Hi， I applied and ran the code successfully, but the result is not quite right, the loss does not drop, can you help me to see where is the problem. Thanks!

I ran the code by bash run.sh
Here is the log:
https://drive.google.com/file/d/1FWhq-eu_RcWYFtIFQlu8e05Jc9saOQKE/view?usp=sharing