Hello, please troubleshoot according to the following situations:

1. When the ceiling layer is not visible in the 3D top-down view, it needs to be viewed in the 3D bottom-up view or roaming view;

2. If there is no ceiling layer in the roaming view either, you can check the display -- tick to display the ceiling layer;

3. If the walls are not closed or connected properly, there will be no ceiling. You need to check the wall problems in the 2D view.

4. 5 plus version The ceiling of the space information is closed; Click the original ground -- Space information on the right -- Click to open the ceiling (If the ground is customized, hide the customization first and then click the original ground).