diff --git a/components/modal/Modal.tsx b/components/modal/Modal.tsx
index 6f2059c5..e6359cea 100644
--- a/components/modal/Modal.tsx
+++ b/components/modal/Modal.tsx
@@ -27,7 +27,7 @@ export interface ModalProps
   style?: StyleProp<ViewStyle>
   bodyStyle?: StyleProp<ViewStyle>
   onRequestClose?: CallbackOnBackHandler
-  children: React.ReactNode
+  children?: React.ReactNode
 }
 
 class AntmModal extends React.Component<ModalProps, any> {
diff --git a/components/wing-blank/index.tsx b/components/wing-blank/index.tsx
index 8098ca44..df86952f 100644
--- a/components/wing-blank/index.tsx
+++ b/components/wing-blank/index.tsx
@@ -5,7 +5,7 @@ import { WithTheme } from '../style'
 export interface WingBlankProps {
   style?: StyleProp<ViewStyle>
   size?: 'sm' | 'md' | 'lg'
-  children: React.ReactNode
+  children?: React.ReactNode
 }
 class WingBlank extends React.Component<WingBlankProps, any> {
   static defaultProps = {