Issue:

The background color of the dynamic input box became black and cannot see anything, like the following gif:


Causes:

The reason for this problem is the style.zus file doesn't update when you install the 2018 SP2 version.


Solution:

Delete the current style.zus file and then restart ZWCAD.

The file is located in this path:

C:\Users\[username]\AppData\Roaming\ZWSOFT\ZWCAD\2018\en-US\Support