numver

Results 2 issues of numver

![image](https://user-images.githubusercontent.com/9836372/56403192-cf0d1880-6292-11e9-8f7f-1a2566c0c0c5.png) I can find the input node and want to set text by function,but i find the SetTextContents do not work, what is problem???

Transition component is useful to make a effect ,but it has a speechless problem, transition component just can has one root (without annotations)。It is better to mark this problem in...