diff --git a/src/views/documentTool/documentSplit/DocumentSplitDetail.vue b/src/views/documentTool/documentSplit/DocumentSplitDetail.vue
index 5c89aaa..42eb7ef 100644
--- a/src/views/documentTool/documentSplit/DocumentSplitDetail.vue
+++ b/src/views/documentTool/documentSplit/DocumentSplitDetail.vue
@@ -20,7 +20,7 @@
                   <a-icon class="parent-node-icon"
                           type="folder"
                           v-if="record.dataRef.children && record.dataRef.children.length > 0" />
-                  <a-tooltip>
+                  <a-tooltip placement="topLeft">
                     <template #title>
                       {{ record.name }}{{ record.itemName }}
                     </template>
@@ -687,5 +687,7 @@ export default {
   font-size: 16px;
   margin-right: 10px;
 }
-
+.tree-node-custom-title {
+  max-width: 10em;
+}
 </style>