diff --git a/client.go b/client.go
index fc22ac6..3588599 100644
--- a/client.go
+++ b/client.go
@@ -1,7 +1,6 @@
 package tdx
 
 import (
-	"encoding/hex"
 	"github.com/injoyai/base/maps/wait/v2"
 	"github.com/injoyai/conv"
 	"github.com/injoyai/ios"
@@ -22,13 +21,18 @@ func Dial(addr string, op ...client.Option) (cli *Client, err error) {
 	cli.c, err = dial.TCP(addr, func(c *client.Client) {
 		c.Logger.WithHEX() //以HEX显示
 		c.SetOption(op...) //自定义选项
-		//c.Event.OnReadFrom = protocol.ReadFrom     //分包
+		//c.AllReader = ios.NewAllReader(c.Reader.(io.Reader), protocol.ReadFrom) //分包
+		c.Event.OnReadFrom = protocol.ReadFrom         //分包
 		c.Event.OnDealMessage = cli.handlerDealMessage //处理分包数据
+
+		logs.Debug("option")
 	})
 	if err != nil {
 		return nil, err
 	}
 
+	logs.Debug("run")
+	logs.Debugf("%#v\n", cli.c.Event.OnReadFrom)
 	go cli.c.Run()
 
 	err = cli.connect()
@@ -55,16 +59,23 @@ func (this *Client) handlerDealMessage(c *client.Client, msg ios.Acker) {
 		return
 	}
 
+	var resp any
 	switch f.Type {
 	case protocol.TypeSecurityQuote:
-		resp := protocol.MSecurityQuote.Decode(f.Data)
-		logs.Debug(resp)
-		this.w.Done(conv.String(f.MsgID), resp)
-		return
+		resp = protocol.MSecurityQuote.Decode(f.Data)
+
+	case protocol.TypeSecurityList:
+		resp, err = protocol.MSecurityList.Decode(f.Data)
 
 	}
 
-	_ = f
+	if err != nil {
+		logs.Err(err)
+		return
+	}
+
+	logs.Debug(resp)
+	this.w.Done(conv.String(f.MsgID), resp)
 
 }
 
@@ -77,6 +88,7 @@ func (this *Client) SendFrame(f *protocol.Frame) (any, error) {
 	return this.w.Wait(conv.String(this.msgID))
 }
 
+// Send 向服务发送数据，并等待响应数据
 func (this *Client) Send(bs []byte) (any, error) {
 	if _, err := this.c.Write(bs); err != nil {
 		return nil, err
@@ -84,6 +96,7 @@ func (this *Client) Send(bs []byte) (any, error) {
 	return this.w.Wait(conv.String(this.msgID))
 }
 
+// Write 实现io.Writer,向服务器写入数据
 func (this *Client) Write(bs []byte) (int, error) {
 	return this.c.Write(bs)
 }
@@ -99,23 +112,13 @@ func (this *Client) connect() error {
 }
 
 // GetSecurityList 获取市场内指定范围内的所有证券代码
-// 0c02000000011a001a003e05050000000000000002000030303030303101363030303038
-func (this *Client) GetSecurityList() (*protocol.SecurityListResp, error) {
-
-	f := protocol.Frame{
-		Control: 0x01,
-		Type:    protocol.TypeConnect,
-		Data:    nil,
-	}
-	_ = f
-
-	bs, err := hex.DecodeString("0c02000000011a001a003e05050000000000000002000030303030303101363030303038")
+func (this *Client) GetSecurityList(exchange protocol.Exchange, starts ...uint16) (*protocol.SecurityListResp, error) {
+	f := protocol.MSecurityList.Frame(exchange, starts...)
+	result, err := this.SendFrame(f)
 	if err != nil {
 		return nil, err
 	}
-
-	_, err = this.Write(bs)
-	return nil, err
+	return result.(*protocol.SecurityListResp), nil
 
