diff --git a/luci-app-passwall/luasrc/passwall/api.lua b/luci-app-passwall/luasrc/passwall/api.lua
index ac6d637e9..ddd5d7d59 100644
--- a/luci-app-passwall/luasrc/passwall/api.lua
+++ b/luci-app-passwall/luasrc/passwall/api.lua
@@ -1521,3 +1521,13 @@ function get_core(field, candidates)
 	end
 	return nil
 end
+
+function cleanEmptyTables(t)
+	if type(t) ~= "table" then return nil end
+	for k, v in pairs(t) do
+		if type(v) == "table" then
+			t[k] = cleanEmptyTables(v)
+		end
+	end
+	return next(t) and t or nil
+end
diff --git a/luci-app-passwall/luasrc/passwall/util_xray.lua b/luci-app-passwall/luasrc/passwall/util_xray.lua
index 9bcacff2f..4585f66cd 100644
--- a/luci-app-passwall/luasrc/passwall/util_xray.lua
+++ b/luci-app-passwall/luasrc/passwall/util_xray.lua
@@ -241,31 +241,21 @@ function gen_outbound(flag, node, tag, proxy_table)
 					path = node.xhttp_path or "/",
 					host = node.xhttp_host,
 					extra = (function()
-						local extra_tbl = {}
-						-- 解析 xhttp_extra 并做简单容错处理
+						local extra = {}
 						if node.xhttp_extra then
-							local success, parsed = pcall(jsonc.parse, api.base64Decode(node.xhttp_extra))
-							if success and parsed then
-								extra_tbl = parsed.extra or parsed
-								for k, v in pairs(extra_tbl) do
-									if (type(v) == "table" and next(v) == nil) or v == nil then
-										extra_tbl[k] = nil
-									end
-								end
+							local ok, parsed = pcall(jsonc.parse, api.base64Decode(node.xhttp_extra))
+							if ok and type(parsed) == "table" then
+								extra = parsed.extra or parsed
 							end
 						end
 						-- 处理 User-Agent
 						if node.user_agent and node.user_agent ~= "" then
-							extra_tbl.headers = extra_tbl.headers or {}
-							if not extra_tbl.headers["User-Agent"] and not extra_tbl.headers["user-agent"] then
-								extra_tbl.headers["User-Agent"] = node.user_agent
+							extra.headers = extra.headers or {}
+							if not extra.headers["User-Agent"] and not extra.headers["user-agent"] then
+								extra.headers["User-Agent"] = node.user_agent
 							end
 						end
-						-- 清理空的 headers
-						if extra_tbl.headers and next(extra_tbl.headers) == nil then
-							extra_tbl.headers = nil
-						end
-						return next(extra_tbl) ~= nil and extra_tbl or nil
+						return api.cleanEmptyTables(extra)
 					end)()
 				} or nil,
 				hysteriaSettings = (node.transport == "hysteria") and {
@@ -322,25 +312,10 @@ function gen_outbound(flag, node, tag, proxy_table)
 					if node.finalmask and node.finalmask ~= "" then
 						local ok, fm = pcall(jsonc.parse, api.base64Decode(node.finalmask))
 						if ok and type(fm) == "table" then
-							if not finalmask or not next(finalmask) then
-								finalmask = fm
-							else
-								if type(fm.udp) == "table" then
-									finalmask.udp = finalmask.udp or {}
-									for i = 1, #fm.udp do
-										finalmask.udp[#finalmask.udp+1] = fm.udp[i]
-									end
-								end
-								if type(fm.tcp) == "table" then
-									finalmask.tcp = fm.tcp
-								end
-								if type(fm.quicParams) == "table" then
-									finalmask.quicParams = fm.quicParams
-								end
-							end
+							finalmask = fm
 						end
 					end
-					return (finalmask and next(finalmask)) and finalmask or nil
+					return api.cleanEmptyTables(finalmask)
 				end)()
 			} or nil,
 			settings = {
@@ -649,25 +624,10 @@ function gen_config_server(node)
 						if node.finalmask and node.finalmask ~= "" then
 							local ok, fm = pcall(jsonc.parse, api.base64Decode(node.finalmask))
 							if ok and type(fm) == "table" then
-								if not finalmask or not next(finalmask) then
-									finalmask = fm
-								else
-									if type(fm.udp) == "table" then
-										finalmask.udp = finalmask.udp or {}
-										for i = 1, #fm.udp do
-											finalmask.udp[#finalmask.udp+1] = fm.udp[i]
-										end
-									end
-									if type(fm.tcp) == "table" then
-										finalmask.tcp = fm.tcp
-									end
-									if type(fm.quicParams) == "table" then
-										finalmask.quicParams = fm.quicParams
-									end
-								end
+								finalmask = fm
 							end
 						end
-						return (finalmask and next(finalmask)) and finalmask or nil
+						return api.cleanEmptyTables(finalmask)
 					end)(),
 					sockopt = {
 						tcpFastOpen = (node.tcp_fast_open == "1") and true or nil,