async await 同步方法调用异步方法死锁

 1 public void Check(){
　　　　　　　　　　　//todo
 2                 //验证userid和token是否匹配
 3                 var tUserId = UserIdAndTokenValidationAsync(userId, at.UserId);
 4                 //验证参数签名是否正确
 5                 Task<bool> tvalid = CheckSignatureAsync(paramList, signature, at.Token);
 6                 //验证请求时间
 7                 Task<bool> tTicks = TicksValidationAsync(signature, timestamp);
 8 
 9                 bool userIdRes = tUserId.GetAwaiter().GetResult();
10                 bool validRes = tvalid.GetAwaiter().GetResult();
11                 bool ticksRes = tTicks.GetAwaiter().GetResult();
12 }

        public async Task<bool> UserIdAndTokenValidationAsync(int requsetUserId, int tokenUserId)
        {
            bool res = await Task.Factory.StartNew(() =>
            {
                return UserIdAndTokenValidation(requsetUserId, tokenUserId);
            }).ConfigureAwait(false);
            return res;
        }