diff --git a/cmd/lotus/main.go b/cmd/lotus/main.go
index 85324e466..844356a75 100644
--- a/cmd/lotus/main.go
+++ b/cmd/lotus/main.go
@@ -2,7 +2,9 @@ package main
 
 import (
 	"context"
+	"fmt"
 	"os"
+	"strings"
 
 	"github.com/fatih/color"
 	logging "github.com/ipfs/go-log/v2"
@@ -24,6 +26,11 @@ var log = logging.Logger("main")
 var AdvanceBlockCmd *cli.Command
 
 func main() {
+	libp2p_addr := os.Getenv("LOTUS_LIBP2P_LISTENADDRESSES")
+	fmt.Println("env", libp2p_addr)
+	if len(libp2p_addr) > 0 && strings.Contains(libp2p_addr, ",") {
+		fmt.Println("env var is csv")
+	}
 	api.RunningNodeType = api.NodeFull
 
 	lotuslog.SetupLogLevels()