diff --git a/frontend/src/components/file-chooser/file-chooser.js b/frontend/src/components/file-chooser/file-chooser.js
index 24cf50c1e4..efafa791ea 100644
--- a/frontend/src/components/file-chooser/file-chooser.js
+++ b/frontend/src/components/file-chooser/file-chooser.js
@@ -57,6 +57,8 @@ class FileChooser extends React.Component {
       searchInfo: '',
       searchResults: [],
       selectedItemInfo: {},
+      isBrowsing: false,
+      browsingPath: '',
     };
     this.inputValue = '';
     this.timer = null;
@@ -115,6 +117,8 @@ class FileChooser extends React.Component {
       this.setState({
         isSearching: false,
         isResultGot: false,
+        isBrowsing: false,
+        browsingPath: '',
         searchInfo: '',
         searchResults: [],
       });
@@ -182,8 +186,12 @@ class FileChooser extends React.Component {
     this.setState({
       isSearching: false,
       isResultGot: false,
+      isBrowsing: false,
+      browsingPath: '',
       searchInfo: '',
       searchResults: [],
+      selectedPath: this.props.currentPath,
+      selectedItemInfo: {},
     });
     this.inputValue = '';
     this.timer = null;
@@ -204,7 +212,7 @@ class FileChooser extends React.Component {
     }
     this.inputValue = searchInfo;
 
-    if (this.inputValue === '' || this.getValueLength(this.inputValue) < 3) {
+    if (this.inputValue === '') {
       this.setState({
         isResultGot: false,
       });
@@ -242,18 +250,27 @@ class FileChooser extends React.Component {
   };
 
   sendRequest = (queryData, cancelToken) => {
+    const filterCurrentRepo = (results) => {
+      if (this.props.mode === 'only_other_libraries') {
+        return results.filter(item => item.repo_id !== this.state.currentRepoInfo.repo_id);
+      }
+      return results;
+    };
+
     if (isPro && enableSeasearch && !enableElasticsearch) {
       seafileAPI.aiSearchFiles(queryData, cancelToken).then(res => {
+        const filteredResults = filterCurrentRepo(res.data.results.filter(item => item.is_dir));
         this.setState({
-          searchResults: res.data.results.length > 0 ? this.formatResultItems(res.data.results.filter(item => item.is_dir)) : [],
+          searchResults: filteredResults.length > 0 ? this.formatResultItems(filteredResults) : [],
           isResultGot: true
         });
         this.source = null;
       });
     } else {
       seafileAPI.searchFiles(queryData, cancelToken).then(res => {
+        const filteredResults = filterCurrentRepo(res.data.results);
         this.setState({
-          searchResults: res.data.total ? this.formatResultItems(res.data.results) : [],
+          searchResults: res.data.total ? this.formatResultItems(filteredResults) : [],
           isResultGot: true
         });
         this.source = null;
@@ -306,10 +323,6 @@ class FileChooser extends React.Component {
   };
 
   renderSearchedView = () => {
-    if (this.getValueLength(this.inputValue) < 3) {
-      return '';
-    }
-
     if (!this.state.isResultGot) {
       return (<Loading />);
     }
@@ -409,7 +422,16 @@ class FileChooser extends React.Component {
       }
     }
 
-    this.onCloseSearching();
+    this.setState({
+      isSearching: false,
+      isResultGot: false,
+      searchResults: [],
+      isBrowsing: true,
+      browsingPath: item.path.substring(0, item.path.length - 1),
+    });
+    this.inputValue = '';
+    this.timer = null;
+    this.source = null;
   };
   onScroll = (event) => {
     event.stopPropagation();
@@ -481,6 +503,8 @@ class FileChooser extends React.Component {
                 isShowFile={isShowFile}
                 fileSuffixes={fileSuffixes}
                 selectedItemInfo={selectedItemInfo}
+                isBrowsing={this.state.isBrowsing}
+                browsingPath={this.state.browsingPath}
               />
             </div>
           )}
@@ -517,6 +541,8 @@ class FileChooser extends React.Component {
                 isShowFile={isShowFile}
                 fileSuffixes={fileSuffixes}
                 selectedItemInfo={selectedItemInfo}
+                isBrowsing={this.state.isBrowsing}
+                browsingPath={this.state.browsingPath}
               />
             </div>
           )}
@@ -534,7 +560,7 @@ class FileChooser extends React.Component {
   };
 
   render() {
-    const { repoID } = this.props;
+    const { repoID, mode } = this.props;
     const { selectedRepo, searchInfo, isSearching } = this.state;
 
     if (!selectedRepo && repoID) {
@@ -543,7 +569,7 @@ class FileChooser extends React.Component {
 
