diff --git a/xw_kk_preview/__init__.py b/xw_kk_preview/__init__.py
deleted file mode 100644
index 511a0ca3a..000000000
--- a/xw_kk_preview/__init__.py
+++ /dev/null
@@ -1,4 +0,0 @@
-# -*- coding: utf-8 -*-
-
-from . import controllers
-from . import models
\ No newline at end of file
diff --git a/xw_kk_preview/__manifest__.py b/xw_kk_preview/__manifest__.py
deleted file mode 100644
index ccba0d429..000000000
--- a/xw_kk_preview/__manifest__.py
+++ /dev/null
@@ -1,37 +0,0 @@
-# -*- coding: utf-8 -*-
-{
-    'name': "xw_kk_preview",
-
-    'summary': """
-        kk file preview for odoo
-    """,
-
-    'description': """
-        file preview,
-        kk file preview
-    """,
-
-    'author': "masterjmz",
-    'website': "https://www.openerpnext.com",
-
-    'category': 'Apps/preview',
-    'version': '16.0.0.1',
-    'license': 'AGPL-3',
-    'price': 9999,
-
-    'depends': ['base'],
-
-    'data': [
-        'security/ir.model.access.csv',
-        'views/views.xml',
-    ],
-
-    'assets': {
-        'web.assets_backend': [
-            'xw_kk_preview/static/src/binary_field/*.*',
-            'xw_kk_preview/static/libs/*.*',
-            'xw_kk_preview/static/src/kk_dialog_patch.js',
-            'xw_kk_preview/static/css/*.*',
-        ]
-    },
-}
diff --git a/xw_kk_preview/controllers/__init__.py b/xw_kk_preview/controllers/__init__.py
deleted file mode 100644
index 457bae27e..000000000
--- a/xw_kk_preview/controllers/__init__.py
+++ /dev/null
@@ -1,3 +0,0 @@
-# -*- coding: utf-8 -*-
-
-from . import controllers
\ No newline at end of file
diff --git a/xw_kk_preview/controllers/controllers.py b/xw_kk_preview/controllers/controllers.py
deleted file mode 100644
index 0d653c63c..000000000
--- a/xw_kk_preview/controllers/controllers.py
+++ /dev/null
@@ -1,21 +0,0 @@
-# -*- coding: utf-8 -*-
-# from odoo import http
-
-
-# class XwKkPreview(http.Controller):
-#     @http.route('/xw_kk_preview/xw_kk_preview', auth='public')
-#     def index(self, **kw):
-#         return "Hello, world"
-
-#     @http.route('/xw_kk_preview/xw_kk_preview/objects', auth='public')
-#     def list(self, **kw):
-#         return http.request.render('xw_kk_preview.listing', {
-#             'root': '/xw_kk_preview/xw_kk_preview',
-#             'objects': http.request.env['xw_kk_preview.xw_kk_preview'].search([]),
-#         })
-
-#     @http.route('/xw_kk_preview/xw_kk_preview/objects/<model("xw_kk_preview.xw_kk_preview"):obj>', auth='public')
-#     def object(self, obj, **kw):
-#         return http.request.render('xw_kk_preview.object', {
-#             'object': obj
-#         })
diff --git a/xw_kk_preview/models/__init__.py b/xw_kk_preview/models/__init__.py
deleted file mode 100644
index 5305644df..000000000
--- a/xw_kk_preview/models/__init__.py
+++ /dev/null
@@ -1,3 +0,0 @@
-# -*- coding: utf-8 -*-
-
-from . import models
\ No newline at end of file
diff --git a/xw_kk_preview/models/models.py b/xw_kk_preview/models/models.py
deleted file mode 100644
index 5a093005b..000000000
--- a/xw_kk_preview/models/models.py
+++ /dev/null
@@ -1,50 +0,0 @@
-# -*- coding: utf-8 -*-
-
-from odoo import models, fields, api
