diff --git a/components/form/demo/validate-customized.md b/components/form/demo/validate-customized.md
deleted file mode 100644
index 9f1b3a46a..000000000
--- a/components/form/demo/validate-customized.md
+++ /dev/null
@@ -1,239 +0,0 @@
----
-order: 13
-title:
-  zh-CN: 自定义校验规则
-  en-US: Customized validation
----
-
-## zh-CN
-
-密码校验实例。
-
-这里使用了 `this.props.form.validateFields` 方法，在对第一次输入的密码进行校验时会触发二次密码的校验。
-
-## en-US
-
-Customized validation for Password.
-
-To use `this.props.form.validateFields` method, when validating first password you enter will trigger the second password validation.
-
-````jsx
-import { Button, Form, Input, Row, Col } from 'antd';
-import classNames from 'classnames';
-const createForm = Form.create;
-const FormItem = Form.Item;
-
-function noop() {
-  return false;
-}
-
-let Demo = React.createClass({
-  getInitialState() {
-    return {
-      dirty: false,
-      passBarShow: false, // Whether to display a tooltip of password strength
-      rePassBarShow: false,
-      passStrength: 'L', // Password strength
-      rePassStrength: 'L',
-    };
-  },
-
-  handleSubmit() {
-    this.props.form.validateFields((errors, values) => {
-      if (errors) {
-        console.log('Errors in form!!!');
-        return;
-      }
-      console.log('Submit!!!');
-      console.log(values);
-    });
-  },
-
-  getPassStrenth(value, type) {
-    if (value) {
-      let strength;
-      // Customized the password strength, here is just a simple example
-      if (value.length < 6) {
-        strength = 'L';
-      } else if (value.length <= 9) {
-        strength = 'M';
-      } else {
-        strength = 'H';
-      }
-      this.setState({
-        [`${type}BarShow`]: true,
-        [`${type}Strength`]: strength,
-      });
-    } else {
-      this.setState({
-        [`${type}BarShow`]: false,
-      });
-    }
-  },
-
-  checkPass(rule, value, callback) {
-    const form = this.props.form;
-    this.getPassStrenth(value, 'pass');
-
-    if (form.getFieldValue('pass') && this.state.dirty) {
-      form.validateFields(['rePass'], { force: true });
-    }
-
-    callback();
-  },
-
-  checkPass2(rule, value, callback) {
-    const form = this.props.form;
-    this.getPassStrenth(value, 'rePass');
-
-    if (value && value !== form.getFieldValue('pass')) {
-      callback('Two passwords you enter is inconsistent!');
-    } else {
-      callback();
-    }
-  },
-
-  renderPassStrengthBar(type) {
-    const strength = type === 'pass' ? this.state.passStrength : this.state.rePassStrength;
-    const classSet = classNames({
-      'ant-pwd-strength': true,
-      'ant-pwd-strength-low': strength === 'L',
-      'ant-pwd-strength-medium': strength === 'M',
-      'ant-pwd-strength-high': strength === 'H',
-    });
-    const level = {
-      L: 'Low',
-      M: 'Middle',
-      H: 'High',
-    };
-
-    return (
-      <div>
-        <ul className={classSet}>
-          <li className="ant-pwd-strength-item ant-pwd-strength-item-1" />
-          <li className="ant-pwd-strength-item ant-pwd-strength-item-2" />
-          <li className="ant-pwd-strength-item ant-pwd-strength-item-3" />
-          <span className="ant-form-text">
-            {level[strength]}
-          </span>
-        </ul>
-      </div>
-    );
-  },
-
-  render() {
-    const { getFieldDecorator } = this.props.form;
-    return (
-      <div>
-        <Form vertical style={{ maxWidth: 600 }}>
-          <Row type="flex" align="middle">
-            <Col span={12}>
-              <FormItem label="Password">
-                {getFieldDecorator('pass', {
-                  rules: [
-                    { required: true, whitespace: true, message: 'Please enter your password' },
-                    { validator: this.checkPass },
-                  ],
-                })(
-                  <Input type="password"
-                    onContextMenu={noop} onPaste={noop} onCopy={noop} onCut={noop}
-                    autoComplete="off" id="pass"
-                    onChange={(e) => {
-                      console.log('Your password is stolen in this way', e.target.value);
-                    }}
-                    onBlur={(e) => {
-                      const value = e.target.value;
-                      this.setState({ dirty: this.state.dirty || !!value });
-                    }}
-                  />
-                )}
-              </FormItem>
-            </Col>
-            <Col span={12}>
-              {this.state.passBarShow ? this.renderPassStrengthBar('pass') : null}
-            </Col>
-          </Row>
-          <Row type="flex" align="middle">
-            <Col span={12}>
-              <FormItem label="Confirm">
-                {getFieldDecorator('rePass', {
-                  rules: [{
-                    required: true,
-                    whitespace: true,
-                    message: 'Please confirm your password',
-                  }, {
-                    validator: this.checkPass2,
-                  }],
-                })(
-                  <Input type="password"
-                    onContextMenu={noop} onPaste={noop} onCopy={noop} onCut={noop}
-                    autoComplete="off" id="rePass"
-                  />
-                )}
-              </FormItem>
-            </Col>
-            <Col span={12}>
-              {this.state.rePassBarShow ? this.renderPassStrengthBar('rePass') : null}
-            </Col>
-          </Row>
-          <FormItem><Button type="primary" onClick={this.handleSubmit}>Submit</Button></FormItem>
-        </Form>
-      </div>
-    );
-  },
-});
-
-Demo = createForm()(Demo);
-
-ReactDOM.render(<Demo />, mountNode);
-````
-
-````css
-.ant-pwd-strength {
-  display: inline-block;
-  margin-left: 8px;
-  line-height: 32px;
-  height: 32px;
-  vertical-align: middle;
-}
-
-.ant-pwd-strength-item {
-  float: left;
-  margin-right: 1px;
-  margin-top: 12px;
-  width: 19px;
-  height: 8px;
-  line-height: 8px;
-  list-style: none;
-  background-color: #f3f3f3;
-  transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
-}
-
-.ant-pwd-strength-item-1 {
-  border-top-left-radius: 6px;
-  border-bottom-left-radius: 6px;
-}
-
-.ant-pwd-strength-item-2 {
-  width: 20px;
-}
-
-.ant-pwd-strength-item-3 {
-  border-top-right-radius: 6px;
-  border-bottom-right-radius: 6px;
-  margin-right: 8px;
-}
-
-.ant-pwd-strength-low .ant-pwd-strength-item-1, .ant-pwd-strength-medium .ant-pwd-strength-item-1, .ant-pwd-strength-high .ant-pwd-strength-item-1 {
-  background-color: #FAC450;
-}
-
-.ant-pwd-strength-medium .ant-pwd-strength-item-2, .ant-pwd-strength-high .ant-pwd-strength-item-2 {
-  background-color: rgba(135, 208, 104, .6);
-  filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#9987D068,endColorstr=#9987D068);
-}
-
-.ant-pwd-strength-high .ant-pwd-strength-item-3 {
-  background-color: #87D068;
-}
-````
diff --git a/components/slider/style/index.less b/components/slider/style/index.less
index 572158661..55770379b 100644
--- a/components/slider/style/index.less
+++ b/components/slider/style/index.less
@@ -91,7 +91,6 @@
     position: absolute;
     width: 100%;
     height: 4px;
-    margin: 5px 0;
     background: transparent;
     z-index: 1;
   }