diff --git a/models/milvus.go b/models/milvus.go
index c7ed90d..f94c985 100644
--- a/models/milvus.go
+++ b/models/milvus.go
@@ -2,8 +2,8 @@ package models
 
 import (
 	"context"
+	"fmt"
 	"log"
-	"strconv"
 
 	"github.com/milvus-io/milvus-sdk-go/v2/client"
 )
@@ -20,9 +20,9 @@ func (m *MilvusConnection) Init() (err error) {
 	log.Println("Milvus connection init")
 	host := Viper.Get("milvus.host").(string)
 	port := Viper.Get("milvus.port").(int)
-	address_of_milvus := host + ":" + strconv.Itoa(port)
-	log.Println("Milvus address:", address_of_milvus)
-	m.Client, err = client.NewGrpcClient(context.Background(), address_of_milvus)
+	address := fmt.Sprintf("%s:%d", host, port)
+	log.Println("Milvus address:", address)
+	m.Client, err = client.NewGrpcClient(context.Background(), address)
 	if err != nil {
 		log.Println("Milvus connection failed:", err)
 		return