     return (
       <Fragment>
-        {isPro && this.props.mode !== 'recently_used' && (
+        {isPro && mode !== 'recently_used' && (
           <div className="file-chooser-search-input">
             <Input className="search-input" placeholder={gettext('Search')} type='text' value={searchInfo} onChange={this.onSearchInfoChanged}></Input>
             {searchInfo.length !== 0 && (
diff --git a/frontend/src/components/file-chooser/repo-list-item.js b/frontend/src/components/file-chooser/repo-list-item.js
index 8398f71080..b1b4b69c1a 100644
--- a/frontend/src/components/file-chooser/repo-list-item.js
+++ b/frontend/src/components/file-chooser/repo-list-item.js
@@ -21,6 +21,8 @@ const propTypes = {
   fileSuffixes: PropTypes.array,
   selectedItemInfo: PropTypes.object,
   hideLibraryName: PropTypes.bool,
+  isBrowsing: PropTypes.bool,
+  browsingPath: PropTypes.string,
 };
 
 class RepoListItem extends React.Component {
@@ -63,6 +65,30 @@ class RepoListItem extends React.Component {
     }
   }
 
+  componentDidUpdate(prevProps) {
+    if (prevProps.isBrowsing && !this.props.isBrowsing) {
+      this.setState({
+        treeData: treeHelper.buildTree(),
+        isShowChildren: this.props.initToShowChildren,
+      });
+
+      const { isCurrentRepo, currentPath, repo, selectedItemInfo } = this.props;
+      const { repoID } = selectedItemInfo || {};
+
+      if (isCurrentRepo && !repoID) {
+        this.loadRepoDirentList(repo);
+        setTimeout(() => {
+          const repoID = repo.repo_id;
+          if (isCurrentRepo && currentPath && currentPath != '/') {
+            const expandNode = true;
+            this.loadNodeAndParentsByPath(repoID, currentPath, expandNode);
+          }
+        }, 0);
+      }
+    }
+
+  }
+
   componentWillUnmount() {
     this.setState({ isMounted: false });
   }
@@ -205,7 +231,7 @@ class RepoListItem extends React.Component {
 
     return (
       <li>
-        {!this.props.hideLibraryName &&
+        {!this.props.hideLibraryName && !this.props.isBrowsing &&
           <div className={`${repoActive ? 'item-active' : ''} item-info`} onClick={this.onRepoItemClick}>
             <div className="item-left-icon">
               <span className={`item-toggle icon sf3-font ${this.state.isShowChildren ? 'sf3-font-down' : 'sf3-font-down rotate-270 d-inline-block'}`} onClick={this.onToggleClick}></span>
@@ -228,6 +254,8 @@ class RepoListItem extends React.Component {
             treeData={this.state.treeData}
             onNodeCollapse={this.onNodeCollapse}
             onNodeExpanded={this.onNodeExpanded}
+            isBrowsing={this.props.isBrowsing}
+            browsingPath={this.props.browsingPath}
           />
         )}
       </li>
diff --git a/frontend/src/components/file-chooser/repo-list-view.js b/frontend/src/components/file-chooser/repo-list-view.js
index be8bda9f19..a41ea90562 100644
--- a/frontend/src/components/file-chooser/repo-list-view.js
+++ b/frontend/src/components/file-chooser/repo-list-view.js
@@ -15,6 +15,8 @@ const propTypes = {
   fileSuffixes: PropTypes.array,
   selectedItemInfo: PropTypes.object,
   currentPath: PropTypes.string,
+  isBrowsing: PropTypes.bool,
+  browsingPath: PropTypes.string,
 };
 
 class RepoListView extends React.Component {
@@ -43,6 +45,8 @@ class RepoListView extends React.Component {
               isShowFile={this.props.isShowFile}
               fileSuffixes={this.props.fileSuffixes}
               selectedItemInfo={this.props.selectedItemInfo}
+              isBrowsing={this.props.isBrowsing}
+              browsingPath={this.props.browsingPath}
             />
           );
         })}
diff --git a/frontend/src/components/file-chooser/searched-list-view.js b/frontend/src/components/file-chooser/searched-list-view.js
index a04fc88321..754809e3f6 100644
--- a/frontend/src/components/file-chooser/searched-list-view.js
+++ b/frontend/src/components/file-chooser/searched-list-view.js
@@ -13,12 +13,44 @@ class SearchedListView extends React.Component {
   constructor(props) {
     super(props);
     this.state = {
-      currentItem: null,
+      currentItem: props.searchResults.length > 0 ? props.searchResults[0] : null,
+      currentIndex: props.searchResults.length > 0 ? 0 : -1,
     };
+    this.itemRef = React.createRef();
   }
 
