diff --git a/mail-worker/src/service/star-service.js b/mail-worker/src/service/star-service.js
index 748de49..0e87287 100644
--- a/mail-worker/src/service/star-service.js
+++ b/mail-worker/src/service/star-service.js
@@ -15,7 +15,7 @@ const starService = {
 		if (!email) {
 			throw new BizError(t('starNotExistEmail'));
 		}
-		if (!email.userId === userId) {
+		if (email.userId !== userId) {
 			throw new BizError(t('starNotExistEmail'));
 		}
 		const exist = await orm(c).select().from(star).where(