments')}</span>
-                    </a>
+                    </Link>
                   </li>
                 }
                 {multiTenancy && isDefaultAdmin &&
diff --git a/seahub/urls.py b/seahub/urls.py
index 83f5b671ff..f316f62ca1 100644
--- a/seahub/urls.py
+++ b/seahub/urls.py
@@ -666,6 +666,8 @@ urlpatterns = [
     url(r'^sys/groups/$', sysadmin_react_fake_view, name="sys_groups"),
     url(r'^sys/groups/(?P<group_id>\d+)/libraries/$', sysadmin_react_fake_view, name="sys_group_libraries"),
     url(r'^sys/groups/(?P<group_id>\d+)/members/$', sysadmin_react_fake_view, name="sys_group_members"),
+    url(r'^sys/departments/$', sysadmin_react_fake_view, name="sys_departments"),
+    url(r'^sys/departments/(?P<group_id>\d+)/$', sysadmin_react_fake_view, name="sys_department"),
     url(r'^sys/users/$', sysadmin_react_fake_view, name="sys_users"),
     url(r'^sys/users-all/$', sysadmin_react_fake_view, name="sys_users_all"),
     url(r'^sys/users-admin/$', sysadmin_react_fake_view, name="sys_users_admin"),