-import base64
-
-
-class XwKKPreview(models.AbstractModel):
-    """
-    xw_kk_preview.xw_kk_preview
-    """
-    _name = 'xw_kk_preview.xw_kk_preview'
-    _description = 'xw_kk_preview.xw_kk_preview'
-
-    @api.model
-    def get_preview_url(self, res_model, res_id, field_name, file_name_field):
-        """
-        get file info
-        """
-        base_url = self.env['ir.config_parameter'].sudo().get_param('web.base.url')
-        record = self.env[res_model].sudo().browse(res_id)
-
-        file_name = None
-        if file_name_field:
-            file_name = record[file_name_field]
-
-        if not file_name:
-            stream = None
-            try:
-                stream = self.env['ir.binary'].sudo()._get_stream_from(
-                    record, field_name, False, file_name_field or 'name')
-            except Exception as e:
-                return {
-                    'status': 'error',
-                    'message': str(e),
-                }
-            file_name = stream.download_name
-        
-        # http://124.223.107.118:8012/onlinePreview
-        preivew_url = self.env['ir.config_parameter'].sudo().get_param('xw_kk_preview.preivew_url')
-        if not preivew_url:
-            return {
-                'status': 'error',
-                'message': 'please set preivew_url in system parameters',
-            }
-
-        return {
-            'status': 'success',
-            'preview_url': preivew_url,
-            'url': f'{base_url}/web/content/{res_model}/{res_id}/{field_name}/{file_name}?download=true',
-        }
diff --git a/xw_kk_preview/security/ir.model.access.csv b/xw_kk_preview/security/ir.model.access.csv
deleted file mode 100644
index 06372f500..000000000
--- a/xw_kk_preview/security/ir.model.access.csv
+++ /dev/null
@@ -1,2 +0,0 @@
-id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
-access_xw_kk_preview_xw_kk_preview,xw_kk_preview.xw_kk_preview,model_xw_kk_preview_xw_kk_preview,base.group_user,1,1,1,1
\ No newline at end of file
diff --git a/xw_kk_preview/static/css/style.scss b/xw_kk_preview/static/css/style.scss
deleted file mode 100644
index 13b224c8c..000000000
--- a/xw_kk_preview/static/css/style.scss
+++ /dev/null
@@ -1,18 +0,0 @@
-
-.modal-full {
-    width: 100% !important;
-    height: 100% !important;
-    max-width: 100%;
-    padding: 0 !important;
-
-    .modal-content {
-        height: 100% !important;
-        max-height: 100% !important;
-        .modal-body {
-            > div {
-                height: 100% !important;
-                max-height: 100% !important;
-            }
-        }
-    }
-}
\ No newline at end of file
diff --git a/xw_kk_preview/static/description/icon.png b/xw_kk_preview/static/description/icon.png
deleted file mode 100644
index 30172b538..000000000
Binary files a/xw_kk_preview/static/description/icon.png and /dev/null differ
diff --git a/xw_kk_preview/static/libs/base64.js b/xw_kk_preview/static/libs/base64.js
deleted file mode 100644
index f2cc36af0..000000000
--- a/xw_kk_preview/static/libs/base64.js
+++ /dev/null
@@ -1,8 +0,0 @@
-/**
- * Minified by jsDelivr using Terser v5.3.5.