-  onItemClick = (item) => {
-    this.setState({ currentItem: item });
+  componentDidMount() {
+    document.addEventListener('keydown', this.handleKeyDown);
+  }
+
+  componentWillUnmount() {
+    document.removeEventListener('keydown', this.handleKeyDown);
+  }
+
+  handleKeyDown = (event) => {
+    const { searchResults } = this.props;
+    const { currentIndex } = this.state;
+
+    if (event.key === 'ArrowDown') {
+      const nextIndex = (currentIndex + 1) % searchResults.length;
+      this.setState({
+        currentItem: searchResults[nextIndex],
+        currentIndex: nextIndex,
+      });
+    } else if (event.key === 'ArrowUp') {
+      const prevIndex = (currentIndex - 1 + searchResults.length) % searchResults.length;
+      this.setState({
+        currentItem: searchResults[prevIndex],
+        currentIndex: prevIndex,
+      });
+    } else if (event.key === 'Enter') {
+      this.onItemClick(searchResults[currentIndex], currentIndex);
+      this.props.onSearchedItemDoubleClick(searchResults[currentIndex]);
+    }
+  };
+
+  onItemClick = (item, index) => {
+    this.setState({ currentItem: item, currentIndex: index });
     this.props.onItemClick(item);
   };
 
@@ -36,9 +68,10 @@ class SearchedListView extends React.Component {
             return (
               <SearchedListItem
                 key={index}
+                ref={this.itemRef}
                 item={item}
                 currentItem={this.state.currentItem}
-                onItemClick={this.onItemClick}
+                onItemClick={() => this.onItemClick(item, index)}
                 onSearchedItemDoubleClick={this.props.onSearchedItemDoubleClick}
               />
             );
diff --git a/frontend/src/components/file-chooser/tree-list-item.js b/frontend/src/components/file-chooser/tree-list-item.js
index 96ea448b4e..9825ced1c2 100644
--- a/frontend/src/components/file-chooser/tree-list-item.js
+++ b/frontend/src/components/file-chooser/tree-list-item.js
@@ -12,6 +12,7 @@ const propTypes = {
   filePath: PropTypes.string,
   fileSuffixes: PropTypes.array,
   level: PropTypes.number,
+  isBrowsing: PropTypes.bool,
 };
 
 class TreeViewItem extends React.Component {
@@ -96,7 +97,7 @@ class TreeViewItem extends React.Component {
     if (this.props.selectedRepo) {
       isCurrentRepo = this.props.selectedRepo.repo_id === this.props.repo.repo_id;
     }
-    let isCurrentPath = this.props.selectedPath === this.state.filePath;
+    let isCurrentPath = this.props.selectedPath === this.state.filePath || this.props.selectedPath === node.path;
 
     const fileName = node.object.name;
     if (this.props.fileSuffixes && fileName && node.object.type === 'file') {
diff --git a/frontend/src/components/file-chooser/tree-list-view.js b/frontend/src/components/file-chooser/tree-list-view.js
index b3e551729a..d23c8f7767 100644
--- a/frontend/src/components/file-chooser/tree-list-view.js
+++ b/frontend/src/components/file-chooser/tree-list-view.js
@@ -1,6 +1,7 @@
 import React from 'react';
 import PropTypes from 'prop-types';
 import TreeListItem from './tree-list-item';
+import treeHelper from '../tree-view/tree-helper';
 
 const propTypes = {
   selectedPath: PropTypes.string,
@@ -11,22 +12,42 @@ const propTypes = {
   onNodeCollapse: PropTypes.func.isRequired,
   onNodeExpanded: PropTypes.func.isRequired,
   fileSuffixes: PropTypes.array,
+  isBrowsing: PropTypes.bool,
+  browsingPath: PropTypes.string,
 };
 
 class TreeListView extends React.Component {
 
   render() {
+    const {
+      isBrowsing,
+      browsingPath,
+      treeData,
+      selectedPath,
+      onNodeCollapse,
+      onNodeExpanded,
+      repo,
+      onDirentItemClick,
+      selectedRepo,
+      fileSuffixes
+    } = this.props;
+
+    const browsingNode = treeHelper.findNodeByPath(treeData, browsingPath);
+    if (isBrowsing && !browsingNode) return null;
+
+    const node = isBrowsing ? browsingNode : treeData.root;
+
     return (
       <div className="list-view-content">
         <TreeListItem
-          node={this.props.treeData.root}
-          onNodeCollapse={this.props.onNodeCollapse}
-          onNodeExpanded={this.props.onNodeExpanded}
-          repo={this.props.repo}
-          onDirentItemClick={this.props.onDirentItemClick}
-          selectedRepo={this.props.selectedRepo}
-          selectedPath={this.props.selectedPath}
-          fileSuffixes={this.props.fileSuffixes}
+          node={node}
+          onNodeCollapse={onNodeCollapse}
+          onNodeExpanded={onNodeExpanded}
+          repo={repo}
+          onDirentItemClick={onDirentItemClick}
+          selectedRepo={selectedRepo}
+          selectedPath={selectedPath}
+          fileSuffixes={fileSuffixes}
           level={0}
         />
       </div>