curl --location --request POST '/api/oauth/token' \
--data-urlencode 'grant_type=password' \
--data-urlencode 'username=admin' \
--data-urlencode 'password=123456' \
--data-urlencode 'refresh_token='
{
"access_token": "string",
"token_type": "string",
"expires_in": 0,
"refresh_token": "string"
}