diff --git a/src/Internal/Editor/UnityEditorUtility.cs b/src/Internal/Editor/UnityEditorUtility.cs
index 8d33618..965b31b 100644
--- a/src/Internal/Editor/UnityEditorUtility.cs
+++ b/src/Internal/Editor/UnityEditorUtility.cs
@@ -224,13 +224,11 @@ namespace DCFApixels.DragonECS.Unity.Editors
         }
 
         //private static Type[] _noHiddenSerializableTypes;
-
         private static GUIContent _singletonIconContent = null;
         private static GUIContent _singletonContent = null;
         private static GUIStyle _inputFieldCenterAnhor = null;
         private static Dictionary<Type, MonoScript> _scriptsAssets = new Dictionary<Type, MonoScript>(256);
 
-
         internal static void ResetValues(this SerializedProperty property, bool isExpand = false)
         {
             ResetValues_Internal(property.Copy(), isExpand, property.depth);
diff --git a/src/Internal/MonoScriptsAssetProcessor.cs b/src/Internal/MonoScriptsAssetProcessor.cs
index 85e94de..0450392 100644
--- a/src/Internal/MonoScriptsAssetProcessor.cs
+++ b/src/Internal/MonoScriptsAssetProcessor.cs
@@ -1,4 +1,5 @@
 #if UNITY_EDITOR
+using DCFApixels.DragonECS.Unity.Internal;
 using System;
 using System.Collections.Generic;
 using UnityEditor;
@@ -50,11 +51,11 @@ namespace DCFApixels.DragonECS.Unity.Editors
 
         private static List<string> _removedScriptGuids = new List<string>();
         private static List<string> _newScriptIDs = new List<string>();
-        public static IReadOnlyCollection<string> RemovedScriptPaths
+        public static ReadOnlyList<string> RemovedScriptPaths
         {
             get { return _removedScriptGuids; }
         }
-        public static IReadOnlyCollection<string> NewScriptPaths
+        public static ReadOnlyList<string> NewScriptPaths
         {
             get { return _newScriptIDs; }
         }
diff --git a/src/Internal/ScriptsCache.cs b/src/Internal/ScriptsCache.cs
index 151749d..9606dc6 100644
--- a/src/Internal/ScriptsCache.cs
+++ b/src/Internal/ScriptsCache.cs
@@ -61,19 +61,13 @@ namespace DCFApixels.DragonECS.Unity.Editors
             {
                 if (MonoScriptsAssetProcessor.Version <= _version) { return; }
 
-                if (MonoScriptsAssetProcessor.RemovedScriptPaths.Count > 0)
+                var paths = MonoScriptsAssetProcessor.RemovedScriptPaths;
+                if (paths.Count > 0)
                 {
                     List<string> removedKeys = new List<string>();
-                    uint pathsLength = (uint)MonoScriptsAssetProcessor.RemovedScriptPaths.Count;
-                    string[] paths = new string[pathsLength];
-                    int i = 0;
-                    foreach (var path in MonoScriptsAssetProcessor.RemovedScriptPaths)
-                    {
-                        paths[i++] = path;
-                    }
                     foreach (var metaIDScriptPathPair in _metaIDScriptPathPairs)
                     {
-                        for (uint j = 0; j < pathsLength; j++)
+                        for (int j = 0; j < paths.Count; j++)
                         {
                             if (paths[j] == metaIDScriptPathPair.Value)
                             {
@@ -88,10 +82,11 @@ namespace DCFApixels.DragonECS.Unity.Editors
                     }
                 }
 
