diff --git a/README-CN.md b/README-CN.md
index 39d979c12337116a98fc52c18216b646e4f41e23..ad31266bd4dd559c4fb402109c9a4d869c3526c1 100644
--- a/README-CN.md
+++ b/README-CN.md
@@ -161,12 +161,7 @@ git clone https://github.com/taosdata/TDengine.git
 cd TDengine
 ```
 
-Go 连接器和 Grafana 插件在其他独立仓库，如果安装它们的话，需要在 TDengine 目录下通过此命令安装：
-
-```bash
-git submodule update --init --recursive
-```
-
+Go 连接器和 Grafana 插件已移到其他独立仓库。
 如果使用 https 协议下载比较慢，可以通过修改 ~/.gitconfig 文件添加以下两行设置使用 ssh 协议下载。需要首先上传 ssh 密钥到 GitHub，详细方法请参考 GitHub 官方文档。
 
 ```
@@ -187,7 +182,6 @@ git submodule update --init --recursive
 这个脚本等价于执行如下命令：
 
 ```bash
-git submodule update --init --recursive
 mkdir debug
 cd debug
 cmake .. -DBUILD_TOOLS=true
diff --git a/README.md b/README.md
index d4b8321813235f46842e7307a238623fc952c46a..309bf16d7756f4c091159f5116e08b9f29f930f3 100644
--- a/README.md
+++ b/README.md
@@ -164,12 +164,7 @@ git clone https://github.com/taosdata/TDengine.git
 cd TDengine
 ```
 
-The connectors for go & Grafana and some tools have been moved to separated repositories,
-so you should run this command in the TDengine directory to install them:
-
-```bash
-git submodule update --init --recursive
-```
+The connectors for go & Grafana and some tools have been moved to separated repositories.
 
 You can modify the file ~/.gitconfig to use ssh protocol instead of https for better download speed. You need to upload ssh public key to GitHub first. Please refer to GitHub official documentation for detail.
 
@@ -191,7 +186,6 @@ You can run the bash script `build.sh` to build both TDengine and taosTools incl
 It equals to execute following commands:
 
 ```bash
-git submodule update --init --recursive
 mkdir debug
 cd debug
 cmake .. -DBUILD_TOOLS=true
diff --git a/build.sh b/build.sh
new file mode 100644
index 0000000000000000000000000000000000000000..78f08afa7a772e2a9f05178244f2443e0ec45925
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+if [ ! -d debug ]; then
+    mkdir debug || echo -e "failed to make directory for build"
+fi
+
+cd debug && cmake .. -DBUILD_TOOLS=true && make
+
diff --git a/docs/assets/tdengine.svg b/docs/assets/tdengine.svg
new file mode 100644
index 0000000000000000000000000000000000000000..fd3f5955b3c585144926ea1ca06b508df18eba7a
--- /dev/null
+++ b/docs/assets/tdengine.svg
@@ -0,0 +1,44 @@
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