diff --git a/examples/login/client.lua b/examples/login/client.lua
index 7a72a036..537f614b 100644
--- a/examples/login/client.lua
+++ b/examples/login/client.lua
@@ -71,10 +71,13 @@ local etoken = crypt.desencode(secret, encode_token(token))
 local b = crypt.base64encode(etoken)
 socket.writeline(fd, crypt.base64encode(etoken))
 
-print(readline())
-
+local result = readline()
+local code = tonumber(string.sub(result, 1, 3))
+assert(code == 200)
 socket.close(fd)
 
+local subid = crypt.base64decode(string.sub(result, 5))
+
 ----- connect to game server
 
 local input = {}
@@ -105,7 +108,7 @@ end
 
 local index = 0
 local request = 0
-local handshake = string.format("%s@%s:%d:%d", crypt.base64encode(token.user), crypt.base64encode(token.server) , index, request)
+local handshake = string.format("%s#%s@%s:%d:%d", crypt.base64encode(token.user), crypt.base64encode(subid),crypt.base64encode(token.server) , index, request)
 local hmac = crypt.hmac64(crypt.hashkey(handshake), secret)
 
 socket.send(fd, handshake .. ":" .. crypt.base64encode(hmac))
diff --git a/examples/login/logind.lua b/examples/login/logind.lua
index b28c6721..df7f5fd8 100644
--- a/examples/login/logind.lua
+++ b/examples/login/logind.lua
@@ -15,11 +15,11 @@ local server_mt = {}
 server_mt.__index = server_mt
 
 function server_mt:kick(uid)
-	skynet.call(self.address, "lua", "kick", self.name, uid)
+	return skynet.call(self.address, "lua", "kick", self.name, uid)
 end
 
 function server_mt:login(uid, secret)
-	skynet.call(self.address, "lua", "login", self.name, uid, secret)
+	return skynet.call(self.address, "lua", "login", self.name, uid, secret)
 end
 
 function server.auth_handler(token)
@@ -40,8 +40,9 @@ function server.login_handler(server, uid, secret)
 	end
 	assert(user_online[uid] == nil, "kick failed")
 	local gameserver = assert(server_list[server], "Unknown server")
-	gameserver:login(uid, secret)
+	local subid = gameserver:login(uid, secret)
 	user_online[uid] = gameserver
+	return tostring(subid)
 end
 
 local CMD = {}
diff --git a/examples/login/msggate.lua b/examples/login/msggate.lua
index fb74ffc2..a7315f4f 100644
--- a/examples/login/msggate.lua
+++ b/examples/login/msggate.lua
@@ -32,7 +32,7 @@ function handler.connect(fd, addr)
 end
 
 local function auth(fd, msg, sz)
---	base64(base64(uid)@base64(server):index:request:base64(hmac)
+--	base64(base64(uid)@base64(server)#base64(subid):index:request:base64(hmac)
 	local message = netpack.tostring(msg, sz)
 	local username, index, request , hmac = string.match(message, "([^:]*):([^:]*):([^:]*):([^:]*)")
 	local content = users[username]
@@ -147,7 +147,8 @@ end
 local CMD = {}
 
 function CMD.login(source, server, uid, secret)
-	local username = crypt.base64encode(uid) .. '@' .. crypt.base64encode(server)
+	local subid = "1"
+	local username = crypt.base64encode(uid) .. '#'..crypt.base64encode(subid)..'@' .. crypt.base64encode(server)
 	users[username] = {
 		server = server,
 		uid = uid,
@@ -157,6 +158,7 @@ function CMD.login(source, server, uid, secret)
 		reserved = 0,
 		response = {},
 	}
+	return subid
 end
 
 function CMD.logout(source)