Issue while running the ev-demo

I got these issues when running the ev-demo:
1) The user-provided path wd/model/d2bluyn0qkfmv60dj32zuycaom7ygnwa does not exist.
2) 
![er](https://user-images.githubusercontent.com/23439878/233354972-64fa54ee-bd80-4d14-9036-583535fe57ef.png)

3) 
![err](https://user-images.githubusercontent.com/23439878/233355073-3ab3c273-1dd5-47ec-93d7-90b7b3587f02.png)
