diff --git a/lualib/redis.lua b/lualib/redis.lua
index 4697c24d..e436657d 100644
--- a/lualib/redis.lua
+++ b/lualib/redis.lua
@@ -19,8 +19,15 @@ local meta = {
 }
 
 function redis.connect(dbname)
-	local fd = socket.open(name[dbname])
-	return setmetatable( { __handle = fd, __mode = false }, meta )
+	local db_conf   =   name[dbname]
+	local fd = socket.open(db_conf.host, db_conf.port or 6379)
+	assert(fd)
+	local r = setmetatable( { __handle = fd, __mode = false }, meta )
+	if db_conf.db ~= nil then
+		r:select(db_conf.db)
+	end
+
+	return r
 end
 
 function command:disconnect()
@@ -108,7 +115,8 @@ setmetatable(command, { __index = function(t,k)
 			socket.write(fd, compose_message { cmd, ... })
 			local ok, ret = read_response(fd)
 			socket.unlock(fd)
-			return ok, ret
+			assert(ok, ret)
+			return ret
 		end
 	end
 	t[k] = f
@@ -127,6 +135,13 @@ function command:exists(key)
 	return exists
 end
 
+function command:sismember(key, value)
+	assert(not batch, "sismember can't used in batch mode")
+	local result, ismember = skynet.call( self.__handle, "lua" , "SISMEMBER", key, value)
+	assert(result, ismember)
+	return ismember ~= 0
+end
+
 function command:batch(mode)
 	if mode == "end" then
 		local fd = self.__handle
diff --git a/lualib/socket.lua b/lualib/socket.lua
index 3951a9d7..74ec3a81 100644
--- a/lualib/socket.lua
+++ b/lualib/socket.lua
@@ -157,8 +157,6 @@ function socket.readline(fd, sep)
 end
 
 function socket.write(fd, msg, sz)
-	assert(coroutine.running() == READTHREAD[fd], "call socket.lock first")
-
 	skynet.send(".socket", "client", fd, msg, sz)
 end
 
diff --git a/redisconf b/redisconf
index 971fa540..1600a38d 100644
--- a/redisconf
+++ b/redisconf
@@ -1,2 +1,2 @@
-main = "127.0.0.1:6379"
+main = { host = "127.0.0.1" , port = 6379 }
 
diff --git a/service/console.lua b/service/console.lua
index c95abae1..86bf6cc1 100644
--- a/service/console.lua
+++ b/service/console.lua
@@ -1,15 +1,21 @@
 local skynet = require "skynet"
 local socket = require "socket"
 
-skynet.start(function()
+local function console_main_loop()
 	local stdin = socket.stdin()
 	socket.lock(stdin)
 	while true do
 		local cmdline = socket.readline(stdin, "\n")
-		local handle = skynet.newservice(cmdline)
-		if handle == nil then
-			print("Launch error:",cmdline)
+		if cmdline ~= "" then
+			local handle = skynet.newservice(cmdline)
+			if handle == nil then
+				print("Launch error:",cmdline)
+			end
 		end
 	end
 	socket.unlock(stdin)
+end
+
+skynet.start(function()
+	skynet.fork(console_main_loop)
 end)