- * Original file: /npm/js-base64@3.6.0/base64.js
- *
- * Do NOT use SRI with dynamically generated files! More information: https://www.jsdelivr.com/using-sri-with-dynamic-files
- */
-!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):function(){const r=e.Base64,o=t();o.noConflict=()=>(e.Base64=r,o),e.Meteor&&(Base64=o),e.Base64=o}()}("undefined"!=typeof self?self:"undefined"!=typeof window?window:"undefined"!=typeof global?global:this,(function(){"use strict";const e="3.6.0",t="function"==typeof atob,r="function"==typeof btoa,o="function"==typeof Buffer,n="function"==typeof TextDecoder?new TextDecoder:void 0,a="function"==typeof TextEncoder?new TextEncoder:void 0,f=[..."ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="],i=(e=>{let t={};return e.forEach(((e,r)=>t[e]=r)),t})(f),c=/^(?:[A-Za-z\d+\/]{4})*?(?:[A-Za-z\d+\/]{2}(?:==)?|[A-Za-z\d+\/]{3}=?)?$/,u=String.fromCharCode.bind(String),s="function"==typeof Uint8Array.from?Uint8Array.from.bind(Uint8Array):(e,t=(e=>e))=>new Uint8Array(Array.prototype.slice.call(e,0).map(t)),d=e=>e.replace(/[+\/]/g,(e=>"+"==e?"-":"_")).replace(/=+$/m,""),l=e=>e.replace(/[^A-Za-z0-9\+\/]/g,""),h=e=>{let t,r,o,n,a="";const i=e.length%3;for(let i=0;i<e.length;){if((r=e.charCodeAt(i++))>255||(o=e.charCodeAt(i++))>255||(n=e.charCodeAt(i++))>255)throw new TypeError("invalid character found");t=r<<16|o<<8|n,a+=f[t>>18&63]+f[t>>12&63]+f[t>>6&63]+f[63&t]}return i?a.slice(0,i-3)+"===".substring(i):a},p=r?e=>btoa(e):o?e=>Buffer.from(e,"binary").toString("base64"):h,y=o?e=>Buffer.from(e).toString("base64"):e=>{let t=[];for(let r=0,o=e.length;r<o;r+=4096)t.push(u.apply(null,e.subarray(r,r+4096)));return p(t.join(""))},A=(e,t=!1)=>t?d(y(e)):y(e),b=e=>{if(e.length<2)return(t=e.charCodeAt(0))<128?e:t<2048?u(192|t>>>6)+u(128|63&t):u(224|t>>>12&15)+u(128|t>>>6&63)+u(128|63&t);var t=65536+1024*(e.charCodeAt(0)-55296)+(e.charCodeAt(1)-56320);return u(240|t>>>18&7)+u(128|t>>>12&63)+u(128|t>>>6&63)+u(128|63&t)},g=/[\uD800-\uDBFF][\uDC00-\uDFFFF]|[^\x00-\x7F]/g,B=e=>e.replace(g,b),x=o?e=>Buffer.from(e,"utf8").toString("base64"):a?e=>y(a.encode(e)):e=>p(B(e)),C=(e,t=!1)=>t?d(x(e)):x(e),m=e=>C(e,!0),U=/[\xC0-\xDF][\x80-\xBF]|[\xE0-\xEF][\x80-\xBF]{2}|[\xF0-\xF7][\x80-\xBF]{3}/g,F=e=>{switch(e.length){case 4:var t=((7&e.charCodeAt(0))<<18|(63&e.charCodeAt(1))<<12|(63&e.charCodeAt(2))<<6|63&e.charCodeAt(3))-65536;return u(55296+(t>>>10))+u(56320+(1023&t));case 3:return u((15&e.charCodeAt(0))<<12|(63&e.charCodeAt(1))<<6|63&e.charCodeAt(2));default:return u((31&e.charCodeAt(0))<<6|63&e.charCodeAt(1))}},w=e=>e.replace(U,F),S=e=>{if(e=e.replace(/\s+/g,""),!c.test(e))throw new TypeError("malformed base64.");e+="==".slice(2-(3&e.length));let t,r,o,n="";for(let a=0;a<e.length;)t=i[e.charAt(a++)]<<18|i[e.charAt(a++)]<<12|(r=i[e.charAt(a++)])<<6|(o=i[e.charAt(a++)]),n+=64===r?u(t>>16&255):64===o?u(t>>16&255,t>>8&255):u(t>>16&255,t>>8&255,255&t);return n},E=t?e=>atob(l(e)):o?e=>Buffer.from(e,"base64").toString("binary"):S,v=o?e=>s(Buffer.from(e,"base64")):e=>s(E(e),(e=>e.charCodeAt(0))),D=e=>v(z(e)),R=o?e=>Buffer.from(e,"base64").toString("utf8"):n?e=>n.decode(v(e)):e=>w(E(e)),z=e=>l(e.replace(/[-_]/g,(e=>"-"==e?"