diff --git a/src/views/relevantunits/insert/components/corpInfoEdit.vue b/src/views/relevantunits/insert/components/corpInfoEdit.vue
index 34d423f..d997d48 100644
--- a/src/views/relevantunits/insert/components/corpInfoEdit.vue
+++ b/src/views/relevantunits/insert/components/corpInfoEdit.vue
@@ -51,6 +51,9 @@
                 <Treeselect
                   :options="treeData"
                   :normalizer="normalizer"
+                  :flat="true"
+                  :default-expand-level="0"
+                  :props="defaultProps"
                   v-model="form.MAIN_DEPARTMENT"
                   placeholder="请选择部门"
                   multiple
@@ -345,7 +348,7 @@ export default {
         COMPETENT_DEPT_ID: null,
         MANAGER_DEPARTMENT_ID: null,
         SUPERVISE_CORPINFO_ID: '',
-        MAIN_DEPARTMENT: '',
+        MAIN_DEPARTMENT: null,
         RELEVANT_UNIT_NAME: '',
         SOCIAL_CODE: '',
         LOCAL: '',