diff --git a/components/checkbox/Checkbox.tsx b/components/checkbox/Checkbox.tsx
index 363aa5cb25..a047e112fa 100644
--- a/components/checkbox/Checkbox.tsx
+++ b/components/checkbox/Checkbox.tsx
@@ -17,6 +17,7 @@ export interface AbstractCheckboxProps {
   onMouseLeave?: React.MouseEventHandler<any>;
   value?: any;
   name?: string;
+  children?: React.ReactChild;
 }
 
 export interface CheckboxProps extends AbstractCheckboxProps {
diff --git a/components/locale-provider/index.tsx b/components/locale-provider/index.tsx
index ad6ca50ef5..657a783566 100644
--- a/components/locale-provider/index.tsx
+++ b/components/locale-provider/index.tsx
@@ -1,6 +1,6 @@
 import React from 'react';
 import PropTypes from 'prop-types';
-import { changeConfirmLocale } from '../modal/locale';
+import { ModalLocale, changeConfirmLocale } from '../modal/locale';
 
 export interface LocaleProviderProps {
   locale: {
@@ -9,7 +9,7 @@ export interface LocaleProviderProps {
     TimePicker?: Object,
     Calendar?: Object,
     Table?: Object,
-    Modal?: Object,
+    Modal?: ModalLocale,
     Popconfirm?: Object,
     Transfer?: Object,
     Select?: Object,
diff --git a/components/modal/locale.tsx b/components/modal/locale.tsx
index 1f8adaeac6..9e87d91cb1 100644
--- a/components/modal/locale.tsx
+++ b/components/modal/locale.tsx
@@ -1,14 +1,20 @@
-const defaultLocale = {
+export interface ModalLocale {
+  okText: string;
+  cancelText: string;
+  justOkText: string;
+}
+
+const defaultLocale: ModalLocale = {
   okText: '确定',
   cancelText: '取消',
   justOkText: '知道了',
 };
 
-let runtimeLocale = {
+let runtimeLocale: ModalLocale = {
   ...defaultLocale,
 };
 
-export function changeConfirmLocale(newLocale?: Object) {
+export function changeConfirmLocale(newLocale?: ModalLocale) {
   if (newLocale) {
     runtimeLocale = {
       ...runtimeLocale,
diff --git a/components/notification/index.tsx b/components/notification/index.tsx
index ee29789e2d..311a954be5 100755
--- a/components/notification/index.tsx
+++ b/components/notification/index.tsx
@@ -54,6 +54,7 @@ export interface ArgsProps {
   placement?: notificationPlacement;
   style?: string;
   className?: string;
+  type: string;
 }
 
 export interface ConfigProps {
diff --git a/components/radio/radioButton.tsx b/components/radio/radioButton.tsx
index 548c129097..efc5ed3666 100644
--- a/components/radio/radioButton.tsx
+++ b/components/radio/radioButton.tsx
@@ -15,7 +15,7 @@ export default class RadioButton extends React.Component<RadioButtonProps, any>
   };
 
   render() {
-    let radioProps: RadioButtonProps = { ...this.props };
+    const radioProps: RadioButtonProps = { ...this.props };
     if (this.context.radioGroup) {
       radioProps.onChange = this.context.radioGroup.onChange;
       radioProps.checked = this.props.value === this.context.radioGroup.value;