diff --git a/app_base_company_zchart/models/__init__.py b/app_base_company_zchart/models/__init__.py
index 3c155279..e759f74f 100644
--- a/app_base_company_zchart/models/__init__.py
+++ b/app_base_company_zchart/models/__init__.py
@@ -1,3 +1,3 @@
 # -*- coding: utf-8 -*-
 
-# from . import res_company
+from . import res_company
diff --git a/app_base_company_zchart/models/res_company.py b/app_base_company_zchart/models/res_company.py
index 58b24eac..7de75667 100644
--- a/app_base_company_zchart/models/res_company.py
+++ b/app_base_company_zchart/models/res_company.py
@@ -6,5 +6,14 @@ from odoo import api, fields, models, tools, _
 class Company(models.Model):
     _inherit = "res.company"
 
+    _parent_store = True
+    parent_path = fields.Char(index=True, unaccent=False)
+    
     # 注意，res.partner 有 parent_id 和 child_ids
+    all_child_ids = fields.One2many('res.company', string='Child Companies', compute='_compute_all_child_ids')
+    
+    @api.depends('parent_id', 'child_ids')
+    def _compute_all_child_ids(self):
+        pass
+        
 
diff --git a/app_chatgpt/__manifest__.py b/app_chatgpt/__manifest__.py
index 6a7a838c..5b66c16f 100644
--- a/app_chatgpt/__manifest__.py
+++ b/app_chatgpt/__manifest__.py
@@ -73,6 +73,7 @@
             'app_chatgpt/static/src/components/*/*.xml',
         ],
     },
+    # win: openai=0.27.0
     'external_dependencies': {'python': ['openai']},
     'installable': True,
     'application': True,