diff --git a/backend/src/main/resources/application.properties b/backend/src/main/resources/application.properties
index 2c62040cf..b0318c82f 100644
--- a/backend/src/main/resources/application.properties
+++ b/backend/src/main/resources/application.properties
@@ -59,6 +59,7 @@ resend.api.key=${RESEND_API_KEY:}
 resend.from.email=${RESEND_FROM_EMAIL:}
 # your email services: ...
 
+
 # for tencent cloud image upload service, you can improve your service by yourself
 cos.base-url=${:https://example.com}
 cos.secret-id=${COS_SECRET_ID:}