You should have waited for your NOA first before you refiled. Please go check your "My CRA account" to see the status of your tax return here https://bit.ly/2BPw41p

Alternately, please review the link below to ensure you have Netfiled your tax return:

How do I know if my return was filed using NETFILE and received by the CRA?https://turbotax.community.intuit.ca/replies/2864697

If needed, What is Refile? https://turbotax.community.intuit.ca/replies/3639538