Thanks, Mattias.

For library application, Type.GetTypeFromCLSID return System.__ComObject
instead of object name. After that, Activator.CreateInstance throws an
exception:
{"Retrieving the COM class factory for remote component with CLSID {} from
machine <ServerName> failed due to the following error: 80040154."}

From Microsoft: https://msdn2.microsoft.com/en-us/library/y76yy1s2.aspx

"Return Value
System.__ComObject regardless of whether the CLSID is valid. "

Would you give some advice for this issue?

Thanks,
-Andrew