diff --git a/trunk/auto/depends.sh b/trunk/auto/depends.sh
index 01408120d..dded4bba3 100755
--- a/trunk/auto/depends.sh
+++ b/trunk/auto/depends.sh
@@ -259,6 +259,13 @@ if [ $SRS_HLS = YES ]; then
     ln -sf `pwd`/research/players ${SRS_OBJS}/nginx/html/players &&
     rm -f ${SRS_OBJS}/nginx/crossdomain.xml &&
     ln -sf `pwd`/research/players/crossdomain.xml ${SRS_OBJS}/nginx/html/crossdomain.xml
+    
+    # override the default index.
+    cat <<END > ${SRS_OBJS}/nginx/html/index.html
+    <script type="text/javascript">
+        window.location.href = "players/index.html";
+    </script>
+END
 fi
 
 if [ $SRS_HLS = YES ]; then
diff --git a/trunk/research/players/index.html b/trunk/research/players/index.html
index 043268b3f..75c4f26ea 100755
--- a/trunk/research/players/index.html
+++ b/trunk/research/players/index.html
@@ -15,7 +15,9 @@
     </style>
     <script type="text/javascript">
         $(function(){
-            srs_init(null);
+            update_nav();
+            
+            window.location.href = "srs_player.html";
         });
     </script>
 </head>
diff --git a/trunk/research/players/js/srs.js b/trunk/research/players/js/srs.js
index 75301b849..ac1305112 100755
--- a/trunk/research/players/js/srs.js
+++ b/trunk/research/players/js/srs.js
@@ -1,3 +1,6 @@
+//////////////////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////////
 /**
 * padding the output.
 * padding(3, 5, '0') is 00003
@@ -112,6 +115,10 @@ function srs_init(rtmp_url, hls_url, modal_player) {
 //////////////////////////////////////////////////////////////////////////////////
 /**
 * the SrsPlayer object.
+* @param container the html container id.
+* @param stream_url the url of stream, rtmp or http.
+* @param width a float value specifies the width of player.
+* @param height a float value specifies the height of player.
 */
 function SrsPlayer(container, stream_url, width, height) {
     if (!SrsPlayer.__id) {
@@ -275,3 +282,8 @@ function __srs_on_player_timer(id, time, buffer_length) {
     
     player.on_player_timer(time, buffer_length);
 }
+
+//////////////////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////////
+
diff --git a/trunk/research/players/srs_bwt.html b/trunk/research/players/srs_bwt.html
index dd6023fe7..6c74d028e 100755
--- a/trunk/research/players/srs_bwt.html
+++ b/trunk/research/players/srs_bwt.html
@@ -15,7 +15,7 @@
     </style>
     <script type="text/javascript">
         $(function(){
-            srs_init(null);
+            update_nav();
         });
     </script>
 </head>
diff --git a/trunk/research/players/srs_player/release/srs_player.swf b/trunk/research/players/srs_player/release/srs_player.swf
index e7966ab25..a4076939e 100755
Binary files a/trunk/research/players/srs_player/release/srs_player.swf and b/trunk/research/players/srs_player/release/srs_player.swf differ
diff --git a/trunk/research/players/srs_player/src/srs_player.as b/trunk/research/players/srs_player/src/srs_player.as
index 0abde2d12..5be20f65e 100755
--- a/trunk/research/players/srs_player/src/srs_player.as
+++ b/trunk/research/players/srs_player/src/srs_player.as
@@ -85,9 +85,6 @@ package
             if (!flashvars.hasOwnProperty("id")) {
                 throw new Error("must specifies the id");
             }
-            if (!flashvars.hasOwnProperty("on_player_ready")) {
-                throw new Error("must specifies the on_player_ready");
-            }
             
             this.js_id = flashvars.id;
             this.js_on_player_ready = flashvars.on_player_ready;
diff --git a/trunk/research/players/srs_publisher.html b/trunk/research/players/srs_publisher.html
index 82684c56e..835524f55 100755
--- a/trunk/research/players/srs_publisher.html
+++ b/trunk/research/players/srs_publisher.html
@@ -15,7 +15,7 @@
     </style>
     <script type="text/javascript">
         $(function(){
-            srs_init(null);
+            update_nav();
         });
     </script>
 </head>
diff --git a/trunk/research/players/srs_publisher/release/srs_publisher.swf b/trunk/research/players/srs_publisher/release/srs_publisher.swf
index 924a50049..5267e3cde 100755
Binary files a/trunk/research/players/srs_publisher/release/srs_publisher.swf and b/trunk/research/players/srs_publisher/release/srs_publisher.swf differ
diff --git a/trunk/research/players/vlc.html b/trunk/research/players/vlc.html
index 01f3ed87b..27dd236a6 100755
--- a/trunk/research/players/vlc.html
+++ b/trunk/research/players/vlc.html
@@ -15,7 +15,7 @@
     </style>
     <script type="text/javascript">
         $(function(){
-            srs_init(null);
+            update_nav();
             $("#main_frame").attr("src", "http://www.videolan.org/vlc/");
         });
     </script>