+":"/"))),T=e=>R(z(e)),Z=e=>({value:e,enumerable:!1,writable:!0,configurable:!0}),j=function(){const e=(e,t)=>Object.defineProperty(String.prototype,e,Z(t));e("fromBase64",(function(){return T(this)})),e("toBase64",(function(e){return C(this,e)})),e("toBase64URI",(function(){return C(this,!0)})),e("toBase64URL",(function(){return C(this,!0)})),e("toUint8Array",(function(){return D(this)}))},I=function(){const e=(e,t)=>Object.defineProperty(Uint8Array.prototype,e,Z(t));e("toBase64",(function(e){return A(this,e)})),e("toBase64URI",(function(){return A(this,!0)})),e("toBase64URL",(function(){return A(this,!0)}))},O={version:e,VERSION:"3.6.0",atob:E,atobPolyfill:S,btoa:p,btoaPolyfill:h,fromBase64:T,toBase64:C,encode:C,encodeURI:m,encodeURL:m,utob:B,btou:w,decode:T,isValid:e=>{if("string"!=typeof e)return!1;const t=e.replace(/\s+/g,"").replace(/=+$/,"");return!/[^\s0-9a-zA-Z\+/]/.test(t)||!/[^\s0-9a-zA-Z\-_]/.test(t)},fromUint8Array:A,toUint8Array:D,extendString:j,extendUint8Array:I,extendBuiltins:()=>{j(),I()},Base64:{}};return Object.keys(O).forEach((e=>O.Base64[e]=O[e])),O}));
-//# sourceMappingURL=/sm/8bca8602e2256d240cef904e1c1df432ccfdd2a2a73f6911c60be79e526e3e1e.map
\ No newline at end of file
diff --git a/xw_kk_preview/static/src/binary_field/kk_binary_preview.js b/xw_kk_preview/static/src/binary_field/kk_binary_preview.js
deleted file mode 100644
index 652922a1c..000000000
--- a/xw_kk_preview/static/src/binary_field/kk_binary_preview.js
+++ /dev/null
@@ -1,55 +0,0 @@
-/** @odoo-module **/
-
-import { patch } from "@web/core/utils/patch";
-import { BinaryField } from "@web/views/fields/binary/binary_field";
-import { useOwnedDialogs, useService } from "@web/core/utils/hooks";
-import { _lt } from "@web/core/l10n/translation";
-import { KKPreviewDialog } from "./kk_preview_dialog";
-
-
-/**
- * binary field patch
- * @param {Object} param0
- */
-patch(BinaryField.prototype, "xc_utils_binary_field_patch", {
-    
-    setup() {
-        this._super(...arguments);
-        this.addDialog = useOwnedDialogs();
-        this.orm = useService("orm");
-        this.notification = useService("notification");
-    },
-
-    /**
-     * do preview
-     */
-    do_preview() {
-
-        let res_id = this.props.record.data.id;
-        let res_model = this.props.record.resModel;
-        let file_name = this.props.filename;
-        let field_name = this.props.name;
-
-        this.orm.call(
-            "xw_kk_preview.xw_kk_preview", "get_preview_url", [
-                res_model, res_id, field_name, file_name]).then((result) => {
-            if (result && result.status == 'success') {
-
-                let preview_url = result.preview_url;
-                let finalUrl = preview_url + '?url=' + encodeURIComponent(Base64.encode(result.url));
-                this.addDialog(KKPreviewDialog, {
-                    url: finalUrl,
-                    close: () => {},
-                    size: 'full'
-                });
-            } else {
-                this.notification.add(
-                    this.env._t("Warning"), {
-                        title: this.env._t('Get File Preview URL Failed!'),
-                        type: "warning"
-                    }
-                );
-            }
-        });
-    }
-});
diff --git a/xw_kk_preview/static/src/binary_field/kk_binary_preview.xml b/xw_kk_preview/static/src/binary_field/kk_binary_preview.xml
deleted file mode 100644
index 70f3532ab..000000000
--- a/xw_kk_preview/static/src/binary_field/kk_binary_preview.xml
+++ /dev/null
@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-
-<templates id="template" xml:space="preserve">
-