 }
 
diff --git a/example/testlist/main.go b/example/testlist/main.go
new file mode 100644
index 0000000..f228701
--- /dev/null
+++ b/example/testlist/main.go
@@ -0,0 +1,21 @@
+package main
+
+import (
+	"github.com/injoyai/logs"
+	"github.com/injoyai/tdx"
+	"github.com/injoyai/tdx/protocol"
+)
+
+func main() {
+	c, err := tdx.Dial("124.71.187.122:7709")
+	logs.PanicErr(err)
+
+	resp, err := c.GetSecurityList(protocol.ExchangeSH)
+	logs.PrintErr(err)
+
+	for _, v := range resp.List {
+		logs.Debugf("%#v\n", v)
+	}
+
+	select {}
+}
diff --git a/go.mod b/go.mod
index f17f952..f735343 100644
--- a/go.mod
+++ b/go.mod
@@ -8,6 +8,7 @@ require (
 	github.com/injoyai/goutil v0.0.0-20241009040015-3d20afe3efe6
 	github.com/injoyai/ios v0.0.3
 	github.com/injoyai/logs v1.0.9
+	golang.org/x/text v0.16.0
 )
 
 require (
@@ -59,7 +60,6 @@ require (
 	golang.org/x/net v0.27.0 // indirect
 	golang.org/x/sync v0.7.0 // indirect
 	golang.org/x/sys v0.22.0 // indirect
-	golang.org/x/text v0.16.0 // indirect
 	google.golang.org/genproto v0.0.0-20221201204527-e3fa12d562f3 // indirect
 	google.golang.org/grpc v1.50.1 // indirect
 	google.golang.org/protobuf v1.31.0 // indirect
diff --git a/protocol/const.go b/protocol/const.go
index b5ed4fb..0e1876e 100644
--- a/protocol/const.go
+++ b/protocol/const.go
@@ -1,12 +1,9 @@
 package protocol
 
-const (
-	Control = 0x01
-)
-
 const (
 	TypeConnect       = 0x000d //建立连接
 	TypeHandshake     = 0xdb0f //握手
+	TypeSecurityList  = 0x0450 //获取股票代码
 	TypeSecurityQuote = 0x053e // 行情信息
 )
 
diff --git a/protocol/frame.go b/protocol/frame.go
index e536354..072d10a 100644
--- a/protocol/frame.go
+++ b/protocol/frame.go
@@ -7,6 +7,7 @@ import (
 	"github.com/injoyai/base/bytes"
 	"github.com/injoyai/base/g"
 	"github.com/injoyai/conv"
+	"github.com/injoyai/logs"
 	"io"
 )
 
@@ -33,10 +34,10 @@ Frame 数据帧
 0c0100000001030003000d0001
 */
 type Frame struct {
-	MsgID   uint32 //消息ID
-	Control uint8  //控制码,这个还不知道怎么定义
-	Type    uint16 //请求类型,如建立连接，请求分时数据等
-	Data    []byte //数据
+	MsgID   uint32  //消息ID
+	Control Control //控制码,这个还不知道怎么定义
+	Type    uint16  //请求类型,如建立连接，请求分时数据等
+	Data    []byte  //数据
 }
 
 func (this *Frame) Bytes() g.Bytes {
@@ -44,7 +45,7 @@ func (this *Frame) Bytes() g.Bytes {
 	data := make([]byte, 12+len(this.Data))
 	data[0] = Prefix
 	copy(data[1:], Bytes(this.MsgID))
-	data[5] = this.Control
+	data[5] = this.Control.Uint8()
 	copy(data[6:], Bytes(length))
 	copy(data[8:], Bytes(length))
 	copy(data[10:], Bytes(this.Type))
@@ -108,6 +109,7 @@ func Decode(bs []byte) (*Response, error) {
 
 // ReadFrom 这里的r推荐传入*bufio.Reader
 func ReadFrom(r io.Reader) (result []byte, err error) {
+	logs.Debug("ReadFrom")
 	prefix := make([]byte, 4)
 	for {
 		result = []byte(nil)
@@ -132,6 +134,7 @@ func ReadFrom(r io.Reader) (result []byte, err error) {
 
