diff --git a/package/luci-compat/files/luci/i18n/smartdns.zh-cn.po b/package/luci-compat/files/luci/i18n/smartdns.zh-cn.po
index 03453ad..338035a 100644
--- a/package/luci-compat/files/luci/i18n/smartdns.zh-cn.po
+++ b/package/luci-compat/files/luci/i18n/smartdns.zh-cn.po
@@ -214,6 +214,12 @@ msgstr "校验TLS主机名"
 msgid "Set TLS hostname to verify."
 msgstr "设置校验TLS主机名。"
 
+msgid "No check certificate"
+msgstr "停用证书校验"
+
+msgid "Do not check certificate."
+msgstr "不校验证书的合法性。"
+
 msgid "TLS SNI name"
 msgstr "TLS SNI名称"
 
diff --git a/package/luci/files/luci/i18n/smartdns.zh-cn.po b/package/luci/files/luci/i18n/smartdns.zh-cn.po
index 4cab4fe..ee00152 100644
--- a/package/luci/files/luci/i18n/smartdns.zh-cn.po
+++ b/package/luci/files/luci/i18n/smartdns.zh-cn.po
@@ -226,6 +226,12 @@ msgstr "校验TLS主机名"
 msgid "Set TLS hostname to verify."
 msgstr "设置校验TLS主机名。"
 
+msgid "No check certificate"
+msgstr "停用证书校验"
+
+msgid "Do not check certificate."
+msgstr "不校验证书的合法性。"
+
 msgid "TLS SNI name"
 msgstr "TLS SNI名称"
 
diff --git a/src/dns_client.c b/src/dns_client.c
index 2a5f349..57ff89e 100644
--- a/src/dns_client.c
+++ b/src/dns_client.c
@@ -58,7 +58,7 @@
 #define DNS_TCP_IDLE_TIMEOUT (60 * 10)
 #define DNS_TCP_CONNECT_TIMEOUT (5)
 #define DNS_QUERY_TIMEOUT (500)
-#define DNS_QUERY_RETRY (3)
+#define DNS_QUERY_RETRY (6)
 #define DNS_PENDING_SERVER_RETRY 40
 #define SOCKET_PRIORITY (6)
 #define SOCKET_IP_TOS (IPTOS_LOWDELAY | IPTOS_RELIABILITY)