message: [bugfix] Picker: style error in some andriod devices
diff: background-color: $white;
  &__toolbar {
  + display: flex;
  height: 40px;
  line-height: 40px;
  + justify-content: space-between;
  }
  &__cancel,
  }
  }
  - &__cancel {
  - float: left;
  - }
  -
  - &__confirm {
  - float: right;
  - }
  -
  &__title {
  text-align: center;
  @mixin ellipsis;
  &-column {
  flex: 1;
  overflow: hidden;
  - font-size: 18px;
  + font-size: 16px;
  text-align: center;
  li {
  - padding: 0 10px;
  + padding: 0 5px;
  color: $gray-darker;
  @mixin ellipsis;
  }
  