Where is the front desk of building B in Beishan

In the lobby on the first floor of Building B, in the game "Breakthrough in the Dark Zone", there is a breakout task of Beishan Hotel. The front desk of the hotel is located in the lobby on the first floor of Block B of Beishan Hotel. Find the key at the front desk to complete the task, and then drive a map of Beishan in the car. "Dark Zone Breakthrough" is a high-fidelity hard-core shooting mobile game developed by Tencent Rubik's Cube Studio Group.