diff --git a/trunk/auto/depends.sh b/trunk/auto/depends.sh
index 4b604efeb..c4997f6f7 100755
--- a/trunk/auto/depends.sh
+++ b/trunk/auto/depends.sh
@@ -270,6 +270,9 @@ 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
+    
+    # nginx.html to detect whether nginx is alive
+    echo "nginx is ok" > ${SRS_OBJS}/nginx/html/nginx.html
 fi
 
 if [ $SRS_HLS = YES ]; then
diff --git a/trunk/conf/hls.conf b/trunk/conf/hls.conf
new file mode 100644
index 000000000..c2fc819ce
--- /dev/null
+++ b/trunk/conf/hls.conf
@@ -0,0 +1,9 @@
+listen              1935;
+vhost __defaultVhost__ {
+    hls {
+        enabled         on;
+        hls_path        ./objs/nginx/html;
+        hls_fragment    10;
+        hls_window      60;
+    }
+}
diff --git a/trunk/conf/rtmp.conf b/trunk/conf/rtmp.conf
old mode 100755
new mode 100644
diff --git a/trunk/conf/srs.19350.conf b/trunk/conf/srs.19350.conf
old mode 100755
new mode 100644