diff --git a/v2rayN/v2rayN/Base/DownloaderHelper.cs b/v2rayN/v2rayN/Base/DownloaderHelper.cs
index 088c7aba..851ba8a8 100644
--- a/v2rayN/v2rayN/Base/DownloaderHelper.cs
+++ b/v2rayN/v2rayN/Base/DownloaderHelper.cs
@@ -16,9 +16,6 @@ namespace v2rayN.Base
                 return null;
             }
 
-            var cancellationToken = new CancellationTokenSource();
-            cancellationToken.CancelAfter(timeout * 1000);
-
             Uri uri = new(url);
             //Authorization Header
             var headers = new WebHeaderCollection();
@@ -48,7 +45,9 @@ namespace v2rayN.Base
                     throw value.Error;
                 }
             };
-            using var stream = await downloader.DownloadFileTaskAsync(address: url, cancellationToken: cancellationToken.Token);
+
+            using var cts = new CancellationTokenSource();
+            using var stream = await downloader.DownloadFileTaskAsync(address: url, cts.Token).WaitAsync(TimeSpan.FromSeconds(timeout), cts.Token);
             using StreamReader reader = new(stream);
 
             downloadOpt = null;
@@ -63,9 +62,6 @@ namespace v2rayN.Base
                 throw new ArgumentNullException(nameof(url));
             }
 
-            var cancellationToken = new CancellationTokenSource();
-            cancellationToken.CancelAfter(timeout * 1000);
-
             var downloadOpt = new DownloadConfiguration()
             {
                 Timeout = timeout * 1000,
@@ -115,8 +111,8 @@ namespace v2rayN.Base
                 }
             };
             //progress.Report("......");
-
-            using var stream = await downloader.DownloadFileTaskAsync(address: url, cancellationToken: cancellationToken.Token);
+            using var cts = new CancellationTokenSource();
+            using var stream = await downloader.DownloadFileTaskAsync(address: url, cts.Token).WaitAsync(TimeSpan.FromSeconds(timeout), cts.Token);
 
             downloadOpt = null;
         }
@@ -136,9 +132,6 @@ namespace v2rayN.Base
                 File.Delete(fileName);
             }
 
-            var cancellationToken = new CancellationTokenSource();
-            cancellationToken.CancelAfter(timeout * 1000);
-
             var downloadOpt = new DownloadConfiguration()
             {
                 Timeout = timeout * 1000,
@@ -178,7 +171,8 @@ namespace v2rayN.Base
                 }
             };
 
-            await downloader.DownloadFileTaskAsync(url, fileName, cancellationToken: cancellationToken.Token);
+            using var cts = new CancellationTokenSource();
+            await downloader.DownloadFileTaskAsync(url, fileName, cts.Token).WaitAsync(TimeSpan.FromSeconds(timeout), cts.Token);
 
             downloadOpt = null;
         }
diff --git a/v2rayN/v2rayN/Handler/DownloadHandle.cs b/v2rayN/v2rayN/Handler/DownloadHandle.cs
index 53eeddb9..663d5b5a 100644
--- a/v2rayN/v2rayN/Handler/DownloadHandle.cs
+++ b/v2rayN/v2rayN/Handler/DownloadHandle.cs
@@ -4,6 +4,7 @@ using System.Net;
 using System.Net.Http;
 using System.Net.Http.Headers;
 using System.Net.Sockets;
+using System.Threading;
 using v2rayN.Base;
 using v2rayN.Resx;
 
@@ -206,10 +207,8 @@ namespace v2rayN.Handler
                     client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", Utils.Base64Encode(uri.UserInfo));
                 }
 
-                var cts = new CancellationTokenSource();
-                cts.CancelAfter(1000 * 30);
-
-                var result = await HttpClientHelper.Instance.GetAsync(client, url, cts.Token);
+                using var cts = new CancellationTokenSource();
+                var result = await HttpClientHelper.Instance.GetAsync(client, url, cts.Token).WaitAsync(TimeSpan.FromSeconds(30), cts.Token);
                 return result;
             }
             catch (Exception ex)