diff --git a/yuthon_official/models/yuthon_file_processing.py b/yuthon_official/models/yuthon_file_processing.py
index f230a8631..a386a2bea 100644
--- a/yuthon_official/models/yuthon_file_processing.py
+++ b/yuthon_official/models/yuthon_file_processing.py
@@ -180,16 +180,16 @@ class YuthonFileProcessing(models.Model):
     @api.onchange('is_cold')
     def onchange_is_cold(self):
         if self.is_cold:
-            self.onchange_company_id()
+            self.onchange_company_id1()
         else:
             self.reference_cold = False
 
-    @api.onchange('company_id')
-    def onchange_company_id(self):
+    @api.onchange('company_id1')
+    def onchange_company_id1(self):
         current_year = fields.Date.today().year
         self.reference_cold = False
-        if self.company_id and self.company_id.name:
-            company_name = self.company_id.name
+        if self.company_id1 and self.company_id1.name:
+            company_name = self.company_id1.name
             prefix_map = {
                 '集团本部': '穗天投',
                 '天河粮储': '天粮储司',
@@ -201,7 +201,7 @@ class YuthonFileProcessing(models.Model):
             # 构建查询条件：同公司 + 同一年份的文号
             year_str = f"〔{current_year}〕"
             domain = [
-                ('company_id', '=', self.company_id.id),
+                ('company_id1', '=', self.company_id1.id),
                 ('reference_cold', 'like', f"{prefix}{year_str}%")
             ]
             last_record = self.search(domain, order='reference_cold desc', limit=1)
diff --git a/yuthon_official/models/yuthon_official.py b/yuthon_official/models/yuthon_official.py
index cee50ac44..86c3e940c 100644
--- a/yuthon_official/models/yuthon_official.py
+++ b/yuthon_official/models/yuthon_official.py
@@ -176,8 +176,15 @@ class YuthonOfficial(models.Model):
         }
     }
 
+    @api.onchange('is_cold')
+    def onchange_is_cold(self):
+        if self.is_cold:
+            self.onchange_company_id1()
+        else:
+            self.reference_cold = False
+
     @api.onchange('company_id1')
-    def onchange_company_id(self):
+    def onchange_company_id1(self):
         current_year = fields.Date.today().year
         self.reference_cold = False
         if self.company_id1 and self.company_id1.name:
@@ -190,26 +197,24 @@ class YuthonOfficial(models.Model):
             prefix = prefix_map.get(company_name)
             if not prefix:
                 return
+
             year_str = f"〔{current_year}〕"
             domain = [
-                ('company_id', '=', self.company_id1.id),
+                ('company_id1', '=', self.company_id1.id),
                 ('reference_cold', 'like', f"{prefix}{year_str}%")
             ]
             last_record = self.search(domain, order='reference_cold desc', limit=1)
-            # 计算下一个序号（格式化为3位数字：001、002...）
+            base_num = 27 if (current_year == 2026 and company_name == "集团本部") else 1
+            max_seq = 0
             if last_record and last_record.reference_cold:
-                # 从现有文号中提取数字部分（如从"穗天物【2025】003号"提取"003"）
                 try:
-                    # 截取序号部分（假设格式固定为"前缀【年份】序号号"）
                     seq_str = last_record.reference_cold.split(year_str)[1].rsplit('号', 1)[0]
-                    last_seq = int(seq_str)
-                    next_seq = last_seq + 1
-                except (IndexError, ValueError):
-                    next_seq = 1
-            else:
-                next_seq = 1
-            seq_str = f"{next_seq}"
-            self.reference_cold = f"{prefix}{year_str}{seq_str}号"
+                    max_seq = int(seq_str)
+                except:
+                    max_seq = 0
+
+            next_seq = max(max_seq + 1, base_num)
+            self.reference_cold = f"{prefix}{year_str}{next_seq}号"
 
     def supervising_button(self):
         return {
diff --git a/yuthon_official/models/yuthon_official_branch_party.py b/yuthon_official/models/yuthon_official_branch_party.py
index 310196a47..419e36120 100644
--- a/yuthon_official/models/yuthon_official_branch_party.py
+++ b/yuthon_official/models/yuthon_official_branch_party.py
@@ -77,16 +77,16 @@ class YuthonOfficialBranchParty(models.Model):
     @api.onchange('is_cold')
     def onchange_is_cold(self):
         if self.is_cold:
-            self.onchange_company_id()
+            self.onchange_company_id1()
         else:
             self.reference_cold = False
 
