diff --git a/soong_workflow/__manifest__.py b/soong_workflow/__manifest__.py
index 09c02de90..7296e6583 100644
--- a/soong_workflow/__manifest__.py
+++ b/soong_workflow/__manifest__.py
@@ -10,6 +10,7 @@
         "security/soong_workflow_security.xml",
         "security/ir.model.access.csv",
         "views/menuitem.xml",
+        "views/soong_approval_users_views.xml",
         "views/soong_hr_employee_views.xml",
         "views/soong_user_role_views.xml",
         "views/soong_workflow_node_views.xml",
diff --git a/soong_workflow/models/soong_approval_users.py b/soong_workflow/models/soong_approval_users.py
index 1911a1423..95ee95b51 100644
--- a/soong_workflow/models/soong_approval_users.py
+++ b/soong_workflow/models/soong_approval_users.py
@@ -11,10 +11,24 @@ class SoongApprovalUsers(models.Model):
     _name = "soong.approval.users"
     _description = "Soong Approval Users"
 
-    workflow_id = fields.Many2one("soong.workflow.mixin", string="Workflow Ref.", ondelete="cascade", required=True)
+    @api.model
+    def default_get(self, fields):
+        res = super().default_get(fields)
+        if 'res_model_id' in fields and res.get('res_model'):
+            res['res_model_id'] = self.env['ir.model']._get(res['res_model']).id
+        return res
+
+    # workflow_id = fields.Many2one("soong.workflow.mixin", string="Workflow Ref.", ondelete="cascade", required=True)
+    res_model_id = fields.Many2one('ir.model', string='Model', index=True, ondelete='cascade')
+    res_model = fields.Char('Workflow Ref Model', index=True, related='res_model_id.model', precompute=True, store=True, readonly=True)
+    res_id = fields.Many2oneReference(string='Workflow Ref.', index=True, model_field='res_model')
     approval_user_id = fields.Many2one('res.users', string='审批人')
     approval_user = fields.Many2one('soong.user.role', string='审批角色')
     approval_user_datetime = fields.Datetime(string='审批时间')
     approval_user_notice = fields.Char(string='审批意见')
     approval_user_sign = fields.Char(string='审批签署')
     approval_user_state = fields.Selection([('will', '待审批')], string='状态')
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        return super().create(vals_list)
\ No newline at end of file
diff --git a/soong_workflow/models/soong_workflow_mixin.py b/soong_workflow/models/soong_workflow_mixin.py
index 80a1907c8..353fdc281 100644
--- a/soong_workflow/models/soong_workflow_mixin.py
+++ b/soong_workflow/models/soong_workflow_mixin.py
@@ -52,7 +52,7 @@ class SoongWorkflowMixin(models.AbstractModel):
         compute="_compute_workflow_id",
     )
 
-    approval_users_ids = fields.One2many("soong.approval.users", "workflow_id", string="审批明细")
+    approval_users_ids = fields.One2many("soong.approval.users", "res_id", domain=lambda self: [('res_model', '=', self._name)], auto_join=True, string="审批明细")
 
     @api.depends("state")
     def _compute_workflow_id(self):
@@ -382,12 +382,12 @@ class SoongWorkflowMixin(models.AbstractModel):
 
         if view_type == "form":
             # Locate the group element
-            group_el = arch.xpath("//group")
+            group_el = arch.xpath("//sheet")
             if group_el:
                 group_el = group_el[0]
             else:
                 # If no group element exists, create one and add it to the arch
-                group_el = etree.Element("group")
+                group_el = etree.Element("sheet")
                 # Insert the group element at the beginning or end of the arch
                 arch.insert(0, group_el)
 
@@ -407,6 +407,8 @@ class SoongWorkflowMixin(models.AbstractModel):
             # Create the field element for the one2many field
             field_el = etree.Element("field")
             field_el.set("name", "approval_users_ids")
+            field_el_context = {'tree_view_ref': 'soong_workflow.soong_approval_users_search', 'default_res_model_id': self.env['ir.model']._get(self._name).id}
+            field_el.set("context", str(field_el_context))
 
             # Append the field element to the new page
             page_el.append(field_el)
diff --git a/soong_workflow/views/soong_approval_users_views.xml b/soong_workflow/views/soong_approval_users_views.xml
new file mode 100644
index 000000000..fe5ef2886
--- /dev/null
+++ b/soong_workflow/views/soong_approval_users_views.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <data>
+        <record id="soong_approval_users_search" model="ir.ui.view">
+            <field name="name">soong.approval.users.tree</field>
+            <field name="model">soong.approval.users</field>
+            <field name="arch" type="xml">
+                <tree editable="bottom">
+                    <field name="res_model_id" column_invisible="True"/>
+                    <field name="res_model" column_invisible="True"/>
+                    <field name="res_id" column_invisible="True"/>
+                    <field name="approval_user_id"/>
+                    <field name="approval_user"/>
+                    <field name="approval_user_datetime"/>
+                    <field name="approval_user_notice"/>
+                     <field name="approval_user_sign"/>
+                </tree>
+            </field>
+        </record>
+    </data>
+</odoo>