-    <t t-name="web.BinaryField" t-inherit="web.BinaryField">
-
-        <xpath expr="//a[hasclass('o_form_uri')]" position="after">
-            <button t-if="props.record.data.id" class="btn btn-primary" t-on-click="do_preview">Preview</button>
-        </xpath>
-
-        <xpath expr="//button[hasclass('o_clear_file_button')]" position="after">
-            <button t-if="props.record.data.id" class="btn btn-primary" t-on-click="do_preview">Preview</button>
-        </xpath>
-
-    </t>
-
-</templates>
diff --git a/xw_kk_preview/static/src/binary_field/kk_preview_dialog.js b/xw_kk_preview/static/src/binary_field/kk_preview_dialog.js
deleted file mode 100644
index 980ec0244..000000000
--- a/xw_kk_preview/static/src/binary_field/kk_preview_dialog.js
+++ /dev/null
@@ -1,24 +0,0 @@
-/** @odoo-module **/
-
-import { Dialog } from "@web/core/dialog/dialog";
-import { _lt } from "@web/core/l10n/translation";
-
-import { Component } from "@odoo/owl";
-
-export class KKPreviewDialog extends Component {};
-
-KKPreviewDialog.props = {
-    url: String,
-    close: Function,
-    size: {
-        type: String,
-        optional: true,
-    }
-};
-
-KKPreviewDialog.defaultProps = {
-    fullscreen: false,
-};
-
-KKPreviewDialog.components = { Dialog };
-KKPreviewDialog.template = "xc_utils.kk_preview_dialog";
\ No newline at end of file
diff --git a/xw_kk_preview/static/src/binary_field/kk_preview_dialog.xml b/xw_kk_preview/static/src/binary_field/kk_preview_dialog.xml
deleted file mode 100644
index caa2755f9..000000000
--- a/xw_kk_preview/static/src/binary_field/kk_preview_dialog.xml
+++ /dev/null
@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<templates xml:space="preserve">
-
-    <t t-name="xc_utils.kk_preview_dialog" owl="1">
-        <Dialog size="props.size">
-            <div>
-                <iframe t-att-src="props.url" style="width: 100%; height: 100%; border: none;"></iframe>
-            </div>
-            <t t-set-slot="footer" owl="1">
-                <button class="btn" t-on-click="() => props.close()">Discard</button>
-            </t>
-        </Dialog>
-    </t>
-
-</templates>
diff --git a/xw_kk_preview/static/src/kk_dialog_patch.js b/xw_kk_preview/static/src/kk_dialog_patch.js
deleted file mode 100644
index ee9622726..000000000
--- a/xw_kk_preview/static/src/kk_dialog_patch.js
+++ /dev/null
@@ -1,14 +0,0 @@
-/** @odoo-module **/
-
-import { Dialog } from "@web/core/dialog/dialog";
-import { patch } from "@web/core/utils/patch";
-
-patch(Dialog.prototype, 'xw_kk_preview.dialog_patch', {});
-
-Dialog.props = {
-    ...Dialog.props,
-    size: {
-        type: String,
-        optional: true,
-    }
-};
diff --git a/xw_kk_preview/views/templates.xml b/xw_kk_preview/views/templates.xml
deleted file mode 100644
index cea6b39ad..000000000
--- a/xw_kk_preview/views/templates.xml
+++ /dev/null
@@ -1,24 +0,0 @@
-<odoo>
-    <data>
-<!--
-        <template id="listing">
-          <ul>
-            <li t-foreach="objects" t-as="object">
-              <a t-attf-href="#{ root }/objects/#{ object.id }">
-                <t t-esc="object.display_name"/>
-              </a>
-            </li>
-          </ul>
-        </template>
-        <template id="object">
-          <h1><t t-esc="object.display_name"/></h1>
-          <dl>
-            <t t-foreach="object._fields" t-as="field">
-              <dt><t t-esc="field"/></dt>
