diff --git a/lualib/skynet/manager.lua b/lualib/skynet/manager.lua
index 90d389fb..e2c5fc4d 100644
--- a/lualib/skynet/manager.lua
+++ b/lualib/skynet/manager.lua
@@ -1,17 +1,30 @@
 local skynet = require "skynet"
 local c = require "skynet.core"
 
+local function number_address(name)
+	local t = type(name)
+	if t == "number" then
+		return name
+	elseif t == "string" then
+		local hex = name:match "^:(%x+)"
+		if hex then
+			return tonumber(hex, 16)
+		end
+	end
+end
+
 function skynet.launch(...)
 	local addr = c.command("LAUNCH", table.concat({...}," "))
 	if addr then
-		return tonumber("0x" .. string.sub(addr , 2))
+		return tonumber(string.sub(addr , 2), 16)
 	end
 end
 
 function skynet.kill(name)
-	if type(name) == "number" then
-		skynet.send(".launcher","lua","REMOVE",name, true)
-		name = skynet.address(name)
+	local addr = number_address(name)
+	if addr then
+		skynet.send(".launcher","lua","REMOVE", addr, true)
+		name = skynet.address(addr)
 	end
 	c.command("KILL",name)
 end