diff --git a/README.md b/README.md
index 756ce45..98b0739 100644
--- a/README.md
+++ b/README.md
@@ -142,6 +142,12 @@ React.render(<Rcslider />, container);
           <td>''</td>
           <td>Set the animation for tooltip if it shows.</td>
         </tr>
+        <tr>
+          <td>withDots</td>
+          <td>bool</td>
+          <td>false</td>
+          <td>For linear slider, when the `step` value is greater than 1, you can set the `withDots` to  `true` if you want to render the slider bar with dots.</td>
+        </tr>
     </tbody>
 </table>
 
diff --git a/assets/index.less b/assets/index.less
index 4762927..56333a5 100644
--- a/assets/index.less
+++ b/assets/index.less
@@ -121,13 +121,13 @@
       background-color: @disabledColor;
     }
 
-    .@{prefixClass}-handle {
+    .@{prefixClass}-handle, .@{prefixClass}-dot {
       border-color: @disabledColor;
       background-color: #fff;
       cursor: not-allowed;
     }
 
-    .@{prefixClass}-mark-text, .dot {
+    .@{prefixClass}-mark-text, .@{prefixClass}-dot {
       cursor: not-allowed!important;
     }
   }
@@ -240,4 +240,4 @@
     transform-origin: 50% 100%;
     transform: scale(0, 0);
   }
-}
\ No newline at end of file
+}
diff --git a/examples/simple.js b/examples/simple.js
index af1c84f..a375adf 100644
--- a/examples/simple.js
+++ b/examples/simple.js
@@ -10,5 +10,6 @@ function onChange(v){
 }
 
 // React.render(<div style={{width:400,margin:100}}><Slider marks={["一","二","三","四","五"]} defaultIndex={2} /></div>, document.getElementById('__react-content'));
+// React.render(<div style={{width:400,margin:100}}><Slider withDots className='rc-slider' step={20}/></div>, document.getElementById('__react-content'));
 // React.render(<div style={{width:400,margin:100}}><Slider className='rc-slider' step={20}/></div>, document.getElementById('__react-content'));
 React.render(<div style={{width:400,margin:100}}><Slider onChange={onChange}  tipTransitionName='rc-slider-tooltip-zoom-down'/></div>, document.getElementById('__react-content'));
diff --git a/package.json b/package.json
index c45786c..da4079a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "rc-slider",
-  "version": "1.5.0",
+  "version": "1.5.1",
   "description": "slider ui component for react",
   "keywords": [
     "react",
diff --git a/src/Slider.jsx b/src/Slider.jsx
index 9a74914..cb1d452 100644
--- a/src/Slider.jsx
+++ b/src/Slider.jsx
@@ -57,6 +57,7 @@ const Slider = React.createClass({
     onChange: React.PropTypes.func,
     onAfterChange: React.PropTypes.func,
     tipTransitionName: React.PropTypes.string,
+    withDots: React.PropTypes.bool,
   },
 
   getDefaultProps() {
@@ -72,6 +73,7 @@ const Slider = React.createClass({
       disabled: false,
       defaultIndex: 0,
       tipTransitionName: '',
+      withDots: false,
     };
   },
 
@@ -208,37 +210,43 @@ const Slider = React.createClass({
   renderSteps() {
     const props = this.props;
     const marksLen = props.marks.length;
-    const stepNum = marksLen > 0 ? marksLen : Math.floor((props.max - props.min) / props.step) + 1;
-    const unit = 100 / (stepNum - 1);
+    const withDots = props.withDots;
 
-    const prefixCls = props.prefixCls;
-    const stepClassName = prefixClsFn(prefixCls, 'step');
+    if (marksLen || withDots) {
+      const stepNum = marksLen ? marksLen : Math.floor((props.max - props.min) / props.step) + 1;
+      const unit = 100 / (stepNum - 1);
 
-    const elements = [];
-    for (let i = 0; i < stepNum; i++) {
-      const offset = unit * i + '%';
-      const style = {
-        left: offset,
-      };
-      let className = prefixClsFn(prefixCls, 'dot');
-      if (props.isIncluded) {
-        if (i <= this.getIndex()) {
-          className = prefixClsFn(prefixCls, 'dot', 'dot-active');
+      const prefixCls = props.prefixCls;
+      const stepClassName = prefixClsFn(prefixCls, 'step');
+
+      const elements = [];
+      for (let i = 0; i < stepNum; i++) {
+        const offset = unit * i + '%';
+        const style = {
+          left: offset,
+        };
+        let className = prefixClsFn(prefixCls, 'dot');
+        if (props.isIncluded) {
+          if (i <= this.getIndex()) {
+            className = prefixClsFn(prefixCls, 'dot', 'dot-active');
+          }
+        } else {
+          className = (i === this.getIndex()) ? prefixClsFn(prefixCls, 'dot', 'dot-active') : className;
         }
-      } else {
-        className = (i === this.getIndex()) ? prefixClsFn(prefixCls, 'dot', 'dot-active') : className;
+
+        elements[i] = (
+          <span className={className} style={style} ref={'step' + i} key={'step' + i}></span>
+        );
       }
 
-      elements[i] = (
-        <span className={className} style={style} ref={'step' + i} key={'step' + i}></span>
+      return (
+        <div className={stepClassName}>
+          {elements}
+        </div>
       );
     }
 
-    return (
-      <div className={stepClassName}>
-        {elements}
-      </div>
-    );
+    return null;
   },
 
   renderMark(i) {
diff --git a/tests/index.spec.js b/tests/index.spec.js
index 1e44888..1ea2b4a 100644
--- a/tests/index.spec.js
+++ b/tests/index.spec.js
@@ -39,8 +39,14 @@ describe('rc-slider', function () {
     expect(node.find('.rc-slider').length).to.be(1);
     expect(node.find('.rc-slider-handle').length).to.be(1);
     expect(node.find('.rc-slider-track').length).to.be(1);
-    expect(node.find('.rc-slider-dot').length).to.be(6);
     expect(slider.state.value).to.be(0);
+
+    var sliderWithDots = React.render(
+      <Slider className='rc-slider' step={20} withDots/>,
+      div
+    );
+    var node1 = $(div);
+    expect(node1.find('.rc-slider-dot').length).to.be(6);
   });
 
   it('should render a slider with marks correctly!', function () {
@@ -64,7 +70,7 @@ describe('rc-slider', function () {
   //     div
   //   );
   //   var selectedStep = slider.refs.step3.getDOMNode();
-    
+
   //   Simulate.mouseDown(selectedStep);
 
   //   setTimeout( function() {