diff --git a/components/affix/index.tsx b/components/affix/index.tsx
index dd6d36510a..09bc9cb9e8 100644
--- a/components/affix/index.tsx
+++ b/components/affix/index.tsx
@@ -138,12 +138,12 @@ export default class Affix extends React.Component<AffixProps, any> {
     const targetRect = getTargetRect(targetNode);
     const targetInnerHeight =
       (targetNode as Window).innerHeight || (targetNode as HTMLElement).clientHeight;
-    if (scrollTop > elemOffset.top - offsetTop && offsetMode.top) {
+    if (scrollTop > elemOffset.top - (offsetTop as number) && offsetMode.top) {
       // Fixed Top
       const width = elemOffset.width;
       this.setAffixStyle(e, {
         position: 'fixed',
-        top: targetRect.top + offsetTop,
+        top: targetRect.top + (offsetTop as number),
         left: targetRect.left + elemOffset.left,
         width,
       });
@@ -152,7 +152,7 @@ export default class Affix extends React.Component<AffixProps, any> {
         height: affixNode.offsetHeight,
       });
     } else if (
-      scrollTop < elemOffset.top + elemSize.height + offsetBottom - targetInnerHeight &&
+      scrollTop < elemOffset.top + elemSize.height + (offsetBottom as number) - targetInnerHeight &&
         offsetMode.bottom
     ) {
       // Fixed Bottom
@@ -160,7 +160,7 @@ export default class Affix extends React.Component<AffixProps, any> {
       const width = elemOffset.width;
       this.setAffixStyle(e, {
         position: 'fixed',
-        bottom: targetBottomOffet + offsetBottom,
+        bottom: targetBottomOffet + (offsetBottom as number),
         left: targetRect.left + elemOffset.left,
         width,
       });
diff --git a/components/back-top/index.tsx b/components/back-top/index.tsx
index 6d7fd0702b..8dad273f2f 100755
--- a/components/back-top/index.tsx
+++ b/components/back-top/index.tsx
@@ -82,7 +82,7 @@ export default class BackTop extends React.Component<BackTopProps, any> {
     const { visibilityHeight, target = getDefaultTarget } = this.props;
     const scrollTop = getScroll(target(), true);
     this.setState({
-      visible: scrollTop > visibilityHeight,
+      visible: scrollTop > (visibilityHeight as number),
     });
   }
 
diff --git a/components/badge/index.tsx b/components/badge/index.tsx
index fba7e96de5..2f01d2ab40 100644
--- a/components/badge/index.tsx
+++ b/components/badge/index.tsx
@@ -53,7 +53,7 @@ export default class Badge extends React.Component<BadgeProps, any> {
       ...restProps,
     } = this.props;
     const isDot = dot || status;
-    let displayCount = count > overflowCount ? `${overflowCount}+` : count;
+    let displayCount = count > (overflowCount as number) ? `${overflowCount}+` : count;
     // dot mode don't need count
     if (isDot) {
       displayCount = '';
diff --git a/components/calendar/Header.tsx b/components/calendar/Header.tsx
index 9fffa57ae1..88d19f576a 100644
--- a/components/calendar/Header.tsx
+++ b/components/calendar/Header.tsx
@@ -26,8 +26,8 @@ export default class Header extends React.Component<HeaderProps, any> {
 
   getYearSelectElement(year) {
     const { yearSelectOffset, yearSelectTotal, locale, prefixCls, fullscreen } = this.props;
-    const start = year - yearSelectOffset;
-    const end = start + yearSelectTotal;
+    const start = year - (yearSelectOffset as number);
+    const end = start + (yearSelectTotal as number);
     const suffix = locale.year === '年' ? '年' : '';
 
     const options: React.ReactElement<any>[] = [];
diff --git a/components/grid/row.tsx b/components/grid/row.tsx
index c78d79d646..d0c7cc0fc4 100644
--- a/components/grid/row.tsx
+++ b/components/grid/row.tsx
@@ -17,6 +17,7 @@ export default class Row extends React.Component<RowProps, any> {
   static defaultProps = {
     gutter: 0,
   };
+
   static propTypes = {
     type: React.PropTypes.string,
     align: React.PropTypes.string,
@@ -27,16 +28,17 @@ export default class Row extends React.Component<RowProps, any> {
     prefixCls: React.PropTypes.string,
   };
   render() {
-    const { type, justify, align, className, gutter, style, children, prefixCls = 'ant-row', ...others } = this.props;
+    const { type, justify, align, className, gutter, style, children,
+      prefixCls = 'ant-row', ...others } = this.props;
     const classes = classNames({
       [prefixCls]: !type,
       [`${prefixCls}-${type}`]: type,
       [`${prefixCls}-${type}-${justify}`]: type && justify,
       [`${prefixCls}-${type}-${align}`]: type && align,
     }, className);
-    const rowStyle = gutter > 0 ? assign({}, {
-      marginLeft: gutter / -2,
-      marginRight: gutter / -2,
+    const rowStyle = (gutter as number) > 0 ? assign({}, {
+      marginLeft: (gutter as number) / -2,
+      marginRight: (gutter as number) / -2,
     }, style) : style;
     const cols = Children.map(children, (col: React.ReactElement<any>) => {
       if (!col) {
@@ -44,9 +46,9 @@ export default class Row extends React.Component<RowProps, any> {
       }
       if (col.props) {
         return cloneElement(col, {
-          style: gutter > 0 ? assign({}, {
-            paddingLeft: gutter / 2,
-            paddingRight: gutter / 2,
+          style: (gutter as number) > 0 ? assign({}, {
+            paddingLeft: (gutter as number) / 2,
+            paddingRight: (gutter as number) / 2,
           }, col.props.style) : col.props.style,
         });
       }
diff --git a/components/input/Search.tsx b/components/input/Search.tsx
index d88ce7cc79..5973d89f1d 100644
--- a/components/input/Search.tsx
+++ b/components/input/Search.tsx
@@ -32,7 +32,7 @@ export default class Search extends React.Component<SearchProps, any> {
   }
   render() {
     const { className, prefixCls, ...others } = this.props;
-    delete others.onSearch;
+    delete (others as any).onSearch;
     const searchSuffix = (
       <Icon
         className={`${prefixCls}-icon`}
diff --git a/components/mention/index.tsx b/components/mention/index.tsx
index 1523c91231..16645c2e2b 100644
--- a/components/mention/index.tsx
+++ b/components/mention/index.tsx
@@ -6,13 +6,13 @@ import Icon from '../icon';
 
