luci-app-ssr-plus: improve translation

package/lean/luci-app-ssr-plus/luasrc/model/cbi/shadowsocksr/client.lua

@@ -62,7 +62,7 @@ o.default = gfw
 o = s:option(ListValue, "pdnsd_enable", translate("Resolve Dns Mode"))
 o:value("1", translate("Use Pdnsd tcp query and cache"))
 o:value("0", translate("Use Local DNS Service listen port 5335"))
-o:value("2", translate("Use system settings"))
+o:value("2", translate("Use system DNS"))
 o.default = 1
 
 o = s:option(ListValue, "tunnel_forward", translate("Anti-pollution DNS Server"))

package/lean/luci-app-ssr-plus/po/zh-cn/ssr-plus.po

@@ -473,8 +473,8 @@ msgstr "服务器节点"
 msgid "Use Local DNS Service listen port 5335"
 msgstr "使用本机端口为5335的DNS服务"
 
-msgid "Use system settings"
-msgstr "跟随系统设置"
+msgid "Use system DNS"
+msgstr "使用系统DNS"
 
 msgid "Server Node Type"
 msgstr "服务器节点类型"