diff --git a/src/Builtin/BaseProcesses.cs b/src/Builtin/BaseProcesses.cs
index 6d6dc52..b500448 100644
--- a/src/Builtin/BaseProcesses.cs
+++ b/src/Builtin/BaseProcesses.cs
@@ -5,28 +5,28 @@ using System;
 namespace DCFApixels.DragonECS
 {
     [MetaName(nameof(PreInit))]
-    [MetaColor(MetaColor.Orange)]
+    [MetaColor(MetaColor.DragonRose)]
     [MetaGroup(EcsConsts.FRAMEWORK_NAME)]
     public interface IEcsPreInit : IEcsProcess
     {
         void PreInit();
     }
     [MetaName(nameof(Init))]
-    [MetaColor(MetaColor.Orange)]
+    [MetaColor(MetaColor.DragonRose)]
     [MetaGroup(EcsConsts.FRAMEWORK_NAME)]
     public interface IEcsInit : IEcsProcess
     {
         void Init();
     }
     [MetaName(nameof(Run))]
-    [MetaColor(MetaColor.Orange)]
+    [MetaColor(MetaColor.DragonRose)]
     [MetaGroup(EcsConsts.FRAMEWORK_NAME)]
     public interface IEcsRun : IEcsProcess
     {
         void Run();
     }
     [MetaName(nameof(Destroy))]
-    [MetaColor(MetaColor.Orange)]
+    [MetaColor(MetaColor.DragonRose)]
     [MetaGroup(EcsConsts.FRAMEWORK_NAME)]
     public interface IEcsDestroy : IEcsProcess
     {
@@ -41,7 +41,7 @@ namespace DCFApixels.DragonECS.Internal
     [Il2CppSetOption(Option.NullChecks, false)]
     [Il2CppSetOption(Option.ArrayBoundsChecks, false)]
 #endif
-    [MetaColor(MetaColor.Orange)]
+    [MetaColor(MetaColor.DragonRose)]
     [MetaGroup(EcsConsts.FRAMEWORK_NAME)]
     internal sealed class EcsPreInitRunner : EcsRunner<IEcsPreInit>, IEcsPreInit
     {
@@ -97,7 +97,7 @@ namespace DCFApixels.DragonECS.Internal
     [Il2CppSetOption(Option.NullChecks, false)]
     [Il2CppSetOption(Option.ArrayBoundsChecks, false)]
 #endif
-    [MetaColor(MetaColor.Orange)]
+    [MetaColor(MetaColor.DragonRose)]
     [MetaGroup(EcsConsts.FRAMEWORK_NAME)]
     internal sealed class EcsInitRunner : EcsRunner<IEcsInit>, IEcsInit
     {
@@ -150,7 +150,7 @@ namespace DCFApixels.DragonECS.Internal
     [Il2CppSetOption(Option.NullChecks, false)]
     [Il2CppSetOption(Option.ArrayBoundsChecks, false)]
 #endif
-    [MetaColor(MetaColor.Orange)]
+    [MetaColor(MetaColor.DragonRose)]
     [MetaGroup(EcsConsts.FRAMEWORK_NAME)]
     internal sealed class EcsRunRunner : EcsRunner<IEcsRun>, IEcsRun
     {
@@ -203,7 +203,7 @@ namespace DCFApixels.DragonECS.Internal
     [Il2CppSetOption(Option.NullChecks, false)]
     [Il2CppSetOption(Option.ArrayBoundsChecks, false)]
 #endif
-    [MetaColor(MetaColor.Orange)]
+    [MetaColor(MetaColor.DragonRose)]
     [MetaGroup(EcsConsts.FRAMEWORK_NAME)]
     internal sealed class EcsDestroyRunner : EcsRunner<IEcsDestroy>, IEcsDestroy
     {
diff --git a/src/Builtin/Worlds.cs b/src/Builtin/Worlds.cs
index 9b059d1..a511ccd 100644
--- a/src/Builtin/Worlds.cs
+++ b/src/Builtin/Worlds.cs
@@ -2,6 +2,8 @@
 
