diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index f9f20618be..ba09c63344 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -15924,9 +15924,9 @@
       }
     },
     "seafile-js": {
-      "version": "0.2.101",
-      "resolved": "https://registry.npmjs.org/seafile-js/-/seafile-js-0.2.101.tgz",
-      "integrity": "sha512-CqF+4FKnUhnUYKCjiVbp10GkI9Ej+d4UfaWRvdGNaR74tK+0D9dUq7RNXUGS/MpIAlif7hbz5k+LUFafkfGmNg==",
+      "version": "0.2.106",
+      "resolved": "https://registry.npmjs.org/seafile-js/-/seafile-js-0.2.106.tgz",
+      "integrity": "sha512-lT2gLD8hz75rlc7PW4kwW9SWe2JUywsDr5EDYYdQoPUz437i0YEq5wMIJq8jcOHaTSqgwbIfrWpVmOIs8Lkilg==",
       "requires": {
         "axios": "^0.18.0",
         "form-data": "^2.3.2",
diff --git a/frontend/package.json b/frontend/package.json
index 03eafb9173..ba51651d87 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -37,7 +37,7 @@
     "react-responsive": "^6.1.1",
     "react-select": "^2.4.1",
     "reactstrap": "^6.4.0",
-    "seafile-js": "^0.2.101",
+    "seafile-js": "^0.2.106",
     "socket.io-client": "^2.2.0",
     "sw-precache-webpack-plugin": "0.11.4",
     "unified": "^7.0.0",
diff --git a/frontend/src/components/dialog/generate-share-link.js b/frontend/src/components/dialog/generate-share-link.js
index c6929b5378..d03de0404b 100644
--- a/frontend/src/components/dialog/generate-share-link.js
+++ b/frontend/src/components/dialog/generate-share-link.js
@@ -41,6 +41,7 @@ class GenerateShareLink extends React.Component {
       'can_download': true
     };
     this.isExpireDaysNoLimit = (parseInt(shareLinkExpireDaysMin) === 0 && parseInt(shareLinkExpireDaysMax) === 0);
+    this.isOfficeFile = Utils.isOfficeFile(this.props.itemPath);
   }
 
   componentDidMount() {
@@ -57,12 +58,13 @@ class GenerateShareLink extends React.Component {
         this.setState({isLoading: false});
       }
     });
-
-    seafileAPI.getFileInfo(repoID, path).then((res) => {
-      if (res.data) {
-        this.setState({fileInfo: res.data});
-      }
-    });
+    if (this.isOfficeFile) {
+      seafileAPI.getFileInfo(repoID, path).then((res) => {
+        if (res.data) {
+          this.setState({fileInfo: res.data});
+        }
+      });
+    }
   }
 
   onPasswordInputChecked = () => {
@@ -402,7 +404,7 @@ class GenerateShareLink extends React.Component {
               <Input type="radio" name="radio1" onChange={() => this.setPermission('preview')} />{'  '}{gettext('Preview only')}
             </Label>
           </FormGroup>
-          {(Utils.isOfficeFile(this.props.itemPath) && fileInfo && fileInfo.can_edit) &&
+          {(this.isOfficeFile && fileInfo && fileInfo.can_edit) &&
             <FormGroup check className="permission">
               <Label className="form-check-label">
                 <Input type="radio" name="radio1" onChange={() => this.setPermission('editOnCloudAndDownload')} />{'  '}{gettext('Edit on cloud and download')}
diff --git a/frontend/src/components/dialog/generate-upload-link.js b/frontend/src/components/dialog/generate-upload-link.js
index 05a24e9294..1983fc2818 100644
--- a/frontend/src/components/dialog/generate-upload-link.js
+++ b/frontend/src/components/dialog/generate-upload-link.js
@@ -1,6 +1,7 @@
 import React from 'react';
 import PropTypes from 'prop-types';
 import copy from 'copy-to-clipboard';
+import moment from 'moment';
 import { Button, Form, FormGroup, Label, Input, InputGroup, InputGroupAddon, Alert } from 'reactstrap';
 import { gettext, shareLinkPasswordMinLength, canSendShareLinkEmail } from '../../utils/constants';
 import { seafileAPI } from '../../utils/seafile-api';
@@ -25,7 +26,9 @@ class GenerateUploadLink extends React.Component {
       password: '',
       passwdnew: '',
       sharedUploadInfo: null,
-      isSendLinkShown: false
+      isSendLinkShown: false,
+      isExpireChecked: false,
+      expireDays: 0,
     };
   }
 
@@ -90,29 +93,61 @@ class GenerateUploadLink extends React.Component {
   generateUploadLink = () => {
     let path = this.props.itemPath;
     let repoID = this.props.repoID; 
+    let { password, expireDays } = this.state;
 
-    if (this.state.showPasswordInput && (this.state.password == '')) {
-      this.setState({
-        errorInfo: gettext('Please enter password')
-      });
-    }
-    else if (this.state.showPasswordInput && (this.state.showPasswordInput && this.state.password.length < shareLinkPasswordMinLength)) {
-      this.setState({
-        errorInfo: gettext('Password is too short')
-      });
-    }
-    else if (this.state.showPasswordInput && (this.state.password !== this.state.passwordnew)) {
-      this.setState({
-        errorInfo: gettext('Passwords don\'t match')
-      });
-    } else {
-      seafileAPI.createUploadLink(repoID, path, this.state.password).then((res) => {
+    let isValid = this.validateParamsInput();
+    if (isValid) {
+      seafileAPI.createUploadLink(repoID, path, password, expireDays).then((res) => {
         let sharedUploadInfo = new SharedUploadInfo(res.data);
         this.setState({sharedUploadInfo: sharedUploadInfo}); 
       });
     }
   }
 
