diff --git a/TNode/Models/NodeData.cs b/TNode/Models/NodeData.cs
index 53a5aef..d9c6bf9 100644
--- a/TNode/Models/NodeData.cs
+++ b/TNode/Models/NodeData.cs
@@ -21,6 +21,12 @@ namespace TNode.Models{
         public string id;
         public string nodeName;
         public bool entryPoint;
+
+
+        public virtual void OnProcess(){
+            
+        }
+        
 // #if UNITY_EDITOR
 //         public Rect rect;
 // #endif
diff --git a/TNode/Runtime/RuntimeGraph.cs b/TNode/Runtime/RuntimeGraph.cs
index 51bc5fa..9388f77 100644
--- a/TNode/Runtime/RuntimeGraph.cs
+++ b/TNode/Runtime/RuntimeGraph.cs
@@ -7,9 +7,16 @@ namespace TNode.Runtime{
     public class RuntimeGraph:MonoBehaviour{
         public GraphData graphData;
         public SortedSet<RuntimeNode> _sortedSet;
-        
-        public void StartProcessNode(ProcessingStrategy strategy){
 
+        public void Start(){
+            //iterate through all nodes and add them to the sorted set
+            foreach (var node in graphData.NodeDictionary.Values){
+                
+            }
+        }
+        
+        public void StartProcessNode(ProcessingStrategy strategy, RuntimeNode entry){
+            
             
         }
         
diff --git a/TNode/Runtime/RuntimeNode.cs b/TNode/Runtime/RuntimeNode.cs
index 1cbef18..2376057 100644
--- a/TNode/Runtime/RuntimeNode.cs
+++ b/TNode/Runtime/RuntimeNode.cs
@@ -6,21 +6,10 @@ using TNode.Models;
 
 namespace TNode.Runtime{
     public abstract class RuntimeNode{
-        public object NodeData;
+        public NodeData NodeData;
         public List<NodeLink> NodeLinks;
         public void ProcessThisNode(){
-            
-        }
-
-    }
-    public class RuntimeNode<T>:RuntimeNode where T:NodeData{
-        public new T NodeData{ get; set; }
-
-        //Links related to runtime node,for fast access.only remember out links
-        public List<NodeLink> NodeLinks;
-
-        public void OnCreate(){
-            RuntimeCache.RuntimeCache.Instance.RegisterRuntimeNode<T>();
+            NodeData.OnProcess();
         }
     }
 }
\ No newline at end of file