skywalking 8.7.0, page 'tracing' bug

[little-hang]

When enter in page 'tracing'， and then choose the follows conditions， bug happens

ps: the ui version---8.7.0

[wu-sheng]

Your version is old, the latest is 8.9.1. Also, new UI is being added in 9.0.
The community is not working on v8 anymore.