diff --git a/trunk/research/players/js/srs.page.js b/trunk/research/players/js/srs.page.js
index f675d1753..5e5d6c956 100755
--- a/trunk/research/players/js/srs.page.js
+++ b/trunk/research/players/js/srs.page.js
@@ -58,7 +58,7 @@ function user_extra_params(query, params) {
             || key === 'filename' || key === 'host' || key === 'hostname'
             || key === 'http_port' || key === 'pathname' || key === 'port'
             || key === 'server' || key === 'stream' || key === 'buffer'
-            || key === 'schema' || key === 'vhost' || key === 'api_port'
+            || key === 'schema' || key === 'vhost'
         ) {
             continue;
         }
@@ -207,9 +207,7 @@ function build_default_hls_url() {
 }
 
 function build_default_rtc_url(query) {
-    var schema = (!query.schema)? "http":query.schema;
     var server = (!query.server)? window.location.hostname:query.server;
-    var port = (!query.api_port)? 1985:query.api_port;
     var vhost = (!query.vhost)? window.location.hostname:query.vhost;
     var app = (!query.app)? "live":query.app;
     var stream = (!query.stream)? "livestream":query.stream;
@@ -229,8 +227,8 @@ function build_default_rtc_url(query) {
     }
     queries = user_extra_params(query, queries);
 
-    var uri = schema + "://" + server + ":" + port + "/api/v1/sdp/?app=" + app + "&stream=" + stream + "&" + queries.join('&');
-    while (uri.lastIndexOf("&") == uri.length - 1) {
+    var uri = "webrtc://" + server + "/" + app + "/" + stream + "?" + queries.join('&');
+    while (uri.lastIndexOf("?") == uri.length - 1) {
         uri = uri.substr(0, uri.length - 1);
     }
 
diff --git a/trunk/research/players/js/winlin.utility.js b/trunk/research/players/js/winlin.utility.js
index 2d82ecc64..18fcdd60c 100644
--- a/trunk/research/players/js/winlin.utility.js
+++ b/trunk/research/players/js/winlin.utility.js
@@ -3,9 +3,9 @@
 /**
  * common utilities
  * depends: jquery1.10
- * https://code.csdn.net/snippets/147103
+ * https://gitee.com/winlinvip/codes/rpn0c2ewbomj81augzk4y59
  * @see: http://blog.csdn.net/win_lin/article/details/17994347
- * v 1.0.17
+ * v 1.0.19
  */
 
 /**
@@ -293,7 +293,7 @@ function __fill_query(query_string, obj) {
 function parse_rtmp_url(rtmp_url) {
     // @see: http://stackoverflow.com/questions/10469575/how-to-use-location-object-to-parse-url-without-redirecting-the-page-in-javascri
     var a = document.createElement("a");
-    a.href = rtmp_url.replace("rtmp://", "http://");
+    a.href = rtmp_url.replace("rtmp://", "http://").replace("webrtc://", "http://");
 
     var vhost = a.hostname;
     var app = a.pathname.substr(1, a.pathname.lastIndexOf("/") - 1);
diff --git a/trunk/research/players/rtc_player.html b/trunk/research/players/rtc_player.html
index 1ff789912..e0bbdd86f 100644
--- a/trunk/research/players/rtc_player.html
+++ b/trunk/research/players/rtc_player.html
@@ -61,6 +61,7 @@
         $("#btn_play").click(function(){
             $('#rtc_media_player').show();
             var urlObject = parse_rtmp_url($("#txt_url").val());
+            var schame = window.location.protocol;
 
             var pc = new RTCPeerConnection(null);
             pc.onaddstream = function (event) {
@@ -82,14 +83,29 @@
                 return pc.setLocalDescription(offer).then(function(){ return offer; });
             }).then(function(offer) {
                 return new Promise(function(resolve, reject) {
+                    var port = urlObject.user_query.api || 1985;
+                    var api = urlObject.user_query.play || '/api/v1/sdp/';
+                    if (api.lastIndexOf('/') != api.length - 1) {
+                        api += '/';
+                    }
+
+                    var url = schame + '//' + urlObject.server + ':' + port + api
+                        + '?app=' + urlObject.app + '&stream=' + urlObject.stream;
+                    for (var key in urlObject.user_query) {
+                        if (key != 'api' && key != 'play') {
+                            url += '&' + key + '=' + urlObject.user_query[key];
+                        }
+                    }
+
                     var data = {
-                        "url": urlObject.url, "app": urlObject.app, "stream": urlObject.stream,
+                        "url": url, "streamurl": urlObject.url,
+                        "app": urlObject.app, "stream": urlObject.stream,
                         "sdp": offer.sdp
                     };
                     console.log("offer: " + JSON.stringify(data));
 
                     $.ajax({
-                        type: "POST", url: urlObject.url, data: JSON.stringify(data),
+                        type: "POST", url: url, data: JSON.stringify(data),
                         contentType:'application/json', dataType: 'json'
                     }).done(function(data) {
                         console.log("answer: " + JSON.stringify(data));