-    @api.onchange('company_id')
-    def onchange_company_id(self):
+    @api.onchange('company_id1')
+    def onchange_company_id1(self):
         current_year = fields.Date.today().year
         self.reference_cold = False
-        if self.company_id and self.company_id.name:
-            company_name = self.company_id.name
+        if self.company_id1 and self.company_id1.name:
+            company_name = self.company_id1.name
             prefix_map = {
                 '集团本部': '穗天投',
                 '天河粮储': '天粮储司',
@@ -95,14 +95,18 @@ class YuthonOfficialBranchParty(models.Model):
             prefix = prefix_map.get(company_name)
             if not prefix:
                 return
+            # 构建查询条件：同公司 + 同一年份的文号
             year_str = f"〔{current_year}〕"
             domain = [
-                ('company_id', '=', self.company_id.id),
+                ('company_id1', '=', self.company_id1.id),
                 ('reference_cold', 'like', f"{prefix}{year_str}%")
             ]
             last_record = self.search(domain, order='reference_cold desc', limit=1)
+            # 计算下一个序号（格式化为3位数字：001、002...）
             if last_record and last_record.reference_cold:
+                # 从现有文号中提取数字部分（如从"穗天物【2025】003号"提取"003"）
                 try:
+                    # 截取序号部分（假设格式固定为"前缀【年份】序号号"）
                     seq_str = last_record.reference_cold.split(year_str)[1].rsplit('号', 1)[0]
                     last_seq = int(seq_str)
                     next_seq = last_seq + 1
diff --git a/yuthon_official/models/yuthon_official_labor.py b/yuthon_official/models/yuthon_official_labor.py
index 984156327..95d3b7077 100644
--- a/yuthon_official/models/yuthon_official_labor.py
+++ b/yuthon_official/models/yuthon_official_labor.py
@@ -77,16 +77,16 @@ class YuthonOfficialLabor(models.Model):
     @api.onchange('is_cold')
     def onchange_is_cold(self):
         if self.is_cold:
-           self.onchange_company_id()
+            self.onchange_company_id1()
         else:
             self.reference_cold = False
 
-    @api.onchange('company_id')
-    def onchange_company_id(self):
+    @api.onchange('company_id1')
+    def onchange_company_id1(self):
         current_year = fields.Date.today().year
         self.reference_cold = False
-        if self.company_id and self.company_id.name:
-            company_name = self.company_id.name
+        if self.company_id1 and self.company_id1.name:
+            company_name = self.company_id1.name
             prefix_map = {
                 '集团本部': '穗天投',
                 '天河粮储': '天粮储司',
@@ -95,27 +95,29 @@ class YuthonOfficialLabor(models.Model):
             prefix = prefix_map.get(company_name)
             if not prefix:
                 return
-            # 构建查询条件：同公司 + 同一年份的文号
             year_str = f"〔{current_year}〕"
             domain = [
-                ('company_id', '=', self.company_id.id),
+                ('company_id1', '=', self.company_id1.id),
                 ('reference_cold', 'like', f"{prefix}{year_str}%")
             ]
             last_record = self.search(domain, order='reference_cold desc', limit=1)
-            # 计算下一个序号（格式化为3位数字：001、002...）
             if last_record and last_record.reference_cold:
-                # 从现有文号中提取数字部分（如从"穗天物【2025】003号"提取"003"）
                 try:
-                    # 截取序号部分（假设格式固定为"前缀【年份】序号号"）
                     seq_str = last_record.reference_cold.split(year_str)[1].rsplit('号', 1)[0]
                     last_seq = int(seq_str)
                     next_seq = last_seq + 1
                 except (IndexError, ValueError):
-                    next_seq = 1
+                    if current_year == 2026 and company_name == '集团本部':
+                        next_seq = 27
+                    else:
+                        next_seq = 1
             else:
-                next_seq = 1
-            seq_str = f"{next_seq}"
-            self.reference_cold = f"{prefix}{year_str}{seq_str}号"
+                if current_year == 2026 and company_name == '集团本部':
+                    next_seq = 27
+                else:
+                    next_seq = 1
+
+            self.reference_cold = f"{prefix}{year_str}{next_seq}号"
 
     @api.onchange('is_meet')
     def _onchange_is_meet(self):
diff --git a/yuthon_official/models/yuthon_official_party.py b/yuthon_official/models/yuthon_official_party.py
index 00e274278..9cc910ae8 100644
--- a/yuthon_official/models/yuthon_official_party.py
+++ b/yuthon_official/models/yuthon_official_party.py
@@ -85,16 +85,16 @@ class YuthonOfficialParty(models.Model):
     @api.onchange('is_cold')
     def onchange_is_cold(self):
         if self.is_cold:
-            self.onchange_company_id()
+            self.onchange_company_id1()
         else:
             self.reference_cold = False
 
