diff --git a/README.md b/README.md
index e7632c78..9b08af42 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ $ build/build.sh --update
 $ build/build.sh --skipTests
 
 # 首次代码拉取，跳过集成测试和编译打包可执行：
-build/build.sh --update --skipTests
+$ build/build.sh --update --skipTests
 ```
 
 构建完成后会在`deploy`模块，`deploy-gateway`和`deploy-peer`目录`target`中生成网关安装部署包（`jdchain-gateway-*.zip`）和共识节点安装部署包（`jdchain-peer-*.zip`）。
diff --git a/core b/core
index 923fc870..fb383738 160000
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit 923fc8701594b57df1936c4e770dc6cf5388438d
+Subproject commit fb383738ea80654293d2fa1d78d1844a1ca47f0d
diff --git a/libs/kvdb b/libs/kvdb
index 9a7235f1..885d6dde 160000
--- a/libs/kvdb
+++ b/libs/kvdb
@@ -1 +1 @@
-Subproject commit 9a7235f1eb63f7f22bc1f5995778633c9a086c89
+Subproject commit 885d6dde4851d07ba3518da290c5db196a8af24c
diff --git a/project b/project
index f3ecdaaa..db4db74c 160000
--- a/project
+++ b/project
@@ -1 +1 @@
-Subproject commit f3ecdaaaaea64b59b60200d9a2d13665d99dfccf
+Subproject commit db4db74cc03d3a45d01a85893665372a6fd95bbc