[Feature]:Some credential variable values can be overridden through environment variables

[zhuwenxing]

Is your feature request related to a problem? Please describe.

Currently, some encryption keys must be written in plain text in YAML files, which poses a risk of leakage

Describe the solution you'd like.

For some credentials, you can override them by reading environment variables.

Describe an alternate solution.

No response

Anything else? (Additional Context)

No response