when i use node-content-renderer to Override the default component has a style problem

when i use the node-content-render to override the default component.
use the code like this
`
!node.dragDisabled}
canDrop={({nextParent}) => !nextParent || nextParent.isDirectory}
nodeContentRenderer = {FileThemeNodeContentRenderer}
generateNodeProps={rowInfo => ({
icons: rowInfo.node.isDirectory
? [
foldImg(rowInfo.node.expanded)
]
: [

,
],
buttons: [
alertNodeInfo(rowInfo)}
>
i

,
],
})}
/>
`
and has the style problem.
please tell me it's right way to override the file-explorer component?
please write back soon...it's emergency...