From 1b6191580d9d4716dc99e8cece1f5537d8fb1033 Mon Sep 17 00:00:00 2001
From: LittleChest <hiya@littlew.top>
Date: Thu, 12 Feb 2026 17:39:19 +0800
Subject: [PATCH] common: Update Anti-GFW & faster

---
 common.js | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/common.js b/common.js
index 644a62b..50cca92 100644
--- a/common.js
+++ b/common.js
@@ -122,19 +122,16 @@ export default async function handler(
     }
 
     // POST
-    if (
-      method === "POST" &&
-      headers.get("content-type") === "application/dns-message"
-    ) {
+    if (method === "POST") {
       const requestBody = await request.arrayBuffer();
 
       // Anti-GFW
       if (
-        isIPv4(ip) &&
-        headers.get("accept") === "application/dns-message" &&
         headers.get("content-length") === "29" &&
         (headers.get("user-agent") === "Go-http-client/1.1" ||
           headers.get("user-agent") === "Go-http-client/2.0") &&
+        headers.get("accept") === "application/dns-message" &&
+        headers.get("content-type") === "application/dns-message" &&
         (headers.get("accept-encoding") === "gzip, br" ||
           headers.get("accept-encoding") === "gzip")
       ) {