diff --git a/ReadMe.md b/ReadMe.md
index 05ee514..eb12adb 100644
--- a/ReadMe.md
+++ b/ReadMe.md
@@ -548,6 +548,8 @@ rtt min/avg/max/mdev = 5.954/6.133/6.313/0.195 ms
## 配置文件说明
+配置建议：**smartdns默认已设置为最优模式，适合大部分场景的DNS查询体验改善，一般情况只需要增加上游服务器地址即可，无需做其他配置修改；如有其他配置修改，请务必了解其用途，避免修改后起到反作用。**
+
| 键名 | 功能说明 | 默认值 | 可用值/要求 | 举例 |
| :--- | :--- | :--- | :--- | :--- |
| server-name | DNS 服务器名称 | 操作系统主机名 / smartdns | 符合主机名规格的字符串 | server-name smartdns |
@@ -576,6 +578,7 @@ rtt min/avg/max/mdev = 5.954/6.133/6.313/0.195 ms
| server-tls | 上游 TLS DNS | 无 | 可重复。
[ip][:port]：服务器 IP:端口（可选)
[-spki-pin [sha256-pin]]：TLS 合法性校验 SPKI 值，base64 编码的 sha256 SPKI pin 值
[-host-name]：TLS SNI 名称
[-tls-host-verify]：TLS 证书主机名校验
[-no-check-certificate]：跳过证书校验
[-blacklist-ip]：配置 IP 过滤结果
[-whitelist-ip]：仅接受参数中配置的 IP 范围
[-group [group] ...]：DNS 服务器所属组，比如 office 和 foreign，和 nameserver 配套使用
[-exclude-default-group]：将 DNS 服务器从默认组中排除 | server-tls 8.8.8.8:853 |
| server-https | 上游 HTTPS DNS | 无 | 可重复。
https://[host][:port]/path：服务器 IP:端口（可选）
[-spki-pin [sha256-pin]]：TLS 合法性校验 SPKI 值，base64 编码的 sha256 SPKI pin 值
[-host-name]：TLS SNI 名称
[-http-host]：http 协议头主机名
[-tls-host-verify]：TLS 证书主机名校验
[-no-check-certificate]：跳过证书校验
[-blacklist-ip]：配置 IP 过滤结果
[-whitelist-ip]：仅接受参数中配置的 IP 范围。
[-group [group] ...]：DNS 服务器所属组，比如 office 和 foreign，和 nameserver 配套使用
[-exclude-default-group]：将 DNS 服务器从默认组中排除 | server-https https://cloudflare-dns.com/dns-query |
| speed-check-mode | 测速模式选择 | 无 | [ping\|tcp:[80]\|none] | speed-check-mode ping,tcp:80,tcp:443 |
+| response-mode | 首次查询响应模式 | first-ping |模式：[fisrt-ping\|fastest-ip\|first-response]
[first-ping]: 最快ping响应地址模式，DNS上游最快查询时延+ping时延最短，查询等待与链接体验最佳;
[fastest-ip]: 最快IP地址模式，查询到的所有IP地址中ping最短的IP。需等待IP测速;
[first-response]: 最快响应的DNS结果，DNS查询等待时间最短，返回的IP地址可能不是最快。| response-mode first-ping |
| address | 指定域名 IP 地址 | 无 | address /domain/[ip\|-\|-4\|-6\|#\|#4\|#6]
- 表示忽略
# 表示返回 SOA
4 表示 IPv4
6 表示 IPv6 | address /www.example.com/1.2.3.4 |
| nameserver | 指定域名使用 server 组解析 | 无 | nameserver /domain/[group\|-], group 为组名，- 表示忽略此规则，配套 server 中的 -group 参数使用 | nameserver /www.example.com/office |
| ipset | 域名 ipset | 无 | ipset /domain/[ipset\|-\|#[4\|6]:[ipset\|-][,#[4\|6]:[ipset\|-]]]，-表示忽略 | ipset /www.example.com/#4:dns4,#6:- |
@@ -594,6 +597,7 @@ rtt min/avg/max/mdev = 5.954/6.133/6.313/0.195 ms
| serve-expired-reply-ttl | 回应的过期缓存 TTL | 5 | 秒，0 表示停用超时，大于 0 表示指定的超时的秒数 | serve-expired-reply-ttl 30 |
| dualstack-ip-selection | 双栈 IP 优选 | yes | [yes\|no] | dualstack-ip-selection yes |
| dualstack-ip-selection-threshold | 双栈 IP 优选阈值 | 15ms | 单位为毫秒（ms） | dualstack-ip-selection-threshold [0-1000] |
+| user | 进程运行用户 | root | user [username] | user nobody |
| ca-file | 证书文件 | /etc/ssl/certs/ca-certificates.crt | 合法路径字符串 | ca-file /etc/ssl/certs/ca-certificates.crt |
| ca-path | 证书文件路径 | /etc/ssl/certs | 合法路径字符串 | ca-path /etc/ssl/certs |
diff --git a/ReadMe_en.md b/ReadMe_en.md
index 08fc6fa..8be5591 100755
--- a/ReadMe_en.md
+++ b/ReadMe_en.md
@@ -514,6 +514,7 @@ Note: Merlin firmware is derived from ASUS firmware and can theoretically be use
|server-tls|Upstream TLS DNS server|None|Repeatable
`[ip][:port]`: Server IP, port optional.
