diff --git a/controllers/store.go b/controllers/store.go
index fa51e08..233a4ba 100644
--- a/controllers/store.go
+++ b/controllers/store.go
@@ -45,7 +45,13 @@ func (c *ApiController) GetStores() {
 func (c *ApiController) GetStore() {
 	id := c.Input().Get("id")
 
-	store, err := object.GetStore(id)
+	var store *object.Store
+	var err error
+	if id == "admin/_casibase_default_store_" {
+		store, err = object.GetDefaultStore("admin")
+	} else {
+		store, err = object.GetStore(id)
+	}
 	if err != nil {
 		c.ResponseError(err.Error())
 		return
@@ -57,7 +63,8 @@ func (c *ApiController) GetStore() {
 
 	err = store.Populate()
 	if err != nil {
-		c.ResponseError(err.Error())
+		// gentle error
+		c.ResponseOk(store, err.Error())
 		return
 	}
 
diff --git a/object/store.go b/object/store.go
index 0a52a23..8297afe 100644
--- a/object/store.go
+++ b/object/store.go
@@ -70,7 +70,7 @@ func GetStores(owner string) ([]*Store, error) {
 	return stores, nil
 }
 
-func getCurrentStore(owner string) (*Store, error) {
+func GetDefaultStore(owner string) (*Store, error) {
 	stores, err := GetStores(owner)
 	if err != nil {
 		return nil, err
@@ -81,6 +81,11 @@ func getCurrentStore(owner string) (*Store, error) {
 			return store, nil
 		}
 	}
+
+	if len(stores) > 0 {
+		return stores[0], nil
+	}
+
 	return nil, nil
 }
 
diff --git a/object/video.go b/object/video.go
index a89074c..41d2488 100644
--- a/object/video.go
+++ b/object/video.go
@@ -129,7 +129,7 @@ func (video *Video) GetId() string {
 }
 
 func (video *Video) Populate() error {
-	store, err := getCurrentStore("admin")
+	store, err := GetDefaultStore("admin")
 	if err != nil {
 		return err
 	}
diff --git a/web/src/App.js b/web/src/App.js
index 3c08c82..a0a8b9b 100644
--- a/web/src/App.js
+++ b/web/src/App.js
@@ -84,8 +84,8 @@ class App extends Component {
     this.setState({
       uri: uri,
     });
-    if (uri === "/home") {
-      this.setState({selectedMenuKey: "/home"});
+    if (uri === "/" || uri === "/home") {
+      this.setState({selectedMenuKey: "/"});
     } else if (uri.includes("/stores")) {
       this.setState({selectedMenuKey: "/stores"});
     } else if (uri.includes("/clustering")) {
diff --git a/web/src/FileTree.js b/web/src/FileTree.js
index 57a9963..779ae46 100644
--- a/web/src/FileTree.js
+++ b/web/src/FileTree.js
@@ -13,7 +13,8 @@
 // limitations under the License.
 
 import React from "react";
-import {Button, Card, Col, DatePicker, Descriptions, Empty, Input, Modal, Popconfirm, Radio, Row, Select, Spin, Tooltip, Tree, Upload} from "antd";
+import {withRouter} from "react-router-dom";
+import {Button, Card, Col, DatePicker, Descriptions, Empty, Input, Modal, Popconfirm, Radio, Result, Row, Select, Spin, Tooltip, Tree, Upload} from "antd";
 import {CloudUploadOutlined, DeleteOutlined, DownloadOutlined, FileDoneOutlined, FolderAddOutlined, InfoCircleTwoTone, createFromIconfontCN} from "@ant-design/icons";
 import moment from "moment";
 import * as Setting from "./Setting";
@@ -847,29 +848,49 @@ class FileTree extends React.Component {
   }
 
