Thanks for your suggestionsMona and Mom
My son's date was different as well but his application was return from Chicago Lockbox, that's why he got a different date. I call the USCIS to ask them that is okay to go with our son for the biometrics. They say some offices can do it if it's not busy. We went with him for a walk in and they did it without any hassle.
I think you should go with your husband or call first just to explain the situation.
Today was my husband's biometrics appointment. I went with him and they did it for me regardless the date on my letter which was feb 5th. It was busy there actually but they said that's ok. So i just wanted to suggest anyone with same issue to just walk in to application center with your spouse and try to do your biometrics at the same time. Don't panic if you have different date on your letter.