`[-spki-pin [sha256-pin]]`: TLS verify SPKI value, a base64 encoded SHA256 hash
`[-host-name]`:TLS Server name.
`[-tls-host-verify]`: TLS cert hostname to verify.
`-no-check-certificate:`: No check certificate.
`[-blacklist-ip]`: The "-blacklist-ip" parameter is to filtering IPs which is configured by "blacklist-ip".
`[-whitelist-ip]`: whitelist-ip parameter specifies that only the IP range configured in whitelist-ip is accepted.
`[-group [group] ...]`: The group to which the DNS server belongs, such as office, foreign, use with nameserver.
`[-exclude-default-group]`: Exclude DNS servers from the default group| server-tls 8.8.8.8:853
|server-https|Upstream HTTPS DNS server|None|Repeatable
`https://[host][:port]/path`: Server IP, port optional.
`[-spki-pin [sha256-pin]]`: TLS verify SPKI value, a base64 encoded SHA256 hash
`[-host-name]`:TLS Server name
`[-http-host]`：http header host.
`[-tls-host-verify]`: TLS cert hostname to verify.
`-no-check-certificate:`: No check certificate.
`[-blacklist-ip]`: The "-blacklist-ip" parameter is to filtering IPs which is configured by "blacklist-ip".
`[-whitelist-ip]`: whitelist-ip parameter specifies that only the IP range configured in whitelist-ip is accepted.
`[-group [group] ...]`: The group to which the DNS server belongs, such as office, foreign, use with nameserver.
`[-exclude-default-group]`: Exclude DNS servers from the default group| server-https https://cloudflare-dns.com/dns-query
|speed-check-mode|Speed mode|None|[ping\|tcp:[80]\|none]|speed-check-mode ping,tcp:80,tcp:443
+|response-mode|First query response mode|first-ping|Mode: [fisrt-ping\|fastest-ip\|first-response]
[first-ping]: The fastest dns + ping response mode, DNS query delay + ping delay is the shortest;
[fastest-ip]: The fastest IP address mode, return the fastest ip address, may take some time to test speed.
[first-response]: The fastest response DNS result mode, the DNS query waiting time is the shortest. | response-mode first-ping |
|address|Domain IP address|None|address /domain/[ip\|-\|-4\|-6\|#\|#4\|#6], `-` for ignore, `#` for return SOA, `4` for IPV4, `6` for IPV6| address /www.example.com/1.2.3.4
|nameserver|To query domain with specific server group|None|nameserver /domain/[group\|-], `group` is the group name, `-` means ignore this rule, use the `-group` parameter in the related server|nameserver /www.example.com/office
|ipset|Domain IPSet|None|ipset /domain/[ipset\|-\|#[4\|6]:[ipset\|-][,#[4\|6]:[ipset\|-]]], `-` for ignore|ipset /www.example.com/#4:dns4,#6:-
@@ -532,6 +533,7 @@ Note: Merlin firmware is derived from ASUS firmware and can theoretically be use
|serve-expired-reply-ttl|TTL value to use when replying with expired data|5|second，0：disable，> 0 seconds after expiration|serve-expired-reply-ttl 30
|dualstack-ip-selection|Dualstack ip selection|yes|[yes\|no]|dualstack-ip-selection yes
|dualstack-ip-selection-threshold|Dualstack ip select threadhold|15ms|millisecond|dualstack-ip-selection-threshold [0-1000]
+|user|run as user|root|user [username]|user nobody
|ca-file|certificate file|/etc/ssl/certs/ca-certificates.crt|path|ca-file /etc/ssl/certs/ca-certificates.crt
|ca-path|certificates path|/etc/ssl/certs|path|ca-path /etc/ssl/certs