Hi, my tax was accepted and I should receive my money on 03\03\21, but I didn't receive my money yet, why? Can someone help me, please?

Is this the information from the IRS WMR site?

Have you checked with your bank?  It can take a few days to post to your account. 

Also, to check your e-filing status and/or track your refund/obtain more details, please see the link here.  

I want to change my banking is it too late

If you have already e-filed, you will not be able to update your payment information. 

To update your account/payment information, please see the Help Article here.