+  validateParamsInput = () => {
+    let { showPasswordInput , password, passwordnew, isExpireChecked, expireDays } = this.state;
+
+    // check password params
+    if (showPasswordInput) {
+      if (password.length === 0) {
+        this.setState({errorInfo: gettext('Please enter password')});
+        return false;
+      }
+      if (password.length < shareLinkPasswordMinLength) {
+        this.setState({errorInfo: gettext('Password is too short')});
+        return false;
+      }
+      if (password !== passwordnew) {
+        this.setState({errorInfo: gettext('Passwords don\'t match')});
+        return false;
+      }
+    }
+
+    // check expire day params
+    let reg = /^\d+$/;
+    if (isExpireChecked) {
+      if (!expireDays) {
+        this.setState({errorInfo: gettext('Please enter days')});
+        return false;
+      }
+      if (!reg.test(expireDays)) {
+        this.setState({errorInfo: gettext('Please enter a non-negative integer')});
+        return false;
+      }
+      this.setState({expireDays: parseInt(expireDays)});
+    }
+    return true;
+  }
+
+  onExpireChecked = (e) => {
+    this.setState({isExpireChecked: e.target.checked});
+  }
+
+  onExpireDaysChanged = (e) => {
+    let day = e.target.value.trim();
+    this.setState({expireDays: day});
+  }
+
   onCopyUploadLink = () => {
     let uploadLink = this.state.sharedUploadInfo.link;
     copy(uploadLink);
@@ -156,6 +191,12 @@ class GenerateUploadLink extends React.Component {
                 <span className="far fa-copy action-icon" onClick={this.onCopyUploadLink}></span>
               </dd>
             </FormGroup>
+            {sharedUploadInfo.expire_date && (
+              <FormGroup className="mb-0">
+                <dt className="text-secondary font-weight-normal">{gettext('Expiration Date:')}</dt>
+                <dd>{moment(sharedUploadInfo.expire_date).format('YYYY-MM-DD hh:mm:ss')}</dd>
+              </FormGroup>
+            )}
           </Form>
           {canSendShareLinkEmail && !isSendLinkShown && <Button onClick={this.toggleSendLink} className="mr-2">{gettext('Send')}</Button>}
           {!isSendLinkShown && <Button onClick={this.deleteUploadLink}>{gettext('Delete')}</Button>}
@@ -192,6 +233,18 @@ class GenerateUploadLink extends React.Component {
             <Input className="passwd" type={this.state.passwordVisible ? 'text' : 'password'} value={this.state.passwordnew || ''} onChange={this.inputPasswordNew} />
           </FormGroup>
         }
+        <FormGroup check>
+          <Label check>
+            <Input className="expire-checkbox" type="checkbox" onChange={this.onExpireChecked}/>{'  '}{gettext('Add auto expiration')}
+          </Label>
+        </FormGroup>
+        {this.state.isExpireChecked &&
+          <FormGroup check>
+            <Label check>
+              <Input className="expire-input expire-input-border" type="text" value={this.state.expireDays} onChange={this.onExpireDaysChanged} readOnly={!this.state.isExpireChecked}/><span className="expir-span">{gettext('days')}</span>
+            </Label>
+          </FormGroup>
+        }
         {this.state.errorInfo && <Alert color="danger" className="mt-2">{this.state.errorInfo}</Alert>}
         <Button className="generate-link-btn" onClick={this.generateUploadLink}>{gettext('Generate')}</Button>
       </Form>
diff --git a/frontend/src/components/dialog/leave-group-dialog.js b/frontend/src/components/dialog/leave-group-dialog.js
new file mode 100644
index 0000000000..c5caf9997f
--- /dev/null
+++ b/frontend/src/components/dialog/leave-group-dialog.js
@@ -0,0 +1,43 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { gettext, username } from '../../utils/constants';
+import { seafileAPI } from '../../utils/seafile-api';
+import { Modal, ModalHeader, ModalBody, ModalFooter, Button } from 'reactstrap';
+
+class LeaveGroupDialog extends React.Component {
+
+  constructor(props) {
+    super(props);
+  }
+
+  leaveGroup = () => {
+    seafileAPI.quitGroup(this.props.groupID, username).then((res)=> {
+      this.props.onGroupChanged();
+    });
+  }
+
+  render() {
+    return(
+      <Modal isOpen={true} toggle={this.props.toggleLeaveGroupDialog}>
+        <ModalHeader toggle={this.props.toggleLeaveGroupDialog}>{gettext('Leave Group')}</ModalHeader>
+        <ModalBody>
+          <p>{gettext('Really want to leave this group?')}</p>
+        </ModalBody>
+        <ModalFooter>
+          <Button color="secondary" onClick={this.props.toggleLeaveGroupDialog}>{gettext('Cancel')}</Button>
+          <Button color="primary" onClick={this.leaveGroup}>{gettext('Leave')}</Button>
+        </ModalFooter>
+      </Modal>
+    );
+  }
+}
+
+const LeaveGroupDialogPropTypes = {
+  toggleLeaveGroupDialog: PropTypes.func.isRequired,
+  groupID: PropTypes.string.isRequired,
+  onGroupChanged: PropTypes.func.isRequired,
+};
+
+LeaveGroupDialog.propTypes = LeaveGroupDialogPropTypes;
+
+export default LeaveGroupDialog;
diff --git a/frontend/src/components/file-uploader/file-uploader.js b/frontend/src/components/file-uploader/file-uploader.js
index da30a6ad22..ab6b980e47 100644
--- a/frontend/src/components/file-uploader/file-uploader.js
+++ b/frontend/src/components/file-uploader/file-uploader.js
@@ -128,43 +128,31 @@ class FileUploader extends React.Component {
     this.resumable.on('dragstart', this.onDragStart.bind(this));
   }
 
-  onChunkingComplete = (file) => {
-    if (file.relativePath !== file.fileName) {
-      return; // is upload a folder;
-    }
-    if (enableResumableFileUpload) {
-      let repoID = this.props.repoID;
-      seafileAPI.getFileUploadedBytes(repoID, this.props.path, file.fileName).then(res => {
-        let uploadedBytes = res.data.uploadedBytes;
-        let offset = Math.floor(uploadedBytes / (1024 * 1024));
-        file.markChunksCompleted(offset);
-      });
-    }
-  }
-
-  onFileAdded = (resumableFile, files) => {
-    //get parent_dir、relative_path；
+  onChunkingComplete = (resumableFile) => {
+    //get parent_dir relative_path
     let path = this.props.path === '/' ? '/' : this.props.path + '/';
     let fileName = resumableFile.fileName;
     let relativePath = resumableFile.relativePath;
     let isFile = fileName === relativePath;
 
-    //update formdata；
+    //update formdata
     resumableFile.formData = {};
-    if (isFile) {
+    if (isFile) { // upload file
       resumableFile.formData  = {
         parent_dir: path,
       };
-    } else {
+    } else { // upload folder
       let relative_path = relativePath.slice(0, relativePath.lastIndexOf('/') + 1);
       resumableFile.formData  = {
         parent_dir: path,
         relative_path: relative_path
       };
     }
+  }
 
-    //check repetition
-    //uploading is file and only upload one file
+  onFileAdded = (resumableFile, files) => {
+    let isFile = resumableFile.fileName === resumableFile.relativePath;
+    // uploading is file and only upload one file
     if (isFile && files.length === 1) {
       let hasRepetition = false;
       let direntList = this.props.direntList;
@@ -181,14 +169,28 @@ class FileUploader extends React.Component {
         });
       } else {
         this.setUploadFileList(this.resumable.files);
+        this.resumableUpload(resumableFile);
+      }
+    } else { 
+      this.setUploadFileList(this.resumable.files);
+      if (isFile) {
+        this.resumableUpload(resumableFile);
+      } else {
         this.resumable.upload();
       }
-    } else {
-      this.setUploadFileList(this.resumable.files);
-      this.resumable.upload();
     }
   }
 
+  resumableUpload = (resumableFile) => {
+    let { repoID, path } = this.props;
+    seafileAPI.getFileUploadedBytes(repoID, path, resumableFile.fileName).then(res => {
+      let uploadedBytes = res.data.uploadedBytes;
+      let offset = Math.floor(uploadedBytes / (1024 * 1024));
+      resumableFile.markChunksCompleted(offset);
+      this.resumable.upload();
+    });
+  }
+
   filesAddedComplete = (resumable, files) => {
     // single file uploading can check repetition, because custom dialog conn't prevent program execution;
   }
@@ -416,7 +418,7 @@ class FileUploader extends React.Component {
     this.uploadInput.current.removeAttribute('webkitdirectory');
     let repoID = this.props.repoID;
     seafileAPI.getUploadLink(repoID, this.props.path).then(res => {
-      this.resumable.opts.target = res.data;
+      this.resumable.opts.target = res.data + '?ret-json=1';
       if (Utils.isIEBrower()) {
         this.uploadInput.current.click();
       }
@@ -430,7 +432,7 @@ class FileUploader extends React.Component {
     this.uploadInput.current.setAttribute('webkitdirectory', 'webkitdirectory');
     let repoID = this.props.repoID;
     seafileAPI.getUploadLink(repoID, this.props.path).then(res => {
-      this.resumable.opts.target = res.data;
+      this.resumable.opts.target = res.data + '?ret-json=1';
       if (Utils.isIEBrower()) {
         this.uploadInput.current.click();
       }
@@ -444,7 +446,7 @@ class FileUploader extends React.Component {
     let repoID = this.props.repoID;
     this.uploadInput.current.setAttribute('webkitdirectory', 'webkitdirectory');
     seafileAPI.getUploadLink(repoID, this.props.path).then(res => {
-      this.resumable.opts.target = res.data;
+      this.resumable.opts.target = res.data + '?ret-json=1';
     });
   }
 
