diff --git a/app_base_chinese/models/__init__.py b/app_base_chinese/models/__init__.py
index 5a895e85..423324f5 100644
--- a/app_base_chinese/models/__init__.py
+++ b/app_base_chinese/models/__init__.py
@@ -4,6 +4,7 @@ from . import res_partner
 from . import res_currency
 from . import product_category
 from . import stock_location
+from . import account_tax_group
 
 
 
diff --git a/app_base_chinese/models/account_tax_group.py b/app_base_chinese/models/account_tax_group.py
new file mode 100644
index 00000000..d1413359
--- /dev/null
+++ b/app_base_chinese/models/account_tax_group.py
@@ -0,0 +1,9 @@
+# -*- coding: utf-8 -*-
+
+from odoo import api, fields, models, _, tools
+
+class AccountTaxGroup(models.Model):
+    _inherit = 'account.tax.group'
+
+    active = fields.Boolean(default=True, help="Set active to false to hide the tax without removing it.")
+
diff --git a/app_base_chinese/models/res_partner.py b/app_base_chinese/models/res_partner.py
index 3287a213..e932ab3f 100644
--- a/app_base_chinese/models/res_partner.py
+++ b/app_base_chinese/models/res_partner.py
@@ -9,6 +9,7 @@ class ResPartner(models.Model):
 
     name = fields.Char(index=True, translate=True)
     short_name = fields.Char('Short Name')  # 简称
+    fax = fields.Char('Fax')  # 简称
 
     # 增加地址显示中的手机号与电话号码
     # 选项 show_address 开启则增加显示手机与电话号