 namespace DCFApixels.DragonECS
 {
+    [MetaColor(MetaColor.DragonRose)]
+    [MetaGroup(EcsConsts.FRAMEWORK_NAME)]
     [DebuggerTypeProxy(typeof(DebuggerProxy))]
     public sealed class EcsDefaultWorld : EcsWorld, IInjectionUnit
     {
@@ -12,6 +14,8 @@ namespace DCFApixels.DragonECS
             initer.AddNode<EcsDefaultWorld>();
         }
     }
+    [MetaColor(MetaColor.DragonRose)]
+    [MetaGroup(EcsConsts.FRAMEWORK_NAME)]
     [DebuggerTypeProxy(typeof(DebuggerProxy))]
     public sealed class EcsEventWorld : EcsWorld, IInjectionUnit
     {
diff --git a/src/Debug/EcsDebugUtility.cs b/src/Debug/EcsDebugUtility.cs
index 8a6d87c..fc3e0b3 100644
--- a/src/Debug/EcsDebugUtility.cs
+++ b/src/Debug/EcsDebugUtility.cs
@@ -156,36 +156,36 @@ namespace DCFApixels.DragonECS
         #endregion
 
         #region GetDescription
-        public static string GetDescription(object obj)
+        public static MetaDescription GetDescription(object obj)
         {
             return GetTypeMeta(obj).Description;
         }
-        public static string GetDescription<T>()
+        public static MetaDescription GetDescription<T>()
         {
             return GetTypeMeta<T>().Description;
         }
-        public static string GetDescription(Type type)
+        public static MetaDescription GetDescription(Type type)
         {
             return GetTypeMeta(type).Description;
         }
 
-        public static bool TryGetDescription(object obj, out string description)
+        public static bool TryGetDescription(object obj, out MetaDescription description)
         {
             TypeMeta meta = GetTypeMeta(obj);
             description = meta.Description;
-            return string.IsNullOrEmpty(description);
+            return description != MetaDescription.Empty;
         }
-        public static bool TryGetDescription<T>(out string description)
+        public static bool TryGetDescription<T>(out MetaDescription description)
         {
             TypeMeta meta = GetTypeMeta<T>();
             description = meta.Description;
-            return string.IsNullOrEmpty(description);
+            return description != MetaDescription.Empty;
         }
-        public static bool TryGetDescription(Type type, out string description)
+        public static bool TryGetDescription(Type type, out MetaDescription description)
         {
             TypeMeta meta = GetTypeMeta(type);
             description = meta.Description;
-            return string.IsNullOrEmpty(description);
+            return description != MetaDescription.Empty;
         }
         #endregion
 
@@ -207,19 +207,19 @@ namespace DCFApixels.DragonECS
         {
             TypeMeta meta = GetTypeMeta(obj);
             group = meta.Group;
-            return group.IsNull;
+            return group != MetaGroup.Empty;
         }
         public static bool TryGetGroup<T>(out MetaGroup group)
         {
             TypeMeta meta = GetTypeMeta<T>();
             group = meta.Group;
-            return group.IsNull;
+            return group != MetaGroup.Empty;
         }
         public static bool TryGetGroup(Type type, out MetaGroup group)
         {
             TypeMeta meta = GetTypeMeta(type);
             group = meta.Group;
-            return group.IsNull;
+            return group != MetaGroup.Empty;
         }
         #endregion
 
@@ -308,7 +308,7 @@ namespace DCFApixels.DragonECS
     {
         string Name { get; }
         MetaColor Color { get; }
-        string Description { get; }
+        MetaDescription Description { get; }
         MetaGroup Group { get; }
         IReadOnlyCollection<string> Tags { get; }
     }
@@ -324,7 +324,7 @@ namespace DCFApixels.DragonECS
 
         private string _name;
         private MetaColor _color;
-        private string _description;
+        private MetaDescription _description;
         private MetaGroup _group;
         private IReadOnlyCollection<string> _tags;
         private int _typeCode;
@@ -400,7 +400,7 @@ namespace DCFApixels.DragonECS
         #endregion
 
         #region Description
-        public string Description
+        public MetaDescription Description
         {
             get
             {
@@ -520,7 +520,7 @@ namespace DCFApixels.DragonECS
             {
                 get { return _meta.Color; }
             }
-            public string Description
+            public MetaDescription Description
             {
                 get { return _meta.Description; }
             }
@@ -587,10 +587,10 @@ namespace DCFApixels.DragonECS
             #endregion
 
