thanks upstairs,my qq group friends told me the same reason

i send several email to EasyUI,but no reply on till now,then i knew this is not a bug....


my final solution is:close all nodes after the tree load complete：

status:close = > onLoadSuccess:collapseAll

version：jQuery EasyUI 1.4

plugin：tree plugin

details：while no children in nodes，click the node will：




while Children Json is not Empty，the Tree works well：