According to the information you’ve provided, a Chinese rocket has crashed during a ground test due to an accidental launch. This must have been an unintended event and it’s likely that an investigation is underway to discover the cause of the issue. If you need more detailed information on this matter or updates on the aftermath, you should check the latest news reports. It’s very important to take safety measures in space science to avoid such incidents. It’s also crucial to handle these situations responsibly due to the potential for human injury or environmental impact.