Your Federal and State are two separate agencies.  Each issue refunds on their time line.  You should get a letter from the IRS explaining the change they made to your return which resulted in a lower refund.  The letter will also give you information on what to do if you don't agree.

For your State refund, you need to check your State's website.  See the following:

How do I track my state refund?

https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-refund/track-state-refund/L3jgO8PGs_...