diff --git a/lualib/datacenter.lua b/lualib/datacenter.lua
new file mode 100644
index 00000000..347c140e
--- /dev/null
+++ b/lualib/datacenter.lua
@@ -0,0 +1,14 @@
+local skynet = require "skynet"
+
+local datacenter = {}
+
+function datacenter.get(...)
+	return skynet.call("DATACENTER", "lua", "QUERY", ...)
+end
+
+function datacenter.set(...)
+	return skynet.call("DATACENTER", "lua", "UPDATE", ...)
+end
+
+return datacenter
+
diff --git a/lualib/skynet.lua b/lualib/skynet.lua
index be8fb708..433cfa93 100644
--- a/lualib/skynet.lua
+++ b/lualib/skynet.lua
@@ -649,12 +649,4 @@ function skynet.mqlen()
 	return tonumber(c.command "MQLEN")
 end
 
-function skynet.globalget(...)
-	return skynet.call("DATACENTER", "lua", "QUERY", ...)
-end
-
-function skynet.globalset(...)
-	return skynet.call("DATACENTER", "lua", "UPDATE", ...)
-end
-
 return skynet