Pull request #2579: Update src/core/4.widget.js
Pull request #2579: Update src/core/4.widget.js

Merge in VISUAL/fineui from ~DAILER/fineui:master to master

* commit 'dd1d6588b59b79c37215c3efd91cf2f31ad0e3a4':
  Update src/core/4.widget.js

fanruan/fineui,fanruan/fineui,fanruan/fineui,fanruan/fineui