diff --git a/trunk/conf/full.conf b/trunk/conf/full.conf
index 7408566d5..4ebafe77c 100644
--- a/trunk/conf/full.conf
+++ b/trunk/conf/full.conf
@@ -837,7 +837,7 @@ vhost hooks.callback.srs.com {
         #           "action": "on_publish",
         #           "client_id": 1985,
         #           "ip": "192.168.1.10", "vhost": "video.test.com", "app": "live",
-        #           "stream": "livestream"
+        #           "stream": "livestream", "param":"?token=xxx&salt=yyy"
         #       }
         # if valid, the hook must return HTTP code 200(Status OK) and response
         # an int value specifies the error code(0 corresponding to success):
@@ -1111,6 +1111,7 @@ vhost hls.srs.com {
         # we support the variables to generate the notify url:
         #       [app], replace with the app.
         #       [stream], replace with the stream.
+        #       [param], replace with the param.
         #       [ts_url], replace with the ts url.
         # for the hls http callback, @see http_hooks.on_hls_notify of vhost hooks.callback.srs.com
         # @read https://github.com/ossrs/srs/wiki/v2_CN_DeliveryHLS#on-hls-notify