Xinxin

try use reactive not ref

try `list.value = [...list.value]` to trigger

could you create a online reproduce?

could you can create a reproduce on github.

use `add` method to add removed node into the tree. https://hetree.phphe.com/v2/api#add

https://github.com/phphe/he-tree/blob/dev/packages/he-tree-vue/src/examples/Draggable.vue#L108 use statHandler to set initial properties

This node data is not in the tree. Or you can create a reproduce online.