diff --git a/src/components/LowDesign/src/shareControl/SblxSelect.vue b/src/components/LowDesign/src/shareControl/SblxSelect.vue
index 093dd3c..355aaf1 100644
--- a/src/components/LowDesign/src/shareControl/SblxSelect.vue
+++ b/src/components/LowDesign/src/shareControl/SblxSelect.vue
@@ -179,6 +179,7 @@ interface Column {
   placeholder?: string
   textFormatter?: string //回显名称格式化
   clearable?: boolean
+  defaultExpandAll?: boolean //默认展开所有节点
 }
 interface Props {
   column: Column
@@ -213,6 +214,7 @@ const treeSblxOption = ref({
   multiple: props.column.multiple,
   checkStrictly: props.column.checkStrictly,
   accordion: props.column.accordion,
+  defaultExpandAll: props.column.defaultExpandAll || false,
   props: { label: 'industryName', value: 'id', childern: 'children' }
 })
 const treeSblxData = ref<TreeSblx[]>([])
diff --git a/src/components/LowDesign/src/utils/controlOption.ts b/src/components/LowDesign/src/utils/controlOption.ts
index 33825f2..8d224ea 100644
--- a/src/components/LowDesign/src/utils/controlOption.ts
+++ b/src/components/LowDesign/src/utils/controlOption.ts
@@ -421,6 +421,7 @@ const sblxSelectConfig = [
       { label: '勾选值只保留子节点', value: 'leafOnly', val: false, type: 'switch', dic: dicObj.boolean },
       { label: '禁用父级勾选', value: 'stopParent', val: false, type: 'switch', dic: dicObj.boolean },
       { label: '每次只展开一个同级树节点', value: 'accordion', val: false, type: 'switch', dic: dicObj.boolean },
+      { label: '默认展开所有节点', value: 'defaultExpandAll', val: false, type: 'switch', dic: dicObj.boolean },
       { label: '分隔符', value: 'separator', val: ' | ' },
     ]
   }