fix: [python] output can not display immediately

[LiHua000]

Log: as title

bug: https://pms.uniontech.com/bug-view-267551.html

[deepin-ci-robot]

deepin pr auto review

关键摘要:

• 在修改后的代码中添加了-u参数，但未提供参数的含义说明，可能会导致使用该插件的开发者不清楚其作用。
• 未对runFilePath进行任何形式的验证或清理，直接将其作为参数传递，可能存在安全风险。

是否建议立即修改:

• 是

[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: Kakueeen, LiHua000
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