Are you sure your wallet doesn't sync? I know the question may sound silly, but it's a very slow process because of the amount of data that needs to be retrieved. The amount of data you need to download is over 240 gigabytes, and the download time depends primarily on the speed of your internet connection, though not exclusively about it.
I suggest you read this
article, and particularly pay attention on
Check wallet connection and add nodes, but to all other advices.
I don't know if you have any particular reason to use this wallet, as there are alternative solutions that do not require downloading the entire blockchain.