-              <dd><t t-esc="object[field]"/></dd>
-            </t>
-          </dl>
-        </template>
--->
-    </data>
-</odoo>
\ No newline at end of file
diff --git a/xw_kk_preview/views/views.xml b/xw_kk_preview/views/views.xml
deleted file mode 100644
index c8e242054..000000000
--- a/xw_kk_preview/views/views.xml
+++ /dev/null
@@ -1,60 +0,0 @@
-<odoo>
-  <data>
-    <!-- explicit list view definition -->
-<!--
-    <record model="ir.ui.view" id="xw_kk_preview.list">
-      <field name="name">xw_kk_preview list</field>
-      <field name="model">xw_kk_preview.xw_kk_preview</field>
-      <field name="arch" type="xml">
-        <tree>
-          <field name="name"/>
-          <field name="value"/>
-          <field name="value2"/>
-        </tree>
-      </field>
-    </record>
--->
-
-    <!-- actions opening views on models -->
-<!--
-    <record model="ir.actions.act_window" id="xw_kk_preview.action_window">
-      <field name="name">xw_kk_preview window</field>
-      <field name="res_model">xw_kk_preview.xw_kk_preview</field>
-      <field name="view_mode">tree,form</field>
-    </record>
--->
-
-    <!-- server action to the one above -->
-<!--
-    <record model="ir.actions.server" id="xw_kk_preview.action_server">
-      <field name="name">xw_kk_preview server</field>
-      <field name="model_id" ref="model_xw_kk_preview_xw_kk_preview"/>
-      <field name="state">code</field>
-      <field name="code">
-        action = {
-          "type": "ir.actions.act_window",
-          "view_mode": "tree,form",
-          "res_model": model._name,
-        }
-      </field>
-    </record>
--->
-
-    <!-- Top menu item -->
-<!--
-    <menuitem name="xw_kk_preview" id="xw_kk_preview.menu_root"/>
--->
-    <!-- menu categories -->
-<!--
-    <menuitem name="Menu 1" id="xw_kk_preview.menu_1" parent="xw_kk_preview.menu_root"/>
-    <menuitem name="Menu 2" id="xw_kk_preview.menu_2" parent="xw_kk_preview.menu_root"/>
--->
-    <!-- actions -->
-<!--
-    <menuitem name="List" id="xw_kk_preview.menu_1_list" parent="xw_kk_preview.menu_1"
-              action="xw_kk_preview.action_window"/>
-    <menuitem name="Server to list" id="xw_kk_preview" parent="xw_kk_preview.menu_2"
-              action="xw_kk_preview.action_server"/>
--->
-  </data>
-</odoo>
\ No newline at end of file
diff --git a/xw_kk_preview_demo/__init__.py b/xw_kk_preview_demo/__init__.py
deleted file mode 100644
index 5305644df..000000000
--- a/xw_kk_preview_demo/__init__.py
+++ /dev/null
@@ -1,3 +0,0 @@
-# -*- coding: utf-8 -*-
-
-from . import models
\ No newline at end of file
diff --git a/xw_kk_preview_demo/__manifest__.py b/xw_kk_preview_demo/__manifest__.py
deleted file mode 100644
index ec977f4c1..000000000
--- a/xw_kk_preview_demo/__manifest__.py
+++ /dev/null
@@ -1,25 +0,0 @@
-# -*- coding: utf-8 -*-
-{
-    'name': "preview_demo",
-
-    'summary': """
-        Short (1 phrase/line) summary of the module's purpose, used as
-        subtitle on modules listing or apps.openerp.com""",
-
-    'description': """
-        Long description of module's purpose
-    """,
-
-    'author': "My Company",
-    'website': "https://www.yourcompany.com",
-
-    'category': 'apps/demo',
-    'version': '16.0.0.1',
-
-    'depends': ['base', 'web'],
-
-    'data': [
-        'security/ir.model.access.csv',
-        'views/views.xml',
-    ]
-}
diff --git a/xw_kk_preview_demo/models/__init__.py b/xw_kk_preview_demo/models/__init__.py
