diff --git a/rtmp/chunk_wrap.go b/rtmp/chunk_wrap.go
index f801ca7..6516bd4 100644
--- a/rtmp/chunk_wrap.go
+++ b/rtmp/chunk_wrap.go
@@ -4,7 +4,6 @@ import (
 	"net"
 	"encoding/binary"
 	"stream_server/rtmp/amf"
-	"fmt"
 )
 
 type ChunkWrapper struct {
@@ -99,3 +98,28 @@ func (chnk_wrp_ptr *ChunkWrapper) WriteWindowAckSize() (error) {
 	}
 	return nil
 }
+
+func (chnk_wrp_ptr *ChunkWrapper) WritePeerBandwidth() (error) {
+	msg_ptr := new(Message)
+	msg_ptr.msg_type = 6
+	msg_ptr.data = make([]byte, 5)
+	msg_ptr.msg_len = 5
+	binary.BigEndian.PutUint32(msg_ptr.data, 5000000)
+	msg_ptr.data[4] = 2
+	if err := chnk_wrp_ptr.WriteChunk(2, 0, msg_ptr); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (chnk_wrp_ptr *ChunkWrapper) WriteChunkSize() (error) {
+	msg_ptr := new(Message)
+	msg_ptr.msg_type = 1
+	msg_ptr.data = make([]byte, 4)
+	msg_ptr.msg_len = 4
+	binary.BigEndian.PutUint32(msg_ptr.data, chnk_wrp_ptr.params.chunk_size)
+	if err := chnk_wrp_ptr.WriteChunk(2, 0, msg_ptr); err != nil {
+		return err
+	}
+	return nil
+}
diff --git a/rtmp/connect.go b/rtmp/connect.go
index 452f178..f4da7f9 100644
--- a/rtmp/connect.go
+++ b/rtmp/connect.go
@@ -14,6 +14,12 @@ func NegotiateConnect(chnk_wrp_ptr *ChunkWrapper) (bool) {
 	if err := chnk_wrp_ptr.WriteWindowAckSize(); err != nil {
 		return false
 	}
+	if err := chnk_wrp_ptr.WritePeerBandwidth(); err != nil {
+		return false
+	}
+	if err := chnk_wrp_ptr.WriteChunkSize(); err != nil {
+		return false
+	}
 	fmt.Println(chnk_wrp_ptr.params)
 	return false
 }