diff --git a/README.md b/README.md
index 3069aee8..251a7b61 100644
--- a/README.md
+++ b/README.md
@@ -23,9 +23,9 @@
 ### 1: Download the repo and drop it into folder `Assets`
 ### 2: Add the line below to `Packages/manifest.json`
 
-for version `3.0.1`
+for version `3.0.2`
 ```csharp
-"com.virtuesky.sunflower":"https://github.com/VirtueSky/sunflower.git#3.0.1",
+"com.virtuesky.sunflower":"https://github.com/VirtueSky/sunflower.git#3.0.2",
 ```
 
 ## Includes modules
diff --git a/VirtueSky/ControlPanel/ConstantPackage.cs b/VirtueSky/ControlPanel/ConstantPackage.cs
index eff4620c..218f1a38 100644
--- a/VirtueSky/ControlPanel/ConstantPackage.cs
+++ b/VirtueSky/ControlPanel/ConstantPackage.cs
@@ -2,7 +2,7 @@
 {
     public class ConstantPackage
     {
-        public const string VersionSunflower = "3.0.1";
+        public const string VersionSunflower = "3.0.2";
         public const string PackageNameInAppPurchase = "com.unity.purchasing";
         public const string MaxVersionInAppPurchase = "4.12.2";
         public const string PackageNameNewtonsoftJson = "com.unity.nuget.newtonsoft-json";
diff --git a/VirtueSky/Utils/Editor/UnityPackage/max-sdk.unitypackage b/VirtueSky/Utils/Editor/UnityPackage/max-sdk.unitypackage
index d20217c0..ed88dcc4 100644
Binary files a/VirtueSky/Utils/Editor/UnityPackage/max-sdk.unitypackage and b/VirtueSky/Utils/Editor/UnityPackage/max-sdk.unitypackage differ
diff --git a/VirtueSky/Variables/Runtime/Base_Variable/BaseVariable.cs b/VirtueSky/Variables/Runtime/Base_Variable/BaseVariable.cs
index 13001365..34961d82 100644
--- a/VirtueSky/Variables/Runtime/Base_Variable/BaseVariable.cs
+++ b/VirtueSky/Variables/Runtime/Base_Variable/BaseVariable.cs
@@ -1,6 +1,7 @@
 using System;
 using UnityEditor;
 using UnityEngine;
+using UnityEngine.Serialization;
 using VirtueSky.DataStorage;
 using VirtueSky.Events;
 using VirtueSky.Inspector;
@@ -9,13 +10,21 @@ namespace VirtueSky.Variables
 {
     public class BaseVariable<TType> : BaseEvent<TType>, IVariable<TType>, ISerializationCallbackReceiver, IGuidVariable
     {
-        [ShowIf(nameof(isSetData)), ReadOnly, SerializeField]
-        protected string id;
+        [TitleColor("Id", CustomColor.Gold, CustomColor.Aqua), ShowIf(nameof(isSetData)), SerializeField]
+        private TypeId typeId;
 
-        [Tooltip("Set initial value for scriptable variable"), SerializeField]
+        [ShowIf(nameof(IsShowGuid)), ReadOnly, SerializeField]
+        protected string guid;
+
+        [ShowIf(nameof(IsShowCustomId)), SerializeField]
+        private string customId;
+
+
+        [TitleColor("Init value", CustomColor.Chartreuse, CustomColor.OrangeVariant), Tooltip("Set initial value for scriptable variable"), SerializeField]
         protected TType initializeValue;
 
-        [Tooltip("Set data into dictionary, if not set data then scriptable variable will action as runtime variable"),
+        [TitleColor("Save Data", CustomColor.Tomato, CustomColor.MediumSpringGreen),
+         Tooltip("Set data into dictionary, if not set data then scriptable variable will action as runtime variable"),
          SerializeField]
         protected bool isSetData;
 
@@ -24,7 +33,7 @@ public class BaseVariable<TType> : BaseEvent<TType>, IVariable<TType>, ISerializ
          ShowIf(nameof(isSetData)), SerializeField]
         protected bool isSaveData;
 
