diff --git a/lualib-src/lua-skynet.c b/lualib-src/lua-skynet.c
index 502894b2..cca9d768 100644
--- a/lualib-src/lua-skynet.c
+++ b/lualib-src/lua-skynet.c
@@ -1,6 +1,5 @@
 #include "skynet.h"
 #include "lua-seri.h"
-#include "service_lua.h"
 
 #define KNRM  "\x1B[0m"
 #define KRED  "\x1B[31m"
@@ -11,6 +10,12 @@
 #include <string.h>
 #include <assert.h>
 
+struct snlua {
+	lua_State * L;
+	struct skynet_context * ctx;
+	const char * preload;
+};
+
 static int
 _cb(struct skynet_context * context, void * ud, int type, int session, uint32_t source, const void * msg, size_t sz) {
 	lua_State *L = ud;
@@ -290,15 +295,14 @@ luaopen_skynet_c(lua_State *L) {
 		{ NULL, NULL },
 	};
 
-	lua_getfield(L, LUA_REGISTRYINDEX, "skynet_lua");
-	struct snlua *lua = lua_touserdata(L,-1);
-	if (lua == NULL || lua->ctx == NULL) {
+	luaL_newlibtable(L, l);
+
+	lua_getfield(L, LUA_REGISTRYINDEX, "skynet_context");
+	struct skynet_context *ctx = lua_touserdata(L,-1);
+	if (ctx == NULL) {
 		return luaL_error(L, "Init skynet context first");
 	}
-	assert(lua->L == L);
 
-	luaL_newlibtable(L, l);
-	lua_pushlightuserdata(L, lua->ctx);
 	luaL_setfuncs(L,l,1);
 
 	return 1;
diff --git a/lualib-src/lua-socket.c b/lualib-src/lua-socket.c
index c3ba9f3b..3f22956c 100644
--- a/lualib-src/lua-socket.c
+++ b/lualib-src/lua-socket.c
@@ -10,7 +10,6 @@
 #include <lauxlib.h>
 
 #include "skynet_socket.h"
-#include "service_lua.h"
 
 #define BACKLOG 32
 // 2 ** 12 == 4096
@@ -485,15 +484,12 @@ luaopen_socketdriver(lua_State *L) {
 		{ "start", lstart },
 		{ NULL, NULL },
 	};
-	lua_getfield(L, LUA_REGISTRYINDEX, "skynet_lua");
-	struct snlua *lua = lua_touserdata(L,-1);
-	if (lua == NULL || lua->ctx == NULL) {
+	lua_getfield(L, LUA_REGISTRYINDEX, "skynet_context");
+	struct skynet_context *ctx = lua_touserdata(L,-1);
+	if (ctx == NULL) {
 		return luaL_error(L, "Init skynet context first");
 	}
-	// assert(lua->L == L);
-	lua_pop(L,1);
 
-	lua_pushlightuserdata(L, lua->ctx);
 	luaL_setfuncs(L,l2,1);
 
 	return 1;
diff --git a/service-src/service_lua.h b/service-src/service_lua.h
deleted file mode 100644
index d20420fd..00000000
--- a/service-src/service_lua.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#ifndef SKYNET_SERVICE_LUA_H
-#define SKYNET_SERVICE_LUA_H
-
-struct snlua {
-	lua_State * L;
-	struct skynet_context * ctx;
-	const char * preload;
-};
-
-#endif
diff --git a/service-src/service_snlua.c b/service-src/service_snlua.c
index 7dc314f3..07fb830b 100644
--- a/service-src/service_snlua.c
+++ b/service-src/service_snlua.c
@@ -4,13 +4,18 @@
 #include <lualib.h>
 #include <lauxlib.h>
 #include <assert.h>
-#include "service_lua.h"
 
 #include <assert.h>
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
 
+struct snlua {
+	lua_State * L;
+	struct skynet_context * ctx;
+	const char * preload;
+};
+
 // LUA_CACHELIB may defined in patched lua for shared proto
 #ifdef LUA_CACHELIB
 
@@ -189,8 +194,8 @@ _init(struct snlua *l, struct skynet_context *ctx, const char * args) {
 	l->ctx = ctx;
 	lua_gc(L, LUA_GCSTOP, 0);
 	luaL_openlibs(L);
-	lua_pushlightuserdata(L, l);
-	lua_setfield(L, LUA_REGISTRYINDEX, "skynet_lua");
+	lua_pushlightuserdata(L, ctx);
+	lua_setfield(L, LUA_REGISTRYINDEX, "skynet_context");
 	luaL_requiref(L, "skynet.codecache", codecache , 0);
 	lua_pop(L,1);