Update shell scripts

[KeithTt]

Proposed changes

Issue Number: https://github.com/apache/doris/discussions/9163

Problem Summary:

Update the start and stop scripts.

Checklist(Required)

1. Does it affect the original behavior: No
2. Has unit tests been added: No Need
3. Has document been added or modified: No Need
4. Does it need to update dependencies: No
5. Are there any changes that cannot be rolled back: No

[KeithTt]

I find the default log path is not fixed, it is just the current working directory, but I do not know how to change it.