diff --git a/frontend/src/views/system/user/form.vue b/frontend/src/views/system/user/form.vue
index 3625f02145..2fddc7d438 100644
--- a/frontend/src/views/system/user/form.vue
+++ b/frontend/src/views/system/user/form.vue
@@ -285,6 +285,7 @@ export default {
     save() {
       this.$refs.createUserForm.validate(valid => {
         if (valid) {
+          !this.form.deptId && (this.form.deptId = 0)
           const method = this.formType === 'add' ? addUser : editUser
           method(this.form).then(res => {
             this.$success(this.$t('commons.save_success'))