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

@@ -95,16 +95,7 @@ const getTreeData = () => {
   //数据过滤
   let upData = transData(volumeOne.value)
   let downData = transData(volumeTwo.value)
-  treeData.value = [
+  treeData.value = upData.length ? upData : downData
-    {
-      label: "上册",
-      children: [...upData]
-    },
-    {
-      label: "下册",
-      children: [...downData]
-    }
-  ]
 }