diff --git a/cor_custom/models/analytic.py b/cor_custom/models/analytic.py
index 3df681a..1dd460b 100755
--- a/cor_custom/models/analytic.py
+++ b/cor_custom/models/analytic.py
@@ -104,13 +104,17 @@ class AccountAnalyticLine(models.Model):
                 if rec.end_time < rec.start_time:
                     raise exceptions.ValidationError(_('End time cannot be earlier than Start time'))
 
-    @api.onchange('start_time', 'end_time')
+    @api.onchange('start_time', 'end_time', 'start_datetime', 'end_datetime')
     def _onchange_start_end_time(self):
         if self.start_time > 0 and self.end_time > 0:
             res = self.end_time - self.start_time
             if res <= 0:
                 raise ValidationError(_("End time cannot be earlier than Start time"))
             self.unit_amount = res
+        # if self.start_datetime and self.end_datetime:
+        #     res1 = self.end_datetime - self.start_datetime
+        #     print('ressssssssss', res1)
+        #     self.unit_amount = res1
 
     @api.model
     def export_data(self, fields):