message: fix(form): label trim
diff: @@ -166,7 +166,7 @@ class FormItem extends Component {
  return (
  <div className={classNames('hi-form-item', className, obj)}>
  <label className={'hi-form-item' + '__label'} style={{ width: this.labelWidth }}>
  - {label}{shouldShowColon && colon}
  + {typeof label === 'string' && label.trim()}{shouldShowColon && colon}
  </label>
  <div className={'hi-form-item' + '__content'}>
  {Array.isArray(children) || !children
  