diff --git a/frontend/src/components/search/search.js b/frontend/src/components/search/search.js
index 6e9674b5c7..e6d273b3d6 100644
--- a/frontend/src/components/search/search.js
+++ b/frontend/src/components/search/search.js
@@ -1,12 +1,14 @@
 import React, { Component, Fragment } from 'react';
 import PropTypes from 'prop-types';
 import MediaQuery from 'react-responsive';
+import { seafileAPI } from '../../utils/seafile-api';
 import { gettext, siteRoot } from '../../utils/constants';
 import SearchResultItem from './search-result-item';
 import editorUtilities from '../../utils/editor-utilties';
 import More from '../more';
 
 const propTypes = {
+  isPublic: PropTypes.bool,
   repoID: PropTypes.string,
   placeholder: PropTypes.string,
   onSearchedClick: PropTypes.func.isRequired,
@@ -93,27 +95,53 @@ class Search extends Component {
 
   sendRequest(queryData, cancelToken) {
     var _this = this;
-    editorUtilities.searchFiles(queryData,cancelToken).then(res => {
-      if (!res.data.total) {
+    let isPublic = this.props.isPublic;
+
+    if (isPublic) {
+      seafileAPI.searchFilesInPublishedRepo(queryData.q, queryData.search_repo).then(res => {
+        if (!res.data.total) {
+          _this.setState({
+            resultItems: [],
+            isResultGetted: true
+          });
+          _this.source = null;
+          return;
+        }
+
+        let items = _this.formatResultItems(res.data.results);
         _this.setState({
-          resultItems: [],
+          resultItems: items,
           isResultGetted: true
         });
         _this.source = null;
-        return;
-      }
-
-      let items = _this.formatResultItems(res.data.results);
-      _this.setState({
-        resultItems: items,
-        isResultGetted: true
+      }).catch(res => {
+        /* eslint-disable */
+        console.log(res);
+        /* eslint-enable */
       });
-      _this.source = null;
-    }).catch(res => {
-      /* eslint-disable */
-      console.log(res);
-      /* eslint-enable */
-    });
+    } else {
+      editorUtilities.searchFiles(queryData,cancelToken).then(res => {
+        if (!res.data.total) {
+          _this.setState({
+            resultItems: [],
+            isResultGetted: true
+          });
+          _this.source = null;
+          return;
+        }
+  
+        let items = _this.formatResultItems(res.data.results);
+        _this.setState({
+          resultItems: items,
+          isResultGetted: true
+        });
+        _this.source = null;
+      }).catch(res => {
+        /* eslint-disable */
+        console.log(res);
+        /* eslint-enable */
+      });
+    }
   }
 
   cancelRequest() {
diff --git a/frontend/src/models/shared-upload-info.js b/frontend/src/models/shared-upload-info.js
index e9776e62e9..cd7f0f9b8c 100644
--- a/frontend/src/models/shared-upload-info.js
+++ b/frontend/src/models/shared-upload-info.js
@@ -10,6 +10,8 @@ class SharedUploadInfo {
     this.ctime = object.ctime;
     this.token = object.token;
     this.view_cnt = object.view_cnt;
+    this.expire_date = object.expire_date;
+    this.is_expired = object.is_expired;
   }
 
 }
diff --git a/frontend/src/pages/groups/group-view.js b/frontend/src/pages/groups/group-view.js
index b1ee881984..a72869ab34 100644
--- a/frontend/src/pages/groups/group-view.js
+++ b/frontend/src/pages/groups/group-view.js
@@ -20,6 +20,7 @@ import RenameGroupDialog from '../../components/dialog/rename-group-dialog';
 import TransferGroupDialog from '../../components/dialog/transfer-group-dialog';
 // import ImportMembersDialog from '../../components/dialog/import-members-dialog';
 import ManageMembersDialog from '../../components/dialog/manage-members-dialog';
+import LeaveGroupDialog from '../../components/dialog/leave-group-dialog';
 import SharedRepoListView from '../../components/shared-repo-list-view/shared-repo-list-view';
 import LibDetail from '../../components/dirent-detail/lib-details';
 
@@ -60,6 +61,7 @@ class GroupView extends React.Component {
       showManageMembersDialog: false,
       groupMembers: [],
       isShowDetails: false,
+      isLeaveGroupDialogOpen: false,
     };
   }
 
@@ -307,6 +309,13 @@ class GroupView extends React.Component {
     });
   }
 
+  toggleLeaveGroupDialog = () => {
+    this.setState({
+      isLeaveGroupDialogOpen: !this.state.isLeaveGroupDialogOpen,
+      showGroupDropdown: false,
+    });
+  }
+
   listGroupMembers = () => {
     seafileAPI.listGroupMembers(this.props.groupID).then((res) => {
       this.setState({
@@ -407,7 +416,7 @@ class GroupView extends React.Component {
                     )}
                   </div>
                   <div className="path-tool">
-                    { (isShowSettingIcon && this.state.isStaff) &&
+                    { isShowSettingIcon &&
                     <React.Fragment>
                       <a href="#" className="sf2-icon-cog1 action-icon group-top-action-icon" title="Settings" id="settings"
                         onClick={this.toggleGroupDropdown}></a>
@@ -419,6 +428,7 @@ class GroupView extends React.Component {
                             onClick={this.toggleGroupDropdown}></a>
                         </div>
                         <div className="sf-popover-con">
+                          {(this.state.isStaff || this.state.isOwner) &&
                           <ul className="sf-popover-list">
                             <li><a href="#" className="sf-popover-item" onClick={this.toggleRenameGroupDialog} >{gettext('Rename')}</a></li>
                             {
@@ -426,16 +436,25 @@ class GroupView extends React.Component {
                               <li><a href="#" className="sf-popover-item" onClick={this.toggleTransferGroupDialog} >{gettext('Transfer')}</a></li>
                             }
                           </ul>
+                          }
+                          {(this.state.isStaff || this.state.isOwner) &&
                           <ul className="sf-popover-list">
                             {/* <li><a href="#" className="sf-popover-item" onClick={this.toggleImportMembersDialog} >{gettext('Import Members')}</a></li> */}
                             <li><a href="#" className="sf-popover-item" onClick={this.toggleManageMembersDialog} >{gettext('Manage Members')}</a></li>
                           </ul>
+                          }
                           {
                             this.state.isOwner &&
                             <ul className="sf-popover-list">
                               <li><a href="#" className="sf-popover-item" onClick={this.toggleDismissGroupDialog}>{gettext('Delete Group')}</a></li>
                             </ul>
                           }
+                          {/* gourp owner only can dissmiss group, admin could not quit, department member could not quit */}
+                          {(!this.state.isOwner && !this.state.isStaff && !isDepartmentGroup) &&
+                          <ul className="sf-popover-list">
+                            <li><a href="#" className="sf-popover-item" onClick={this.toggleLeaveGroupDialog}>{gettext('Leave Group')}</a></li>
+                          </ul>
+                          }
                         </div>
                       </Popover>
                     </React.Fragment>
@@ -557,6 +576,13 @@ class GroupView extends React.Component {
             isOwner={this.state.isOwner}
           />
         }
+        {this.state.isLeaveGroupDialogOpen &&
+          <LeaveGroupDialog
+            toggleLeaveGroupDialog={this.toggleLeaveGroupDialog}
+            groupID={this.props.groupID}
+            onGroupChanged={this.props.onGroupChanged}
+          />
+        }
       </Fragment>
     );
   }
diff --git a/frontend/src/pages/share-admin/upload-links.js b/frontend/src/pages/share-admin/upload-links.js
index 97d3efb2ae..130d26b7e3 100644
--- a/frontend/src/pages/share-admin/upload-links.js
+++ b/frontend/src/pages/share-admin/upload-links.js
@@ -1,5 +1,6 @@
-import React, { Component } from 'react';
+import React, { Component, Fragment } from 'react';
 import { Link } from '@reach/router';
+import moment from 'moment';
 import { Modal, ModalHeader, ModalBody } from 'reactstrap';
 import { gettext, siteRoot, loginUrl, canGenerateShareLink } from '../../utils/constants';
 import { seafileAPI } from '../../utils/seafile-api';
@@ -52,9 +53,10 @@ class Content extends Component {
             <thead>
               <tr>
                 <th width="4%">{/*icon*/}</th>
-                <th width="42%">{gettext('Name')}</th>
-                <th width="30%">{gettext('Library')}</th>
-                <th width="14%">{gettext('Visits')}</th>
+                <th width="30%">{gettext('Name')}</th>
+                <th width="24%">{gettext('Library')}</th>
+                <th width="16%">{gettext('Visits')}</th>
+                <th width="16%">{gettext('Expiration')}</th>
                 <th width="10%">{/*Operations*/}</th>
               </tr>
             </thead>
@@ -114,6 +116,24 @@ class Item extends Component {
     return { iconUrl, uploadUrl };
   }
 
