update change log

CHANGELOG.md

@@ -1,14 +1,19 @@
 # Changelog
 
 ## latest
+
+FEATURES
+* [\#71](https://github.com/binance-chain/go-sdk/pull/71) [RPC] add timelock query support 
+* [\#73](https://github.com/binance-chain/go-sdk/pull/73) [RPC] add limit param to get depth api for RPC
+
+
+## v1.0.8
 IMPROVEMENTS
 * [\#53](https://github.com/binance-chain/go-sdk/pull/53) [SOURCE] change the default source into 0
 * [\#56](https://github.com/binance-chain/go-sdk/pull/56) [RPC] add reconnect strategy when timeout to receive response
 * [\#61](https://github.com/binance-chain/go-sdk/pull/61) [KEY] support bip44 to derive many address from same seed phase
-* [\#71](https://github.com/binance-chain/go-sdk/pull/71) [RPC] add timelock query support 
 
 FEATURES
-
 * [\#66](https://github.com/binance-chain/go-sdk/pull/66)  [API]  support set account flag transaction
 
 BREAKING