diff --git a/yuthon_property_approval/models/inherit_yuthon_property.py b/yuthon_property_approval/models/inherit_yuthon_property.py
index 8e657dc3c..38a41727d 100644
--- a/yuthon_property_approval/models/inherit_yuthon_property.py
+++ b/yuthon_property_approval/models/inherit_yuthon_property.py
@@ -217,6 +217,10 @@ class PropertyBankStatements(models.Model):
                 # 获取当前记录的日期（用于判断出租方变更行的生效期）
                 target_date = record.start_time.date() if record.start_time else fields.Date.today()
 
+                # ====================== 提取目标年月 ======================
+                target_year = target_date.year
+                target_month = target_date.month
+
                 for lessee in record.lessee_ids:
                     # 从承租方的租户行提取合同
                     tenant_lines = lessee.property_contract_ids.filtered(
@@ -228,13 +232,27 @@ class PropertyBankStatements(models.Model):
                         if not contract:
                             continue
 
+                        # 按【年月】判断合同是否有效
                         is_contract_valid = False
-                        if contract.actual_start_time and contract.actual_start_time <= target_date:
-                            if not contract.actual_end_time or contract.actual_end_time >= target_date:
-                                is_contract_valid = True
+                        if contract.actual_start_time:
+                            start_year = contract.actual_start_time.year
+                            start_month = contract.actual_start_time.month
+                            # 合同开始年月 <= 目标年月
+                            if (start_year < target_year) or (
+                                    start_year == target_year and start_month <= target_month):
+                                # 合同结束时间判断：未设置 或 结束年月 >= 目标年月
+                                if not contract.actual_end_time:
+                                    is_contract_valid = True
+                                else:
+                                    end_year = contract.actual_end_time.year
+                                    end_month = contract.actual_end_time.month
+                                    if (end_year > target_year) or (
+                                            end_year == target_year and end_month >= target_month):
+                                        is_contract_valid = True
 
                         if not is_contract_valid:
                             continue
+
                         # 1. 筛选合同的出租方变更行：生效日期≤目标日期，失效日期≥目标日期/未设置
                         valid_lessor_lines = contract.lessor_line.filtered(
                             lambda l: