diff --git a/rest/rest.go b/rest/rest.go
index 0f600de..71d8ceb 100644
--- a/rest/rest.go
+++ b/rest/rest.go
@@ -50,6 +50,12 @@ type Okexv5APIResponse struct {
 	Data interface{} `json:"data"`
 }
 
+type CandleData struct {
+	Code string          `json:"code"`
+	Msg  string          `json:"msg"`
+	Data [][]interface{} `json:"data"` // 用二维数组来接收 candles 数据
+}
+
 /*
 endPoint:请求地址
 apiKey
@@ -118,8 +124,8 @@ func (this *RESTAPI) SetTimeOut(timeout time.Duration) *RESTAPI {
 	return this
 }
 
-// GET请求
-func (this *RESTAPI) Get(ctx context.Context, uri string, param *map[string]interface{}) (res *RESTAPIResult, err error) {
+// GetCandles 获取蜡烛图数据
+func (this *RESTAPI) GetCandles(ctx context.Context, uri string, param *map[string]interface{}) (res *RESTAPIResult, err error) {
 	this.Method = GET
 	this.Uri = uri