It shouldn't affect your refund. She may still be your qualifying child as long as she didn't make more than you.
MY DEPENDENT HAD A JOB
If your dependent has a W-2 for his after-school job, summer job, etc. you do not include the information on your own return. You can still claim your child as a dependent on your own return. He/she can file his own return for a refund of some of his withheld wages (he won’t get back anything for Social Security or Medicare), but MUST indicate on it that he can be claimed as a dependent on someone else’s return. (Supervise this closely or prepare it for him!)
If your dependent’s earnings were over $400 and were reported on a 1099Misc or 1099NEC then he must file a return and pay self-employment tax for Social Security and Medicare.
You might also want to use free software from the IRS Free File versions:
it's not that she works that affects your taxes. you have a dependent which may qualify you for certain tax creits that you would otherwise not get.
depending on the amount of her income she may have to file her own return. to do that with online you need to create a separate account for her with a unique user name but you can use the same e-mail adress.
see the filing requirements. both charts B and C
https://www.irs.gov/pub/irs-pdf/i1040gi.pdf
or you can check using the iRS wbsite
https://www.irs.gov/help/ita/do-i-need-to-file-a-tax-return