diff --git a/packages/app-backend-vue3/src/components/data.ts b/packages/app-backend-vue3/src/components/data.ts
index 3098c87ba..4bd228260 100644
--- a/packages/app-backend-vue3/src/components/data.ts
+++ b/packages/app-backend-vue3/src/components/data.ts
@@ -355,6 +355,8 @@ function mergeOptions (
   from: any,
   instance: ComponentInstance
 ) {
+  if (!from) return to
+
   if (typeof from === 'function') {
     from = from.options
   }