Avalon two-way binding cannot synchronize Chinese input in the new version of chrome

1> Both 1.x and 2.x have such a problem, the input Chinese cannot be synchronized to the VM, the
demo address is  http://codepen.io/roscoe054/pen/XXKYMj?editors=1111

chrome version 53.0.2785.101m (64-bit)

upgrade chrome to the latest version

2> If you don't want to upgrade, change the search  compositionEndmethod in your source code to

function compositionEnd() {
    composing = false; setTimeout(updateVModel) } 


Reprinted from: https://github.com/RubyLouvre/avalon/issues/1770