diff --git a/rog/.DS_Store b/rog/.DS_Store
index 0ea3aa7..9a52b61 100644
Binary files a/rog/.DS_Store and b/rog/.DS_Store differ
diff --git a/rog/services/csv_processor.py b/rog/services/csv_processor.py
index b0685b0..b5f2862 100644
--- a/rog/services/csv_processor.py
+++ b/rog/services/csv_processor.py
@@ -240,25 +240,46 @@ class EntryCSVProcessor:
             event = NewEvent2.objects.get(event_name=row['event_code'])
             print(f'イベント取得：{event.event_name}')
 
-            # start_datetimeの検証を追加
-            if not event.start_datetime:
-                raise ValidationError(f"Event {event.event_name} has no start date")
-
+            # イベントの日時設定を確認・修正
             if not event.start_datetime or not event.end_datetime:
                 print(f"Event dates: start={event.start_datetime}, end={event.end_datetime}")
                 event.start_datetime = timezone.make_aware(datetime(2025, 1, 25, 9, 0))
                 event.end_datetime = timezone.make_aware(datetime(2025, 1, 25, 17, 0))
                 event.save()
 
-            # entry_dateをdatetimeに変換
-            if 'entry_date' in row:
+            # entry_dateの処理を改善
+            entry_date = None
+            if 'entry_date' in row and row['entry_date']:
                 try:
-                    entry_date = datetime.strptime(row['entry_date'], '%Y/%m/%d %H:%M')
-                except ValueError:
-                    entry_date = datetime.strptime(row['entry_date'], '%Y/%m/%d')
+                    # 様々な日付形式に対応
+                    date_formats = [
+                        '%Y/%m/%d %H:%M',
+                        '%Y/%m/%d',
+                        '%Y-%m-%d %H:%M',
+                        '%Y-%m-%d'
+                    ]
+                
+                    for date_format in date_formats:
+                        try:
+                            entry_date = datetime.strptime(row['entry_date'], date_format)
+                            break
+                        except ValueError:
+                            continue
+                
+                    if entry_date is None:
+                        raise ValueError(f"Could not parse date: {row['entry_date']}")
+                
+                    # タイムゾーン対応
+                    entry_date = timezone.make_aware(entry_date)
+                except Exception as e:
+                    print(f"Date parsing error: {str(e)}")
+                    entry_date = event.start_datetime
             else:
                 entry_date = event.start_datetime
 
+            if entry_date is None:
+                raise ValueError("Could not determine entry date")
+
             print(f'エントリー日付：{entry_date}')
 
             entry = Entry.objects.create(
@@ -274,8 +295,11 @@ class EntryCSVProcessor:
             entry.save()            
 
             print(f'エントリー作成完了：{team.team_name} - {event.event_name}')
+        
         except NewEvent2.DoesNotExist:
             print(f'Error on _create_entry: {row}')
             raise ValidationError(f"Event with code {row['event_code']} does not exist")
-        
+        except Exception as e:
+            print(f'Error creating entry: {str(e)}')
+            raise ValidationError(f"Failed to create entry: {str(e)}")