diff --git a/trunk/src/app/srs_app_rtc_conn.cpp b/trunk/src/app/srs_app_rtc_conn.cpp
index 7c05acd5e..6b0f3ef41 100644
--- a/trunk/src/app/srs_app_rtc_conn.cpp
+++ b/trunk/src/app/srs_app_rtc_conn.cpp
@@ -64,6 +64,7 @@ SrsPps* _srs_pps_pli = new SrsPps(_srs_clock);
 SrsPps* _srs_pps_twcc = new SrsPps(_srs_clock);
 SrsPps* _srs_pps_rr = new SrsPps(_srs_clock);
 SrsPps* _srs_pps_pub = new SrsPps(_srs_clock);
+SrsPps* _srs_pps_conn = new SrsPps(_srs_clock);
 
 extern SrsPps* _srs_pps_snack;
 extern SrsPps* _srs_pps_snack2;
@@ -2272,8 +2273,12 @@ srs_error_t SrsRtcConnection::notify(int type, srs_utime_t interval, srs_utime_t
 {
     srs_error_t err = srs_success;
 
+    ++_srs_pps_conn->sugar;
+
     // For publisher to send NACK.
     if (type == SRS_TICKID_SEND_NACKS) {
+        srs_update_system_time();
+        
         std::map<std::string, SrsRtcPublishStream*>::iterator it;
         for (it = publishers_.begin(); it != publishers_.end(); it++) {
             SrsRtcPublishStream* publisher = it->second;
diff --git a/trunk/src/app/srs_app_rtc_server.cpp b/trunk/src/app/srs_app_rtc_server.cpp
index 92541b8fc..3f528a2a6 100644
--- a/trunk/src/app/srs_app_rtc_server.cpp
+++ b/trunk/src/app/srs_app_rtc_server.cpp
@@ -62,6 +62,7 @@ extern SrsPps* _srs_pps_rr;
 
 extern SrsPps* _srs_pps_timer;
 extern SrsPps* _srs_pps_pub;
+extern SrsPps* _srs_pps_conn;
 extern SrsPps* _srs_pps_dispose;
 
 extern SrsPps* _srs_pps_snack;
@@ -675,18 +676,18 @@ srs_error_t SrsRtcServer::notify(int type, srs_utime_t interval, srs_utime_t tic
     _srs_pps_ids->update(); _srs_pps_fids->update(); _srs_pps_fids_level0->update();
     _srs_pps_cids_get->update(); _srs_pps_cids_set->update();
     _srs_pps_pli->update(); _srs_pps_twcc->update(); _srs_pps_rr->update();
-    _srs_pps_timer->update(); _srs_pps_pub->update(); _srs_pps_dispose->update();
+    _srs_pps_timer->update(); _srs_pps_pub->update(); _srs_pps_conn->update(); _srs_pps_dispose->update();
     _srs_pps_snack->update(); _srs_pps_snack2->update(); _srs_pps_sanack->update(); _srs_pps_svnack->update();
     _srs_pps_rnack->update(); _srs_pps_rnack2->update();
 
     // TODO: FIXME: Show more data for RTC server.
-    srs_trace("RTC: Server conns=%u, cpu=%.2f%%, rss=%dMB, pkts=%d, addrs=%d,%d, fid=%d,%d,%d, cid=%d,%d, rtcp=%d,%d,%d, timer=%d,%d, free=%d, snk=%d,%d,%d,%d, rnk=%d,%d",
+    srs_trace("RTC: Server conns=%u, cpu=%.2f%%, rss=%dMB, pkts=%d, addrs=%d,%d, fid=%d,%d,%d, cid=%d,%d, rtcp=%d,%d,%d, timer=%d,%d,%d, free=%d, snk=%d,%d,%d,%d, rnk=%d,%d",
         nn_rtc_conns, u->percent * 100, memory,
         _srs_pps_pkts->r10s(), _srs_pps_addrs->r10s(), _srs_pps_fast_addrs->r10s(),
         _srs_pps_ids->r10s(), _srs_pps_fids->r10s(), _srs_pps_fids_level0->r10s(),
         _srs_pps_cids_get->r10s(), _srs_pps_cids_set->r10s(),
         _srs_pps_pli->r10s(), _srs_pps_twcc->r10s(), _srs_pps_rr->r10s(),
-        _srs_pps_timer->r10s(), _srs_pps_pub->r10s(),
+        _srs_pps_timer->r10s(), _srs_pps_pub->r10s(), _srs_pps_conn->r10s(),
         _srs_pps_dispose->r10s(),
         _srs_pps_snack->r10s(), _srs_pps_snack2->r10s(), _srs_pps_sanack->r10s(), _srs_pps_svnack->r10s(),
         _srs_pps_rnack->r10s(), _srs_pps_rnack2->r10s()