style: 优化应用升级文件对比样式

[zhengkunwang223]

No description provided.

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[wanghe-fit2cloud]

/lgtm

[wanghe-fit2cloud]

/approve

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