message: fix IconLogo
diff: @@ -149,7 +149,7 @@ class Demo extends React.Component {
  onCollapse={this.onCollapse}
  >
  <div className="logo">
  - <IconLogo className="img-icon-14 fishdicon" />
  + <Icon type="logo" className="img-icon-14 fishdicon" />
  {
  !this.state.collapsed ? <span className="logo-text">Fish Design</span> : null
  }
  @@ -266,7 +266,7 @@ class Demo extends React.Component {
  collapsed={this.state.collapsed}
  >
  <div className="logo">
  - <IconLogo className="img-icon-14 fishdicon" />
  + <Icon type="logo" className="img-icon-14 fishdicon" />
  {
  !this.state.collapsed ? <span className="logo-text">Fish Design</span> : null
  }
  @@ -388,7 +388,7 @@ render(){
  onCollapse={(collapsed, type) => { console.log(collapsed, type); }}
  >
  <div className="logo">
  - <IconLogo className="img-icon-14 fishdicon" />
  + <Icon type="logo" className="img-icon-14 fishdicon" />
  <span className="logo-text">Fish Design</span>
  </div>
  <Menu theme="dark" mode="inline" defaultSelectedKeys={['2']}>
  