Update README.md

Author: afc163

README.md

@@ -78,9 +78,9 @@ export default () => (
 | choiceTransitionName | css animation name for selected items at multiple mode | String | '' |
 | dropdownMatchSelectWidth | whether dropdown's width is same with select | bool | true |
 | dropdownClassName | additional className applied to dropdown | String | - |
-| dropdownStyle | additional style applied to dropdown | Object | {} |
-| dropdownAlign | additional align applied to dropdown | Object | {} |
-| dropdownMenuStyle | additional style applied to dropdown menu | Object | {} |
+| dropdownStyle | additional style applied to dropdown | React.CSSProperties | {} |
+| dropdownAlign | additional align applied to dropdown | [AlignType](https://github.com/react-component/trigger/blob/728d7e92394aa4b3214650f743fc47e1382dfa68/src/interface.ts#L25-L80) | {} |
+| dropdownMenuStyle | additional style applied to dropdown menu | Object | React.CSSProperties |
 | notFoundContent | specify content to show when no result matches. | ReactNode | 'Not Found' |
 | tokenSeparators | separator used to tokenize on tag/multiple mode | string[]? |  |
 | open | control select open | bool |  |