Hello and welcome to Wefugees.
Thank you for your question.
From what I have heard, it is indeed not always so easy to get married in Germany as a refugee.
We answered a similar question a week ago, maybe you will find that answer helpful.
Also, there is a helpful summary about the process of marriage that you can find at our blog:
I hope to have helped you with this. If you have any further questions or are looking for advice, a registry office or similar in your area, we can help you with your question.
With best regards