diff --git a/luci-app-passwall/luasrc/model/cbi/passwall/client/global.lua b/luci-app-passwall/luasrc/model/cbi/passwall/client/global.lua
index 1411a56dd..fe5fa30db 100644
--- a/luci-app-passwall/luasrc/model/cbi/passwall/client/global.lua
+++ b/luci-app-passwall/luasrc/model/cbi/passwall/client/global.lua
@@ -82,66 +82,34 @@ local doh_validate = function(self, value, t)
 			return value
 		end
 	end
-	return nil, translate("DoH request address") .. " " .. translate("Format must be:") .. " URL,IP"
+	return nil, translatef("%s request address","DoH") .. " " .. translate("Format must be:") .. " URL,IP"
 end
 
 local chinadns_dot_validate = function(self, value, t)
 	local function isValidDoTString(s)
-		local prefix = "tls://"
-		if s:sub(1, #prefix) ~= prefix then
-			return false
-		end
-		local address = s:sub(#prefix + 1)
+		if s:sub(1, 6) ~= "tls://" then return false end
+		local address = s:sub(7)
 		local at_index = address:find("@")
 		local hash_index = address:find("#")
-		local domain, ip, port
-		if at_index then
-			if hash_index then
-				domain = address:sub(1, at_index - 1)
-				ip = address:sub(at_index + 1, hash_index - 1)
-				port = address:sub(hash_index + 1)
-			else
-				domain = address:sub(1, at_index - 1)
-				ip = address:sub(at_index + 1)
-				port = nil
-			end
-		else
-			if hash_index then
-				ip = address:sub(1, hash_index - 1)
-				port = address:sub(hash_index + 1)
-			else
-				ip = address
-				port = nil
-			end
-		end
-		local function isValidPort(port)
-			if not port then return true end
-			local num = tonumber(port)
-			return num and num > 0 and num < 65536
-		end
-		local function isValidDomain(domain)
-			if not domain then return true end
-			return #domain > 0
-		end
-		local function isValidIP(ip)
-			return datatypes.ipaddr(ip) or datatypes.ip6addr(ip)
-		end
-		if not isValidIP(ip) or not isValidPort(port) then
-			return false
-		end
-		if not isValidDomain(domain) then
+		local ip, port
+		local domain = at_index and address:sub(1, at_index - 1) or nil
+		ip = at_index and address:sub(at_index + 1, (hash_index or 0) - 1) or address:sub(1, (hash_index or 0) - 1)
+		port = hash_index and address:sub(hash_index + 1) or nil
+		local num_port = tonumber(port)
+		if (port and (not num_port or num_port <= 0 or num_port >= 65536)) or 
+		   (domain and domain == "") or 
+		   (not datatypes.ipaddr(ip) and not datatypes.ip6addr(ip)) then
 			return false
 		end
 		return true
 	end
-
 	if value ~= "" then
 		value = api.trim(value)
 		if isValidDoTString(value) then
 			return value
 		end
 	end
-	return nil, translate("Direct DNS") .. " DoT " .. translate("Format must be:") .. " tls://Domain@IP(#Port) or tls://IP(#Port)"
+	return nil, translatef("%s request address","DoT") .. " " .. translate("Format must be:") .. " tls://" .. translate("Domain") .. "@IP[#Port] | tls://IP[#Port]"
 end
 
 m:append(Template(appname .. "/global/status"))
diff --git a/luci-app-passwall/po/zh-cn/passwall.po b/luci-app-passwall/po/zh-cn/passwall.po
index 723d13c74..962ad13b6 100644
--- a/luci-app-passwall/po/zh-cn/passwall.po
+++ b/luci-app-passwall/po/zh-cn/passwall.po
@@ -142,6 +142,9 @@ msgstr "配置不当"
 msgid "Make sure socks service is available on this address."
 msgstr "请确保此 Socks 服务可用。"
 
+msgid "%s request address"
+msgstr "%s 请求地址"
+
 msgid "Format must be:"
 msgstr "格式必须为："
 
diff --git a/patch-luci-app-passwall.patch b/patch-luci-app-passwall.patch
index d3eb63b30..c241946d2 100644
--- a/patch-luci-app-passwall.patch
+++ b/patch-luci-app-passwall.patch
@@ -24,10 +24,10 @@ index 03006a6..f384bbc 100644
  	if code ~= 0 then
  		local use_time = luci.sys.exec("echo -n '" .. result .. "' | awk -F ':' '{print $2}'")
 diff --git a/luci-app-passwall/luasrc/model/cbi/passwall/client/global.lua b/luci-app-passwall/luasrc/model/cbi/passwall/client/global.lua
-index 6df0021..1411a56 100644
+index 806095f..fe5fa30 100644
 --- a/luci-app-passwall/luasrc/model/cbi/passwall/client/global.lua
 +++ b/luci-app-passwall/luasrc/model/cbi/passwall/client/global.lua
-@@ -435,6 +435,12 @@ o:value("9.9.9.9", "9.9.9.9 (Quad9-Recommended)")
+@@ -403,6 +403,12 @@ o:value("9.9.9.9", "9.9.9.9 (Quad9-Recommended)")
  o:value("149.112.112.112", "149.112.112.112 (Quad9-Recommended)")
  o:value("208.67.220.220", "208.67.220.220 (OpenDNS)")
  o:value("208.67.222.222", "208.67.222.222 (OpenDNS)")