diff --git a/cmd/main-server.go b/cmd/main-server.go
index 9baab924..eefea466 100644
--- a/cmd/main-server.go
+++ b/cmd/main-server.go
@@ -38,10 +38,10 @@ const HttpWriteTimeout = 21 * time.Second
 const HttpMaxHeaderBytes = 60000
 const HttpTimeoutDuration = 21 * time.Second
 
-const MainServerAddr = "localhost:1619"      // PromptServer,  P=16, S=19, PS=1619
-const WebSocketServerAddr = "localhost:1623" // PromptWebsock, P=16, W=23, PW=1623
-const MainServerDevAddr = "localhost:8090"
-const WebSocketServerDevAddr = "localhost:8091"
+const MainServerAddr = "127.0.0.1:1619"      // PromptServer,  P=16, S=19, PS=1619
+const WebSocketServerAddr = "127.0.0.1:1623" // PromptWebsock, P=16, W=23, PW=1623
+const MainServerDevAddr = "127.0.0.1:8090"
+const WebSocketServerDevAddr = "127.0.0.1:8091"
 const WSStateReconnectTime = 30 * time.Second
 const WSStatePacketChSize = 20