diff --git a/README.md b/README.md
index b96efdd..3f63c8e 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 cookiecutter python template (pkgs, modules and tests)
 
-    git clone https://github.com/chhsiao1981/cc-python-template.git .cc && ./.cc/scripts/init_dev.sh && source __/bin/activate
+    git clone https://github.com/chhsiao1981/cc-python-template.git .cc && ./.cc/scripts/init_dev.sh && source .venv/bin/activate
 
 * create module: ./scripts/dev_module.sh
 
diff --git a/scripts/init_dev.sh b/scripts/init_dev.sh
index 1e5f0fb..5212923 100755
--- a/scripts/init_dev.sh
+++ b/scripts/init_dev.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 # virtualenv_dir
-virtualenv_dir="${BASH_ARGV[0]:-__}"
+virtualenv_dir="${BASH_ARGV[0]:-.venv}"
 
 # cc_dir
 cc_dir="${BASH_ARGV[1]:-.cc}"
@@ -70,4 +70,4 @@ fi
 
 # done
 echo -e "\033[1;32m[INFO]\033[m done"
-echo -e "\033[1;32m[INFO]\033[m remember to: \033[1;32m. ${virtualenv_dir}/bin/activate\033[m"
+echo -e "\033[1;32m[INFO]\033[m remember to: \033[1;32msource ${virtualenv_dir}/bin/activate\033[m"