diff --git a/ProjBobcat/ProjBobcat/Class/Model/AssetObjectModel.cs b/ProjBobcat/ProjBobcat/Class/Model/AssetObjectModel.cs
index 30d5305b..bef41558 100644
--- a/ProjBobcat/ProjBobcat/Class/Model/AssetObjectModel.cs
+++ b/ProjBobcat/ProjBobcat/Class/Model/AssetObjectModel.cs
@@ -30,7 +30,7 @@ public class AssetObjectModel
     ///     Asset Objects集合
     /// </summary>
     [JsonPropertyName("objects")]
-    public Dictionary<string, AssetFileInfo> Objects { get; set; }
+    public IReadOnlyDictionary<string, AssetFileInfo> Objects { get; set; }
 }
 
 [JsonSerializable(typeof(AssetObjectModel))]
diff --git a/ProjBobcat/ProjBobcat/Class/Model/CurseForge/CurseForgeAddonInfo.cs b/ProjBobcat/ProjBobcat/Class/Model/CurseForge/CurseForgeAddonInfo.cs
index ec7ce071..85605200 100644
--- a/ProjBobcat/ProjBobcat/Class/Model/CurseForge/CurseForgeAddonInfo.cs
+++ b/ProjBobcat/ProjBobcat/Class/Model/CurseForge/CurseForgeAddonInfo.cs
@@ -20,7 +20,7 @@ public class CurseForgeAddonInfo
     [JsonPropertyName("gameId")] public int GameId { get; set; }
 
     [JsonPropertyName("summary")] public string Summary { get; set; }
-    [JsonPropertyName("links")] public Dictionary<string, string> Links { get; set; }
+    [JsonPropertyName("links")] public IReadOnlyDictionary<string, string> Links { get; set; }
 
     [JsonPropertyName("defaultFileId")] public int DefaultFileId { get; set; }
     [JsonPropertyName("releaseType")] public int ReleaseType { get; set; }
diff --git a/ProjBobcat/ProjBobcat/Class/Model/Fabric/FabricModInfoModel.cs b/ProjBobcat/ProjBobcat/Class/Model/Fabric/FabricModInfoModel.cs
index 36293659..37eb2cd5 100644
--- a/ProjBobcat/ProjBobcat/Class/Model/Fabric/FabricModInfoModel.cs
+++ b/ProjBobcat/ProjBobcat/Class/Model/Fabric/FabricModInfoModel.cs
@@ -30,13 +30,13 @@ public class FabricModInfoModel
 
     [JsonPropertyName("environment")] public string Environment { get; set; }
 
-    [JsonPropertyName("entrypoints")] public Dictionary<string, string[]> Entrypoints { get; set; }
+    [JsonPropertyName("entrypoints")] public IReadOnlyDictionary<string, string[]> Entrypoints { get; set; }
 
     [JsonPropertyName("custom")] public Custom Custom { get; set; }
 
-    [JsonPropertyName("depends")] public Dictionary<string, string> Depends { get; set; }
+    [JsonPropertyName("depends")] public IReadOnlyDictionary<string, string> Depends { get; set; }
 
-    [JsonPropertyName("recommends")] public Dictionary<string, string> Recommends { get; set; }
+    [JsonPropertyName("recommends")] public IReadOnlyDictionary<string, string> Recommends { get; set; }
 
     [JsonPropertyName("name")] public string Name { get; set; }
 
@@ -46,7 +46,7 @@ public class FabricModInfoModel
 
     [JsonPropertyName("authors")] public string[] Authors { get; set; }
 
-    [JsonPropertyName("contacts")] public Dictionary<string, string> Contacts { get; set; }
+    [JsonPropertyName("contacts")] public IReadOnlyDictionary<string, string> Contacts { get; set; }
 
     [JsonPropertyName("jars")] public FabricFileInfo[] Jars { get; set; }
 }
diff --git a/ProjBobcat/ProjBobcat/Class/Model/Forge/ForgeInstallProfile.cs b/ProjBobcat/ProjBobcat/Class/Model/Forge/ForgeInstallProfile.cs
index ff3f97b4..17ca8e63 100644
--- a/ProjBobcat/ProjBobcat/Class/Model/Forge/ForgeInstallProfile.cs
+++ b/ProjBobcat/ProjBobcat/Class/Model/Forge/ForgeInstallProfile.cs
@@ -20,7 +20,7 @@ public class ForgeInstallProfileProcessor
 
     [JsonPropertyName("args")] public string[] Arguments { get; set; }
 
-    [JsonPropertyName("outputs")] public Dictionary<string, string> Outputs { get; set; }
+    [JsonPropertyName("outputs")] public IReadOnlyDictionary<string, string> Outputs { get; set; }
 }
 
 public class ForgeInstallProfile
@@ -45,7 +45,7 @@ public class ForgeInstallProfile
 
