The operating instructions advise against this. https://www.china-gadgets.de/dreame-w10...

As mentioned, the manufacturer advises against it. So I wouldn't add a normal cleaning agent.
But I use the Kärcher cleaner for their mops without any problems. You only need a minimum amount as an additive. There are different types depending on the floor.
I use this for the combination sealed parquet and stone/tile:
Kärcher RM 536 (1 part)