fix: tab-item default value

[ShuaiGao]

Types of changes

• New feature
• Bug fix
• Documentation change
• Coding style change
• Refactoring
• Performance improvement
• Test cases
• Continuous integration
• Typescript definition change
• Breaking change

Background and context

Fresher encountered an error while starting the project and got stuck

Solution

set the default as object, not list

How is the change tested?

fix it and then the console err output disappear

Changelog

Changelog(CN)	Changelog(EN)	Related issues
fix: tab-item默认值	fix: tab-item default value	-

Checklist:

• Provide changelog for relevant changes (e.g. bug fixes and new features) if applicable.
• Changes are submitted to the appropriate branch (e.g. features should be submitted to feature branch and others should be submitted to master branch)

Other information