[BUGFIX] Modify the logger to avoid files occupying a long time

[daaitudian]

Description

Modify the logger to avoid files occupying a long time. Writing log in the file, the file will always be occupied. This PR can avoid this problem

Checklist

Essentials

• [x] PR's title starts with a category (e.g. [BUGFIX], [MODEL], [TUTORIAL], [FEATURE], [DOC], etc)
• [x] Changes are complete (i.e. I finished coding on this PR)
• [ ] All changes have test coverage
• [ ] Code is well-documented

[mxnet-bot]

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[daaitudian]

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[daaitudian]

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[daaitudian]

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[daaitudian]

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