 		//获取后续字节长度
 		length := uint16(result[11])<<8 + uint16(result[10])
+		logs.Debug("长度：", length)
 		buf = make([]byte, length)
 		_, err = io.ReadFull(r, buf)
 		if err != nil {
diff --git a/protocol/model_quote.go b/protocol/model_quote.go
index dad9114..8e6efd7 100644
--- a/protocol/model_quote.go
+++ b/protocol/model_quote.go
@@ -3,13 +3,14 @@ package protocol
 import (
 	"errors"
 	"fmt"
+	"github.com/injoyai/conv"
 	"strings"
 )
 
 var (
 	MConnect       = connect{}
 	MSecurityQuote = securityQuote{}
-	SecurityList   = securityList{}
+	MSecurityList  = securityList{}
 )
 
 type ConnectResp struct {
@@ -20,7 +21,7 @@ type connect struct{}
 
 func (connect) Frame() *Frame {
 	return &Frame{
-		Control: Control,
+		Control: Control01,
 		Type:    TypeConnect,
 		Data:    []byte{0x01},
 	}
@@ -55,11 +56,12 @@ type Security struct {
 
 type securityList struct{}
 
-func (securityList) Frame() *Frame {
+func (securityList) Frame(exchange Exchange, starts ...uint16) *Frame {
+	start := conv.DefaultUint16(0, starts...)
 	return &Frame{
-		Control: 0x01,
-		Type:    TypeConnect,
-		Data:    nil,
+		Control: Control01,
+		Type:    TypeSecurityList,
+		Data:    []byte{exchange.Uint8(), 0x0, uint8(start), uint8(start >> 8)},
 	}
 }
 
@@ -69,11 +71,23 @@ func (securityList) Decode(bs []byte) (*SecurityListResp, error) {
 		return nil, errors.New("数据长度不足")
 	}
 
-	count := Uint16(bs[:2])
+	resp := &SecurityListResp{
+		Count: Uint16(bs[:2]),
+	}
+	bs = bs[2:]
 
-	_ = count
+	for i := uint16(0); i < resp.Count; i++ {
+		sec := &Security{
+			Code:     String(bs[:6]),
+			VolUnit:  Uint16(bs[6:8]),
+			Name:     string(UTF8ToGBK(bs[8:16])),
+			PreClose: getVolume(Uint32(bs[16:20])),
+		}
+		bs = bs[20:]
+		resp.List = append(resp.List, sec)
+	}
 
-	return nil, nil
+	return resp, nil
 
 }
 
@@ -139,7 +153,7 @@ type securityQuote struct{}
 
 func (this securityQuote) Frame(m map[Exchange]string) (*Frame, error) {
 	f := &Frame{
-		Control: Control,
+		Control: Control01,
 		Type:    TypeSecurityQuote,
 		Data:    []byte{0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
 	}
diff --git a/protocol/model_quote_test.go b/protocol/model_quote_test.go
index 5fe015a..ec0fc1c 100644
--- a/protocol/model_quote_test.go
+++ b/protocol/model_quote_test.go
@@ -42,3 +42,12 @@ func Test_getPrice(t *testing.T) {
 	t.Log(getPrice([]byte{0x7f, 0x3f, 0x40, 0x3f, 0x01})) //预期-63
 	t.Log(getPrice([]byte{0x2f, 0x3f, 0x40, 0x3f, 0x01})) //预期47
 }
+
+/*
+0c000000000106000600500400000000
+0c020000000106000600500400000000
+*/
+func Test_securityList_Frame(t *testing.T) {
+	f := MSecurityList.Frame(ExchangeSH, 0)
+	t.Log(f.Bytes().HEX())
+}
diff --git a/protocol/types.go b/protocol/types.go
index fc740fa..c6d575d 100644
--- a/protocol/types.go
+++ b/protocol/types.go
@@ -1,5 +1,15 @@
 package protocol
 
+type Control uint8
+
+func (this Control) Uint8() uint8 {
+	return uint8(this)
+}
+
+const (
+	Control01 Control = 0x01 //好像都是01，暂时不知道啥含义
+)
+
 type Exchange uint8
 
 func (this Exchange) Uint8() uint8 { return uint8(this) }