-                if (MonoScriptsAssetProcessor.NewScriptPaths.Count > 0)
+                paths = MonoScriptsAssetProcessor.NewScriptPaths;
+                if (paths.Count > 0)
                 {
                     List<string> metaIDs = new List<string>();
-                    foreach (var assetPath in MonoScriptsAssetProcessor.NewScriptPaths)
+                    foreach (var assetPath in paths)
                     {
                         ExtractMetaIDs(AssetDatabase.LoadAssetAtPath<MonoScript>(assetPath).text, metaIDs);
                         foreach (var metaID in metaIDs)
diff --git a/src/Internal/Utils/ReadOnlyList.cs b/src/Internal/Utils/ReadOnlyList.cs
new file mode 100644
index 0000000..87e7b99
--- /dev/null
+++ b/src/Internal/Utils/ReadOnlyList.cs
@@ -0,0 +1,40 @@
+using System.Collections;
+using System.Collections.Generic;
+
+namespace DCFApixels.DragonECS.Unity.Internal
+{
+    internal readonly struct ReadOnlyList<T> : IEnumerable<T>, IReadOnlyList<T>
+    {
+        private  readonly List<T> _list;
+        public ReadOnlyList(List<T> list)
+        {
+            _list = list;
+        }
+        public int Count
+        {
+            get { return _list.Count; }
+        }
+        public T this[int index]
+        {
+            get { return _list[index]; }
+            set { _list[index] = value; }
+        }
+        public bool Contains(T item)
+        {
+            return _list.Contains(item);
+        }
+        public List<T>.Enumerator GetEnumerator()
+        {
+            return _list.GetEnumerator();
+        }
+        IEnumerator<T> IEnumerable<T>.GetEnumerator()
+        {
+            return _list.GetEnumerator();
+        }
+        IEnumerator IEnumerable.GetEnumerator()
+        {
+            return _list.GetEnumerator();
+        }
+        public static implicit operator ReadOnlyList<T>(List<T> a) { return new ReadOnlyList<T>(a); }
+    }
+}
diff --git a/src/Internal/Utils/ReadOnlyList.cs.meta b/src/Internal/Utils/ReadOnlyList.cs.meta
new file mode 100644
index 0000000..4345e3e
--- /dev/null
+++ b/src/Internal/Utils/ReadOnlyList.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: d6be8f1171a60d646b862ec8472c55ef
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/src/Tools/DeepDebugger/Editors/DeepDebuggerWindow.cs b/src/Tools/DeepDebugger/Editors/DeepDebuggerWindow.cs
index 0611cda..1bf3be5 100644
--- a/src/Tools/DeepDebugger/Editors/DeepDebuggerWindow.cs
+++ b/src/Tools/DeepDebugger/Editors/DeepDebuggerWindow.cs
@@ -1,5 +1,7 @@
 #if UNITY_EDITOR
 using DCFApixels.DragonECS.Unity.Internal;
+using DCFApixels.DragonECS.Unity.RefRepairer.Editors;
+using DCFApixels.DragonECS.Unity.RefRepairer.Internal;
 using UnityEditor;
 using UnityEngine;
 
@@ -20,18 +22,36 @@ namespace DCFApixels.DragonECS.Unity.Editors
         }
 #endif
 
+        public enum Page
+        {
+            ScriptsCache,
+            MetaIDRegistry,
+        }
+        private Page _page;
         private Vector2 pos;
         private void OnGUI()
         {
-            var dicst = ScriptsCache.MetaIDScriptPathPairs;
-
-            pos = GUILayout.BeginScrollView(pos);
+            _page = (Page)EditorGUILayout.EnumPopup(_page);
 
