diff --git a/lualib/snax/loginserver.lua b/lualib/snax/loginserver.lua
index cfddd85e..01b2d49b 100644
--- a/lualib/snax/loginserver.lua
+++ b/lualib/snax/loginserver.lua
@@ -1,4 +1,5 @@
 local skynet = require "skynet"
+require "skynet.manager"
 local socket = require "socket"
 local crypt = require "crypt"
 local table = table