The problem of warpage: most of it is because the platform is not level, you can correct the platform according to the official website leveling video; 2. Hole problem: Hole perpendicular to the platform. This kind of hole is caused by liquid leakage on the screen, see 2K screen QA for details. 3. Some parts are inconsistent with the model: This situation is likely to be caused by the failure of the support. It is recommended to check whether the support of the model is in place.