diff --git a/yuthon_hr_attendance/controllers/applet_attendance.py b/yuthon_hr_attendance/controllers/applet_attendance.py
index d43a24ea7..08bfde929 100644
--- a/yuthon_hr_attendance/controllers/applet_attendance.py
+++ b/yuthon_hr_attendance/controllers/applet_attendance.py
@@ -941,7 +941,7 @@ class AppletAttendance(Controller):
 
         # 电表数据
         electric_result_dict = {}
-        duplicate_checker = {}  # 用于记录已处理的 (code, building, floor, room) 组合
+        duplicate_checker = {}  # 用于记录已处理的 (code, unit_number) 组合
         for electric in electric_records:
             property_infos = electric.yuthon_property_ids if electric.yuthon_property_ids else [None]
             for property_info in property_infos:
@@ -961,8 +961,9 @@ class AppletAttendance(Controller):
 
                 state = electric.state
                 code = electric.archives_id.name or ''
+                unit_number = electric.unit_number or ''
                 # 构建唯一标识键（核心去重逻辑）
-                unique_key = (code, building, floor, room)
+                unique_key = (code, unit_number)
                 # 检查是否已处理过该唯一键，未处理过才添加
                 if unique_key not in duplicate_checker:
                     # 标记为已处理