diff --git a/go.mod b/go.mod
index b071832..fcd6f95 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/Monibuca/plugin-ts/v3
 go 1.13
 
 require (
-	github.com/Monibuca/engine/v3 v3.0.0-alpha6
+	github.com/Monibuca/engine/v3 v3.0.0-alpha7
 	github.com/Monibuca/utils/v3 v3.0.0-alpha5
 	github.com/pion/rtp v1.6.2 // indirect
 )
diff --git a/go.sum b/go.sum
index 5b652b8..9f699ab 100644
--- a/go.sum
+++ b/go.sum
@@ -8,6 +8,8 @@ github.com/Monibuca/engine/v3 v3.0.0-alpha4 h1:kAStDd1p9tlSQeNyAAmb7vrPL2UCz7LFT
 github.com/Monibuca/engine/v3 v3.0.0-alpha4/go.mod h1:V0/kfen6K5O/RLXHPsZj4DF/LboDZ0OqfeCfn35bWMo=
 github.com/Monibuca/engine/v3 v3.0.0-alpha6 h1:USZa+JDVJd13rb9wmX06ZxjRCrqYTAPe5wVD+0IODEE=
 github.com/Monibuca/engine/v3 v3.0.0-alpha6/go.mod h1:V0/kfen6K5O/RLXHPsZj4DF/LboDZ0OqfeCfn35bWMo=
+github.com/Monibuca/engine/v3 v3.0.0-alpha7 h1:ohlsdFQCUS8i6eux+etFxLKo/IyQUgqlsNAgTIR9mDQ=
+github.com/Monibuca/engine/v3 v3.0.0-alpha7/go.mod h1:eonu3UFn3W7NpHzSrACipxdAyOBCUwzlFUe1R7JjttE=
 github.com/Monibuca/utils/v3 v3.0.0-alpha3 h1:n4Sq7mS1Iz8oBj2BcV4sXgKbZgix0fFLvjAfXYoiXl0=
 github.com/Monibuca/utils/v3 v3.0.0-alpha3/go.mod h1:3xYmhQbgAZBHLyIMteUCd1va+1z/xnd72B585mCaT3c=
 github.com/Monibuca/utils/v3 v3.0.0-alpha4 h1:pecYA89kWmtGOeY6R99d4T1epPJ1wc+jFrrJY13VD04=
diff --git a/main.go b/main.go
index 3fcc7ed..6229780 100644
--- a/main.go
+++ b/main.go
@@ -99,7 +99,7 @@ func (ts *TS) run() {
 								//将ADTS转换成ASC
 								at.SoundFormat = 10
 								at.SoundRate = codec.SamplingFrequencies[(payload[2]&0x3c)>>2]
-								at.SoundType = ((payload[2] & 0x1) << 2) | ((payload[3] & 0xc0) >> 6)
+								at.Channels = ((payload[2] & 0x1) << 2) | ((payload[3] & 0xc0) >> 6)
 								at.RtmpTag = codec.ADTSToAudioSpecificConfig(payload)
 								at.Push(uint32(tsPesPkt.PesPkt.Header.Dts/90), payload[7:])
 								ts.SetOriginAT(at)