dancingliar: 父节点也要展开，否则子节点展开看不见的 [code=javascript] this.$nextTick(() => { this.$refs["tree"].setCurrentKey(data[0]); }) this.expandNodes(this.$refs["tree"].store.nodesMap[data[0]]); expandNodes(node){ if(null != node.parent){ this.expandNodes(node.parent); } console.log(node) node.expanded = true; } [/code]