diff --git a/protocol/model_kline.go b/protocol/model_kline.go
index bd27f70..9e9e495 100644
--- a/protocol/model_kline.go
+++ b/protocol/model_kline.go
@@ -43,7 +43,7 @@ type Kline struct {
 	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 float64   //成交额
+	Amount Price     //成交额
 	Time   time.Time //时间
 }
 
@@ -52,7 +52,7 @@ func (this *Kline) String() string {
 		this.Time.Format("2006-01-02 15:04:05"),
 		this.Last, this.Open, this.High, this.Low, this.Close,
 		this.RisePrice(), this.RiseRate(),
-		Int64UnitString(this.Volume), FloatUnitString(this.Amount),
+		Int64UnitString(this.Volume), FloatUnitString(this.Amount.Float64()),
 	)
 }
 
@@ -138,7 +138,7 @@ func (kline) Decode(bs []byte, Type uint8) (*KlineResp, error) {
 		last = last + open + _close
 
 		k.Volume = int64(getVolume(Uint32(bs[:4])) / 100)
-		k.Amount = getVolume(Uint32(bs[4:8]))
+		k.Amount = Price(getVolume(Uint32(bs[4:8])) * 100) //转为分,并去除多余的小数
 
 		bs = bs[8:]
 		resp.List = append(resp.List, k)