diff --git a/conf/service_conf.yaml b/conf/service_conf.yaml
index fe7fdf912..b51f3f3cc 100644
--- a/conf/service_conf.yaml
+++ b/conf/service_conf.yaml
@@ -49,7 +49,7 @@ redis:
   password: 'infini_rag_flow'
   host: 'localhost:6379'
 nats:
-  host: "0.0.0.0"
+  host: "localhost"
   port: 4222
 task_executor:
   message_queue_type: 'nats'