     [JsonPropertyName("welcome")] public string Welcome { get; set; }
 
-    [JsonPropertyName("data")] public Dictionary<string, ForgeInstallProfileData> Data { get; set; }
+    [JsonPropertyName("data")] public IReadOnlyDictionary<string, ForgeInstallProfileData> Data { get; set; }
 
     [JsonPropertyName("processors")] public ForgeInstallProfileProcessor[] Processors { get; set; }
 
diff --git a/ProjBobcat/ProjBobcat/Class/Model/MicrosoftAuth/MojangProfileResponseModel.cs b/ProjBobcat/ProjBobcat/Class/Model/MicrosoftAuth/MojangProfileResponseModel.cs
index 7fc72469..9f76ac57 100644
--- a/ProjBobcat/ProjBobcat/Class/Model/MicrosoftAuth/MojangProfileResponseModel.cs
+++ b/ProjBobcat/ProjBobcat/Class/Model/MicrosoftAuth/MojangProfileResponseModel.cs
@@ -1,6 +1,5 @@
 using System;
 using System.Linq;
-using System.Text.Json;
 using System.Text.Json.Serialization;
 
 namespace ProjBobcat.Class.Model.MicrosoftAuth;
diff --git a/ProjBobcat/ProjBobcat/Class/Model/Modrinth/ModrinthModPackFileModel.cs b/ProjBobcat/ProjBobcat/Class/Model/Modrinth/ModrinthModPackFileModel.cs
index 1d2f369f..e04f1fc9 100644
--- a/ProjBobcat/ProjBobcat/Class/Model/Modrinth/ModrinthModPackFileModel.cs
+++ b/ProjBobcat/ProjBobcat/Class/Model/Modrinth/ModrinthModPackFileModel.cs
@@ -7,7 +7,7 @@ public class ModrinthModPackFileModel
 {
     [JsonPropertyName("path")] public string? Path { get; set; }
 
-    [JsonPropertyName("hashes")] public Dictionary<string, string> Hashes { get; set; }
+    [JsonPropertyName("hashes")] public IReadOnlyDictionary<string, string> Hashes { get; set; }
 
     [JsonPropertyName("downloads")] public string[] Downloads { get; set; }
 
diff --git a/ProjBobcat/ProjBobcat/Class/Model/Modrinth/ModrinthModPackIndexModel.cs b/ProjBobcat/ProjBobcat/Class/Model/Modrinth/ModrinthModPackIndexModel.cs
index a2c06727..03b8a3f5 100644
--- a/ProjBobcat/ProjBobcat/Class/Model/Modrinth/ModrinthModPackIndexModel.cs
+++ b/ProjBobcat/ProjBobcat/Class/Model/Modrinth/ModrinthModPackIndexModel.cs
@@ -17,7 +17,7 @@ public class ModrinthModPackIndexModel
 
     [JsonPropertyName("files")] public ModrinthModPackFileModel[] Files { get; set; }
 
-    [JsonPropertyName("dependencies")] public Dictionary<string, string> Dependencies { get; set; }
+    [JsonPropertyName("dependencies")] public IReadOnlyDictionary<string, string> Dependencies { get; set; }
 }
 
 [JsonSerializable(typeof(ModrinthModPackIndexModel))]
diff --git a/ProjBobcat/ProjBobcat/Class/Model/Modrinth/ModrinthVersionInfo.cs b/ProjBobcat/ProjBobcat/Class/Model/Modrinth/ModrinthVersionInfo.cs
index 07b1b0fc..e223911a 100644
--- a/ProjBobcat/ProjBobcat/Class/Model/Modrinth/ModrinthVersionInfo.cs
+++ b/ProjBobcat/ProjBobcat/Class/Model/Modrinth/ModrinthVersionInfo.cs
@@ -6,7 +6,7 @@ namespace ProjBobcat.Class.Model.Modrinth;
 
 public class ModrinthFileInfo
 {
-    [JsonPropertyName("hashes")] public Dictionary<string, string> Hashes { get; set; }
+    [JsonPropertyName("hashes")] public IReadOnlyDictionary<string, string> Hashes { get; set; }
 
