diff --git a/initial.sh b/initial.sh
index 7146500..6d57e29 100644
--- a/initial.sh
+++ b/initial.sh
@@ -25,8 +25,8 @@ sysctl net.ipv4.tcp_available_congestion_control   #执行
 
 apt update
 apt -y install sudo wget curl unzip ufw screen vim git python3-pip
-curl -fsSL https://get.docker.com | bash -s docker >${PWD}/step1 2>&1
-curl -L https://github.com/docker/compose/releases/download/${tag}/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose && chmod +x /usr/local/bin/docker-compose
+for pkg in docker.io docker-doc docker-compose podman-docker containerd runc; do sudo apt-get remove $pkg; done
+curl -fsSL https://get.docker.com | bash
 echo "step 1: install has finished"