deleted file mode 100644
index b379a50b9..000000000
--- a/xw_kk_preview_demo/models/__init__.py
+++ /dev/null
@@ -1,4 +0,0 @@
-# -*- coding: utf-8 -*-
-
-from . import models
-from . import patch_attachment
\ No newline at end of file
diff --git a/xw_kk_preview_demo/models/models.py b/xw_kk_preview_demo/models/models.py
deleted file mode 100644
index 5dbf80a5f..000000000
--- a/xw_kk_preview_demo/models/models.py
+++ /dev/null
@@ -1,19 +0,0 @@
-# -*- coding: utf-8 -*-
-
-from odoo import models, fields, api
-
-
-class preview_demo(models.Model):
-    _name = 'xw_kk_preview_demo.preview_demo'
-    _description = 'kk preview demo'
-
-    name = fields.Char()
-    value = fields.Integer()
-    value2 = fields.Float(compute="_value_pc", store=True)
-    description = fields.Text()
-    test_preview = fields.Binary(string="test_preview")
-
-    @api.depends('value')
-    def _value_pc(self):
-        for record in self:
-            record.value2 = float(record.value) / 100
diff --git a/xw_kk_preview_demo/models/patch_attachment.py b/xw_kk_preview_demo/models/patch_attachment.py
deleted file mode 100644
index 01197dca0..000000000
--- a/xw_kk_preview_demo/models/patch_attachment.py
+++ /dev/null
@@ -1,19 +0,0 @@
-
-# -*- coding: utf-8 -*-
-
-from odoo import models, fields, api
-
-
-class MdContractAttachment(models.Model):
-    '''
-    attachment
-    '''
-    _inherit = 'ir.attachment'
-
-    @api.model
-    def check(self, mode, values=None):
-        """
-        Restricts the access to an ir.attachment, according to referred mode 
-        """
-        return True
-        # return super().check(mode, values)
diff --git a/xw_kk_preview_demo/security/ir.model.access.csv b/xw_kk_preview_demo/security/ir.model.access.csv
deleted file mode 100644
index ea0f89ddf..000000000
--- a/xw_kk_preview_demo/security/ir.model.access.csv
+++ /dev/null
@@ -1,2 +0,0 @@
-id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
-access_xw_kk_preview_demo_preview_demo,xw_kk_preview_demo.preview_demo,model_xw_kk_preview_demo_preview_demo,,1,1,1,1
\ No newline at end of file
diff --git a/xw_kk_preview_demo/static/description/icon.png b/xw_kk_preview_demo/static/description/icon.png
deleted file mode 100644
index 30172b538..000000000
Binary files a/xw_kk_preview_demo/static/description/icon.png and /dev/null differ
diff --git a/xw_kk_preview_demo/views/views.xml b/xw_kk_preview_demo/views/views.xml
deleted file mode 100644
index b3dbb0247..000000000
--- a/xw_kk_preview_demo/views/views.xml
+++ /dev/null
@@ -1,59 +0,0 @@
-<odoo>
-  <data>
-    <!-- explicit list view definition -->
-
-    <record model="ir.ui.view" id="xw_kk_preview_demo.list">
-      <field name="name">preview_demo</field>
-      <field name="model">xw_kk_preview_demo.preview_demo</field>
-      <field name="arch" type="xml">
-        <tree>
-          <field name="name"/>
-          <field name="value"/>
-          <field name="value2"/>
-          <field name="test_preview" />
-        </tree>
-      </field>
-    </record>
-
-    <!-- form -->
-    <record model="ir.ui.view" id="xw_kk_preview_demo.form">
-      <field name="name">preview_demo form</field>
-      <field name="model">xw_kk_preview_demo.preview_demo</field>
-      <field name="arch" type="xml">
-        <form>
-          <sheet>
-            <group>
-              <field name="name"/>
-              <field name="value"/>
