diff --git a/trunk/research/players/rtc_player.html b/trunk/research/players/rtc_player.html
index de64351c9..b59fee4ec 100644
--- a/trunk/research/players/rtc_player.html
+++ b/trunk/research/players/rtc_player.html
@@ -68,6 +68,7 @@
         function SrsRtcPlayerAsync() {
             var self = {};
 
+            // @see https://github.com/rtcdn/rtcdn-draft
             // @url The WebRTC url to play with, for example:
             //      webrtc://r.ossrs.net/live/livestream
             // or specifies the API port:
diff --git a/trunk/research/players/rtc_publisher.html b/trunk/research/players/rtc_publisher.html
index 8a4fa94a4..fb62f0bf8 100644
--- a/trunk/research/players/rtc_publisher.html
+++ b/trunk/research/players/rtc_publisher.html
@@ -69,6 +69,7 @@
         function SrsRtcPublisherAsync() {
             var self = {};
 
+            // @see https://github.com/rtcdn/rtcdn-draft
             // @url The WebRTC url to play with, for example:
             //      webrtc://r.ossrs.net/live/livestream
             // or specifies the API port:
diff --git a/trunk/research/players/srs_player.html b/trunk/research/players/srs_player.html
index 725104074..e27104181 100755
--- a/trunk/research/players/srs_player.html
+++ b/trunk/research/players/srs_player.html
@@ -448,6 +448,8 @@
             $(player).attr("id", "player_id");
             $(div_container).append(player);
 
+            apply_url_change();
+
             srs_player = new SrsPlayer("player_id", srs_get_player_width(), srs_get_player_height());
             srs_player.on_player_ready = function() {
                 var buffer_time = 0.5;
@@ -563,6 +565,8 @@
             }
 
             var queries = user_extra_params(query);
+            queries = user_extra_params(rtmp, queries);
+            
             if (queries && queries.length) {
                 url += '&' + queries.join('&');
             }
diff --git a/trunk/src/protocol/srs_service_http_conn.cpp b/trunk/src/protocol/srs_service_http_conn.cpp
index 23a2591a0..d239972b2 100644
--- a/trunk/src/protocol/srs_service_http_conn.cpp
+++ b/trunk/src/protocol/srs_service_http_conn.cpp
@@ -325,6 +325,8 @@ SrsHttpMessage::SrsHttpMessage(ISrsReader* reader, SrsFastStream* buffer) : ISrs
     // From HTTP/1.1, default to keep alive.
     _keep_alive = true;
     type_ = 0;
+
+    schema_ = "http";
 }
 
 SrsHttpMessage::~SrsHttpMessage()
@@ -416,7 +418,8 @@ srs_error_t SrsHttpMessage::set_url(string url, bool allow_jsonp)
 
 void SrsHttpMessage::set_https(bool v)
 {
-    _uri->set_schema(v? "https" : "http");
+    schema_ = v? "https" : "http";
+    _uri->set_schema(schema_);
 }
 
 ISrsConnection* SrsHttpMessage::connection()
@@ -429,6 +432,11 @@ void SrsHttpMessage::set_connection(ISrsConnection* conn)
     owner_conn = conn;
 }
 
+string SrsHttpMessage::schema()
+{
+    return schema_;
+}
+
 uint8_t SrsHttpMessage::method()
 {
     if (jsonp && !jsonp_method.empty()) {
diff --git a/trunk/src/protocol/srs_service_http_conn.hpp b/trunk/src/protocol/srs_service_http_conn.hpp
index fa048d4b4..0181f9294 100644
--- a/trunk/src/protocol/srs_service_http_conn.hpp
+++ b/trunk/src/protocol/srs_service_http_conn.hpp
@@ -120,6 +120,7 @@ private:
     // Whether the body is chunked.
     bool chunked;
 private:
+    std::string schema_;
     // The parsed url.
     std::string _url;
     // The extension of file, for example, .flv
@@ -152,6 +153,8 @@ public:
     virtual ISrsConnection* connection();
     virtual void set_connection(ISrsConnection* conn);
 public:
+    // The schema, http or https.
+    virtual std::string schema();
     virtual uint8_t method();
     virtual uint16_t status_code();
     // The method helpers.