 export interface MentionProps {
   prefixCls: string;
-  suggestionStyle?: Object;
+  suggestionStyle?: React.CSSProperties;
   suggestions?: Array<any>;
   onSearchChange?: Function;
   onChange?: Function;
   notFoundContent?: any;
   loading?: Boolean;
-  style?: Object;
+  style?: React.CSSProperties;
   defaultValue?: any;
   value?: any;
   className?: string;
diff --git a/components/pagination/Pagination.tsx b/components/pagination/Pagination.tsx
index 33f82e387c..45738e7dac 100644
--- a/components/pagination/Pagination.tsx
+++ b/components/pagination/Pagination.tsx
@@ -28,7 +28,7 @@ export interface PaginationProps {
   /** 当为「small」时，是小尺寸分页 */
   size?: string;
   /** 当添加该属性时，显示为简单分页*/
-  simple?: Object;
+  simple?: boolean;
   /** 用于显示总共有多少条数据*/
   showTotal?: (total: number) => React.ReactNode;
   style?: React.CSSProperties;
diff --git a/components/pagination/index.en-US.md b/components/pagination/index.en-US.md
index 503c1c9acf..5d03c31bdb 100644
--- a/components/pagination/index.en-US.md
+++ b/components/pagination/index.en-US.md
@@ -31,5 +31,5 @@ pageSizeOptions | specify the sizeChanger selections | string[] | ['10', '20', '
 onShowSizeChange | a callback function, can be executed when `pageSize` is changing | Function(current, size) | noop
 showQuickJumper | determine whether you can jump to a page directly | boolean | false
 size | specify the size of `Pagination`, can be set to `small` | string | ""
-simple | whether to use simple mode | object | -
+simple | whether to use simple mode | boolean | -
 showTotal | to display the total number and range | Function(total, range) | -
diff --git a/components/pagination/index.zh-CN.md b/components/pagination/index.zh-CN.md
index a5c676ee63..7ce249f146 100644
--- a/components/pagination/index.zh-CN.md
+++ b/components/pagination/index.zh-CN.md
@@ -32,5 +32,5 @@ cols: 1
 | onShowSizeChange | pageSize 变化的回调                | Function(current, size)      | noop                     |
 | showQuickJumper  | 是否可以快速跳转至某页             | boolean         | false                    |
 | size             | 当为「small」时，是小尺寸分页      | string        | ""                       |
-| simple           | 当添加该属性时，显示为简单分页     | object        | -                       |
+| simple           | 当添加该属性时，显示为简单分页     | boolean        | -                       |
 | showTotal        | 用于显示数据总量和当前数据顺序     | Function(total, range) | -              |
diff --git a/components/tag/CheckableTag.tsx b/components/tag/CheckableTag.tsx
index edd8a35060..6a9b607a9c 100644
--- a/components/tag/CheckableTag.tsx
+++ b/components/tag/CheckableTag.tsx
@@ -22,7 +22,7 @@ export default class CheckableTag extends React.Component<CheckableTagProps, any
       [`${prefixCls}-checkable-checked`]: checked,
     }, className);
 
-    delete restProps.onChange; // TypeScript cannot check delete now.
+    delete (restProps as any).onChange; // TypeScript cannot check delete now.
     return <div {...restProps as any} className={cls} onClick={this.handleClick} />;
   }
 }
diff --git a/package.json b/package.json
index d74a198910..d5565b631c 100644
--- a/package.json
+++ b/package.json
@@ -78,7 +78,7 @@
     "@types/react": "^15.0.8",
     "@types/react-dom": "~0.14.18",
     "antd-demo-jest": "^1.0.5",
-    "antd-tools": "~0.16.0",
+    "antd-tools": "~0.18.0",
     "babel-cli": "^6.18.0",
     "babel-eslint": "^7.1.0",
     "babel-jest": "^17.0.0",
@@ -133,7 +133,7 @@
     "rimraf": "^2.5.4",
     "stylelint": "^7.8.0",
     "stylelint-config-standard": "^16.0.0",
-    "typescript": "~2.1.6",
+    "typescript": "~2.2.1",
     "typescript-babel-jest": "^0.1.5",
     "values.js": "^1.0.3",
     "xhr2": "^0.1.3"