diff --git a/v2rayN/v2rayN/Handler/UpdateHandle.cs b/v2rayN/v2rayN/Handler/UpdateHandle.cs
index 4e56f3ad..90408c25 100644
--- a/v2rayN/v2rayN/Handler/UpdateHandle.cs
+++ b/v2rayN/v2rayN/Handler/UpdateHandle.cs
@@ -398,7 +398,7 @@ namespace v2rayN.Handler
         {
             try
             {
-                var gitHubReleases = JsonConvert.DeserializeObject<List<GitHubRelease>>(gitHubReleaseApi);
+                var gitHubReleases =  Utils.FromJson<List<GitHubRelease>>(gitHubReleaseApi);                 
                 string version;
                 if (preRelease)
                 {
diff --git a/v2rayN/v2rayN/Mode/GitHubRelease.cs b/v2rayN/v2rayN/Mode/GitHubRelease.cs
index 9296d991..eaa374c6 100644
--- a/v2rayN/v2rayN/Mode/GitHubRelease.cs
+++ b/v2rayN/v2rayN/Mode/GitHubRelease.cs
@@ -2,68 +2,69 @@
 using System.Collections.Generic;
 using Newtonsoft.Json;
 
-namespace v2rayN.Mode;
-
-public class Asset
+namespace v2rayN.Mode
 {
-    [JsonProperty("url")] public string Url { get; set; }
+    public class GitHubReleaseAsset
+    {
+        [JsonProperty("url")] public string Url { get; set; }
 
-    [JsonProperty("id")] public int Id { get; set; }
+        [JsonProperty("id")] public int Id { get; set; }
 
-    [JsonProperty("node_id")] public string NodeId { get; set; }
+        [JsonProperty("node_id")] public string NodeId { get; set; }
 
-    [JsonProperty("name")] public string Name { get; set; }
+        [JsonProperty("name")] public string Name { get; set; }
 
-    [JsonProperty("label")] public object Label { get; set; }
-    
-    [JsonProperty("content_type")] public string ContentType { get; set; }
+        [JsonProperty("label")] public object Label { get; set; }
 
-    [JsonProperty("state")] public string State { get; set; }
+        [JsonProperty("content_type")] public string ContentType { get; set; }
 
-    [JsonProperty("size")] public int Size { get; set; }
+        [JsonProperty("state")] public string State { get; set; }
 
-    [JsonProperty("download_count")] public int DownloadCount { get; set; }
+        [JsonProperty("size")] public int Size { get; set; }
 
-    [JsonProperty("created_at")] public DateTime CreatedAt { get; set; }
+        [JsonProperty("download_count")] public int DownloadCount { get; set; }
 
-    [JsonProperty("updated_at")] public DateTime UpdatedAt { get; set; }
+        [JsonProperty("created_at")] public DateTime CreatedAt { get; set; }
 
-    [JsonProperty("browser_download_url")] public string BrowserDownloadUrl { get; set; }
-}
+        [JsonProperty("updated_at")] public DateTime UpdatedAt { get; set; }
 
-public class GitHubRelease
-{
-    [JsonProperty("url")] public string Url { get; set; }
+        [JsonProperty("browser_download_url")] public string BrowserDownloadUrl { get; set; }
+    }
+
+    public class GitHubRelease
+    {
+        [JsonProperty("url")] public string Url { get; set; }
+
+        [JsonProperty("assets_url")] public string AssetsUrl { get; set; }
 
-    [JsonProperty("assets_url")] public string AssetsUrl { get; set; }
+        [JsonProperty("upload_url")] public string UploadUrl { get; set; }
 
-    [JsonProperty("upload_url")] public string UploadUrl { get; set; }
+        [JsonProperty("html_url")] public string HtmlUrl { get; set; }
 
-    [JsonProperty("html_url")] public string HtmlUrl { get; set; }
+        [JsonProperty("id")] public int Id { get; set; }
 
-    [JsonProperty("id")] public int Id { get; set; }
-    
-    [JsonProperty("node_id")] public string NodeId { get; set; }
+        [JsonProperty("node_id")] public string NodeId { get; set; }
 
-    [JsonProperty("tag_name")] public string TagName { get; set; }
+        [JsonProperty("tag_name")] public string TagName { get; set; }
 
-    [JsonProperty("target_commitish")] public string TargetCommitish { get; set; }
+        [JsonProperty("target_commitish")] public string TargetCommitish { get; set; }
 
-    [JsonProperty("name")] public string Name { get; set; }
+        [JsonProperty("name")] public string Name { get; set; }
 
-    [JsonProperty("draft")] public bool Draft { get; set; }
+        [JsonProperty("draft")] public bool Draft { get; set; }
 
-    [JsonProperty("prerelease")] public bool Prerelease { get; set; }
+        [JsonProperty("prerelease")] public bool Prerelease { get; set; }
 
-    [JsonProperty("created_at")] public DateTime CreatedAt { get; set; }
+        [JsonProperty("created_at")] public DateTime CreatedAt { get; set; }
 
-    [JsonProperty("published_at")] public DateTime PublishedAt { get; set; }
+        [JsonProperty("published_at")] public DateTime PublishedAt { get; set; }
 
-    [JsonProperty("assets")] public List<Asset> Assets { get; set; }
+        [JsonProperty("assets")] public List<GitHubReleaseAsset> Assets { get; set; }
 
-    [JsonProperty("tarball_url")] public string TarballUrl { get; set; }
+        [JsonProperty("tarball_url")] public string TarballUrl { get; set; }
 
-    [JsonProperty("zipball_url")] public string ZipballUrl { get; set; }
+        [JsonProperty("zipball_url")] public string ZipballUrl { get; set; }
 
-    [JsonProperty("body")] public string Body { get; set; }
+        [JsonProperty("body")] public string Body { get; set; }
+    }
 }
\ No newline at end of file