indoorMap是不是也应该继承Event？

现在indoorMap.on会报错；
<img width="545" alt="image" src="https://github.com/user-attachments/assets/22a3ef40-a79f-4e38-89f6-8dc31f89fbcf">
就差这一点
<img width="547" alt="image" src="https://github.com/user-attachments/assets/ee8bd2c6-1e6e-4796-84eb-c4bbd869e85f">

