diff --git a/hz_kitex_demo/hertz-server/main.go b/hz_kitex_demo/hertz-server/main.go
index a0e43d5..f60bb23 100755
--- a/hz_kitex_demo/hertz-server/main.go
+++ b/hz_kitex_demo/hertz-server/main.go
@@ -5,6 +5,7 @@ package main
 import (
 	"context"
 	"fmt"
+
 	"hertz-examples/hz_demo/hertz-server/infra/rpc"
 
 	"github.com/cloudwego/hertz/pkg/app"