diff --git a/yuthon_property_approval/models/property_lease_contract.py b/yuthon_property_approval/models/property_lease_contract.py
index e96ae0e76..384b6d383 100644
--- a/yuthon_property_approval/models/property_lease_contract.py
+++ b/yuthon_property_approval/models/property_lease_contract.py
@@ -653,9 +653,11 @@ class PropertyLeaseContract(models.Model):
                         record.end_comparison = None
                 else:
                     record.end_comparison = None
-
-                if record.actual_end_time < record.term_end_time:
-                    record.end_comparison = 'red'
+                if record.term_end_time:
+                    if record.actual_end_time < record.term_end_time:
+                        record.end_comparison = 'red'
+                else:
+                    record.end_comparison = None
 
                 if record.actual_end_time == record.term_start_time:
                     record.is_equal = True