   render() {
+    if (this.props.store.fileTree === null) {
+      return (
+        <div className="App">
+          <Result
+            status="error"
+            title={`${this.props.store.error}`}
+            extra={
+              <Button type="primary" onClick={() => this.props.history.push(`/stores/${this.props.store.owner}/${this.props.store.name}`)}>
+                Go to Store
+              </Button>
+            }
+          />
+        </div>
+      );
+    }
+
     return (
-      <div style={{backgroundColor: "white", borderTop: "1px solid rgb(232,232,232)", borderLeft: "1px solid rgb(232,232,232)"}}>
+      <div>
         <Row>
           <Col span={8}>
-            <Card className="content-warp-card-filetreeleft">
-              {
-                this.renderSearch(this.props.store)
-              }
-              {
-                this.renderTree(this.props.store)
-              }
+            <Card className="content-warp-card-filetreeleft" style={{marginRight: "10px"}}>
+              <div style={{margin: "-25px"}}>
+                {
+                  this.renderSearch(this.props.store)
+                }
+                {
+                  this.renderTree(this.props.store)
+                }
+              </div>
             </Card>
           </Col>
           <Col span={16}>
             <Card className="content-warp-card-filetreeright">
-              <div style={{height: this.getEditorHeightCss()}}>
+              <div style={{margin: "-25px"}}>
+                <div style={{height: this.getEditorHeightCss()}}>
+                  {
+                    this.renderFileViewer(this.props.store)
+                  }
+                </div>
                 {
-                  this.renderFileViewer(this.props.store)
+                  this.renderProperties()
                 }
               </div>
-              {
-                this.renderProperties()
-              }
             </Card>
           </Col>
         </Row>
@@ -881,4 +902,4 @@ class FileTree extends React.Component {
   }
 }
 
-export default FileTree;
+export default withRouter(FileTree);
diff --git a/web/src/FileTreePage.js b/web/src/FileTreePage.js
index c3c2fea..152dd32 100644
--- a/web/src/FileTreePage.js
+++ b/web/src/FileTreePage.js
@@ -36,13 +36,17 @@ class FileTreePage extends React.Component {
 
   getStore() {
     StoreBackend.getStore(this.state.owner, this.state.storeName)
-      .then((res) => {
-        if (res?.status !== "error") {
+      .then((store) => {
+        if (store.status === "ok") {
+          if (store.data2 !== null && store.data?.includes("error")) {
+            store.data.error = store.data2;
+          }
+
           this.setState({
-            store: res.data,
+            store: store.data,
           });
         } else {
-          Setting.showMessage("error", res.msg);
+          Setting.showMessage("error", `Failed to get store: ${store.msg}`);
         }
       });
   }
diff --git a/web/src/HomePage.js b/web/src/HomePage.js
index 48b5982..809e829 100644
--- a/web/src/HomePage.js
+++ b/web/src/HomePage.js
@@ -1,17 +1,17 @@
-// Copyright 2023 The casbin Authors. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
+// Copyright 2023 The casbin Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 import React from "react";
 import FileTreePage from "./FileTreePage";
 import {Redirect} from "react-router-dom";
@@ -28,22 +28,22 @@ class HomePage extends React.Component {
   }
 
   UNSAFE_componentWillMount() {
-    this.getStores();
+    this.getStore();
   }
 
-  getStores() {
-    StoreBackend.getGlobalStores()
-      .then((res) => {
-        if (res.status === "ok") {
-          const stores = res.data;
-          const store = stores.filter(store => store.domain !== "https://cdn.example.com")[0];
-          if (store !== undefined) {
-            this.setState({
-              store: store,
-            });
+  getStore() {
+    StoreBackend.getStore("admin", "_casibase_default_store_")
+      .then((store) => {
+        if (store.status === "ok") {
+          if (store.data2 !== null && store.data2.includes("error")) {
+            store.data.error = store.data2;
           }
+
+          this.setState({
+            store: store.data,
+          });
         } else {
-          Setting.showMessage("error", `Failed to get stores: ${res.msg}`);
+          Setting.showMessage("error", `Failed to get store: ${store.msg}`);
         }
       });
   }
diff --git a/web/src/StoreEditPage.js b/web/src/StoreEditPage.js
index 2616b3d..adc6d39 100644
--- a/web/src/StoreEditPage.js
+++ b/web/src/StoreEditPage.js
@@ -39,6 +39,10 @@ class StoreEditPage extends React.Component {
     StoreBackend.getStore(this.state.owner, this.state.storeName)
       .then((store) => {
         if (store.status === "ok") {
+          if (store.data2 !== null && store.data2.includes("error")) {
+            store.data.error = store.data2;
+          }
+
           this.setState({
             store: store.data,
           });
diff --git a/web/src/StoreListPage.js b/web/src/StoreListPage.js
index 402e4a9..20fac9b 100644
--- a/web/src/StoreListPage.js
+++ b/web/src/StoreListPage.js
@@ -114,14 +114,14 @@ class StoreListPage extends React.Component {
         title: i18next.t("general:Display name"),
         dataIndex: "displayName",
         key: "displayName",
-        width: "600px",
+        // width: "600px",
         sorter: (a, b) => a.displayName.localeCompare(b.displayName),
       },
       {
         title: i18next.t("general:Action"),
         dataIndex: "action",
         key: "action",
-        width: "240px",
+        width: "300px",
         render: (text, record, index) => {
           return (
             <div>