message: more clear description in comment.
diff: @@ -390,8 +390,9 @@ class Displayable<Props extends DisplayableProps = DisplayableProps> extends Ele
  }
  }
  - // If states is switched twice and one property(for example shadowBlur) changed from default value to a specifed value,
  - // then switched back in ONE FRAME. this.style may don't set this property yet when switching back.
  + // If states is switched twice in ONE FRAME, for example:
  + // one property(for example shadowBlur) changed from default value to a specifed value,
  + // then switched back in immediately. this.style may don't set this property yet when switching back.
  // It won't treat it as an changed property when switching back. And it won't be animated.
  // So here we make sure the properties will be animated from default value to a specifed value are set.
  const targetKeys = keys(targetStyle);
  