     [JsonPropertyName("url")] public string Url { get; set; }
 
diff --git a/ProjBobcat/ProjBobcat/Class/Model/Mojang/UserProfilePropertyValue.cs b/ProjBobcat/ProjBobcat/Class/Model/Mojang/UserProfilePropertyValue.cs
index a073b4c7..cd18c7ff 100644
--- a/ProjBobcat/ProjBobcat/Class/Model/Mojang/UserProfilePropertyValue.cs
+++ b/ProjBobcat/ProjBobcat/Class/Model/Mojang/UserProfilePropertyValue.cs
@@ -13,7 +13,7 @@ public class UserProfilePropertyValue
     [JsonPropertyName("timestamp")] public long Timestamp { get; set; }
     [JsonPropertyName("profileId")] public string ProfileId { get; set; }
     [JsonPropertyName("profileName")] public string ProfileName { get; set; }
-    [JsonPropertyName("textures")] public Dictionary<string, UrlModel> Textures { get; set; }
+    [JsonPropertyName("textures")] public IReadOnlyDictionary<string, UrlModel> Textures { get; set; }
 }
 
 [JsonSerializable(typeof(UserProfilePropertyValue))]
diff --git a/ProjBobcat/ProjBobcat/Class/Model/RawVersionModel.cs b/ProjBobcat/ProjBobcat/Class/Model/RawVersionModel.cs
index f72ef54c..021a90d3 100644
--- a/ProjBobcat/ProjBobcat/Class/Model/RawVersionModel.cs
+++ b/ProjBobcat/ProjBobcat/Class/Model/RawVersionModel.cs
@@ -75,7 +75,7 @@ public class Extract
 public class Downloads
 {
     [JsonPropertyName("artifact")] public FileInfo? Artifact { get; set; }
-    [JsonPropertyName("classifiers")] public Dictionary<string, FileInfo> Classifiers { get; set; }
+    [JsonPropertyName("classifiers")] public IReadOnlyDictionary<string, FileInfo> Classifiers { get; set; }
 }
 
 public class Library
@@ -86,7 +86,7 @@ public class Library
 
     [JsonPropertyName("extract")] public Extract Extract { get; set; }
 
-    [JsonPropertyName("natives")] public Dictionary<string, string> Natives { get; set; }
+    [JsonPropertyName("natives")] public IReadOnlyDictionary<string, string> Natives { get; set; }
 
     [JsonPropertyName("rules")] public JvmRules[] Rules { get; set; }
 
diff --git a/ProjBobcat/ProjBobcat/Class/Model/YggdrasilAuth/PlayerTextureInfoModel.cs b/ProjBobcat/ProjBobcat/Class/Model/YggdrasilAuth/PlayerTextureInfoModel.cs
index 43649b09..d30fe109 100644
--- a/ProjBobcat/ProjBobcat/Class/Model/YggdrasilAuth/PlayerTextureInfoModel.cs
+++ b/ProjBobcat/ProjBobcat/Class/Model/YggdrasilAuth/PlayerTextureInfoModel.cs
@@ -11,5 +11,5 @@ public class PlayerTextureInfoModel
 
     [JsonPropertyName("profileName")] public string ProfileName { get; set; }
 
-    [JsonPropertyName("textures")] public Dictionary<string, TextureInfoModel> Textures { get; set; }
+    [JsonPropertyName("textures")] public IReadOnlyDictionary<string, TextureInfoModel> Textures { get; set; }
 }
\ No newline at end of file
diff --git a/ProjBobcat/ProjBobcat/DefaultComponent/DefaultResourceCompleter.cs b/ProjBobcat/ProjBobcat/DefaultComponent/DefaultResourceCompleter.cs
index f86817b5..75f29c33 100644
--- a/ProjBobcat/ProjBobcat/DefaultComponent/DefaultResourceCompleter.cs
+++ b/ProjBobcat/ProjBobcat/DefaultComponent/DefaultResourceCompleter.cs
@@ -121,6 +121,7 @@ public event EventHandler<DownloadFileCompletedEventArgs> DownloadFileCompletedE
         async Task ReceiveGameResourceTask(IAsyncEnumerable<IGameResource> asyncEnumerable)
         {
             var count = 0UL;
+            var refreshCounter = 0;
 
             await foreach (var element in asyncEnumerable)
             {
@@ -133,6 +134,13 @@ async Task ReceiveGameResourceTask(IAsyncEnumerable<IGameResource> asyncEnumerab
                 });
 
                 await gameResourceTransBlock.SendAsync(element);
+                refreshCounter++;
+
+                if (refreshCounter % 10 == 0)
+                {
+                    Interlocked.Add(ref _needToDownload, count);
+                    count = 0;
+                }
             }
 
             Interlocked.Add(ref _needToDownload, count);
@@ -141,7 +149,7 @@ async Task ReceiveGameResourceTask(IAsyncEnumerable<IGameResource> asyncEnumerab
         var chunks = ResourceInfoResolvers.Chunk(MaxDegreeOfParallelism).ToImmutableArray();
         foreach (var chunk in chunks)
         {
-            var tasks = new Task[chunk.Length];
+            var tasks = new Task[chunk.Length * 2];
             
             for (var i = 0; i < chunk.Length; i++)
             {