+            switch (_page)
+            {
+                case Page.ScriptsCache:
+                    DrawScriptsCache();
+                    break;
+                case Page.MetaIDRegistry:
+                    DrawMetaIDRegistry();
+                    break;
+            }
+        }
+        
+        private void DrawScriptsCache()
+        {
             if (GUILayout.Button("Reset"))
             {
                 ScriptsCache.Reinit();
             }
-
+            var dicst = ScriptsCache.MetaIDScriptPathPairs;
+            pos = GUILayout.BeginScrollView(pos);
             foreach (var (metaID, scriptPath) in dicst)
             {
                 GUILayout.Label("", GUILayout.ExpandWidth(true));
@@ -42,6 +62,28 @@ namespace DCFApixels.DragonECS.Unity.Editors
             }
             GUILayout.EndScrollView();
         }
+
+        private void DrawMetaIDRegistry()
+        {
+            if (GUILayout.Button("Reset"))
+            {
+                MetaIDRegistry.instance.Reinit();
+            }
+            var dicst = MetaIDRegistry.instance.TypeKeyMetaIDPairs;
+            pos = GUILayout.BeginScrollView(pos);
+            foreach (var (typeData, scriptPath) in dicst)
+            {
+                GUILayout.Label("", GUILayout.ExpandWidth(true));
+                Rect rect = GUILayoutUtility.GetLastRect();
+                var (leftRect, rightRect) = rect.HorizontalSliceLerp(0.5f);
+                Rect preLeftRect = default;
+                (preLeftRect, leftRect) = rect.HorizontalSliceLeft(18f);
+                GUI.Label(preLeftRect, typeData.ToType() == null ? "-" : "+");
+                GUI.Label(leftRect, typeData.ToString());
+                GUI.Label(rightRect, scriptPath);
+            }
+            GUILayout.EndScrollView();
+        }
     }
 }
 #endif
diff --git a/src/Tools/RefRepairer/Editor/MetaIDRegistry.cs b/src/Tools/RefRepairer/Editor/MetaIDRegistry.cs
index a107a8f..502346b 100644
--- a/src/Tools/RefRepairer/Editor/MetaIDRegistry.cs
+++ b/src/Tools/RefRepairer/Editor/MetaIDRegistry.cs
@@ -28,11 +28,18 @@ namespace DCFApixels.DragonECS.Unity.RefRepairer.Editors
         private Pair[] _typeKeyMetaIDPairsSerializable;
         #endregion
         private Dictionary<TypeData, string> _typeKeyMetaIDPairs = new Dictionary<TypeData, string>();
+        internal IReadOnlyDictionary<TypeData, string> TypeKeyMetaIDPairs => _typeKeyMetaIDPairs;
         private bool _isChanged = false;
 
         public bool TryGetMetaID(TypeData key, out string metaID)
         {
-            return _typeKeyMetaIDPairs.TryGetValue(key, out metaID);
+            bool result = _typeKeyMetaIDPairs.TryGetValue(key, out metaID);
+            if(result && string.IsNullOrEmpty(metaID))
+            {
+                result = false;
+                _typeKeyMetaIDPairs.Remove(key);
+            }
+            return result;
         }
 
 
@@ -43,7 +50,7 @@ namespace DCFApixels.DragonECS.Unity.RefRepairer.Editors
         private static void BeforeCompilation()
         {
             EditorApplication.update -= BeforeCompilation;
-            instance.TryGetMetaID(default, out _);
+            instance.TryGetMetaID(TypeData.Empty, out _);
             instance.Update();
         }
 
@@ -55,25 +62,26 @@ namespace DCFApixels.DragonECS.Unity.RefRepairer.Editors
         }
         private void Update()
         {
-            var typeMetas = UnityEditorUtility._serializableTypeWithMetaIDMetas;
+            if (UnityEditorUtility.IsHasAnyMetaIDCollision) { return; }
+            var typeMetas = UnityEditorUtility._typeWithMetaIDMetas;
             foreach (var meta in typeMetas)
             {
-                var key = new TypeData(meta.Type);
+                var typeKey = new TypeData(meta.Type);
                 var metaID = meta.MetaID;
 
                 //Debug.LogWarning(type + " " + metaID);
 
-                if (_typeKeyMetaIDPairs.TryGetValue(key, out string keyMetaID))
+                if (_typeKeyMetaIDPairs.TryGetValue(typeKey, out string storedMetaID))
                 {
-                    if (keyMetaID != metaID)
+                    if (storedMetaID != metaID)
                     {
-                        _typeKeyMetaIDPairs[key] = null; //Таким образом помечаются моменты когда не однозначно какой идентификатор принадлежит этому имени
+                        _typeKeyMetaIDPairs[typeKey] = string.Empty; //Таким образом помечаются моменты когда не однозначно какой идентификатор принадлежит этому имени
                         _isChanged = true;
                     }
                 }
                 else
                 {
-                    _typeKeyMetaIDPairs[key] = metaID;
+                    _typeKeyMetaIDPairs[typeKey] = metaID;
                     _isChanged = true;
                 }
             }
@@ -92,10 +100,9 @@ namespace DCFApixels.DragonECS.Unity.RefRepairer.Editors
             _typeKeyMetaIDPairs.Clear();
             foreach (var pair in _typeKeyMetaIDPairsSerializable)
             {
-                if (string.IsNullOrEmpty(pair.value) == false)
-                {
-                    _typeKeyMetaIDPairs[pair.key] = pair.value;
-                }
+                if (string.IsNullOrEmpty(pair.value) || pair.key.IsEmpty) { continue; }
+
+                _typeKeyMetaIDPairs[pair.key] = pair.value;
             }
         }
         void ISerializationCallbackReceiver.OnBeforeSerialize()
diff --git a/src/Tools/RefRepairer/MissingsResolvingData.cs b/src/Tools/RefRepairer/MissingsResolvingData.cs
index a61bae8..bb039e9 100644
--- a/src/Tools/RefRepairer/MissingsResolvingData.cs
+++ b/src/Tools/RefRepairer/MissingsResolvingData.cs
@@ -1,7 +1,6 @@
 #if UNITY_EDITOR
 using DCFApixels.DragonECS.Unity.RefRepairer.Internal;
 using System;
-using System.Reflection;
 
