diff --git a/src/components/customField/Search.vue b/src/components/customField/Search.vue
index 6e29c1c..971b659 100644
--- a/src/components/customField/Search.vue
+++ b/src/components/customField/Search.vue
@@ -142,6 +142,7 @@
               :tree-data="optionsData[item.dbFieldName]"
               :replaceFields="{key: 'id', value: 'id', title: 'name', children: 'childPartNameList'}"
               tree-checkable
+              treeCheckStrictly
               show-search
               allowClear
               :filterTreeNode="filterTreeOption"
@@ -285,6 +286,7 @@
                 :tree-data="optionsData[item.dbFieldName]"
                 :replaceFields="{key: 'id', value: 'id', title: 'name', children: 'childPartNameList'}"
                 tree-checkable
+                treeCheckStrictly
                 show-search
                 allowClear
                 :filterTreeNode="filterTreeOption"