-              <field name="value2"/>
-            </group>
-            <div class="form-group row">
-              <label class="col-sm-2 col-form-label" for="test_preview">test_preview</label>
-              <div class="col-sm-10">
-                <field name="test_preview"/>
-              </div>
-            </div>
-          </sheet>
-        </form>
-      </field>
-    </record>
-
-    <record model="ir.actions.act_window" id="xw_kk_preview_demo.action_window">
-      <field name="name">preview_demo window</field>
-      <field name="res_model">xw_kk_preview_demo.preview_demo</field>
-      <field name="view_mode">tree,form</field>
-    </record>
-
-
-    <!-- Top menu item -->
-    <menuitem name="preview_demo" id="xw_kk_preview_demo.menu_root"/>
-
-    <!-- menu categories -->
-    <menuitem name="Menu 1" id="xw_kk_preview_demo.menu_1" parent="xw_kk_preview_demo.menu_root"/>
-    <menuitem name="Menu 2" id="xw_kk_preview_demo.menu_2" parent="xw_kk_preview_demo.menu_root"/>
-
-    <!-- actions -->
-    <menuitem name="List" id="xw_kk_preview_demo.menu_1_list" parent="xw_kk_preview_demo.menu_1" action="xw_kk_preview_demo.action_window"/>
-
-  </data>
-</odoo>
\ No newline at end of file
diff --git a/yuthon_property/views/menuitem.xml b/yuthon_property/views/menuitem.xml
index ad9b757e0..2a3eb9724 100644
--- a/yuthon_property/views/menuitem.xml
+++ b/yuthon_property/views/menuitem.xml
@@ -16,38 +16,38 @@
               sequence="6"
               name="物业"
               parent="yuthon_property_menu_root"/>
-    <!--三级标题 -->
-    <menuitem id="yuthon_property_list_menu"
-              sequence="6"
-              name="列表"
+
+    <menuitem id="yuthon_property_menu_data"
+              sequence="7"
+              name="物业信息"
               parent="yuthon_property_menu"/>
 
     <menuitem id="yuthon_property_all_menu"
               sequence="1"
               name="全部"
-              parent="yuthon_property_information_menu"
+              parent="yuthon_property_menu_data"
               action="yuthon_property_action"/>
 
     <menuitem id="yuthon_property_list_rentable_menu"
               sequence="1"
               name="可租"
-              parent="yuthon_property_information_menu"
+              parent="yuthon_property_menu_data"
               action="yuthon_property_could_action"/>
 
     <menuitem id="yuthon_property_list_rented_menu"
               sequence="3"
               name="已租"
-              parent="yuthon_property_information_menu"
+              parent="yuthon_property_menu_data"
               action="yuthon_property_done_action"/>
 
     <menuitem id="yuthon_property_list_empty_menu"
               sequence="5"
               name="空置"
-              parent="yuthon_property_information_menu"
+              parent="yuthon_property_menu_data"
               action="yuthon_property_none_action"/>
 
     <menuitem id="yuthon_property_estate_menu"
-              sequence="5"
+              sequence="9"
               name="不动产证"
               parent="yuthon_property_menu"
               action="yuthon_property_action"/>
@@ -68,7 +68,7 @@
     <menuitem id="yuthon_property_evaluated_menu"
               sequence="9"
               name="评估"
-              parent="yuthon_property_menu_root" />
+              parent="yuthon_property_menu_root"/>
     <!-- 三级标题 -->
     <menuitem id="yuthon_property_tobe_menu"
               sequence="1"