 namespace DCFApixels.DragonECS.Unity.RefRepairer.Editors
 {
@@ -9,8 +8,13 @@ namespace DCFApixels.DragonECS.Unity.RefRepairer.Editors
     {
         public readonly TypeData OldTypeData;
         public readonly string OldSerializedInfoLine;
+
         private TypeData _newTypeData;
         private string _newSerializedInfoLine;
+
+        private Type _chachedNewType = null;
+        private bool _chachedNewTypeInited = false;
+
         public MissingsResolvingData(TypeData oldTypeData)
         {
             OldTypeData = oldTypeData;
@@ -18,13 +22,7 @@ namespace DCFApixels.DragonECS.Unity.RefRepairer.Editors
         }
         public bool IsResolved
         {
-            get
-            {
-                //return
-                //    string.IsNullOrEmpty(_newTypeData.ClassName) == false &&
-                //    string.IsNullOrEmpty(_newTypeData.AssemblyName) == false;
-                return FindNewType() != null;
-            }
+            get { return FindNewType() != null; }
         }
         public bool IsEmpty
         {
@@ -35,34 +33,6 @@ namespace DCFApixels.DragonECS.Unity.RefRepairer.Editors
                     string.IsNullOrEmpty(_newTypeData.AssemblyName);
             }
         }
-        private Type _chachedNewType = null;
-        private bool _chachedNewTypeInited = false;
-        public Type FindNewType()
-        {
-            if (_chachedNewTypeInited == false)
-            {
-                if (string.IsNullOrEmpty(_newTypeData.AssemblyName) == false)
-                {
-                    Assembly assembly = null;
-                    try
-                    {
-                        assembly = Assembly.Load(_newTypeData.AssemblyName);
-                    }
-                    catch { }
-                    if (assembly == null)
-                    {
-                        _chachedNewType = null;
-                    }
-                    else
-                    {
-                        string fullTypeName = $"{_newTypeData.NamespaceName}.{_newTypeData.ClassName}";
-                        _chachedNewType = assembly.GetType(fullTypeName);
-                    }
-                    _chachedNewTypeInited = true;
-                }
-            }
-            return _chachedNewType;
-        }
         public TypeData NewTypeData
         {
             get { return _newTypeData; }
@@ -85,6 +55,15 @@ namespace DCFApixels.DragonECS.Unity.RefRepairer.Editors
                 return _newSerializedInfoLine;
             }
         }
+
+        public Type FindNewType()
+        {
+            if (_chachedNewTypeInited == false)
+            {
+                _chachedNewType = _newTypeData.ToType();
+            }
+            return _chachedNewType;
+        }
     }
 }
 #endif
\ No newline at end of file
diff --git a/src/Tools/RefRepairer/TypeData.cs b/src/Tools/RefRepairer/TypeData.cs
index 8fb88fb..7a78879 100644
--- a/src/Tools/RefRepairer/TypeData.cs
+++ b/src/Tools/RefRepairer/TypeData.cs
@@ -1,5 +1,6 @@
 #if UNITY_EDITOR
 using System;
+using System.Reflection;
 using System.Text;
 using UnityEditor;
 