-    @api.onchange('company_id')
-    def onchange_company_id(self):
+    @api.onchange('company_id1')
+    def onchange_company_id1(self):
         current_year = fields.Date.today().year
         self.reference_cold = False
-        if self.company_id and self.company_id.name:
-            company_name = self.company_id.name
+        if self.company_id1 and self.company_id1.name:
+            company_name = self.company_id1.name
             prefix_map = {
                 '集团本部': '穗天投',
                 '天河粮储': '天粮储司',
@@ -106,12 +106,15 @@ class YuthonOfficialParty(models.Model):
             # 构建查询条件：同公司 + 同一年份的文号
             year_str = f"〔{current_year}〕"
             domain = [
-                ('company_id', '=', self.company_id.id),
+                ('company_id1', '=', self.company_id1.id),
                 ('reference_cold', 'like', f"{prefix}{year_str}%")
             ]
             last_record = self.search(domain, order='reference_cold desc', limit=1)
+            # 计算下一个序号（格式化为3位数字：001、002...）
             if last_record and last_record.reference_cold:
+                # 从现有文号中提取数字部分（如从"穗天物【2025】003号"提取"003"）
                 try:
+                    # 截取序号部分（假设格式固定为"前缀【年份】序号号"）
                     seq_str = last_record.reference_cold.split(year_str)[1].rsplit('号', 1)[0]
                     last_seq = int(seq_str)
                     next_seq = last_seq + 1
diff --git a/yuthon_property/models/property_bank_statements.py b/yuthon_property/models/property_bank_statements.py
index d706e5e2c..c88708386 100644
--- a/yuthon_property/models/property_bank_statements.py
+++ b/yuthon_property/models/property_bank_statements.py
@@ -68,6 +68,18 @@ class PropertyBankStatements(models.Model):
             elif record.your_own_unit in ['天河粮储']:
                 record.company_id = self.env['res.company'].search([('name', '=', '天河粮储')], limit=1)
 
+
+    def update_your_own_unit(self):
+        selected_records = self.env["property.bank.statements"].browse(
+            self._context.get('active_ids', self._context.get('active_id'))
+        )
+        for record in selected_records:
+            company_config = self.env['yuthon.property.company'].sudo().search(
+                [('rent_account', '=', record.your_own_account)], limit=1
+            )
+            if company_config and company_config.referred:
+                record.your_own_unit = company_config.referred
+
     def update_record(self):
         selected_records = self.env["property.bank.statements"].browse(
             self._context.get('active_ids', self._context.get('active_id'))
diff --git a/yuthon_property/views/property_bank_statements_views.xml b/yuthon_property/views/property_bank_statements_views.xml
index 6a67acaf6..e0d967729 100644
--- a/yuthon_property/views/property_bank_statements_views.xml
+++ b/yuthon_property/views/property_bank_statements_views.xml
@@ -33,7 +33,7 @@
                 <field name="your_own_account" optional="hide"/>
                 <field name="your_own_unit" optional="hide"/>
                 <header>
-                     <button name="other" type="object" class="oe_highlight" string="其他"/>
+                    <button name="other" type="object" class="oe_highlight" string="其他"/>
                  </header>
                 <field name="name_account"/>
                 <field name="bank_branch"/>
@@ -223,4 +223,11 @@
         <field name="state">code</field>
         <field name="code">action = model.update_company_id()</field>
     </record>
+    <record id="all_update_your_own_unit" model="ir.actions.server">
+        <field name="name">更新账号单位</field>
+        <field name="model_id" ref="yuthon_property.model_property_bank_statements"/>
+        <field name="binding_model_id" ref="yuthon_property.model_property_bank_statements"/>
+        <field name="state">code</field>
+        <field name="code">action = model.update_your_own_unit()</field>
+    </record>
 </odoo>
\ No newline at end of file
diff --git a/yuthon_property/wizard/property_statements_wizard.py b/yuthon_property/wizard/property_statements_wizard.py
index 98ee67206..91e8504bf 100644
--- a/yuthon_property/wizard/property_statements_wizard.py
+++ b/yuthon_property/wizard/property_statements_wizard.py
@@ -545,7 +545,6 @@ class PropertyStatementsWizard(models.Model):
         return False
 
     def classify_by_last_four(self, input_str):
-        """根据本方账号匹配 yuthon.property.company 中的收租公司账号，返回简称"""
         if not isinstance(input_str, str) or not input_str.strip():
             return ''
         account = input_str.strip()