iLoveBug

限制拖放层级时placeholder未正确删除

3

``` onDragEnd(node, nodeVm, store, event, draggable_helper_option, draggable_helper_store) { var from = node.level var toLevel = store._data.dplh.level var toParent = store._data.dplh.parent var drop = true // 第一层只能拖放到第一层 if ((from === 1...

feat: speak method should use the internal queue of utterances

4

**Is your feature request related to a problem? Please describe.** Some times we could get a text to speak while the previous one is not finished. Currently, each time we...