diff --git a/src/renderer/src/components/choose-textbook/third.vue b/src/renderer/src/components/choose-textbook/third.vue
index 554a6f5..ca8f65d 100644
--- a/src/renderer/src/components/choose-textbook/third.vue
+++ b/src/renderer/src/components/choose-textbook/third.vue
@@ -64,6 +64,8 @@ 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]