diff --git a/lualib/skynet.lua b/lualib/skynet.lua
index 6d7e3141..94db8b5e 100644
--- a/lualib/skynet.lua
+++ b/lualib/skynet.lua
@@ -592,9 +592,9 @@ function skynet.init(f, name)
 	if init_func == nil then
 		f()
 	else
-		if name == nil then
-			table.insert(init_func, f)
-		else
+		table.insert(init_func, f)
+		if name then
+			assert(type(name) == "string")
 			assert(init_func[name] == nil)
 			init_func[name] = f
 		end
@@ -605,8 +605,8 @@ local function init_all()
 	local funcs = init_func
 	init_func = nil
 	if funcs then
-		for k,v in pairs(funcs) do
-			v()
+		for _,f in ipairs(funcs) do
+			f()
 		end
 	end
 end