diff --git a/README.md b/README.md
index 8159ddc..c359f50 100644
--- a/README.md
+++ b/README.md
@@ -31,15 +31,15 @@
 * 支持实盘
 
 ## 支持交易所
-| 交易所                                                 | 回测               | 实盘              | Broker            |
-| ----------------------------------------------------- |------------------ | ----------------- | ----------------- |
-| [BitMEX](https://www.bitmex.com/register/o0Duru)      | Yes               | Yes               | [Sim](https://github.com/coinrust/crex/tree/master/brokers/bitmex-sim-broker) / [Live](https://github.com/coinrust/crex/tree/master/brokers/bitmex-broker) |
-| [Deribit](https://www.deribit.com/reg-7357.93)        | Yes               | Yes               | [Sim](https://github.com/coinrust/crex/tree/master/brokers/deribit-sim-broker) / [Live](https://github.com/coinrust/crex/tree/master/brokers/deribit-broker) |
-| [Bybit](https://www.bybit.com/app/register?ref=qQggy) | No                | Yes               | [Live](https://github.com/coinrust/crex/tree/master/brokers/bybit-broker) |
-| [Huobi DM](https://www.huobi.io/zh-cn/topic/invited/?invite_code=7hzc5) | No                | Yes               | [Live](https://github.com/coinrust/crex/tree/master/brokers/hbdm-broker) |
-| [Huobi Swap](https://www.huobi.io/zh-cn/topic/invited/?invite_code=7hzc5) | No                | Yes               | [Live](https://github.com/coinrust/crex/tree/master/brokers/hbdm-swap-broker) |
-| [OKEX Futures](https://www.okex.com/join/1890951) | No                | Yes               | [Live](https://github.com/coinrust/crex/tree/master/brokers/okex-futures-broker) |
-| [OKEX Swap](https://www.okex.com/join/1890951) | No                | Yes               | [Live](https://github.com/coinrust/crex/tree/master/brokers/okex-swap-broker) |
+| name                                                                      | id             | ver | doc                                                               |
+| ------------------------------------------------------------------------- | -------------- | --- | ----------------------------------------------------------------- |
+| [BitMEX](https://www.bitmex.com/register/o0Duru)                          | bitmex         | 1   | [API](https://www.bitmex.com/app/apiOverview)                     |
+| [Deribit](https://www.deribit.com/reg-7357.93)                            | deribit        | 2   | [API](https://docs.deribit.com/)                                  |
+| [Bybit](https://www.bybit.com/app/register?ref=qQggy)                     | bybit          | 2   | [API](https://bybit-exchange.github.io/docs/inverse/)             |
+| [Huobi DM](https://www.huobi.io/zh-cn/topic/invited/?invite_code=7hzc5)   | hbdm           | 1   | [API](https://docs.huobigroup.com/docs/dm/v1/cn/)                 |
+| [Huobi Swap](https://www.huobi.io/zh-cn/topic/invited/?invite_code=7hzc5) | hbdmswap       | 1   | [API](https://docs.huobigroup.com/docs/coin_margined_swap/v1/cn/) |
+| [OKEX Futures](https://www.okex.com/join/1890951)                         | okexfutures    | 3   | [API](https://www.okex.me/docs/zh/#futures-README)                |
+| [OKEX Swap](https://www.okex.com/join/1890951)                            | okexswap       | 3   | [API](https://www.okex.me/docs/zh/#swap-README)                   |
 
