1. Check the network connection: make sure the network connection is normal. You can try to visit other websites or applications to confirm whether the network is unblocked.
2. Clear the browser cache: Sometimes the browser cache will cause the page to fail to refresh normally. Try clearing the browser cache and reloading the management interface.
3. Use a different browser or device: Try using another browser or accessing the management interface from a different device to make sure that the problem is specific to the browser or device.
4. Check the software version and update: Make sure to use the latest version of cloud injection software and update the software in time.