https://blog.csdn.net/qq_34817440/article/details/96482818
this.$set(this.$refs.tableDom.store.states.lazyTreeNodeMap, id, []);
https://blog.csdn.net/qq_34817440/article/details/96482818
this.$set(this.$refs.tableDom.store.states.lazyTreeNodeMap, id, []);