diff --git a/ASFItemDropper.sln b/ASFItemDropper.sln
index daa9042..b173fa2 100644
--- a/ASFItemDropper.sln
+++ b/ASFItemDropper.sln
@@ -1,12 +1,18 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 15
-VisualStudioVersion = 15.0.26124.0
+# Visual Studio Version 17
+VisualStudioVersion = 17.9.34728.123
 MinimumVisualStudioVersion = 15.0.26124.0
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ASFItemDropper", "ASFItemDropper\ASFItemDropper.csproj", "{D0352FDB-487E-488A-9B07-2D4F19425A39}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ArchiSteamFarm", "ArchiSteamFarm\ArchiSteamFarm\ArchiSteamFarm.csproj", "{930573F9-3DA0-41E8-8E4E-C0476BA8F99C}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "解决方案项", "解决方案项", "{C7B0D013-87A1-4295-93B7-821B18927381}"
+	ProjectSection(SolutionItems) = preProject
+		Directory.Build.props = Directory.Build.props
+		Directory.Packages.props = Directory.Packages.props
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
diff --git a/ASFItemDropper/ASFItemDropper.csproj b/ASFItemDropper/ASFItemDropper.csproj
index 0a030c8..09492e4 100644
--- a/ASFItemDropper/ASFItemDropper.csproj
+++ b/ASFItemDropper/ASFItemDropper.csproj
@@ -9,8 +9,7 @@
 	</ItemGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Newtonsoft.Json" IncludeAssets="compile" />
-		<PackageReference Include="System.Composition.AttributedModel"  />
+		<PackageReference Include="System.Composition.AttributedModel" />
 		<PackageReference Include="SteamKit2" IncludeAssets="compile" />
 	</ItemGroup>
 
diff --git a/ASFItemDropper/ItemList.cs b/ASFItemDropper/ItemList.cs
index f895167..0ed3c22 100644
--- a/ASFItemDropper/ItemList.cs
+++ b/ASFItemDropper/ItemList.cs
@@ -1,99 +1,98 @@
 
 // Generated by https://quicktype.io
+using System;
+using System.Globalization;
+using System.Text.Json;
+using System.Text.Json.Serialization;
 
-namespace QuickType
-{
-    using Newtonsoft.Json;
-    using Newtonsoft.Json.Converters;
-    using System;
-    using System.Globalization;
+namespace QuickType;
 
-    public partial class ItemList
-    {
-        [JsonProperty("accountid")]
-        public string? Accountid { get; set; }
 
-        [JsonProperty("itemid")]
-        public string? Itemid { get; set; }
+public partial class ItemList
+{
+    [JsonPropertyName("accountid")]
+    public string? Accountid { get; set; }
 
-        [JsonProperty("quantity")]
-        public long Quantity { get; set; }
+    [JsonPropertyName("itemid")]
+    public string? Itemid { get; set; }
 
-        [JsonProperty("originalitemid")]
-        public string? Originalitemid { get; set; }
+    [JsonPropertyName("quantity")]
+    public long Quantity { get; set; }
 
-        [JsonProperty("itemdefid")]
-        [JsonConverter(typeof(ParseStringConverter))]
-        public long Itemdefid { get; set; }
+    [JsonPropertyName("originalitemid")]
+    public string? Originalitemid { get; set; }
 
-        [JsonProperty("appid")]
-        public long Appid { get; set; }
+    [JsonPropertyName("itemdefid")]
+    [JsonConverter(typeof(ParseStringConverter))]
+    public long Itemdefid { get; set; }
 
-        [JsonProperty("acquired")]
-        public string? Acquired { get; set; }
+    [JsonPropertyName("appid")]
+    public long Appid { get; set; }
 
-        [JsonProperty("state")]
-        public string? State { get; set; }
+    [JsonPropertyName("acquired")]
+    public string? Acquired { get; set; }
 
-        [JsonProperty("origin")]
-        public string? Origin { get; set; }
+    [JsonPropertyName("state")]
+    public string? State { get; set; }
 
-        [JsonProperty("state_changed_timestamp")]
-        public string? StateChangedTimestamp { get; set; }
-    }
+    [JsonPropertyName("origin")]
+    public string? Origin { get; set; }
 
