예외 처리

<https://yologa.dobugs.co.kr/?code=4%2F0AWgavdflc_48ktcFK1xocDAknN7mICm1Ay3emxgi1zdW5TWu1pCzRFFsVmPDqT9dVs-R0w&scope=email+profile+openid+https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fuserinfo.email+https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fuserinfo.profile&authuser=0&prompt=consent>
<https://yologa.dobugs.co.kr/?code=4HCW2ba83Qg2FCvLj0nilTdm7s5GCuNifOAWP9IdtPXjEttIRxcBf2I6XEKtPCTy7slhyQorDKgAAAGFylQcVw>