diff --git a/app/utils/rpc_client.go b/app/utils/rpc_client.go
index c83b33c..96bf079 100644
--- a/app/utils/rpc_client.go
+++ b/app/utils/rpc_client.go
@@ -23,7 +23,7 @@ func GetBusinessIntClient(url, port string) pb.BusinessIntClient {
 func GetBusinessExtClient(url, port string) pb.BusinessExtClient {
 	target := fmt.Sprintf("%s:%s", url, port)
 	conn, err := grpc.Dial(target, grpc.WithInsecure())
-	//defer conn.Close()
+	defer conn.Close()
 	if err != nil {
 		fmt.Println(err)
 		return nil