diff --git a/app/demo/calcrtmpdelay/calcrtmpdelay.go b/app/demo/calcrtmpdelay/calcrtmpdelay.go
index 53a55ff..7326a77 100644
--- a/app/demo/calcrtmpdelay/calcrtmpdelay.go
+++ b/app/demo/calcrtmpdelay/calcrtmpdelay.go
@@ -121,12 +121,12 @@ func main() {
 			switch pullType {
 			case PullTypeRtmp:
 				rtmpPullSession.UpdateStat(5)
-				pullBitrate = rtmpPullSession.GetStat().Bitrate
+				pullBitrate = rtmpPullSession.GetStat().BitrateKbits
 			case PullTypeHttpflv:
 				httpflvPullSession.UpdateStat(5)
-				pullBitrate = httpflvPullSession.GetStat().Bitrate
+				pullBitrate = httpflvPullSession.GetStat().BitrateKbits
 			}
-			nazalog.Debugf("stat bitrate. push=%+v, pull=%+v", pushSession.GetStat().Bitrate, pullBitrate)
+			nazalog.Debugf("stat bitrate. push=%+v, pull=%+v", pushSession.GetStat().BitrateKbits, pullBitrate)
 		}
 	}()
 
diff --git a/pkg/base/basic_session_stat.go b/pkg/base/basic_session_stat.go
index 0c2c60a..eb132f4 100644
--- a/pkg/base/basic_session_stat.go
+++ b/pkg/base/basic_session_stat.go
@@ -153,15 +153,15 @@ func (s *BasicSessionStat) UniqueKey() string {
 //
 func (s *BasicSessionStat) updateStat(readBytesSum, wroteBytesSum uint64, typ string, intervalSec uint32) {
 	rDiff := readBytesSum - s.prevConnStat.ReadBytesSum
-	s.stat.ReadBitrate = int(rDiff * 8 / 1024 / uint64(intervalSec))
+	s.stat.ReadBitrateKbits = int(rDiff * 8 / 1024 / uint64(intervalSec))
 	wDiff := wroteBytesSum - s.prevConnStat.WroteBytesSum
-	s.stat.WriteBitrate = int(wDiff * 8 / 1024 / uint64(intervalSec))
+	s.stat.WriteBitrateKbits = int(wDiff * 8 / 1024 / uint64(intervalSec))
 
 	switch typ {
 	case SessionBaseTypePubStr, SessionBaseTypePullStr:
-		s.stat.Bitrate = s.stat.ReadBitrate
+		s.stat.BitrateKbits = s.stat.ReadBitrateKbits
 	case SessionBaseTypeSubStr, SessionBaseTypePushStr:
-		s.stat.Bitrate = s.stat.WriteBitrate
+		s.stat.BitrateKbits = s.stat.WriteBitrateKbits
 	default:
 		nazalog.Errorf("invalid session base type. type=%s", typ)
 	}
diff --git a/pkg/base/t_http_an__.go b/pkg/base/t_http_an__.go
index c7c2874..9bd2bc7 100644
--- a/pkg/base/t_http_an__.go
+++ b/pkg/base/t_http_an__.go
@@ -51,11 +51,11 @@ type StatSession struct {
 
 	RemoteAddr string `json:"remote_addr"`
 
-	ReadBytesSum  uint64 `json:"read_bytes_sum"`
-	WroteBytesSum uint64 `json:"wrote_bytes_sum"`
-	Bitrate       int    `json:"bitrate"`
-	ReadBitrate   int    `json:"read_bitrate"`
-	WriteBitrate  int    `json:"write_bitrate"`
+	ReadBytesSum      uint64 `json:"read_bytes_sum"`
+	WroteBytesSum     uint64 `json:"wrote_bytes_sum"`
+	BitrateKbits      int    `json:"bitrate_kbits"`
+	ReadBitrateKbits  int    `json:"read_bitrate_kbits"`
+	WriteBitrateKbits int    `json:"write_bitrate_kbits"`
 
 	typ SessionType
 }
diff --git a/pkg/base/t_session.go b/pkg/base/t_session.go
index e0e95d3..2bc2c46 100644
--- a/pkg/base/t_session.go
+++ b/pkg/base/t_session.go
@@ -154,7 +154,7 @@ type ISessionStat interface {
 	//
 	// 获取session状态
 	//
-	// @return 注意，结构体中的`Bitrate`的值由最近一次`func UpdateStat`调用计算决定，其他值为当前最新值
+	// @return 注意，结构体中的`BitrateKbits`的值由最近一次`func UpdateStat`调用计算决定，其他值为当前最新值
 	//
 	GetStat() StatSession
 
diff --git a/pkg/rtsp/server_command_session.go b/pkg/rtsp/server_command_session.go
index e7ae7e9..69aaea9 100644
--- a/pkg/rtsp/server_command_session.go
+++ b/pkg/rtsp/server_command_session.go
@@ -118,9 +118,9 @@ func (session *ServerCommandSession) UpdateStat(intervalSec uint32) {
 
 	currStat := session.conn.GetStat()
 	rDiff := currStat.ReadBytesSum - session.prevConnStat.ReadBytesSum
-	session.stat.Bitrate = int(rDiff * 8 / 1024 / uint64(intervalSec))
+	session.stat.BitrateKbits = int(rDiff * 8 / 1024 / uint64(intervalSec))
 	wDiff := currStat.WroteBytesSum - session.prevConnStat.WroteBytesSum
-	session.stat.Bitrate = int(wDiff * 8 / 1024 / uint64(intervalSec))
+	session.stat.BitrateKbits = int(wDiff * 8 / 1024 / uint64(intervalSec))
 	session.prevConnStat = currStat
 }