diff --git a/README.md b/README.md
index 5c43234..2f99012 100644
--- a/README.md
+++ b/README.md
@@ -4,10 +4,10 @@ This module can be used to quickly set up a CoLink protocol with just a few line
 
 ## Running a Protocol by Playbook
 
-1. Download the release binary of your system from GitHub.
+1. install the playbook from GitHub.
 
     ```bash
-    bash -c "$(curl -fsSL https://raw.githubusercontent.com/CoLearn-Dev/colink-playbook-dev/main/download.sh)"
+    bash -c "$(curl -fsSL https://raw.githubusercontent.com/CoLearn-Dev/colink-playbook-dev/main/install.sh)"
     ```
 
     You can also build from source
diff --git a/download.sh b/download.sh
deleted file mode 100644
index f1837f1..0000000
--- a/download.sh
+++ /dev/null
@@ -1,11 +0,0 @@
-tag=$(wget -qO- -t1 -T2 "https://api.github.com/repos/CoLearn-Dev/colink-playbook-dev/releases/latest" | grep "tag_name" | head -n 1 | awk -F ":" '{print $2}' | sed 's/\"//g;s/,//g;s/ //g')
-download_url=https://github.com/CoLearn-Dev/colink-playbook-dev/releases/download/${tag}
-echo ${download_url}
-if [ "$(uname)" == "Linux" ]; then
-  wget -O colink-playbook ${download_url}/colink-playbook-linux-x86_64
-elif [ "$(uname)" == "Darwin" ]; then
-  wget -O colink-playbook ${download_url}/colink-playbook-macos-x86_64
-else
-  echo "Unsupported operating system" >&2
-  exit 1
-fi
diff --git a/install.sh b/install.sh
new file mode 100644
index 0000000..3de4daf
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,26 @@
+tag=$(wget -qO- -t1 -T2 "https://api.github.com/repos/CoLearn-Dev/colink-playbook-dev/releases/latest" | grep "tag_name" | head -n 1 | awk -F ":" '{print $2}' | sed 's/\"//g;s/,//g;s/ //g')
+download_url=https://github.com/CoLearn-Dev/colink-playbook-dev/releases/download/${tag}
+
+if [ -z $COLINK_HOME ]; then
+    COLINK_HOME="$HOME/.colink"
+fi
+mkdir -p $COLINK_HOME
+echo "Install colink-playbook to $COLINK_HOME"
+
+PACKAGE_NAME="colink-playbook-linux-x86_64"
+if [ "$(uname)" == "Darwin" ]; then
+  PACKAGE_NAME="colink-playbook-macos-x86_64"
+fi
+
+URL="${download_url}/${PACKAGE_NAME}"
+if command -v curl > /dev/null ; then
+    curl -fsSL $URL -o $COLINK_HOME/colink-playbook
+elif command -v wget > /dev/null ; then
+    wget $URL -O $COLINK_HOME/colink-playbook
+else
+    print_str "command not found: wget or curl"
+    exit 1
+fi
+
+chmod +x $COLINK_HOME/colink-playbook
+echo "Install colink-playbook: done"
\ No newline at end of file