+  renderExpriedData = () => {
+    let item = this.props.item;
+    if (!item.expire_date) {
+      return (
+        <Fragment>--</Fragment>
+      );
+    }
+    let expire_date = moment(item.expire_date).format('YYYY-MM-DD');
+    return (
+      <Fragment>
+        {item.is_expired ?
+          <span className="error">{expire_date}</span> :
+          expire_date
+        }
+      </Fragment>
+    );
+  }
+
   render() {
     let item = this.props.item;
     let { iconUrl, uploadUrl } = this.getUploadParams();
@@ -128,6 +148,7 @@ class Item extends Component {
         <td><Link to={uploadUrl}>{item.obj_name}</Link></td>
         <td><Link to={`${siteRoot}library/${item.repo_id}/${item.repo_name}`}>{item.repo_name}</Link></td>
         <td>{item.view_cnt}</td>
+        <td>{this.renderExpriedData()}</td>
         <td>
           <a href="#" className={linkIconClassName} title={gettext('View')} onClick={this.viewLink}></a>
           <a href="#" className={deleteIconClassName} title={gettext('Remove')} onClick={this.removeLink}></a>
diff --git a/frontend/src/pages/sys-admin/side-panel.js b/frontend/src/pages/sys-admin/side-panel.js
index 449e5f6488..8dbb63328d 100644
--- a/frontend/src/pages/sys-admin/side-panel.js
+++ b/frontend/src/pages/sys-admin/side-panel.js
@@ -5,7 +5,7 @@ import Logo from '../../components/logo';
 import { gettext, siteRoot, isPro, isDefaultAdmin, canViewSystemInfo, canViewStatistic,
   canConfigSystem, canManageLibrary, canManageUser, canManageGroup, canViewUserLog,
   canViewAdminLog, constanceEnabled, multiTenancy, multiInstitution, sysadminExtraEnabled,
-  enableGuestInvitation, enableTermsAndConditions, enableFileScan, enableWorkWeixinDepartments } from '../../utils/constants';
+  enableGuestInvitation, enableTermsAndConditions, enableFileScan, enableWorkWeixin } from '../../utils/constants';
 
 const propTypes = {
   isSidePanelClosed: PropTypes.bool.isRequired,
@@ -174,7 +174,7 @@ class SidePanel extends React.Component {
                     </a>
                   </li>
                 }
-                {isDefaultAdmin && enableWorkWeixinDepartments &&
+                {isDefaultAdmin && enableWorkWeixin &&
                   <li className="nav-item">
                     <Link className={`nav-link ellipsis ${this.getActiveClass('departments')}`} to={siteRoot + 'sys/work-weixin/departments/'}>
                       <span className="sf3-font-enterprise-wechat sf3-font" aria-hidden="true"></span>
diff --git a/frontend/src/pages/wiki/main-panel.js b/frontend/src/pages/wiki/main-panel.js
index d53a83c9db..2e66391356 100644
--- a/frontend/src/pages/wiki/main-panel.js
+++ b/frontend/src/pages/wiki/main-panel.js
@@ -7,6 +7,7 @@ import WikiMarkdownViewer from '../../components/wiki-markdown-viewer';
 import WikiDirListView from '../../components/wiki-dir-list-view/wiki-dir-list-view';
 import Loading from '../../components/loading';
 import { Utils } from '../../utils/utils';
+import Search from '../../components/search/search';
 
 const propTypes = {
   path: PropTypes.string.isRequired,
@@ -77,6 +78,21 @@ class MainPanel extends Component {
     return (
       <div className="main-panel wiki-main-panel o-hidden">
         <div className="main-panel-north panel-top border-left-show">
+          {!username &&
+            <Fragment>
+              <div className="cur-view-toolbar">
+                <span className="sf2-icon-menu hidden-md-up d-md-none side-nav-toggle" title="Side Nav Menu" onClick={this.onMenuClick}></span>
+              </div>
+              <div className="common-toolbar">
+                <Search
+                  isPublic={true}
+                  repoID={repoID}
+                  onSearchedClick={this.props.onSearchedClick}
+                  placeholder={gettext('Search files in this library')}
+                />
+              </div>
+            </Fragment>
+          }
           {username && (
             <Fragment>
               <div className="cur-view-toolbar">
diff --git a/frontend/src/utils/constants.js b/frontend/src/utils/constants.js
index 6dfcf9fc76..9540149924 100644
--- a/frontend/src/utils/constants.js
+++ b/frontend/src/utils/constants.js
@@ -119,5 +119,5 @@ export const canManageUser = window.sysadmin ? window.sysadmin.pageOptions.admin
 export const canManageGroup = window.sysadmin ? window.sysadmin.pageOptions.admin_permissions.can_manage_group : '';
 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 enableWorkWeixinDepartments = window.sysadmin ? window.sysadmin.pageOptions.enable_work_weixin_departments : '';
+export const enableWorkWeixin = window.sysadmin ? window.sysadmin.pageOptions.enable_work_weixin : '';
 
diff --git a/frontend/src/utils/utils.js b/frontend/src/utils/utils.js
index 1fc09db32b..c672780604 100644
--- a/frontend/src/utils/utils.js
+++ b/frontend/src/utils/utils.js
@@ -240,7 +240,8 @@ export const Utils = {
 
   isSupportUploadFolder: function() {
     return navigator.userAgent.indexOf('Firefox')!=-1 ||
-      navigator.userAgent.indexOf('Chrome') > -1;
+      navigator.userAgent.indexOf('Chrome') > -1 || 
+      navigator.userAgent.indexOf("Safari") > -1;
   },
 
