diff --git a/Editor/Link/Analyzer.cs b/Editor/Link/Analyzer.cs
index 9d416e1..f701c60 100644
--- a/Editor/Link/Analyzer.cs
+++ b/Editor/Link/Analyzer.cs
@@ -6,6 +6,7 @@ using System.Text;
 using System.Threading.Tasks;
 using dnlib.DotNet;
 using HybridCLR.Editor.Meta;
+using UnityEditor;
 using IAssemblyResolver = HybridCLR.Editor.Meta.IAssemblyResolver;
 
 namespace HybridCLR.Editor.Link
@@ -44,9 +45,54 @@ namespace HybridCLR.Editor.Link
                         }
                     }
                 }
+
+                var modsExludeRoots = assCollector.LoadedModules
+                    .Where(e => !rootAssemblyName.Contains(e.Key))
+                    .ToDictionary(e => e.Key, e => e.Value);
+                CollectObjectTypeInAssets(modsExludeRoots, typeRefs);
+
+
                 assCollector.Dispose();
                 return typeRefs;
             }
         }
+
+        public void CollectObjectTypeInAssets(Dictionary<string, ModuleDefMD> mods, HashSet<TypeRef> typeRefs)
+        {
+            var objTypes = new HashSet<Type>();
+            string[] guids = AssetDatabase.FindAssets("t:Object", new[] { "Assets" });
+            foreach (string guid in guids)
+            {
+                string assetPath = AssetDatabase.GUIDToAssetPath(guid);
+                Type mainAssetType =  AssetDatabase.GetMainAssetTypeAtPath(assetPath);
+                if (mainAssetType == typeof(SceneAsset))
+                {
+
+                }
+                else
+                {
+                    UnityEngine.Object[] objs = AssetDatabase.LoadAllAssetsAtPath(assetPath);
+                    foreach (UnityEngine.Object obj in objs)
+                    {
+                        objTypes.Add(obj.GetType());
+                    }
+                }
+            }
+
+            var importers = mods.ToDictionary(e => e.Key, e => new Importer(e.Value));
+            //Debug.Log($"importers count:{importers.Count} importers:{string.Join(",", importers.Keys)}");
+            foreach (var type in objTypes)
+            {
+                if (importers.TryGetValue(type.Assembly.GetName().Name, out var im))
+                {
+                    typeRefs.Add((TypeRef)im.Import(type));
+                    //Debug.Log($"== add asset type:{type}");
+                }
+                else
+                {
+                    //Debug.Log($"== ignore asset type:{type} {type.Assembly.GetName().Name}");
+                }
+            }
+        }
     }
 }
diff --git a/package.json b/package.json
index 3ca0f00..f4ef7ef 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "com.focus-creative-games.hybridclr_unity",
-  "version": "0.4.2",
+  "version": "0.4.3",
   "displayName": "HybridCLR",
   "description": "Unity package for HybridCLR. It includes editor and runtime scripts and assets for HybridCLR",
   "category": "Runtime",