             #region GetDescription
-            public static string GetDescription(Type type)
+            public static MetaDescription GetDescription(Type type)
             {
                 bool isCustom = type.TryGetCustomAttribute(out MetaDescriptionAttribute atr);
-                return isCustom ? atr.description : string.Empty;
+                return isCustom ? atr.Data : MetaDescription.Empty;
             }
             #endregion
 
diff --git a/src/Debug/MetaAttributes/MetaColorAttribute.cs b/src/Debug/MetaAttributes/MetaColorAttribute.cs
index c570468..f9c81bf 100644
--- a/src/Debug/MetaAttributes/MetaColorAttribute.cs
+++ b/src/Debug/MetaAttributes/MetaColorAttribute.cs
@@ -1,6 +1,8 @@
 using DCFApixels.DragonECS.Internal;
 using System;
+using System.Diagnostics;
 using System.Runtime.InteropServices;
+using System.Xml.Linq;
 
 namespace DCFApixels.DragonECS
 {
@@ -117,6 +119,12 @@ namespace DCFApixels.DragonECS
         public const int White = -1;
         /// <summary> color code Black. RGB is (0, 0, 0)</summary>
         public const int Black = 0;
+
+
+        /// <summary> RGB is (255, 78, 133) color code </summary>
+        public const int DragonRose = (255 << 24) | (78 << 16) | (133 << 8) | 255;
+        /// <summary> RGB is (0, 255, 156) color code </summary>
+        public const int DragonCyan = (0 << 24) | (255 << 16) | (156 << 8) | 255;
         #endregion
 
         [FieldOffset(0)] public readonly int colorCode;
@@ -329,5 +337,7 @@ namespace DCFApixels.DragonECS
                 (byte)(a.b - b.b));
         }
         #endregion
+
+        public override string ToString() { return $"({r}, {g}, {b})"; }
     }
 }
\ No newline at end of file
diff --git a/src/Debug/MetaAttributes/MetaDescriptionAttribute.cs b/src/Debug/MetaAttributes/MetaDescriptionAttribute.cs
index 3260cc8..1a03581 100644
--- a/src/Debug/MetaAttributes/MetaDescriptionAttribute.cs
+++ b/src/Debug/MetaAttributes/MetaDescriptionAttribute.cs
@@ -1,14 +1,44 @@
 using System;
+using System.Diagnostics;
 
 namespace DCFApixels.DragonECS
 {
     [AttributeUsage(AttributeTargets.Struct | AttributeTargets.Class | AttributeTargets.Interface, Inherited = false, AllowMultiple = false)]
     public sealed class MetaDescriptionAttribute : EcsMetaAttribute
     {
-        public readonly string description;
-        public MetaDescriptionAttribute(string description)
+        public readonly MetaDescription Data;
+        public MetaDescriptionAttribute(string text)
         {
-            this.description = description;
+            Data = new MetaDescription(null, text);
+        }
+        public MetaDescriptionAttribute(string author, string text)
+        {
+            Data = new MetaDescription(author, text);
         }
     }
+    public class MetaDescription
+    {
+        public static readonly MetaDescription Empty = new MetaDescription(null, null);
+        public readonly string Author;
+        public readonly string Text;
+        public MetaDescription(string author, string text)
+        {
+            if (author == null) { author = string.Empty; }
+            if (text == null) { text = string.Empty; }
+            Author = author;
+            Text = text;
+        }
+        public override string ToString()
+        {
+            if (string.IsNullOrEmpty(Author))
+            {
+                return Text;
+            }
+            else
+            {
+                return $"[{Author}] Text";
+            }
+        }
+
+    }
 }
diff --git a/src/Debug/MetaAttributes/MetaGroupAttribute.cs b/src/Debug/MetaAttributes/MetaGroupAttribute.cs
index f494656..f4efc47 100644
--- a/src/Debug/MetaAttributes/MetaGroupAttribute.cs
+++ b/src/Debug/MetaAttributes/MetaGroupAttribute.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.Text.RegularExpressions;
 
 namespace DCFApixels.DragonECS
@@ -7,27 +8,27 @@ namespace DCFApixels.DragonECS
     [AttributeUsage(AttributeTargets.Struct | AttributeTargets.Class | AttributeTargets.Interface, Inherited = false, AllowMultiple = false)]
     public sealed class MetaGroupAttribute : EcsMetaAttribute
     {
-        public readonly MetaGroupRef Data;
+        public readonly MetaGroup Data;
 
