diff --git a/yuthon_property/models/property_meter_archives.py b/yuthon_property/models/property_meter_archives.py
index 404b320ef..75ab1f85e 100644
--- a/yuthon_property/models/property_meter_archives.py
+++ b/yuthon_property/models/property_meter_archives.py
@@ -155,16 +155,15 @@ class PropertyMeterArchives(models.Model):
         for record in reading_ids:
             record.onchange_property()
 
-    @api.onchange("yuthon_property_ids")
+    @api.onchange("yuthon_property_ids", 'epitope_values_id')
     def onchange_property(self):
         if not self.line_ids:
             return
-        sync_vals = {}
-        if self.yuthon_property_ids:
-            sync_vals["yuthon_property_ids"] = [(6, 0, self.yuthon_property_ids.ids)]
-        if sync_vals:
-            self.line_ids.write(sync_vals)
-            self.update_epitope_values()
+        self.line_ids.write({
+            'yuthon_property_ids': [(6, 0, self.yuthon_property_ids.ids)] if self.yuthon_property_ids else [],
+            'epitope_values_id': self.epitope_values_id.id if self.epitope_values_id else False
+        })
+        self.update_epitope_values()
 
     def action_property_meter_wizard(self):
         return {
diff --git a/yuthon_property/models/property_meter_water.py b/yuthon_property/models/property_meter_water.py
index edaa17239..ed907d2fe 100644
--- a/yuthon_property/models/property_meter_water.py
+++ b/yuthon_property/models/property_meter_water.py
@@ -109,16 +109,15 @@ class PropertyMeterWater(models.Model):
         for record in water_ids:
             record.water_state = "stop"
 
-    @api.onchange("yuthon_property_ids")
+    @api.onchange("yuthon_property_ids", 'epitope_values_id')
     def onchange_property(self):
         if not self.line_ids:
             return
-        sync_vals = {}
-        if self.yuthon_property_ids:
-            sync_vals["yuthon_property_ids"] = [(6, 0, self.yuthon_property_ids.ids)]
-        if sync_vals:
-            self.line_ids.write(sync_vals)
-            self.update_epitope_values()
+        self.line_ids.write({
+            'yuthon_property_ids': [(6, 0, self.yuthon_property_ids.ids)] if self.yuthon_property_ids else [],
+            'epitope_values_id': self.epitope_values_id.id if self.epitope_values_id else False
+        })
+        self.update_epitope_values()
 
     def action_property_water_wizard(self):
         return {