update pay function

app_vx.py

@@ -1292,6 +1292,7 @@ def get_daily_kline(stock_code, event_datetime, stock_name):
                 'name': stock_name,
                 'data': kline_data,
                 'trade_date': event_datetime.date().strftime('%Y-%m-%d'),
+                'event_time': event_datetime.isoformat(),
                 'type': 'daily',
                 'is_history': True,
                 'data_count': len(kline_data)
@@ -4120,7 +4121,9 @@ def api_stock_detail(event_id, stock_code):
                 'event_info': {
                     'event_id': event.id,
                     'event_title': event.title,
-                    'event_description': event.description
+                    'event_description': event.description,
+                    'event_start_time': event.start_time.isoformat() if event.start_time else None,
+                    'event_created_at': event.created_at.strftime("%Y-%m-%d %H:%M:%S") if event.created_at else None
                 },
                 'basic_info': {
                     'stock_code': basic_info.SECCODE,