update standalone fate source code deployment doc

deploy/standalone-deploy/doc/standalone_fate_source_code_deployment_guide.md

@@ -48,22 +48,27 @@ Please install or use existing Python version 3.6 or 3.7, preferably 3.6.5, whic
 ### 4.2 Configuring a virtual environment for FATE
 
 ```bash
-cd(or create) {root directory for the virtual environment}
-virtualenv {name of virtual environment}
-source {virtual environment name}/bin/activate
+virtualenv --version
 ```
 
-Call the virtual environment directory `FATE_VENV_BASE`, which is {root directory where the virtual environment is placed}/{virtual environment name}, as used in the following document
-If you don't have the `virtualenv` command, please install it yourself, but in most cases you can use a similar command
+If the version information is returned normally, then the virtual environment tool is installed, if the command does not exist, please install it yourself, in most cases you can use a similar command to install
 
 ```bash
 pip install virtualenv
 ```
 
+```bash
+cd(or create) {root directory for the virtual environment}
+virtualenv {name of virtual environment}
+export FATE_VENV_BASE={root directory for the virtual environment}/{name of virtual environment}
+source ${FATE_VENV_BASE}/bin/activate
+```
+
 ### 4.3 Installing Python dependencies for FATE
 
 ```bash
 cd ${FATE_PROJECT_BASE}
+sh bin/install_os_dependencies.sh
 source ${FATE_VENV_BASE}/bin/activate
 pip install -r python/requirements.txt
 ```
@@ -76,14 +81,8 @@ Edit the `bin/init_env.sh` environment variable file
 
 ```bash
 cd ${FATE_PROJECT_BASE}
-sed -i.bak "s#PYTHONPATH=. *#PYTHONPATH=$PWD/python:$PWD/fateflow/python#g" . /bin/init_env.sh
-```
-
-Modify the following environment variables at the same time
-
-```bash
-vim bin/init_env.sh
-venv=${FATE_VENV_BASE}
+sed -i.bak "s#PYTHONPATH=. *#PYTHONPATH=$PWD/python:$PWD/fateflow/python#g" ./bin/init_env.sh
+sed -i.bak "s#venv=.*#venv=${FATE_VENV_BASE}#g" ./bin/init_env.sh
 ```
 
 Check if the `conf/service_conf.yaml` global configuration file has the base engine configured as standalone, if `default_engines` shows the following, then it is standalone

deploy/standalone-deploy/doc/standalone_fate_source_code_deployment_guide.zh.md

@@ -50,22 +50,27 @@ git clone https://github.com/FederatedAI/FATE.git -b $branch --recurse-submodule
 ### 4.2 为FATE配置虚拟环境
 
 ```bash
-cd(or create) {放置虚拟环境的根目录}
-virtualenv {虚拟环境名称}
-source {虚拟环境名称}/bin/activate
+virtualenv --version
 ```
 
-将虚拟环境目录称之为`FATE_VENV_BASE`, 其为{放置虚拟环境的根目录}/{虚拟环境名称}, 如下文档中将用到
-如果没有`virtualenv`命令，请自行安装，大多情况下可以使用类似命令安装
+若能正常返回版本信息, 则虚拟环境工具已安装, 若提示命令不存在, 请自行安装，大多情况下可以使用类似命令安装
 
 ```bash
 pip install virtualenv
 ```
 
+```bash
+cd(or create) {放置虚拟环境的根目录}
+virtualenv {虚拟环境名称}
+export FATE_VENV_BASE={放置虚拟环境的根目录}/{虚拟环境名称}
+source ${FATE_VENV_BASE}/bin/activate
+```
+
 ### 4.3 安装FATE所需要的Python依赖包
 
 ```bash
 cd ${FATE_PROJECT_BASE}
+sh bin/install_os_dependencies.sh
 source ${FATE_VENV_BASE}/bin/activate
 pip install -r python/requirements.txt
 ```
@@ -79,13 +84,7 @@ pip install -r python/requirements.txt
 ```bash
 cd ${FATE_PROJECT_BASE}
 sed -i.bak "s#PYTHONPATH=.*#PYTHONPATH=$PWD/python:$PWD/fateflow/python#g" ./bin/init_env.sh
-```
-
-同时修改如下环境变量
-
-```bash
-vim bin/init_env.sh
-venv=${FATE_VENV_BASE}
+sed -i.bak "s#venv=.*#venv=${FATE_VENV_BASE}#g" ./bin/init_env.sh
 ```
 
 检查`conf/service_conf.yaml`全局配置文件中是否将基础引擎配置为单机版, 若`default_engines`显示如下，则为单机版