diff --git a/lualib/http/httpc.lua b/lualib/http/httpc.lua
index 7fdd721d..058e28a4 100644
--- a/lualib/http/httpc.lua
+++ b/lualib/http/httpc.lua
@@ -1,6 +1,5 @@
 local skynet = require "skynet"
 local socket = require "http.sockethelper"
-local url = require "http.url"
 local internal = require "http.internal"
 local dns = require "skynet.dns"
 local string = string
@@ -131,7 +130,7 @@ function httpc.head(hostname, url, recvheader, header, content)
 	end
 end
 
-function httpc.request_stream(method, hostname, url, header, content)
+function httpc.request_stream(method, hostname, url, recvheader, header, content)
 	local fd, interface, host = connect(hostname, httpc.timeout)
 	local ok , statuscode, body , header = pcall(internal.request, interface, method, host, url, recvheader, header, content)
 	interface.finish = true -- don't shutdown fd in timeout
diff --git a/lualib/http/httpd.lua b/lualib/http/httpd.lua
index 0131db0a..1575f5a6 100644
--- a/lualib/http/httpd.lua
+++ b/lualib/http/httpd.lua
@@ -1,6 +1,5 @@
 local internal = require "http.internal"
 
-local table = table
 local string = string
 local type = type
 
diff --git a/lualib/http/internal.lua b/lualib/http/internal.lua
index 02aeef32..db56ab2b 100644
--- a/lualib/http/internal.lua
+++ b/lualib/http/internal.lua
@@ -251,7 +251,7 @@ local function stream_length(length)
 	return function(stream)
 		local body = stream._body
 		if body == nil then
-			local ret, padding = interface.read()
+			local ret, padding = stream._interface.read()
 			if not ret then
 				-- disconnected
 				body = padding
@@ -353,7 +353,7 @@ function M.response_stream(interface, code, body, header)
 	local read_func
 
 	if mode == "chunked" then
-		readfunc = stream_chunked
+		read_func = stream_chunked
 	else
 		-- identity mode
 		local length = header["content-length"]
@@ -361,11 +361,11 @@ function M.response_stream(interface, code, body, header)
 			length = tonumber(length)
 		end
 		if length then
-			readfunc = stream_length(length)
+			read_func = stream_length(length)
 		elseif code == 204 or code == 304 or code < 200 then
-			readfunc = stream_nobody
+			read_func = stream_nobody
 		else
-			readfunc = stream_all
+			read_func = stream_all
 		end
 	end
 
@@ -375,7 +375,7 @@ function M.response_stream(interface, code, body, header)
 		status = code,
 		_body = body,
 		_interface = interface,
-		_reading = readfunc,
+		_reading = read_func,
 		header = header,
 		connected = true,
 	}, stream)
diff --git a/lualib/http/tlshelper.lua b/lualib/http/tlshelper.lua
index 04a15b51..05e3d3ae 100644
--- a/lualib/http/tlshelper.lua
+++ b/lualib/http/tlshelper.lua
@@ -77,7 +77,6 @@ function tlshelper.writefunc(fd, tls_ctx)
 end
 
 function tlshelper.readallfunc(fd, tls_ctx)
-    local readfunc = socket.readfunc(fd)
     return function ()
         local ds = socket.readall(fd)
         local s = tls_ctx:read(ds)