diff --git a/finetune/setup.sh b/finetune/setup.sh
new file mode 100644
index 0000000..514d283
--- /dev/null
+++ b/finetune/setup.sh
@@ -0,0 +1,25 @@
+#!/bin/bash
+
+# 定义主机列表
+hosts=("10.200.1.10" "10.200.1.11" "10.200.1.12")
+
+# 当前主机的用户名
+user="root"
+
+# 检查ssh-keygen是否已经生成密钥对
+if [ ! -f ~/.ssh/id_rsa ]; then
+    echo "生成SSH密钥对..."
+    ssh-keygen -t rsa -b 4096 -N "" -f ~/.ssh/id_rsa
+else
+    echo "SSH密钥对已经存在..."
+fi
+
+# 分发公钥到其他主机
+for host in "${hosts[@]}"; do
+    if [ "$host" != "$(hostname -I | awk '{print $1}')" ]; then
+        echo "将公钥复制到$host..."
+        ssh-copy-id -i ~/.ssh/id_rsa.pub "$user@$host"
+    fi
+done
+
+echo "密钥认证配置完成。"
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