Yes, you do: you first prove it, and then freeze it until a short time after you submit your visa. Let the bank issue a certificate.

Then supplementary materials: explain the situation of your money in the last month, why you have saved so little time, for example, your property has been sold, you can prove it; Or, for example, stocks.

You have to understand why you want to save this money. The purpose is to make sure that your money is not borrowed temporarily, cheated temporarily, black money or groundless. Just prescribe the right medicine.

And provide some other financial materials, such as real estate with your name, or proof of car purchase, or stock futures. Prove your money is nothing. . . Not to get it.