fix: preload options name shoule be the only required property

[colgin]

• [x] 提交符合commit规范
• [x] 文档更改
• [ ] 测试用例添加
• [x] npm run test通过

详细描述

name should be the only required prop in preloadApp, url should be optional. In this function, it will get the option by name, and merge the argurment to the default argument. So url is not needed for preloadApp

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