From 9451b69246ce3aca0feeacfc5a35b1aa5eb6d59c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=A8=94=E5=90=9B?= <ninkun@outlook.com>
Date: Fri, 4 Sep 2026 10:47:36 +0800
Subject: [PATCH] Fix subscription requests missing Accept header (#10095)

---
 v2rayN/ServiceLib/Handler/SubscriptionHandler.cs | 2 +-
 v2rayN/ServiceLib/Services/DownloadService.cs    | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/v2rayN/ServiceLib/Handler/SubscriptionHandler.cs b/v2rayN/ServiceLib/Handler/SubscriptionHandler.cs
index 22740842..30cd2c5c 100644
--- a/v2rayN/ServiceLib/Handler/SubscriptionHandler.cs
+++ b/v2rayN/ServiceLib/Handler/SubscriptionHandler.cs
@@ -82,7 +82,7 @@ public static class SubscriptionHandler
 
     private static DownloadService CreateDownloadHandler(string hashCode, Func<bool, string, Task> updateFunc)
     {
-        var downloadHandle = new DownloadService();
+        var downloadHandle = new DownloadService { AcceptHeader = "*/*" };
         downloadHandle.Error += (sender2, args) =>
         {
             updateFunc?.Invoke(false, $"{hashCode}{args.GetException().Message}");
diff --git a/v2rayN/ServiceLib/Services/DownloadService.cs b/v2rayN/ServiceLib/Services/DownloadService.cs
index d93be690..2c548553 100644
--- a/v2rayN/ServiceLib/Services/DownloadService.cs
+++ b/v2rayN/ServiceLib/Services/DownloadService.cs
@@ -11,6 +11,8 @@ public class DownloadService
 
     public event ErrorEventHandler? Error;
 
+    public string? AcceptHeader { get; init; }
+
     private static readonly string _tag = "DownloadService";
 
     /// <summary>
@@ -253,6 +255,10 @@ public class DownloadService
                 userAgent = Utils.GetVersion(false);
             }
             client.DefaultRequestHeaders.UserAgent.TryParseAdd(userAgent);
+            if (AcceptHeader.IsNotEmpty())
+            {
+                client.DefaultRequestHeaders.Accept.ParseAdd(AcceptHeader);
+            }
 
             Uri uri = new(url);
             //Authorization Header