   isIEBrower: function() { // is ie <= ie11 not include Edge
diff --git a/seahub/api2/endpoints/public_repos_search.py b/seahub/api2/endpoints/public_repos_search.py
new file mode 100644
index 0000000000..bdb0d7d4de
--- /dev/null
+++ b/seahub/api2/endpoints/public_repos_search.py
@@ -0,0 +1,102 @@
+# -*- coding: utf-8 -*-
+import logging
+
+from rest_framework.views import APIView
+from rest_framework.authentication import SessionAuthentication
+from rest_framework.permissions import IsAuthenticatedOrReadOnly
+from rest_framework.response import Response
+from rest_framework import status
+from seaserv import seafile_api
+
+from seahub.api2.authentication import TokenAuthentication
+from seahub.api2.throttling import UserRateThrottle
+from seahub.api2.utils import api_error
+from seahub.utils.repo import is_valid_repo_id_format
+from seahub.utils import HAS_FILE_SEARCH
+from seahub.wiki.models import Wiki
+if HAS_FILE_SEARCH:
+    from seahub_extra.search.utils import search_files
+
+
+logger = logging.getLogger('seafes')
+
+
+class PublishedRepoSearchView(APIView):
+    """ Search public repos
+    """
+    authentication_classes = (TokenAuthentication, SessionAuthentication)
+    permission_classes = (IsAuthenticatedOrReadOnly,)
+    throttle_classes = (UserRateThrottle, )
+
+    def get(self, request):
+        # is search supported
+        if not HAS_FILE_SEARCH:
+            error_msg = 'Search not supported.'
+            return api_error(status.HTTP_404_NOT_FOUND, error_msg)
+
+        # argument check
+        keyword = request.GET.get('q', None)
+        if not keyword:
+            error_msg = 'q invalid.'
+            return api_error(status.HTTP_400_BAD_REQUEST, error_msg)
+
+        repo_id = request.GET.get('repo_id', None)
+        if not is_valid_repo_id_format(repo_id):
+            error_msg = 'repo_id invalid.'
+            return api_error(status.HTTP_400_BAD_REQUEST, error_msg)
+
+        # recourse check
+        repo = seafile_api.get_repo(repo_id)
+        if not repo:
+            error_msg = 'Library %s not found.' % repo_id
+            return api_error(status.HTTP_404_NOT_FOUND, error_msg)
+
+        # permission check
+        wiki = Wiki.objects.filter(repo_id=repo_id)[0]
+        if not wiki.has_read_perm(request):
+            error_msg = 'Permission denied.'
+            return api_error(status.HTTP_403_FORBIDDEN, error_msg)
+
+        try:
+            current_page = int(request.GET.get('page', '1'))
+            per_page = int(request.GET.get('per_page', '10'))
+            if per_page > 100:
+                per_page = 100
+        except ValueError:
+            current_page = 1
+            per_page = 10
+
+        start = (current_page - 1) * per_page
+        size = per_page
+        if start < 0 or size < 0:
+            error_msg = 'page or per_page invalid.'
+            return api_error(status.HTTP_400_BAD_REQUEST, error_msg)
+
+        repo_id_map = {}
+        map_id = repo.origin_repo_id if repo.origin_repo_id else repo_id
+        repo_id_map[map_id] = repo
+        # search file
+        try:
+            results, total = search_files(
+                repo_id_map, None, keyword, None, start, size, org_id=None
+            )
+        except Exception as e:
+            logger.error(e)
+            error_msg = 'Internal Server Error'
+            return api_error(status.HTTP_500_INTERNAL_SERVER_ERROR, error_msg)
+
+        for result in results:
+            result.pop('repo', None)
+            result.pop('exists', None)
+            result.pop('last_modified_by', None)
+            result.pop('name_highlight', None)
+            result.pop('score', None)
+            result['repo_type'] = 'public'
+
+        has_more = True if total > current_page * per_page else False
+
+        return Response({
+            "total": total,
+            "results": results,
+            "has_more": has_more
+        })
diff --git a/seahub/api2/endpoints/upload_links.py b/seahub/api2/endpoints/upload_links.py
index 03777cc832..290b0ebff7 100644
--- a/seahub/api2/endpoints/upload_links.py
+++ b/seahub/api2/endpoints/upload_links.py
@@ -2,6 +2,7 @@
 import os
 import logging
 from constance import config
+from dateutil.relativedelta import relativedelta
 
 from rest_framework.authentication import SessionAuthentication
 from rest_framework.permissions import IsAuthenticated
@@ -9,6 +10,7 @@ from rest_framework.response import Response
 from rest_framework.views import APIView
 from rest_framework import status
 
+from django.utils import timezone
 from django.utils.translation import ugettext as _
 
 from seaserv import seafile_api
@@ -48,6 +50,11 @@ def get_upload_link_info(uls):
     else:
         ctime = ''
 
+    if uls.expire_date:
+        expire_date = datetime_to_isoformat_timestr(uls.expire_date)
+    else:
+        expire_date = ''
+
     data['repo_id'] = repo_id
     data['repo_name'] = repo.repo_name if repo else ''
     data['path'] = path
@@ -57,6 +64,8 @@ def get_upload_link_info(uls):
     data['link'] = gen_shared_upload_link(token)
     data['token'] = token
     data['username'] = uls.username
+    data['expire_date'] = expire_date
+    data['is_expired'] = uls.is_expired()
 
     return data
 
@@ -143,6 +152,12 @@ class UploadLinks(APIView):
             error_msg = _('Password is too short')
             return api_error(status.HTTP_400_BAD_REQUEST, error_msg)
 
+        try:
+            expire_days = int(request.data.get('expire_days', 0))
+        except ValueError:
+            error_msg = 'expire_days invalid.'
+            return api_error(status.HTTP_400_BAD_REQUEST, error_msg)
+
         # resource check
         repo = seafile_api.get_repo(repo_id)
         if not repo:
@@ -164,11 +179,16 @@ class UploadLinks(APIView):
             error_msg = 'Permission denied.'
             return api_error(status.HTTP_403_FORBIDDEN, error_msg)
 
+        if expire_days <= 0:
+            expire_date = None
+        else:
+            expire_date = timezone.now() + relativedelta(days=expire_days)
+
         username = request.user.username
         uls = UploadLinkShare.objects.get_upload_link_by_path(username, repo_id, path)
         if not uls:
             uls = UploadLinkShare.objects.create_upload_link_share(username,
-                repo_id, path, password)
+                repo_id, path, password, expire_date)
 
         link_info = get_upload_link_info(uls)
         return Response(link_info)
diff --git a/seahub/auth/views.py b/seahub/auth/views.py
index 756c5aff6a..5b3efb70d3 100644
--- a/seahub/auth/views.py
+++ b/seahub/auth/views.py
@@ -186,7 +186,7 @@ def login(request, template_name='registration/login.html',
                  getattr(settings, 'ENABLE_OAUTH', False) or \
                  getattr(settings, 'ENABLE_CAS', False) or \
                  getattr(settings, 'ENABLE_REMOTE_USER_AUTHENTICATION', False) or \
-                 getattr(settings, 'ENABLE_WORK_WEIXIN_OAUTH', False)
+                 getattr(settings, 'ENABLE_WORK_WEIXIN', False)
 
     login_bg_image_path = get_login_bg_image_path()
 
diff --git a/seahub/base/context_processors.py b/seahub/base/context_processors.py
index d7c5a035ee..1c16b55ca9 100644
--- a/seahub/base/context_processors.py
+++ b/seahub/base/context_processors.py
@@ -50,7 +50,7 @@ try:
     from seahub.settings import ENABLE_FILE_SCAN
 except ImportError:
     ENABLE_FILE_SCAN = False
-from seahub.work_weixin.settings import ENABLE_WORK_WEIXIN_DEPARTMENTS
+from seahub.work_weixin.settings import ENABLE_WORK_WEIXIN
 
 
 def base(request):
@@ -134,7 +134,7 @@ def base(request):
         'enable_resumable_fileupload': dj_settings.ENABLE_RESUMABLE_FILEUPLOAD,
         'service_url': get_service_url().rstrip('/'),
         'enable_file_scan': ENABLE_FILE_SCAN,
-        'enable_work_weixin_departments': ENABLE_WORK_WEIXIN_DEPARTMENTS,
+        'enable_work_weixin': ENABLE_WORK_WEIXIN,
         'avatar_url': avatar_url if avatar_url else '',
     }
 
diff --git a/seahub/oauth/backends.py b/seahub/oauth/backends.py
index 6cad124101..4f826dc0d0 100644
--- a/seahub/oauth/backends.py
+++ b/seahub/oauth/backends.py
@@ -4,7 +4,7 @@ from seahub.auth.backends import RemoteUserBackend
 from seahub.base.accounts import User
 from registration.models import (notify_admins_on_activate_request,
                                  notify_admins_on_register_complete)
-from seahub.work_weixin.settings import ENABLE_WORK_WEIXIN_OAUTH
+from seahub.work_weixin.settings import ENABLE_WORK_WEIXIN
 
 class OauthRemoteUserBackend(RemoteUserBackend):
     """
@@ -23,7 +23,7 @@ class OauthRemoteUserBackend(RemoteUserBackend):
     # Create active user by default.
     activate_after_creation = getattr(settings, 'OAUTH_ACTIVATE_USER_AFTER_CREATION', True)
 
