duration({})插件不能将时间单位进行转换，只能无脑生成相应格式的时间字符串。

这种写法并不能够将时间进行转换。
下图为正确解决方法。![Uploading image.png…]()

Start from the duration({}) plugin entry point and reproduce the behavior described in the issue, using the linked screenshots as the expected-versus-current reference. Identify the plugin's existing tests, then add coverage showing that duration converts between time units rather than only producing a formatted string; done means the test passes with the expected converted value.

Written by the indexing model from the issue text.