diff --git a/BBDown.Core/Parser.cs b/BBDown.Core/Parser.cs
index c0310c349..f79ba1cd5 100644
--- a/BBDown.Core/Parser.cs
+++ b/BBDown.Core/Parser.cs
@@ -85,6 +85,7 @@ private static async Task<string> GetPlayJsonAsync(string aid, string cid, strin
         paramBuilder.Append($"&cid={cid}&ep_id={epId}&platform=android&prefer_code_type={code}&qn={qn}");
         if (isBiliPlus) paramBuilder.Append($"&ts={GetTimeStamp(true)}");
 
+        paramBuilder.Append("&s_locale=zh_SG");
         string param = paramBuilder.ToString();
         api += (isBiliPlus ? $"{param}&sign={GetSign(param, true)}" : param);
 
diff --git a/BBDown.Core/Util/HTTPUtil.cs b/BBDown.Core/Util/HTTPUtil.cs
index a6d42e53e..3a30a4d04 100644
--- a/BBDown.Core/Util/HTTPUtil.cs
+++ b/BBDown.Core/Util/HTTPUtil.cs
@@ -34,14 +34,16 @@ private static string GetRandomUserAgent()
 
     public static string UserAgent { get; set; } = GetRandomUserAgent();
 
-    public static async Task<string> GetWebSourceAsync(string url)
+    public static async Task<string> GetWebSourceAsync(string url, string? userAgent = null)
     {
         using var webRequest = new HttpRequestMessage(HttpMethod.Get, url);
-        webRequest.Headers.TryAddWithoutValidation("User-Agent", UserAgent);
+        webRequest.Headers.TryAddWithoutValidation("User-Agent", userAgent ?? UserAgent);
         webRequest.Headers.TryAddWithoutValidation("Accept-Encoding", "gzip, deflate");
         webRequest.Headers.TryAddWithoutValidation("Cookie", (url.Contains("/ep") || url.Contains("/ss")) ? Config.COOKIE + ";CURRENT_FNVAL=4048;" : Config.COOKIE);
         if (url.Contains("api.bilibili.com"))
             webRequest.Headers.TryAddWithoutValidation("Referer", "https://www.bilibili.com/");
+        if (url.Contains("api.bilibili.tv"))
+            webRequest.Headers.TryAddWithoutValidation("sec-ch-ua", "\"Google Chrome\";v=\"131\", \"Chromium\";v=\"131\", \"Not_A Brand\";v=\"24\"");
         webRequest.Headers.CacheControl = CacheControlHeaderValue.Parse("no-cache");
         webRequest.Headers.Connection.Clear();
 
diff --git a/BBDown/BBDownMuxer.cs b/BBDown/BBDownMuxer.cs
index b160c44fa..e2de00fd9 100644
--- a/BBDown/BBDownMuxer.cs
+++ b/BBDown/BBDownMuxer.cs
@@ -189,7 +189,7 @@ public static int MuxAV(bool useMp4box, string bvid, string videoPath, string au
             if (episodeId != "") argsBuilder.Append($"-metadata album=\"{title}\" ");
             if (pubTime != 0) argsBuilder.Append($"-metadata creation_time=\"{(DateTimeOffset.FromUnixTimeSeconds(pubTime).ToString("yyyy-MM-ddTHH:mm:ss.ffffffZ"))}\" ");
         }
-        argsBuilder.Append("-c copy ");
+        argsBuilder.Append("-c:v copy -c:a copy ");
         if (audioOnly && audioPath == "") argsBuilder.Append("-vn ");
         if (subs != null) argsBuilder.Append("-c:s mov_text ");
         // fix macOS hev1, see https://discussions.apple.com/thread/253081863?sortBy=rank
diff --git a/BBDown/BBDownUtil.cs b/BBDown/BBDownUtil.cs
index c8d2fc8fe..cde97eda9 100644
--- a/BBDown/BBDownUtil.cs
+++ b/BBDown/BBDownUtil.cs
@@ -582,13 +582,13 @@ public static async Task<bool> CheckLogin(string cookie)
     private static partial Regex EpRegex();
     [GeneratedRegex("/ss(\\d+)")]
     private static partial Regex SsRegex();
-    [GeneratedRegex("space\\.bilibili\\.com/(\\d+)")]
+    [GeneratedRegex(@"space\.bilibili\.com/(\d+)")]
     private static partial Regex UidRegex();
-    [GeneratedRegex("global\\.bilibili\\.com/play/\\d+/(\\d+)")]
+    [GeneratedRegex(@"\.bilibili\.tv\/\w+\/play\/\d+\/(\d+)")]
     private static partial Regex GlobalEpRegex();
     [GeneratedRegex("bangumi/media/(md\\d+)")]
     private static partial Regex BangumiMdRegex();
-    [GeneratedRegex("window.__INITIAL_STATE__=([\\s\\S].*?);\\(function\\(\\)")]
+    [GeneratedRegex(@"window.__INITIAL_STATE__=([\s\S].*?);\(function\(\)")]
     private static partial Regex StateRegex();
     [GeneratedRegex("md(\\d+)")]
     private static partial Regex MdRegex();
diff --git a/BBDown/Program.cs b/BBDown/Program.cs
index b7933a429..62b6e26be 100644
--- a/BBDown/Program.cs
+++ b/BBDown/Program.cs
@@ -227,16 +227,14 @@ public static (Dictionary<string, byte> encodingPriority, Dictionary<string, int
 
     public static async Task<(string fetchedAid, VInfo vInfo, string apiType)> GetVideoInfoAsync(MyOption myOption, string aidOri, string input)
     {
-        Log("检测账号登录...");
-
         // 加载认证信息
         LoadCredentials(myOption);
 
         // 检测是否登录了账号
-        bool is_login = await CheckLogin(Config.COOKIE);
-        if (!myOption.UseIntlApi && !myOption.UseTvApi && Config.AREA == "")
+        if (myOption is { UseIntlApi: false, UseTvApi: false } && Config.AREA == "")
         {
-            if (!is_login)
+            Log("检测账号登录...");
+            if (!await CheckLogin(Config.COOKIE))
             {
                 LogWarn("你尚未登录B站账号, 解析可能受到限制");
             }
@@ -288,7 +286,7 @@ public static (Dictionary<string, byte> encodingPriority, Dictionary<string, int
             Log("发布时间: " + FormatTimeStamp(pubTime, "yyyy-MM-dd HH:mm:ss zzz"));
         }
         var bvid = vInfo.PagesInfo.FirstOrDefault()?.bvid;
-        if (!string.IsNullOrEmpty(bvid))
+        if (!string.IsNullOrEmpty(bvid) && !myOption.UseIntlApi)
         {
             Log($"视频URL: https://www.bilibili.com/video/{bvid}/");
         }