-    if ENABLE_WORK_WEIXIN_OAUTH:
+    if ENABLE_WORK_WEIXIN:
         create_unknown_user = getattr(settings, 'WORK_WEIXIN_OAUTH_CREATE_UNKNOWN_USER', True)
         activate_after_creation = getattr(settings, 'WORK_WEIXIN_OAUTH_ACTIVATE_USER_AFTER_CREATION', True)
 
diff --git a/seahub/settings.py b/seahub/settings.py
index fa17564503..1542d0b257 100644
--- a/seahub/settings.py
+++ b/seahub/settings.py
@@ -303,12 +303,8 @@ SOCIAL_AUTH_PIPELINE = (
 ENABLE_OAUTH = False
 ENABLE_WATERMARK = False
 
-# allow user scan the work weixin qrcode to login
-ENABLE_WORK_WEIXIN_OAUTH = False
-# allow seafile admin import user from work weixin
-ENABLE_WORK_WEIXIN_DEPARTMENTS = False
-# allow send unread msg to work weixin
-ENABLE_WORK_WEIXIN_NOTIFICATIONS = False
+# enable work weixin
+ENABLE_WORK_WEIXIN = False
 
 # allow user to clean library trash
 ENABLE_USER_CLEAN_TRASH = True
@@ -917,5 +913,5 @@ if ENABLE_REMOTE_USER_AUTHENTICATION:
     MIDDLEWARE_CLASSES += ('seahub.auth.middleware.SeafileRemoteUserMiddleware',)
     AUTHENTICATION_BACKENDS += ('seahub.auth.backends.SeafileRemoteUserBackend',)
 
-if ENABLE_OAUTH or ENABLE_WORK_WEIXIN_OAUTH:
+if ENABLE_OAUTH or ENABLE_WORK_WEIXIN:
     AUTHENTICATION_BACKENDS += ('seahub.oauth.backends.OauthRemoteUserBackend',)
diff --git a/seahub/share/models.py b/seahub/share/models.py
index 408ab90772..6291cc5683 100644
--- a/seahub/share/models.py
+++ b/seahub/share/models.py
@@ -451,6 +451,12 @@ class UploadLinkShare(models.Model):
     def is_owner(self, owner):
         return owner == self.username
 
+    def is_expired(self):
+        if self.expire_date is not None and timezone.now() > self.expire_date:
+            return True
+        else:
+            return False
+
 class PrivateFileDirShareManager(models.Manager):
     def add_private_file_share(self, from_user, to_user, repo_id, path, perm):
         """
diff --git a/seahub/templates/js/sysadmin-templates.html b/seahub/templates/js/sysadmin-templates.html
index 26eaaaaa54..a3c8739120 100644
--- a/seahub/templates/js/sysadmin-templates.html
+++ b/seahub/templates/js/sysadmin-templates.html
@@ -122,7 +122,7 @@
         </li>
         {% endif %}
 
-        {% if is_default_admin and enable_work_weixin_departments %}
+        {% if is_default_admin and enable_work_weixin %}
         <li class="tab">
             <a href="{{ SITE_ROOT }}sys/work-weixin/departments/"><span class="sf3-font-enterprise-wechat sf3-font"></span>企业微信集成</a>
         </li>
diff --git a/seahub/templates/sysadmin/base.html b/seahub/templates/sysadmin/base.html
index 6a1dc78941..688b59f599 100644
--- a/seahub/templates/sysadmin/base.html
+++ b/seahub/templates/sysadmin/base.html
@@ -133,7 +133,7 @@
             </li>
             {% endif %}
 
-            {% if is_default_admin and enable_work_weixin_departments %}
+            {% if is_default_admin and enable_work_weixin %}
             <li class="tab">
                 <a href="{{ SITE_ROOT }}sys/work-weixin/departments/"><span class="sf3-font-enterprise-wechat sf3-font"></span>企业微信集成</a>
             </li>
diff --git a/seahub/templates/sysadmin/sysadmin_backbone.html b/seahub/templates/sysadmin/sysadmin_backbone.html
index c584b86834..064bbf2acf 100644
--- a/seahub/templates/sysadmin/sysadmin_backbone.html
+++ b/seahub/templates/sysadmin/sysadmin_backbone.html
@@ -108,7 +108,7 @@ app["pageOptions"] = {
     cur_note: {% if request.cur_note %} {'id': '{{ request.cur_note.id }}'} {% else %} null {% endif %},
     is_default_admin: {% if is_default_admin %} true {% else %} false {% endif %},
     enable_file_scan: {% if enable_file_scan %} true {% else %} false {% endif %},
-    enable_work_weixin_departments: {% if enable_work_weixin_departments %} true {% else %} false {% endif %},
+    enable_work_weixin: {% if enable_work_weixin %} true {% else %} false {% endif %},
     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/templates/sysadmin/sysadmin_react_app.html b/seahub/templates/sysadmin/sysadmin_react_app.html
index 7b7ae200ca..bc1a5eb039 100644
--- a/seahub/templates/sysadmin/sysadmin_react_app.html
+++ b/seahub/templates/sysadmin/sysadmin_react_app.html
@@ -15,7 +15,7 @@
 			enable_terms_and_conditions: {% if enable_terms_and_conditions %} true {% else %} false {% endif %},
 			is_default_admin: {% if is_default_admin %} true {% else %} false {% endif %},
       enable_file_scan: {% if enable_file_scan %} true {% else %} false {% endif %},
-      enable_work_weixin_departments: {% if enable_work_weixin_departments %} true {% else %} false {% endif %},
+      enable_work_weixin: {% if enable_work_weixin %} true {% else %} false {% endif %},
 			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 1f48efa364..54d8a56253 100644
--- a/seahub/urls.py
+++ b/seahub/urls.py
@@ -89,10 +89,12 @@ from seahub.api2.endpoints.related_files import RelatedFilesView, RelatedFileVie
 from seahub.api2.endpoints.webdav_secret import WebdavSecretView
 from seahub.api2.endpoints.starred_items import StarredItems
 from seahub.api2.endpoints.markdown_lint import MarkdownLintView
+from seahub.api2.endpoints.public_repos_search import PublishedRepoSearchView
 from seahub.api2.endpoints.dtable import WorkspacesView, DTableView, DTablesView, \
      DTableUpdateLinkView, DTableAssetUploadLinkView, dtable_file_view, dtable_asset_access
 from seahub.api2.endpoints.dtable_share import SharedDTablesView, DTableShareView
 
+
 # Admin
 from seahub.api2.endpoints.admin.revision_tag import AdminTaggedItemsView
 from seahub.api2.endpoints.admin.login_logs import LoginLogs, AdminLoginLogs
@@ -366,6 +368,9 @@ urlpatterns = [
     # user: markdown-lint
     url(r'^api/v2.1/markdown-lint/$', MarkdownLintView.as_view(), name='api-v2.1-markdown-lint'),
 
