diff --git a/service/clusterd.lua b/service/clusterd.lua
index 51494971..f607e6f5 100644
--- a/service/clusterd.lua
+++ b/service/clusterd.lua
@@ -33,11 +33,9 @@ local node_channel = setmetatable({}, { __index = open_channel })
 function command.listen(source, addr, port)
 	local gate = skynet.newservice("gate")
 	if port == nil then
-		local host, port = string.match(node_address[addr], "([^:]+):(.*)$")
-		skynet.call(gate, "lua", "open", { address = host, port = port })
-	else
-		skynet.call(gate, "lua", "open", { address = addr, port = port })
+		addr, port = string.match(node_address[addr], "([^:]+):(.*)$")
 	end
+	skynet.call(gate, "lua", "open", { address = addr, port = port })
 	skynet.ret(skynet.pack(nil))
 end