diff --git a/.gitignore b/.gitignore
index dc51315af..488f8a776 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,7 @@
 .env
 env
 env*
+venv
 dist
 build
 *.egg
diff --git a/docs/contact.rst b/docs/contact.rst
index d858258cf..d7b8fb71e 100644
--- a/docs/contact.rst
+++ b/docs/contact.rst
@@ -7,7 +7,7 @@
 `阿里云市场购买: <https://market.aliyun.com/products/53690006/cmgj026011.html>`_
 
 
-QQ群
+QQ 群
 ~~~~~~~~
 
 群1: 390139816 (推荐)
diff --git a/docs/step_by_step.rst b/docs/step_by_step.rst
index 92a1d9e75..aaa398ee1 100644
--- a/docs/step_by_step.rst
+++ b/docs/step_by_step.rst
@@ -26,7 +26,7 @@
 
 ::
 
-    $ yum -y install wget sqlite-devel xz gcc automake zlib-devel openssl-devel epel-release
+    $ yum -y install wget sqlite-devel xz gcc automake zlib-devel openssl-devel epel-release git
 
 **1.2 编译安装**