update conf, add todo for edge/forward

@@ -107,6 +107,7 @@ vhost same.edge.srs.com {
 # vhost for edge, chnage vhost.
 vhost change.edge.srs.com {
     mode            remote;
+    # TODO: FIXME: support extra params.
     origin          127.0.0.1:1935 localhost:1935 {
         # specify the vhost to override the vhost in client request.
         vhost       edge2.srs.com;
@@ -791,7 +792,7 @@ vhost same.vhost.forward.srs.com {
     # if vhost not specified, use the request vhost instead.
     forward         127.0.0.1:1936 127.0.0.1:1937;
 }
-# TODO: FIXME: change the forward schema with vhost.
+# TODO: FIXME: support extra params.
 # [plan] the vhost which forward publish streams to other vhosts.
 vhost change.vhost.forward.srs.com {
     forward         127.0.0.1:1936 127.0.0.1:1937 {