diff --git a/Assets/Scripts/Server/ServerGameLogicJobs.cs b/Assets/Scripts/Server/ServerGameLogicJobs.cs
index c2dcbb6..0e7e03d 100644
--- a/Assets/Scripts/Server/ServerGameLogicJobs.cs
+++ b/Assets/Scripts/Server/ServerGameLogicJobs.cs
@@ -22,6 +22,20 @@ namespace ECSTest.Server
             // Debug.LogError($"xxxx2222 CannonData id: {componentId2}");
         }
     }
+    
+    [BurstCompile]
+    public struct GetDeferred : IJob
+    {
+        public World world;
+
+        public void Execute()
+        {
+            // var componentId = ComponentId<BulletData>.Get();
+            // Debug.LogError($"XXXX bulletData id: {componentId}");
+            // var componentId2 = ComponentId<CannonData>.Get();
+            // Debug.LogError($"xxxx2222 CannonData id: {componentId2}");
+        }
+    }
 
     [BurstCompile]
     public struct SpawnCannonJob : IJob
@@ -33,6 +47,7 @@ namespace ECSTest.Server
         public int maxCount;
         public int spawnCountPerFrame;
         public Rect rect;
+        public int initHealth;
         
         public void Execute()
         {
@@ -49,7 +64,11 @@ namespace ECSTest.Server
                 var velocity = new float2(c, s);
 
                 var entity = database.AddEntity();
-                //TODO
+                ref var cannonData = ref database.GetDataRef<CannonData>(entity);
+                cannonData.position = pos;
+                cannonData.velocity = velocity;
+                cannonData.direction = dir;
+                cannonData.health = initHealth;
             }
         }
     }
diff --git a/Assets/Scripts/Server/ServerMain.cs b/Assets/Scripts/Server/ServerMain.cs
index 65d9d37..8124c35 100644
--- a/Assets/Scripts/Server/ServerMain.cs
+++ b/Assets/Scripts/Server/ServerMain.cs
@@ -58,11 +58,6 @@ namespace ECSTest.Server
 
         void Update()
         {
-            var componentId = ComponentId<BulletData>.Get();
-            Debug.LogError($"AAAA bulletData id: {componentId}");
-            var componentId2 = ComponentId<CannonData>.Get();
-            Debug.LogError($"AAAA2222 CannonData id: {componentId2}");
-            
             networkJobHandle.Complete();
 
             var concurrentDriver = driver.ToConcurrent();
diff --git a/Assets/Scripts/TestIJobParallelForDefer.cs b/Assets/Scripts/TestIJobParallelForDefer.cs
new file mode 100644
index 0000000..c6b0175
--- /dev/null
+++ b/Assets/Scripts/TestIJobParallelForDefer.cs
@@ -0,0 +1,57 @@
+using Unity.Burst;
+using Unity.Collections;
+using Unity.Jobs;
+using UnityEngine;
+
+namespace ECSTest
+{
+    public class TestIJobParallelForDefer
+    {
+        [BurstCompile]
+        public struct PopulateJob : IJob
+        {
+            public NativeList<int> input;
+            
+            public void Execute()
+            {
+                Debug.Log($"000===== length: {input.Length}");
+                for (int i = 0; i < 100; ++i)
+                    input.Add(i);
+            }
+        }
+        
+        [BurstCompile]
+        public struct StatJob : IJob
+        {
+            public NativeList<int> input;
+            
+            public void Execute()
+            {
+                Debug.Log($"111===== length: {input.Length}");
+            }
+        }
+        
+        
+        [BurstCompile]
+        public struct ParallelJob : IJobParallelForDefer
+        {
+            [ReadOnly] public NativeList<int> input;
+            
+            public void Execute(int index)
+            {
+                Debug.Log($"index: {index}, length: {input.Length}");
+            }
+        }
+
+        public static void Test()
+        {
+            var list = new NativeList<int>(100, Allocator.TempJob);
+            var handle = new PopulateJob() {input = list}.Schedule();
+            handle = new ParallelJob() { input = list }.Schedule(list, 16, handle);
+            handle = new PopulateJob() {input = list}.Schedule(handle);
+            handle = new ParallelJob() { input = list }.Schedule(list, 16, handle);
+            handle.Complete();
+            list.Dispose();
+        }
+    }
+}
\ No newline at end of file
diff --git a/Assets/Scripts/TestIJobParallelForDefer.cs.meta b/Assets/Scripts/TestIJobParallelForDefer.cs.meta
new file mode 100644
index 0000000..fc96495
--- /dev/null
+++ b/Assets/Scripts/TestIJobParallelForDefer.cs.meta
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: c02a6e16e5b349d3b07d50471da304c9
+timeCreated: 1766089200
\ No newline at end of file