+    # public repos search
+    url(r'^api/v2.1/published-repo-search/$', PublishedRepoSearchView.as_view(), name='api-v2.1-published-repo-search'),
+
     # user: workspaces
     url(r'^api/v2.1/workspaces/$', WorkspacesView.as_view(), name='api-v2.1-workspaces'),
     url(r'^api/v2.1/dtables/$', DTablesView.as_view(), name='api-v2.1-dtables'),
diff --git a/seahub/views/sso.py b/seahub/views/sso.py
index 22ee8471e9..28d63a3e92 100644
--- a/seahub/views/sso.py
+++ b/seahub/views/sso.py
@@ -35,7 +35,7 @@ def sso(request):
     if getattr(settings, 'ENABLE_CAS', False):
         return HttpResponseRedirect(reverse('cas_ng_login') + next_param)
 
-    if getattr(settings, 'ENABLE_WORK_WEIXIN_OAUTH', False):
+    if getattr(settings, 'ENABLE_WORK_WEIXIN', False):
         return HttpResponseRedirect(reverse('work_weixin_oauth_login') + next_param)
 
     return HttpResponseRedirect(next_page)
diff --git a/seahub/views/sysadmin.py b/seahub/views/sysadmin.py
index c7a07d8b33..19274811e8 100644
--- a/seahub/views/sysadmin.py
+++ b/seahub/views/sysadmin.py
@@ -98,7 +98,7 @@ try:
     from seahub.settings import ENABLE_FILE_SCAN
 except ImportError:
     ENABLE_FILE_SCAN = False
-from seahub.work_weixin.settings import ENABLE_WORK_WEIXIN_DEPARTMENTS
+from seahub.work_weixin.settings import ENABLE_WORK_WEIXIN
 
 
 logger = logging.getLogger(__name__)
@@ -133,7 +133,7 @@ def sysadmin(request):
             'enable_limit_ipaddress': ENABLE_LIMIT_IPADDRESS,
             'trash_repos_expire_days': expire_days if expire_days > 0 else 30,
             'enable_file_scan': ENABLE_FILE_SCAN,
-            'enable_work_weixin_departments': ENABLE_WORK_WEIXIN_DEPARTMENTS,
+            'enable_work_weixin': ENABLE_WORK_WEIXIN,
             })
 
 @login_required
@@ -148,7 +148,7 @@ def sysadmin_react_fake_view(request):
         'enable_guest_invitation': ENABLE_GUEST_INVITATION,
         'enable_terms_and_conditions': config.ENABLE_TERMS_AND_CONDITIONS,
         'enable_file_scan': ENABLE_FILE_SCAN,
-        'enable_work_weixin_departments': ENABLE_WORK_WEIXIN_DEPARTMENTS,
+        'enable_work_weixin': ENABLE_WORK_WEIXIN,
     })
 
 @login_required
diff --git a/seahub/work_weixin/settings.py b/seahub/work_weixin/settings.py
index f3623a8e3a..c3e36a1d01 100644
--- a/seahub/work_weixin/settings.py
+++ b/seahub/work_weixin/settings.py
@@ -3,13 +3,13 @@
 from django.conf import settings
 
 # # work weixin base
+ENABLE_WORK_WEIXIN = getattr(settings, 'ENABLE_WORK_WEIXIN', False)
 WORK_WEIXIN_CORP_ID = getattr(settings, 'WORK_WEIXIN_CORP_ID', '')
 WORK_WEIXIN_AGENT_SECRET = getattr(settings, 'WORK_WEIXIN_AGENT_SECRET', '')
 WORK_WEIXIN_ACCESS_TOKEN_URL = getattr(settings, 'WORK_WEIXIN_ACCESS_TOKEN_URL',
                                        'https://qyapi.weixin.qq.com/cgi-bin/gettoken')
 
 # # admin work weixin departments
-ENABLE_WORK_WEIXIN_DEPARTMENTS = getattr(settings, 'ENABLE_WORK_WEIXIN_DEPARTMENTS', False)
 WORK_WEIXIN_DEPARTMENTS_URL = getattr(settings, 'WORK_WEIXIN_DEPARTMENTS_URL',
                                       'https://qyapi.weixin.qq.com/cgi-bin/department/list')
 WORK_WEIXIN_DEPARTMENT_MEMBERS_URL = getattr(settings, 'WORK_WEIXIN_DEPARTMENT_MEMBERS_URL',
@@ -17,7 +17,6 @@ WORK_WEIXIN_DEPARTMENT_MEMBERS_URL = getattr(settings, 'WORK_WEIXIN_DEPARTMENT_M
 
 # # work weixin oauth
 WORK_WEIXIN_AGENT_ID = getattr(settings, 'WORK_WEIXIN_AGENT_ID', '')
-ENABLE_WORK_WEIXIN_OAUTH = getattr(settings, 'ENABLE_WORK_WEIXIN_OAUTH', False)
 WORK_WEIXIN_UID_PREFIX = WORK_WEIXIN_CORP_ID + '_'
 WORK_WEIXIN_USER_INFO_AUTO_UPDATE = getattr(settings, 'WORK_WEIXIN_USER_INFO_AUTO_UPDATE', True)
 WORK_WEIXIN_AUTHORIZATION_URL = getattr(settings, 'WORK_WEIXIN_AUTHORIZATION_URL',
@@ -28,7 +27,6 @@ WORK_WEIXIN_GET_USER_PROFILE_URL = getattr(settings, 'WORK_WEIXIN_GET_USER_PROFI
                                            'https://qyapi.weixin.qq.com/cgi-bin/user/get')
 
 # # work weixin notifications
-ENABLE_WORK_WEIXIN_NOTIFICATIONS = getattr(settings, 'ENABLE_WORK_WEIXIN_NOTIFICATIONS', False)
 WORK_WEIXIN_NOTIFICATIONS_URL = getattr(settings, 'WORK_WEIXIN_NOTIFICATIONS_URL',
                                         'https://qyapi.weixin.qq.com/cgi-bin/message/send')
 
diff --git a/seahub/work_weixin/utils.py b/seahub/work_weixin/utils.py
index feb27c9258..0904cdfb1c 100644
--- a/seahub/work_weixin/utils.py
+++ b/seahub/work_weixin/utils.py
@@ -8,11 +8,11 @@ import requests
 from django.core.cache import cache
 from seahub.utils import normalize_cache_key
 from seahub.work_weixin.settings import WORK_WEIXIN_CORP_ID, WORK_WEIXIN_AGENT_SECRET, \
-    WORK_WEIXIN_ACCESS_TOKEN_URL, ENABLE_WORK_WEIXIN_DEPARTMENTS, \
+    WORK_WEIXIN_ACCESS_TOKEN_URL, ENABLE_WORK_WEIXIN, \
     WORK_WEIXIN_DEPARTMENTS_URL, WORK_WEIXIN_DEPARTMENT_MEMBERS_URL, \
-    ENABLE_WORK_WEIXIN_OAUTH, WORK_WEIXIN_AGENT_ID, WORK_WEIXIN_AUTHORIZATION_URL, \
+    WORK_WEIXIN_AGENT_ID, WORK_WEIXIN_AUTHORIZATION_URL, \
     WORK_WEIXIN_GET_USER_INFO_URL, WORK_WEIXIN_GET_USER_PROFILE_URL, \
-    ENABLE_WORK_WEIXIN_NOTIFICATIONS, WORK_WEIXIN_NOTIFICATIONS_URL
+    WORK_WEIXIN_NOTIFICATIONS_URL
 from seahub.profile.models import Profile
 
 logger = logging.getLogger(__name__)
@@ -66,34 +66,35 @@ def handler_work_weixin_api_response(response):
 def work_weixin_base_check():
     """ work weixin base check
     """
+    if not ENABLE_WORK_WEIXIN:
+        return False
+
     if not WORK_WEIXIN_CORP_ID or not WORK_WEIXIN_AGENT_SECRET or not WORK_WEIXIN_ACCESS_TOKEN_URL:
         logger.error('work weixin base relevant settings invalid.')
         logger.error('WORK_WEIXIN_CORP_ID: %s' % WORK_WEIXIN_CORP_ID)
         logger.error('WORK_WEIXIN_AGENT_SECRET: %s' % WORK_WEIXIN_AGENT_SECRET)
         logger.error('WORK_WEIXIN_ACCESS_TOKEN_URL: %s' % WORK_WEIXIN_ACCESS_TOKEN_URL)
         return False
+
     return True
 
 
 def work_weixin_oauth_check():
     """ use for work weixin login and profile bind
     """
-    if not ENABLE_WORK_WEIXIN_OAUTH:
+    if not work_weixin_base_check():
         return False
-    else:
-        if not work_weixin_base_check():
-            return False
 