 ## 示例
 ```golang
diff --git a/README_en.md b/README_en.md
index 23a82ed..b09561c 100644
--- a/README_en.md
+++ b/README_en.md
@@ -31,16 +31,15 @@ See [@live trading](https://github.com/coinrust/crex/blob/master/examples/live/m
 * Backtesting and live-trading functionality.
 
 ### Supported Exchanges
-| Exchange Name                                         | Backtesting       | Live trading      | Broker            |
-| ----------------------------------------------------- |------------------ | ----------------- | ----------------- |
-| ----------------------------------------------------- |------------------ | ----------------- | ----------------- |
-| [BitMEX](https://www.bitmex.com/register/o0Duru)      | Yes               | Yes               | [Sim](https://github.com/coinrust/crex/tree/master/brokers/bitmex-sim-broker) / [Live](https://github.com/coinrust/crex/tree/master/brokers/bitmex-broker) |
-| [Deribit](https://www.deribit.com/reg-7357.93)        | Yes               | Yes               | [Sim](https://github.com/coinrust/crex/tree/master/brokers/deribit-sim-broker) / [Live](https://github.com/coinrust/crex/tree/master/brokers/deribit-broker) |
-| [Bybit](https://www.bybit.com/app/register?ref=qQggy) | No                | Yes               | [Live](https://github.com/coinrust/crex/tree/master/brokers/bybit-broker) |
-| [Huobi DM](https://www.huobi.io/zh-cn/topic/invited/?invite_code=7hzc5) | No                | Yes               | [Live](https://github.com/coinrust/crex/tree/master/brokers/hbdm-broker) |
-| [Huobi Swap](https://www.huobi.io/zh-cn/topic/invited/?invite_code=7hzc5) | No                | Yes               | [Live](https://github.com/coinrust/crex/tree/master/brokers/hbdm-swap-broker) |
-| [OKEX Futures](https://www.okex.com/join/1890951) | No                | Yes               | [Live](https://github.com/coinrust/crex/tree/master/brokers/okex-futures-broker) |
-| [OKEX Swap](https://www.okex.com/join/1890951) | No                | Yes               | [Live](https://github.com/coinrust/crex/tree/master/brokers/okex-swap-broker) |
+| name                                                                      | id             | ver | doc                                                               |
+| ------------------------------------------------------------------------- | -------------- | --- | ----------------------------------------------------------------- |
+| [BitMEX](https://www.bitmex.com/register/o0Duru)                          | bitmex         | 1   | [API](https://www.bitmex.com/app/apiOverview)                     |
+| [Deribit](https://www.deribit.com/reg-7357.93)                            | deribit        | 2   | [API](https://docs.deribit.com/)                                  |
+| [Bybit](https://www.bybit.com/app/register?ref=qQggy)                     | bybit          | 2   | [API](https://bybit-exchange.github.io/docs/inverse/)             |
+| [Huobi DM](https://www.huobi.io/zh-cn/topic/invited/?invite_code=7hzc5)   | hbdm           | 1   | [API](https://docs.huobigroup.com/docs/dm/v1/cn/)                 |
+| [Huobi Swap](https://www.huobi.io/zh-cn/topic/invited/?invite_code=7hzc5) | hbdmswap       | 1   | [API](https://docs.huobigroup.com/docs/coin_margined_swap/v1/cn/) |
+| [OKEX Futures](https://www.okex.com/join/1890951)                         | okexfutures    | 3   | [API](https://www.okex.me/docs/zh/#futures-README)                |
+| [OKEX Swap](https://www.okex.com/join/1890951)                            | okexswap       | 3   | [API](https://www.okex.me/docs/zh/#swap-README)                   |
 
 ### Example
 ```golang
diff --git a/brokers/consts.go b/brokers/consts.go
index f68bfd9..cd5afb0 100644
--- a/brokers/consts.go
+++ b/brokers/consts.go
@@ -1,11 +1,11 @@
 package brokers
 
 const (
-	BitMEX      = "BitMEX"
-	Deribit     = "Deribit"
-	Bybit       = "Bybit"
-	HBDM        = "HBDM"
-	HBDMSwap    = "HBDMSwap"
-	OKEXFutures = "OKEXFutures"
-	OKEXSwap    = "OKEXSwap"
+	BitMEX      = "bitmex"
+	Deribit     = "deribit"
+	Bybit       = "bybit"
+	HBDM        = "hbdm"
+	HBDMSwap    = "hbdmswap"
+	OKEXFutures = "okexfutures"
+	OKEXSwap    = "okexswap"
 )