Your situation may be that your trading software has not been upgraded. The trading software I use is separate "money fund" and "floor fund", and the mobile phone trading software is the same channel and is the "floor money fund".
On the day of listing, my trading software also had a net value of 1 yuan. I can't trade. I consulted the securities company and Huitianfu Fund Company, but it didn't help. Later, the securities company made it clear that it would upgrade its software.
The trading software of each company may be different. Please consult your securities account opening company for details.