-    public partial class ItemList
-    {
-        public static ItemList[] FromJson(string json)
-        {
-            return JsonConvert.DeserializeObject<ItemList[]>(json, Converter.Settings) ?? Array.Empty<ItemList>();
-        }
-    }
+    [JsonPropertyName("state_changed_timestamp")]
+    public string? StateChangedTimestamp { get; set; }
+}
 
-    public static class Serialize
+public partial class ItemList
+{
+    public static ItemList[] FromJson(string json)
     {
-        public static string ToJson(this ItemList[] self) => JsonConvert.SerializeObject(self, QuickType.Converter.Settings);
+        return JsonSerializer.Deserialize<ItemList[]>(json, Converter.Settings) ?? Array.Empty<ItemList>();
     }
+}
 
-    internal static class Converter
-    {
-        public static readonly JsonSerializerSettings Settings = new()
-        {
-            MetadataPropertyHandling = MetadataPropertyHandling.Ignore,
-            DateParseHandling = DateParseHandling.None,
-            Converters = {
-                new IsoDateTimeConverter { DateTimeStyles = DateTimeStyles.AssumeUniversal }
-            },
-        };
-    }
+public static class Serialize
+{
+    public static string ToJson(this ItemList[] self) => JsonSerializer.Serialize(self, QuickType.Converter.Settings);
+}
 
-    internal class ParseStringConverter : JsonConverter
+internal static class Converter
+{
+    public static readonly JsonSerializerSettings Settings = new()
     {
-        public override bool CanConvert(Type t) => t == typeof(long) || t == typeof(long?);
+        MetadataPropertyHandling = MetadataPropertyHandling.Ignore,
+        DateParseHandling = DateParseHandling.None,
+        Converters = {
+            new IsoDateTimeConverter { DateTimeStyles = DateTimeStyles.AssumeUniversal }
+        },
+    };
+}
+
+internal class ParseStringConverter : JsonConverter
+{
+    public override bool CanConvert(Type t) => t == typeof(long) || t == typeof(long?);
 
-        public override object? ReadJson(JsonReader reader, Type t, object? existingValue, JsonSerializer serializer)
+    public override object? ReadJson(JsonReader reader, Type t, object? existingValue, JsonSerializer serializer)
+    {
+        if (reader.TokenType == JsonToken.Null) return null;
+        var value = serializer.Deserialize<string>(reader);
+        if (long.TryParse(value, out var l))
         {
-            if (reader.TokenType == JsonToken.Null) return null;
-            var value = serializer.Deserialize<string>(reader);
-            if (long.TryParse(value, out var l))
-            {
-                return l;
-            }
-            throw new Exception("Cannot unmarshal type long");
+            return l;
         }
+        throw new Exception("Cannot unmarshal type long");
+    }
 
-        public override void WriteJson(JsonWriter writer, object? untypedValue, JsonSerializer serializer)
+    public override void WriteJson(JsonWriter writer, object? untypedValue, JsonSerializer serializer)
+    {
+        if (untypedValue == null)
         {
-            if (untypedValue == null)
-            {
-                serializer.Serialize(writer, null);
-                return;
-            }
-            var value = (long)untypedValue;
-            serializer.Serialize(writer, value.ToString());
+            serializer.Serialize(writer, null);
             return;
         }
-
-        public static readonly ParseStringConverter Singleton = new();
+        var value = (long)untypedValue;
+        serializer.Serialize(writer, value.ToString());
+        return;
     }
+
+    public static readonly ParseStringConverter Singleton = new();
 }
diff --git a/Directory.Build.props b/Directory.Build.props
index b906350..4193599 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -26,7 +26,7 @@
 		<RollForward>LatestMajor</RollForward>
 		<RuntimeIdentifiers>linux-arm;linux-arm64;linux-x64;osx-arm64;osx-x64;win-arm64;win-x64</RuntimeIdentifiers>
 		<TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
-		<TargetFramework>net7.0</TargetFramework>
+		<TargetFramework>net8.0</TargetFramework>
 	</PropertyGroup>
 
 	  <PropertyGroup Condition="'$(Configuration)'=='Debug'">