-        [Tooltip("Raise event when value is changed"), SerializeField]
+        [TitleColor("Raise event", CustomColor.DeepSkyBlue, CustomColor.Magenta), Tooltip("Raise event when value is changed"), SerializeField]
         protected bool isRaiseEvent;
 
         [NonSerialized] protected TType runtimeValue;
@@ -36,10 +45,22 @@ public class BaseVariable<TType> : BaseEvent<TType>, IVariable<TType>, ISerializ
 
         public string Guid
         {
-            get => id;
-            set => id = value;
+            get => guid;
+            set => guid = value;
+        }
+
+        public string CustomId
+        {
+            get => customId;
+            set => customId = value;
         }
 
+        public string Id => typeId switch
+        {
+            TypeId.Guid => guid,
+            _ => customId,
+        };
+
         private void OnEnable()
         {
 #if UNITY_EDITOR
@@ -49,12 +70,12 @@ private void OnEnable()
 
         public virtual TType Value
         {
-            get => isSetData ? GameData.Get(id, initializeValue) : runtimeValue;
+            get => isSetData ? GameData.Get(Id, initializeValue) : runtimeValue;
             set
             {
                 if (isSetData)
                 {
-                    GameData.Set(id, value);
+                    GameData.Set(Id, value);
                     if (isSaveData)
                     {
                         GameData.Save();
@@ -92,5 +113,14 @@ public override string ToString()
         {
             return Value.ToString();
         }
+
+        private bool IsShowGuid => isSetData && typeId == TypeId.Guid;
+        private bool IsShowCustomId => isSetData && typeId == TypeId.CustomId;
+    }
+
+    public enum TypeId
+    {
+        Guid,
+        CustomId
     }
 }
\ No newline at end of file
diff --git a/VirtueSky/Variables/Runtime/Float_Variable/FloatVariable.cs b/VirtueSky/Variables/Runtime/Float_Variable/FloatVariable.cs
index 0c3aabe5..8c31a364 100644
--- a/VirtueSky/Variables/Runtime/Float_Variable/FloatVariable.cs
+++ b/VirtueSky/Variables/Runtime/Float_Variable/FloatVariable.cs
@@ -42,13 +42,13 @@ public void Add(float value)
 
         public override float Value
         {
-            get => isSetData ? GameData.Get(id, initializeValue) : runtimeValue;
+            get => isSetData ? GameData.Get(Id, initializeValue) : runtimeValue;
             set
             {
                 var clampedValue = IsClamped ? Mathf.Clamp(value, minMax.x, minMax.y) : value;
                 if (isSetData)
                 {
-                    GameData.Set(id, clampedValue);
+                    GameData.Set(Id, clampedValue);
                     if (isSaveData)
                     {
                         GameData.Save();
diff --git a/VirtueSky/Variables/Runtime/Integer_Variable/IntegerVariable.cs b/VirtueSky/Variables/Runtime/Integer_Variable/IntegerVariable.cs
index cff6f18d..932c33f6 100644
--- a/VirtueSky/Variables/Runtime/Integer_Variable/IntegerVariable.cs
+++ b/VirtueSky/Variables/Runtime/Integer_Variable/IntegerVariable.cs
@@ -41,13 +41,13 @@ public void Add(int value)
 
         public override int Value
         {
-            get => isSetData ? GameData.Get(id, initializeValue) : runtimeValue;
+            get => isSetData ? GameData.Get(Id, initializeValue) : runtimeValue;
             set
             {
                 var clampedValue = IsClamped ? Mathf.Clamp(value, minMax.x, minMax.y) : value;
                 if (isSetData)
                 {
-                    GameData.Set(id, clampedValue);
+                    GameData.Set(Id, clampedValue);
                     if (isSaveData)
                     {
                         GameData.Save();
diff --git a/package.json b/package.json
index 64cbbc3c..e8c2ffe2 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "com.virtuesky.sunflower",
   "displayName": "Sunflower",
   "description": "Core ScriptableObject Architecture for building Unity games",
-  "version": "3.0.1",
+  "version": "3.0.2",
   "unity": "2022.3",
   "category": "virtuesky",
   "license": "MIT",