diff --git a/client.go b/client.go
index 5dc647a..3f25d7f 100644
--- a/client.go
+++ b/client.go
@@ -501,21 +501,3 @@ func (this *Client) GetKlineYearAll(code string) (*protocol.KlineResp, error) {
 func (this *Client) GetKlineYearUntil(code string, f func(k *protocol.Kline) bool) (*protocol.KlineResp, error) {
 	return this.GetKlineUntil(protocol.TypeKlineYear, code, f)
 }
-
-/*
-
-
- */
-
-func (this *Client) GetIndex(Type uint8, code string, start, count uint16) (*protocol.IndexResp, error) {
-	//f, err := protocol.MIndex.Frame(Type, code, start, count)
-	//if err != nil {
-	//	return nil, err
-	//}
-	f := protocol.MIndex.Frame()
-	result, err := this.SendFrame(f, Type)
-	if err != nil {
-		return nil, err
-	}
-	return result.(*protocol.IndexResp), nil
-}
diff --git a/protocol/model_index.go b/protocol/model_index.go
deleted file mode 100644
index ebb40e5..0000000
--- a/protocol/model_index.go
+++ /dev/null
@@ -1,81 +0,0 @@
-package protocol
-
-import (
-	"errors"
-	"time"
-)
-
-type IndexResp struct {
-	Count uint16
-	List  []*IndexKline
-}
-
-type IndexKline struct {
-	Last      Price     //昨日收盘价,这个是列表的上一条数据的收盘价，如果没有上条数据，那么这个值为0
-	Open      Price     //开盘价
-	High      Price     //最高价
-	Low       Price     //最低价
-	Close     Price     //收盘价,如果是当天,则是最新价/实时价
-	Volume    int64     //成交量
-	Amount    Price     //成交额
-	Time      time.Time //时间
-	UpCount   uint16    //
-	DownCount uint16    //
-}
-
-type index struct{}
-
-func (index) Frame() *Frame {
-	return &Frame{
-		Control: Control01,
-		Type:    TypeIndex,
-		Data:    make([]byte, 10),
-	}
-}
-
-func (index) Decode(bs []byte, Type uint8) (*IndexResp, error) {
-
-	if len(bs) < 2 {
-		return nil, errors.New("数据长度不足")
-	}
-
-	resp := &IndexResp{
-		Count: Uint16(bs[:2]),
-	}
-
-	bs = bs[2:]
-
-	var last Price //上条数据(昨天)的收盘价
-	for i := uint16(0); i < resp.Count; i++ {
-		k := &IndexKline{
-			Time: GetTime([4]byte(bs[:4]), Type),
-		}
-
-		var open Price
-		bs, open = GetPrice(bs[4:])
-		var _close Price
-		bs, _close = GetPrice(bs)
-		var high Price
-		bs, high = GetPrice(bs)
-		var low Price
-		bs, low = GetPrice(bs)
-
-		k.Last = last / 10
-		k.Open = (open + last) / 10
-		k.Close = (last + open + _close) / 10
-		k.High = (open + last + high) / 10
-		k.Low = (open + last + low) / 10
-		last = last + open + _close
-
-		k.Volume = int64(getVolume(Uint32(bs[:4])))
-		switch Type {
-		case TypeKlineMinute, TypeKline5Minute, TypeKlineMinute2, TypeKline15Minute, TypeKline30Minute, TypeKlineHour, TypeKlineDay2:
-			k.Volume /= 100
-		}
-		k.Amount = Price(getVolume(Uint32(bs[4:8])) * 100) //从元转为分,并去除多余的小数
-
-		resp.List = append(resp.List, k)
-	}
-
-	return resp, nil
-}