diff --git a/Docker/README.md b/Docker/README.md
index 5be2cbe6a1f..fe8486e7dc5 100644
--- a/Docker/README.md
+++ b/Docker/README.md
@@ -198,4 +198,5 @@ The `blocks` data are stored under `--data-dir` by default, and the wallet files
 
 ### About MongoDB Plugin
 
-Currently, the mongodb plugin is disabled in `config.ini` by default, you have to change it manually in `config.ini` or you can mount a `config.ini` file to `/opt/eosio/bin/data-dir/config.ini` in the docker-compose file.
\ No newline at end of file
+Currently, the mongodb plugin is disabled in `config.ini` by default, you have to change it manually in `config.ini` or you can mount a `config.ini` file to `/opt/eosio/bin/data-dir/config.ini` in the docker-compose file.
+
diff --git a/README.md b/README.md
index 6387dc0e7ea..75e3c252bc5 100644
--- a/README.md
+++ b/README.md
@@ -28,16 +28,6 @@ As BOS continues to develop, developer rewards will be appropriately adjusted to
 ## Start
 1. Build from code : `bash ./eosio_build.sh -s BOS`
 2. Docker Style，check [Docker](./Docker/README.md)
-3. Mac OS X Brew install and uninstall 
-#### Mac OS X Brew Install
-```sh
-$ brew tap boscore/bos
-$ brew install bos
-```
-#### Mac OS X Brew Uninstall
-```sh
-$ brew remove bos
-```
 
 ## BOSCore Workflow
 BOSCore encourage community developer actively participate in contributing the code, members should follow the workflow below.
@@ -55,3 +45,4 @@ BOSCore bases on EOSIO, so you can also referer:
 
 [EOSIO Developer Portal](https://developers.eos.io).
 
+
diff --git a/README_CN.md b/README_CN.md
index dbc1f27b2bf..6d09fb6c36c 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -28,16 +28,6 @@ BOS链的代码完全由社区贡献并维护，每个生态参与者都可以
 ## 开始
 1. 源码直接编译: `bash ./eosio_build.sh -s BOS`
 2. Docker方式部署，参看 [Docker](./Docker/README.md)
-3. Mac OS X Brew 安装 和 卸载 
-#### Mac OS X Brew 安装
-```sh
-$ brew tap boscore/bos
-$ brew install bos
-```
-#### Mac OS X Brew 卸载
-```sh
-$ brew remove bos
-```
 
 ## BOSCore 开发流程 
 BOSCore 鼓励社区开发者参与代码贡献，社区成员应当遵循以下工作流：
@@ -55,3 +45,4 @@ BOSCore是基于EOSIO技术的扩展，所以EOSIO的相关资料也可以参考
 
 [EOSIO 开发者门户](https://developers.eos.io).
 
+
diff --git a/libraries/chain/controller.cpp b/libraries/chain/controller.cpp
index 72975fd4bf9..b582e6ee40c 100644
--- a/libraries/chain/controller.cpp
+++ b/libraries/chain/controller.cpp
@@ -1945,6 +1945,7 @@ void controller::abort_block() {
 
 boost::asio::thread_pool& controller::get_thread_pool() {
    return my->thread_pool;
+
 }
 
 std::future<block_state_ptr> controller::create_block_state_future( const signed_block_ptr& b ) {