-        if not WORK_WEIXIN_AGENT_ID \
-                or not WORK_WEIXIN_GET_USER_INFO_URL \
-                or not WORK_WEIXIN_AUTHORIZATION_URL \
-                or not WORK_WEIXIN_GET_USER_PROFILE_URL:
-            logger.error('work weixin oauth relevant settings invalid.')
-            logger.error('WORK_WEIXIN_AGENT_ID: %s' % WORK_WEIXIN_AGENT_ID)
-            logger.error('WORK_WEIXIN_GET_USER_INFO_URL: %s' % WORK_WEIXIN_GET_USER_INFO_URL)
-            logger.error('WORK_WEIXIN_AUTHORIZATION_URL: %s' % WORK_WEIXIN_AUTHORIZATION_URL)
-            logger.error('WORK_WEIXIN_GET_USER_PROFILE_URL: %s' % WORK_WEIXIN_GET_USER_PROFILE_URL)
-            return False
+    if not WORK_WEIXIN_AGENT_ID \
+            or not WORK_WEIXIN_GET_USER_INFO_URL \
+            or not WORK_WEIXIN_AUTHORIZATION_URL \
+            or not WORK_WEIXIN_GET_USER_PROFILE_URL:
+        logger.error('work weixin oauth relevant settings invalid.')
+        logger.error('WORK_WEIXIN_AGENT_ID: %s' % WORK_WEIXIN_AGENT_ID)
+        logger.error('WORK_WEIXIN_GET_USER_INFO_URL: %s' % WORK_WEIXIN_GET_USER_INFO_URL)
+        logger.error('WORK_WEIXIN_AUTHORIZATION_URL: %s' % WORK_WEIXIN_AUTHORIZATION_URL)
+        logger.error('WORK_WEIXIN_GET_USER_PROFILE_URL: %s' % WORK_WEIXIN_GET_USER_PROFILE_URL)
+        return False
 
     return True
 
@@ -101,18 +102,15 @@ def work_weixin_oauth_check():
 def admin_work_weixin_departments_check():
     """ use for admin work weixin departments
     """
-    if not ENABLE_WORK_WEIXIN_DEPARTMENTS:
+    if not work_weixin_base_check():
         return False
-    else:
-        if not work_weixin_base_check():
-            return False
 
-        if not WORK_WEIXIN_DEPARTMENTS_URL \
-                or not WORK_WEIXIN_DEPARTMENT_MEMBERS_URL:
-            logger.error('admin work weixin departments relevant settings invalid.')
-            logger.error('WORK_WEIXIN_DEPARTMENTS_URL: %s' % WORK_WEIXIN_DEPARTMENTS_URL)
-            logger.error('WORK_WEIXIN_DEPARTMENT_MEMBERS_URL: %s' % WORK_WEIXIN_DEPARTMENT_MEMBERS_URL)
-            return False
+    if not WORK_WEIXIN_DEPARTMENTS_URL \
+            or not WORK_WEIXIN_DEPARTMENT_MEMBERS_URL:
+        logger.error('admin work weixin departments relevant settings invalid.')
+        logger.error('WORK_WEIXIN_DEPARTMENTS_URL: %s' % WORK_WEIXIN_DEPARTMENTS_URL)
+        logger.error('WORK_WEIXIN_DEPARTMENT_MEMBERS_URL: %s' % WORK_WEIXIN_DEPARTMENT_MEMBERS_URL)
+        return False
 
     return True
 
@@ -120,18 +118,15 @@ def admin_work_weixin_departments_check():
 def work_weixin_notifications_check():
     """ use for send work weixin notifications
     """
-    if not ENABLE_WORK_WEIXIN_NOTIFICATIONS:
+    if not work_weixin_base_check():
         return False
-    else:
-        if not work_weixin_base_check():
-            return False
 
-        if not WORK_WEIXIN_AGENT_ID \
-                or not WORK_WEIXIN_NOTIFICATIONS_URL:
-            logger.error('work weixin notifications relevant settings invalid.')
-            logger.error('WORK_WEIXIN_AGENT_ID: %s' % WORK_WEIXIN_AGENT_ID)
-            logger.error('WORK_WEIXIN_NOTIFICATIONS_URL: %s' % WORK_WEIXIN_NOTIFICATIONS_URL)
-            return False
+    if not WORK_WEIXIN_AGENT_ID \
+            or not WORK_WEIXIN_NOTIFICATIONS_URL:
+        logger.error('work weixin notifications relevant settings invalid.')
+        logger.error('WORK_WEIXIN_AGENT_ID: %s' % WORK_WEIXIN_AGENT_ID)
+        logger.error('WORK_WEIXIN_NOTIFICATIONS_URL: %s' % WORK_WEIXIN_NOTIFICATIONS_URL)
+        return False
 
     return True
 
diff --git a/tests/api/endpoints/test_upload_links.py b/tests/api/endpoints/test_upload_links.py
index 98534e9c59..e2337830f3 100644
--- a/tests/api/endpoints/test_upload_links.py
+++ b/tests/api/endpoints/test_upload_links.py
@@ -1,6 +1,8 @@
 # -*- coding: utf-8 -*-
 import json
 from mock import patch
+from dateutil.relativedelta import relativedelta
+from django.utils import timezone
 
 from django.core.urlresolvers import reverse
 
@@ -29,9 +31,9 @@ class UploadLinksTest(BaseTestCase):
     def tearDown(self):
         self.remove_repo()
 
-    def _add_upload_link(self):
+    def _add_upload_link(self, expire_date=None):
         upload_link = UploadLinkShare.objects.create_upload_link_share(self.user_name,
-            self.repo_id, self.folder_path, None, None)
+            self.repo_id, self.folder_path, None, expire_date=expire_date)
 
         return upload_link.token
 
@@ -50,6 +52,8 @@ class UploadLinksTest(BaseTestCase):
 
         assert json_resp[0]['link'] is not None
         assert json_resp[0]['token'] is not None
+        assert json_resp[0]['is_expired'] is not None
+
 
         assert token in json_resp[0]['link']
         assert 'u/d' in json_resp[0]['link']
@@ -58,6 +62,20 @@ class UploadLinksTest(BaseTestCase):
 
         self._remove_upload_link(token)
 
+    def test_get_expired_upload_link(self):
+        self.login_as(self.user)
+        # create a upload link expired one day ago.
+        expire_date = timezone.now() + relativedelta(days=-1)
+        token = self._add_upload_link(expire_date=expire_date)
+
+        resp = self.client.get(self.url + '?path=' + self.folder_path + '&repo_id=' + self.repo_id)
+        self.assertEqual(200, resp.status_code)
+
+        json_resp = json.loads(resp.content)
+        assert json_resp[0]['is_expired'] == True
+
+        self._remove_upload_link(token)
+
     @patch.object(CanGenerateUploadLink, 'has_permission')
     def test_get_link_with_invalid_user_role_permission(self, mock_has_permission):
         self.login_as(self.user)