Linlang

This solution is for the windows command prompt (cmd) and after my testing it works and I'm still using it normally. If you are using WSL, I'm guessing it would...

Yes, you are right, it depends on the configuration of the ip proxy.

The data obtained using `qlib.run.get_data` is the data prepared by qlib team, the last time of the data is 2020-09-25. I would like to know, which command are you getting...

I recently changed the `update_data_to_bin` functionality in [PR1641](https://github.com/microsoft/qlib/pull/1641), this PR is currently merge,you can pull the latest code and try again.

Yahoo no longer serves Chinese customers, if you want to get yahoo data, using `VPN` is a good way, I am using windows system, set the `proxy ip` and `proxy...

You are right, use the command: `python scripts/get_data.py qlib_data --target_dir ~/qlib_data/cn_data --region cn` downloaded the data, the latest date of this data is 2020-09-25, is because this data is pre-prepared...

After my tests I didn't find the same problem, I suggest you to create a fresh virtual environment with conda, then install qlib and try to run workflow_by_code.py again.

Thank you for submitting pull requests, after testing found that the current code can't fetch the data successfully, the code in the collection of `_get_symbol` method should yahoo's specification, but...

Thanks for raising the issue, we've fixed it in [PR 1812](https://github.com/microsoft/qlib/pull/1812).

This problem is caused by the fact that the machine you are using has too little memory. After testing, running `benchmarks/LightGBM/workflow_config_lightgbm_Alpha158.yaml` requires about 3.5MiB of RAM, make sure you have...