diff --git a/tools/ssh_key_push.sh b/tools/ssh_key_push.sh
index a5fdd0c..1ed04c1 100755
--- a/tools/ssh_key_push.sh
+++ b/tools/ssh_key_push.sh
@@ -29,18 +29,47 @@ else
     fi
     servers=()
     while IFS= read -r line; do
+        # 跳过空行和注释行
+        [[ -z "$line" || "$line" =~ ^# ]] && continue
         servers+=("$line")
     done < "$file_path"
 fi
 
 # 推送公钥到远程服务器
+public_key=$(cat ~/.ssh/id_rsa.pub)
 for server in "${servers[@]}"; do
-    public_key=$(cat ~/.ssh/id_rsa.pub)
-    ssh "$server" "mkdir -p ~/.ssh && echo '$public_key' >> ~/.ssh/authorized_keys"
-    if [ $? -eq 0 ]; then
+    # 第一次尝试推送
+    echo "正在推送公钥到 $server..."
+    output=$(ssh "$server" "mkdir -p ~/.ssh && echo '$public_key' >> ~/.ssh/authorized_keys" 2>&1)
+    exit_code=$?
+
+    if [ $exit_code -eq 0 ]; then
         echo "公钥已成功推送到 $server"
-    else
-        echo "推送公钥到 $server 时出错。"
+        continue
     fi
-done
-    
\ No newline at end of file
+
+    # 检测是否是主机密钥验证失败
+    if echo "$output" | grep -q "Host key verification failed"; then
+        echo "检测到 $server 的主机密钥已变更，正在清理旧密钥..."
+        # 提取主机地址（处理 user@host 格式，取 @ 后面的部分）
+        host=$(echo "$server" | cut -d'@' -f2)
+        # 清理旧密钥
+        cleanup_output=$(ssh-keygen -R "$host" 2>&1)
+        if [ $? -ne 0 ]; then
+            echo "清理 $host 旧密钥失败：$cleanup_output"
+            continue
+        fi
+        echo "已清理 $host 的旧密钥，重新尝试推送..."
+        # 重新推送
+        retry_output=$(ssh "$server" "mkdir -p ~/.ssh && echo '$public_key' >> ~/.ssh/authorized_keys" 2>&1)
+        retry_code=$?
+        if [ $retry_code -eq 0 ]; then
+            echo "公钥已成功推送到 $server"
+        else
+            echo "重新推送 $server 失败：$retry_output"
+        fi
+    else
+        # 其他错误类型
+        echo "推送 $server 失败：$output"
+    fi
+done
\ No newline at end of file