diff --git a/AssetStudio/Classes/Object.cs b/AssetStudio/Classes/Object.cs
index 82065be..f778cdb 100644
--- a/AssetStudio/Classes/Object.cs
+++ b/AssetStudio/Classes/Object.cs
@@ -17,9 +17,11 @@ namespace AssetStudio
         protected BuildType buildType;
         [JsonIgnore]
         public BuildTarget platform;
+        [JsonIgnore]
         public ClassIDType type;
         [JsonIgnore]
         public SerializedType serializedType;
+        public int classID;
         public uint byteSize;
         private static JsonSerializerOptions jsonOptions;
 
@@ -49,6 +51,7 @@ namespace AssetStudio
             buildType = reader.buildType;
             platform = reader.platform;
             serializedType = reader.serializedType;
+            classID = reader.classID;
             byteSize = reader.byteSize;
 
             if (platform == BuildTarget.NoTarget)
diff --git a/AssetStudio/ObjectReader.cs b/AssetStudio/ObjectReader.cs
index d0580db..309678e 100644
--- a/AssetStudio/ObjectReader.cs
+++ b/AssetStudio/ObjectReader.cs
@@ -1,8 +1,4 @@
 using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Text;
 
 namespace AssetStudio
 {
@@ -12,6 +8,7 @@ namespace AssetStudio
         public long m_PathID;
         public long byteStart;
         public uint byteSize;
+        public int classID;
         public ClassIDType type;
         public SerializedType serializedType;
         public BuildTarget platform;
@@ -26,6 +23,7 @@ namespace AssetStudio
             m_PathID = objectInfo.m_PathID;
             byteStart = objectInfo.byteStart;
             byteSize = objectInfo.byteSize;
+            classID = objectInfo.classID;
             if (Enum.IsDefined(typeof(ClassIDType), objectInfo.classID))
             {
                 type = (ClassIDType)objectInfo.classID;