diff --git a/.env b/.env
index ce2d672..ddd0a2f 100644
--- a/.env
+++ b/.env
@@ -1,5 +1,3 @@
-MODE="single"
-# MODE="cluster"
 MASTER1="10.0.0.112"
 MASTER2="10.0.0.122"
 MASTER3="10.0.0.132"
diff --git a/scripts/0-config.sh b/scripts/0-config.sh
index fe8eef6..fdb0e58 100755
--- a/scripts/0-config.sh
+++ b/scripts/0-config.sh
@@ -3,10 +3,13 @@ set -euo pipefail
 
 source .env
 
+# 生成keepalived配置文件
 sed -e "s/__MASTER1__/${MASTER1}/g" \
     -e "s/__MASTER2__/${MASTER2}/g" \
     -e "s/__MASTER3__/${MASTER3}/g" \
     -e "s/__VIP__/${VIP}/g" \
     -i keepalived/*.conf
 
-sed -e "s/__API_SERVER__/${VIP}/g" -i 2-create_k8s.sh
\ No newline at end of file
+# 修改脚本内VIP
+sed -e "s/__API_SERVER__/${VIP}/g" -i 2-create_k8s.sh
+
diff --git a/scripts/0-kernel_5.4.sh b/scripts/0-kernel_5.4.sh
index 497f057..f61bb20 100755
--- a/scripts/0-kernel_5.4.sh
+++ b/scripts/0-kernel_5.4.sh
@@ -2,4 +2,4 @@
 set -euo pipefail
 
 # 更新内核, 可选操作
-cd ../kernel_5.4 && bash install.sh && cd ..
+cd ../kernel_5.4 && bash install.sh && cd -
diff --git a/scripts/1-init.sh b/scripts/1-init.sh
index 661b739..03a88a2 100755
--- a/scripts/1-init.sh
+++ b/scripts/1-init.sh
@@ -26,6 +26,6 @@ sudo sysctl --system
 swapoff -a
 sed -i 's/.*swap.*/#&/' /etc/fstab
 
-cd ./docker && bash ./install.sh && cd ..
-cd ./kubeadm && bash ./install.sh && cd ..
+cd ../docker && bash ./install.sh && cd -
+cd ../kubeadm && bash ./install.sh && cd -
 
diff --git a/scripts/2-create_k8s.sh b/scripts/2-create_k8s.sh
index 1e16fa5..1716395 100755
--- a/scripts/2-create_k8s.sh
+++ b/scripts/2-create_k8s.sh
@@ -25,4 +25,4 @@ source <(kubectl completion bash)
 EOF
 fi
 
-cd flannel && bash install.sh && cd ..
+cd ../flannel && bash install.sh && cd -
diff --git a/scripts/3-nginx_ingress.sh b/scripts/3-nginx_ingress.sh
index 22e0aa9..4374044 100755
--- a/scripts/3-nginx_ingress.sh
+++ b/scripts/3-nginx_ingress.sh
@@ -1,4 +1,4 @@
 #!/bin/bash
 set -euo pipefail
 
-cd ingress-nginx && bash install.sh && cd ..
+cd ../ingress-nginx && bash install.sh && cd -
diff --git a/single.sh b/single.sh
new file mode 100644
index 0000000..925ad73
--- /dev/null
+++ b/single.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+set -euo pipefail
+
+VIP="10.0.0.32"
+
+if [ $(id -u) != "0" ]; then
+    echo "Error: You must be root to run this script"
+    exit 1
+fi
+
+source .env
+
+
+cd scripts
+./1-init.sh
+sed -e "s/__API_SERVER__/${VIP}/g" -i 2-create_k8s.sh
+./2-create_k8s.sh
+./3-nginx_ingress.sh