diff --git a/src/views/documentTool/documentSplit/DocumentSplitDetail.vue b/src/views/documentTool/documentSplit/DocumentSplitDetail.vue
index c31e60a..f6e2079 100644
--- a/src/views/documentTool/documentSplit/DocumentSplitDetail.vue
+++ b/src/views/documentTool/documentSplit/DocumentSplitDetail.vue
@@ -884,7 +884,7 @@ export default {
   margin-right: 10px;
 }
 // 鼠标滑动到节点，显示操作按钮
-.tree-node-custom-title:hover + .tree-operate-node-btn-box-hide {
+.tree-operate-node:hover > .tree-operate-node-btn-box-hide {
   opacity: 1;
   pointer-events: auto;
 }