@@ -11,6 +12,7 @@ namespace DCFApixels.DragonECS.Unity.RefRepairer.Internal
         public string ClassName;
         public string NamespaceName;
         public string AssemblyName;
+        public bool IsEmpty { get { return string.IsNullOrWhiteSpace(ClassName); } }
         public TypeDataSerializable(string typeName, string namespaceName, string assemblyName)
         {
             ClassName = typeName;
@@ -19,17 +21,19 @@ namespace DCFApixels.DragonECS.Unity.RefRepairer.Internal
         }
         public static implicit operator TypeDataSerializable(TypeData type) { return new TypeDataSerializable(type.ClassName, type.NamespaceName, type.AssemblyName); }
         public static implicit operator TypeData(TypeDataSerializable type) { return new TypeData(type.ClassName, type.NamespaceName, type.AssemblyName); }
+        public override string ToString() { return $"{{{AssemblyName}, {NamespaceName}, {ClassName}}}"; }
     }
     internal readonly struct TypeData : IEquatable<TypeData>
     {
+        public static readonly TypeData Empty = new TypeData(string.Empty, string.Empty, string.Empty);
         public readonly string ClassName;
         public readonly string NamespaceName;
         public readonly string AssemblyName;
         public TypeData(ManagedReferenceMissingType managedReferenceMissingType)
         {
-            ClassName = managedReferenceMissingType.className;
-            NamespaceName = managedReferenceMissingType.namespaceName;
-            AssemblyName = managedReferenceMissingType.assemblyName;
+            ClassName = managedReferenceMissingType.className ?? string.Empty;
+            NamespaceName = managedReferenceMissingType.namespaceName ?? string.Empty;
+            AssemblyName = managedReferenceMissingType.assemblyName ?? string.Empty;
         }
         public TypeData(string typeName, string namespaceName, string assemblyName)
         {
@@ -37,12 +41,12 @@ namespace DCFApixels.DragonECS.Unity.RefRepairer.Internal
             NamespaceName = namespaceName;
             AssemblyName = assemblyName;
         }
-
+        public bool IsEmpty { get { return string.IsNullOrWhiteSpace(ClassName); } }
         [ThreadStatic]
         private static StringBuilder sb;
         public TypeData(Type type)
         {
-            string name = null;
+            string name = string.Empty;
             if (type.DeclaringType == null)
             {
                 name = type.Name;
@@ -65,7 +69,7 @@ namespace DCFApixels.DragonECS.Unity.RefRepairer.Internal
             }
 
             ClassName = name;
-            NamespaceName = type.Namespace;
+            NamespaceName = type.Namespace ?? string.Empty;
             AssemblyName = type.Assembly.GetName().Name;
         }
         public bool Equals(TypeData other)
@@ -74,13 +78,48 @@ namespace DCFApixels.DragonECS.Unity.RefRepairer.Internal
                 NamespaceName == other.NamespaceName &&
                 AssemblyName == other.AssemblyName;
         }
-        public override bool Equals(object obj)
+        public override bool Equals(object obj) { return Equals((TypeData)obj); }
+        public override int GetHashCode() 
         {
-            return Equals((TypeData)obj);
+            int hash1 = ClassName.GetHashCode();
+            int hash2 = NamespaceName.GetHashCode();
+            int hash3 = AssemblyName.GetHashCode();
+            return hash1 ^ hash2 ^ hash3; 
         }
-        public override int GetHashCode()
+        public override string ToString() { return $"{{{AssemblyName}, {NamespaceName}, {ClassName}}}"; }
+    }
+    internal static class TypeDataExtensions
+    {
+        public static Type ToType(this TypeData sefl)
         {
-            return HashCode.Combine(ClassName, NamespaceName, AssemblyName);
+            return ToType(sefl.AssemblyName, sefl.NamespaceName, sefl.ClassName);
+        }
+        public static Type ToType(this TypeDataSerializable sefl)
+        {
+            return ToType(sefl.AssemblyName, sefl.NamespaceName, sefl.ClassName);
+        }
+        private static Type ToType(string AssemblyName, string NamespaceName, string ClassName)
+        {
+            Type result = null;
+            if (string.IsNullOrEmpty(AssemblyName) == false)
+            {
+                Assembly assembly = null;
+                try
+                {
+                    assembly = Assembly.Load(AssemblyName);
+                }
+                catch { }
+                if (assembly == null)
+                {
+                    result = null;
+                }
+                else
+                {
+                    string fullTypeName = $"{NamespaceName}.{ClassName}";
+                    result = assembly.GetType(fullTypeName);
+                }
+            }
+            return result;
         }
     }
 }