diff --git a/lualib/skynet/socket.lua b/lualib/skynet/socket.lua
index 330330e7..e467d2a1 100644
--- a/lualib/skynet/socket.lua
+++ b/lualib/skynet/socket.lua
@@ -269,8 +269,8 @@ function socket.close(id)
 	if s == nil then
 		return
 	end
+	driver.close(id)
 	if s.connected then
-		driver.close(id)
 		if s.co then
 			-- reading this socket on another coroutine, so don't shutdown (clear the buffer) immediately
 			-- wait reading coroutine read the buffer.
diff --git a/skynet-src/socket_server.c b/skynet-src/socket_server.c
index 2595bca0..694e797f 100644
--- a/skynet-src/socket_server.c
+++ b/skynet-src/socket_server.c
@@ -1024,7 +1024,7 @@ send_socket(struct socket_server *ss, struct request_send * request, struct sock
 		so.free_func((void *)request->buffer);
 		return -1;
 	}
-	if (send_buffer_empty(s) && type == SOCKET_TYPE_CONNECTED) {
+	if (send_buffer_empty(s)) {
 		if (s->protocol == PROTOCOL_TCP) {
 			append_sendbuffer(ss, s, request);	// add to high priority list, even priority == PRIORITY_LOW
 		} else {
@@ -1148,8 +1148,9 @@ close_socket(struct socket_server *ss, struct request_close *request, struct soc
 		int r = shutdown_read ? -1 : SOCKET_CLOSE;
 		force_close(ss,s,&l,result);
 		return r;
-	} else if (!shutdown_read) {
-		s->closing = true;
+	}
+	s->closing = true;
+	if (!shutdown_read) {
 		// don't read socket after socket.close()
 		close_read(ss, s, result);
 		return SOCKET_CLOSE;