diff --git a/src/pages/policyRegulation/regulatoryMaterials/components/RegulatoryMaterialsTree.vue b/src/pages/policyRegulation/regulatoryMaterials/components/RegulatoryMaterialsTree.vue
index f98b823e2..de5b00173 100644
--- a/src/pages/policyRegulation/regulatoryMaterials/components/RegulatoryMaterialsTree.vue
+++ b/src/pages/policyRegulation/regulatoryMaterials/components/RegulatoryMaterialsTree.vue
@@ -11,6 +11,7 @@
             node-key="id"
             class="tree-line"
             icon-class="icon-tree"
+            :expand-on-click-node="false"
             :indent="0"
             :props="props"
             :data="treeList"