         [Obsolete("With empty parameters, this attribute makes no sense.")]
         public MetaGroupAttribute() { }
         public MetaGroupAttribute(string name)
         {
-            Data = new MetaGroupRef(name);
+            Data = new MetaGroup(name);
         }
         public MetaGroupAttribute(params string[] path)
         {
-            Data = new MetaGroupRef(string.Join("/", path));
+            Data = new MetaGroup(string.Join("/", path));
         }
     }
-    public class MetaGroupRef
+    public class MetaGroup
     {
-        public static readonly MetaGroupRef Empty = new MetaGroupRef("");
+        public static readonly MetaGroup Empty = new MetaGroup("");
+        private static string pattern = @"Module(?=/)";
+        private static char[] separatpor = new char[] { '/' };
 
         public readonly string Name;
         private string[] path = null;
-        private static string pattern = @"Module(?=/)";
-        private static char[] separatpor = new char[] { '/' };
         public IReadOnlyCollection<string> Splited
         {
             get
@@ -39,7 +40,7 @@ namespace DCFApixels.DragonECS
                 return path;
             }
         }
-        public MetaGroupRef(string name)
+        public MetaGroup(string name)
         {
             if (string.IsNullOrEmpty(name))
             {
@@ -53,32 +54,6 @@ namespace DCFApixels.DragonECS
             }
             Name = Regex.Replace(name, pattern, ""); ;
         }
-    }
-
-    public readonly struct MetaGroup
-    {
-        public static readonly MetaGroup Empty = new MetaGroup(MetaGroupRef.Empty);
-        private readonly MetaGroupRef _source;
-        public string Name
-        {
-            get { return _source.Name; }
-        }
-        public IReadOnlyCollection<string> Splited
-        {
-            get { return _source.Splited; }
-        }
-        public bool IsNull
-        {
-            get { return _source == null; }
-        }
-        public MetaGroup(MetaGroupRef source)
-        {
-            _source = source;
-        }
-
-        public static implicit operator MetaGroup(MetaGroupRef group)
-        {
-            return new MetaGroup(group);
-        }
+        public override string ToString() { return Name; }
     }
 }
diff --git a/src/EcsPipeline.cs b/src/EcsPipeline.cs
index 5b06af9..91e0068 100644
--- a/src/EcsPipeline.cs
+++ b/src/EcsPipeline.cs
@@ -550,11 +550,11 @@ namespace DCFApixels.DragonECS
         internal class DebuggerProxy
         {
             private EcsProcessRaw _process;
-            public IEnumerable<TypeMeta> Systems
+            public IEnumerable<IEcsProcess> Systems
             {
                 get
                 {
-                    return _process._systems.Cast<IEcsProcess>().Select(o => o.GetMeta()).ToArray();
+                    return _process._systems.Cast<IEcsProcess>().ToArray();
                 }
             }
             public int Count
@@ -652,37 +652,22 @@ namespace DCFApixels.DragonECS
         internal class DebuggerProxy
         {
             private EcsProcess<TProcess> _process;
-            public IEnumerable<SystemInfoWrapper> Systems
+            public IEnumerable<IEcsProcess> Systems
             {
                 get
                 {
-                    return _process._systems.Select(o => new SystemInfoWrapper(o)).ToArray();
+                    return _process._systems.Cast<IEcsProcess>().ToArray();
                 }
             }
             public int Count
             {
                 get { return _process.Length; }
             }
-            public TypeMeta __META { get { return typeof(TProcess).ToMeta(); } }
             public DebuggerProxy(EcsProcess<TProcess> process)
             {
                 _process = process;
             }
 
-            public readonly struct SystemInfoWrapper
-            {
-                public readonly TProcess System;
-                public SystemInfoWrapper(TProcess system)
-                {
-                    System = system;
-                }
-                public TypeMeta __META { get { return System.GetMeta(); } }
-                public override string ToString()
-                {
-                    return System.GetMeta().Name;
-                }
-            }
-
         }
         #endregion
     }
diff --git a/src/EcsWorld.cs b/src/EcsWorld.cs
index 39baf86..a4ec473 100644
--- a/src/EcsWorld.cs
+++ b/src/EcsWorld.cs
@@ -28,6 +28,9 @@ namespace DCFApixels.DragonECS
             PoolRecycledComponentsCapacity = poolRecycledComponentsCapacity;
         }
     }
+
+    [MetaColor(MetaColor.DragonRose)]
+    [MetaGroup(EcsConsts.FRAMEWORK_NAME)]
 #if ENABLE_IL2CPP
     [Il2CppSetOption(Option.NullChecks, false)]
     [Il2CppSetOption(Option.ArrayBoundsChecks, false)]
@@ -797,7 +800,6 @@ namespace DCFApixels.DragonECS
             }
             public long Version { get { return _world.Version; } }
             public IEcsPool[] Pools { get { return _world._pools; } }
-            public TypeMeta __META { get { return _world.GetMeta(); } }
             public DebuggerProxy(EcsWorld world)
             {
                 _world = world;