diff --git a/trunk/src/app/srs_app_statistic.cpp b/trunk/src/app/srs_app_statistic.cpp
index 6d7b459bb..aba82490b 100755
--- a/trunk/src/app/srs_app_statistic.cpp
+++ b/trunk/src/app/srs_app_statistic.cpp
@@ -72,8 +72,8 @@ int SrsStatisticVhost::dumps(stringstream& ss)
             << SRS_JFIELD_ORG("send_bytes", kbps->get_send_bytes()) << SRS_JFIELD_CONT
             << SRS_JFIELD_ORG("recv_bytes", kbps->get_recv_bytes()) << SRS_JFIELD_CONT
             << SRS_JFIELD_OBJ("kbps")
-                << SRS_JFIELD_ORG("r30s", kbps->get_recv_kbps_30s()) << SRS_JFIELD_CONT
-                << SRS_JFIELD_ORG("s30s", kbps->get_send_kbps_30s())
+                << SRS_JFIELD_ORG("recv_30s", kbps->get_recv_kbps_30s()) << SRS_JFIELD_CONT
+                << SRS_JFIELD_ORG("send_30s", kbps->get_send_kbps_30s())
             << SRS_JOBJECT_END << SRS_JFIELD_CONT
             << SRS_JFIELD_NAME("hls") << SRS_JOBJECT_START
                 << SRS_JFIELD_BOOL("enabled", hls_enabled);
@@ -128,8 +128,8 @@ int SrsStatisticStream::dumps(stringstream& ss)
             << SRS_JFIELD_ORG("send_bytes", kbps->get_send_bytes()) << SRS_JFIELD_CONT
             << SRS_JFIELD_ORG("recv_bytes", kbps->get_recv_bytes()) << SRS_JFIELD_CONT
             << SRS_JFIELD_OBJ("kbps")
-                << SRS_JFIELD_ORG("r30s", kbps->get_recv_kbps_30s()) << SRS_JFIELD_CONT
-                << SRS_JFIELD_ORG("s30s", kbps->get_send_kbps_30s())
+                << SRS_JFIELD_ORG("recv_30s", kbps->get_recv_kbps_30s()) << SRS_JFIELD_CONT
+                << SRS_JFIELD_ORG("send_30s", kbps->get_send_kbps_30s())
             << SRS_JOBJECT_END << SRS_JFIELD_CONT
             << SRS_JFIELD_ORG("live_ms", srs_get_system_time_ms()) << SRS_JFIELD_CONT
             << SRS_JFIELD_STR("status", status) << SRS_JFIELD_CONT;