diff --git a/packages/3.0.0/AppNavConfig/components/List.vue b/packages/3.0.0/AppNavConfig/components/List.vue
index f04b9f34..4136fd29 100644
--- a/packages/3.0.0/AppNavConfig/components/List.vue
+++ b/packages/3.0.0/AppNavConfig/components/List.vue
@@ -200,7 +200,7 @@
           if (valid) {
             this.instance.post(`/app/appminihomeconfig/addOrUpdate`, {
               ...this.form,
-              id: this.id || '',
+              id: this.id || null,
               pictureUrl: this.form.pictureUrl[0].url
             }).then(res => {
               if (res.code === 0) {