diff --git a/components/slider/index.tsx b/components/slider/index.tsx
index 0b7218de501c..32f5addb2764 100644
--- a/components/slider/index.tsx
+++ b/components/slider/index.tsx
@@ -30,6 +30,8 @@ export interface SliderProps {
   onChange?: (value: SliderValue) => void;
   onAfterChange?: (value: SliderValue) => void;
   tipFormatter?: void | ((value: number) => React.ReactNode);
+  className?: string;
+  id?: string;
 }
 
 export default class Slider extends React.Component<SliderProps, any> {