server {
    listen 1998;
    server_name localhost;

    location /v3/ {
        proxy_pass https://restapi.amap.com/v3/;

        # 必须设置，否则高德服务器可能会拒绝请求
        proxy_set_header Host restapi.amap.com;

        # 核心：确保 SSL 握手时发送正确的域名
        proxy_ssl_name restapi.amap.com;
        proxy_ssl_server_name on;
        proxy_ssl_protocols TLSv1.2 TLSv1.3;

        # 常规转发头
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

        # 优化连接
        proxy_http_version 1.1;
        proxy_set_header Connection "";

        # 增加超时控制，防止 API 响应慢导致连接堆积
        proxy_connect_timeout 10s;
        proxy_read_timeout 30s;
    }
}