diff --git a/packages/plugin-vue/src/helper.ts b/packages/plugin-vue/src/helper.ts
index 64e27560..45068a78 100644
--- a/packages/plugin-vue/src/helper.ts
+++ b/packages/plugin-vue/src/helper.ts
@@ -1,4 +1,4 @@
-export const EXPORT_HELPER_ID = 'plugin-vue:export-helper'
+export const EXPORT_HELPER_ID = '\0plugin-vue:export-helper'
 
 export const helperCode = `
 export default (sfc, props) => {