diff --git a/Makefile b/Makefile
index b4a94090..c54703c9 100644
--- a/Makefile
+++ b/Makefile
@@ -46,7 +46,7 @@ update3rd :
 
 CSERVICE = snlua logger gate harbor
 LUA_CLIB = skynet \
-  clientsocket \
+  client \
   bson md5 sproto lpeg
 
 LUA_CLIB_SKYNET = \
@@ -100,7 +100,7 @@ $(LUA_CLIB_PATH)/bson.so : lualib-src/lua-bson.c | $(LUA_CLIB_PATH)
 $(LUA_CLIB_PATH)/md5.so : 3rd/lua-md5/md5.c 3rd/lua-md5/md5lib.c 3rd/lua-md5/compat-5.2.c | $(LUA_CLIB_PATH)
 	$(CC) $(CFLAGS) $(SHARED) -I3rd/lua-md5 $^ -o $@ 
 
-$(LUA_CLIB_PATH)/clientsocket.so : lualib-src/lua-clientsocket.c | $(LUA_CLIB_PATH)
+$(LUA_CLIB_PATH)/client.so : lualib-src/lua-clientsocket.c lualib-src/lua-crypt.c lualib-src/lsha1.c | $(LUA_CLIB_PATH)
 	$(CC) $(CFLAGS) $(SHARED) $^ -o $@ -lpthread
 
 $(LUA_CLIB_PATH)/sproto.so : lualib-src/sproto/sproto.c lualib-src/sproto/lsproto.c | $(LUA_CLIB_PATH)
diff --git a/examples/client.lua b/examples/client.lua
index 92aaa16e..740732f8 100644
--- a/examples/client.lua
+++ b/examples/client.lua
@@ -5,7 +5,7 @@ if _VERSION ~= "Lua 5.3" then
 	error "Use lua 5.3"
 end
 
-local socket = require "clientsocket"
+local socket = require "client.socket"
 local proto = require "proto"
 local sproto = require "sproto"
 
diff --git a/examples/login/client.lua b/examples/login/client.lua
index f7c48018..4143f941 100644
--- a/examples/login/client.lua
+++ b/examples/login/client.lua
@@ -1,7 +1,7 @@
 package.cpath = "luaclib/?.so"
 
-local socket = require "clientsocket"
-local crypt = require "crypt"
+local socket = require "client.socket"
+local crypt = require "client.crypt"
 
 if _VERSION ~= "Lua 5.3" then
 	error "Use lua 5.3"
diff --git a/examples/login/gated.lua b/examples/login/gated.lua
index 0b8c53b7..86fa31fc 100644
--- a/examples/login/gated.lua
+++ b/examples/login/gated.lua
@@ -1,5 +1,5 @@
 local msgserver = require "snax.msgserver"
-local crypt = require "crypt"
+local crypt = require "skynet.crypt"
 local skynet = require "skynet"
 
 local loginservice = tonumber(...)
diff --git a/examples/login/logind.lua b/examples/login/logind.lua
index dd003f2f..5c739a8a 100644
--- a/examples/login/logind.lua
+++ b/examples/login/logind.lua
@@ -1,5 +1,5 @@
 local login = require "snax.loginserver"
-local crypt = require "crypt"
+local crypt = require "skynet.crypt"
 local skynet = require "skynet"
 
 local server = {
diff --git a/lualib-src/lua-clientsocket.c b/lualib-src/lua-clientsocket.c
index def0bff6..25189032 100644
--- a/lualib-src/lua-clientsocket.c
+++ b/lualib-src/lua-clientsocket.c
@@ -186,7 +186,7 @@ lreadstdin(lua_State *L) {
 }
 
 LUAMOD_API int
-luaopen_clientsocket(lua_State *L) {
+luaopen_client_socket(lua_State *L) {
 	luaL_checkversion(L);
 	luaL_Reg l[] = {
 		{ "connect", lconnect },
diff --git a/lualib-src/lua-crypt.c b/lualib-src/lua-crypt.c
index 7a182db7..888fe544 100644
--- a/lualib-src/lua-crypt.c
+++ b/lualib-src/lua-crypt.c
@@ -933,3 +933,8 @@ luaopen_skynet_crypt(lua_State *L) {
 	luaL_newlib(L,l);
 	return 1;
 }
+
+LUAMOD_API int
+luaopen_client_crypt(lua_State *L) {
+	return luaopen_skynet_crypt(L);
+}