diff --git a/trunk/src/app/srs_app_rtc_conn.cpp b/trunk/src/app/srs_app_rtc_conn.cpp
index 5cc98f1ef..3754ae927 100644
--- a/trunk/src/app/srs_app_rtc_conn.cpp
+++ b/trunk/src/app/srs_app_rtc_conn.cpp
@@ -1740,8 +1740,9 @@ srs_error_t SrsRtcServer::cycle()
                 pps_unit = "(k)"; pps_last /= 1000; pps_average /= 1000;
             }
 
-            srs_trace("-> RTC #%d SEND %d/%d/%" PRId64 ", pps %d/%d%s, schedule %d/%d, sessions %d by sendmmsg %d",
-                srs_netfd_fileno(stfd), pos, nn_msgs_max, nn_msgs, pps_average, pps_last, pps_unit.c_str(), nn_loop, nn_wait, (int)map_username_session.size(), max_sendmmsg);
+            srs_trace("-> RTC #%d SEND %d/%d/%" PRId64 ", pps %d/%d%s, schedule %d/%d, sessions %d, cache %d/%d by sendmmsg %d",
+                srs_netfd_fileno(stfd), pos, nn_msgs_max, nn_msgs, pps_average, pps_last, pps_unit.c_str(), nn_loop, nn_wait,
+                (int)map_username_session.size(), (int)cache.size(), (int)hotspot.size(), max_sendmmsg);
             nn_msgs_last = nn_msgs; time_last = srs_get_system_time();
             nn_loop = nn_wait = nn_msgs_max = 0;
         }