ant-design: Select props dropdownStyle set left/top failure

Environment

antd 2.11.2

Reproduction link

[https://codepen.io/paranoidjk/pen/LWpaKe(我暂时无法提供 Link to minimal reproduction选项的Url，因此挂载上了默认提供的一个Url))

Steps to reproduce

            <Select
              mode='multiple'
              notFoundContent={NOT_FOUNT_TEXT}
              dropdownMatchSelectWidth={false}
              onFocus={this.handleFocus.bind(this)}
              onSelect={this.handleSelect.bind(this)}
              onDeselect={this.handleDeslect.bind(this)}
              onSearch={this.handleSearch.bind(this)}
              getPopupContainer={() => document.getElementById('drop-down-area')}
              ***dropdownStyle={{ left: inputLeft, display: showDropDown ? '' : 'none' }}***
              dropdownClassName='my-drop-down'
            >
              {
                renderTags.map((d, i) => (<Option key={d.value}>{d.value}</Option>))
              }
            </Select>

What is expected?

I want to use dropdownStyle to control dropdown menu’s left/top i.e. its position params

What is actually happening?

The left/top params will be coverd by components params。 传入的style参数并不生效