src/renderer/src/components/choose-textbook/third.vue

@@ -64,8 +64,6 @@ const getVertion = (data) => {
       childs: []
     }
   })
-  //判断是否存在该教材，有则展示第一项
-  if(treeData.value.length === 0) return
   nextTick(() => {
     defaultExpandedKeys.value = [treeData.value[0].id]
     node.currentNode.data = treeData.value[0]