diff --git a/Dots101/Jobs101/Assets/Settings/UniversalRenderPipelineGlobalSettings.asset b/Dots101/Jobs101/Assets/Settings/UniversalRenderPipelineGlobalSettings.asset
index a6de765e2..374c3d7b8 100644
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+++ b/Dots101/Jobs101/Assets/Settings/UniversalRenderPipelineGlobalSettings.asset
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         m_AutodeskInteractiveMasked: {fileID: 4800000, guid: 80aa867ac363ac043847b06ad71604cd, type: 3}
+        m_TerrainDetailLit: {fileID: 4800000, guid: f6783ab646d374f94b199774402a5144, type: 3}
+        m_TerrainDetailGrassBillboard: {fileID: 4800000, guid: 29868e73b638e48ca99a19ea58c48d90, type: 3}
+        m_TerrainDetailGrass: {fileID: 4800000, guid: e507fdfead5ca47e8b9a768b51c291a1, type: 3}
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diff --git a/Dots101/Jobs101/Assets/_MJ.meta b/Dots101/Jobs101/Assets/_MJ.meta
new file mode 100644
index 000000000..bdaae009b
--- /dev/null
+++ b/Dots101/Jobs101/Assets/_MJ.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
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+folderAsset: yes
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+  externalObjects: {}
+  userData: 
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+  assetBundleVariant: 
diff --git a/Dots101/Jobs101/Assets/_MJ/Step2.meta b/Dots101/Jobs101/Assets/_MJ/Step2.meta
new file mode 100644
index 000000000..792cf2967
--- /dev/null
+++ b/Dots101/Jobs101/Assets/_MJ/Step2.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 0c8726470e515494598494c20542dd0b
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
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diff --git a/Dots101/Jobs101/Assets/_MJ/Step2/FindNearest.cs b/Dots101/Jobs101/Assets/_MJ/Step2/FindNearest.cs
new file mode 100644
index 000000000..bda0ab62f
--- /dev/null
+++ b/Dots101/Jobs101/Assets/_MJ/Step2/FindNearest.cs
@@ -0,0 +1,66 @@
+using Unity.Collections;
+using Unity.Jobs;
+using Unity.Mathematics;
+using UnityEngine;
+
+namespace MJ.Step2
+{
+    public class FindNearest : MonoBehaviour
+    {
+        NativeArray<float3> SeekerPositions;
+        NativeArray<float3> TargetPositions;
+        NativeArray<float3> NearestTargetPositions;
+
+        private Spawner spawner;
+
+        public void Start()
+        {
+            spawner = Object.FindFirstObjectByType<Spawner>();
+            if (spawner == null) return;
+
+            // 使用Persistent分配器创建NativeArray，因为它们需要在整个程序运行期间存在
+            TargetPositions = new NativeArray<float3>(spawner.NumTargets, Allocator.Persistent);
+            SeekerPositions = new NativeArray<float3>(spawner.NumSeekers, Allocator.Persistent);
+            NearestTargetPositions = new NativeArray<float3>(spawner.NumSeekers, Allocator.Persistent);
+        }        
+
+        // 重要：必须在对象销毁时释放NativeArray的内存
+        public void OnDestroy()
+        {
+            if (TargetPositions.IsCreated) TargetPositions.Dispose();
+            if (SeekerPositions.IsCreated) SeekerPositions.Dispose();
+            if (NearestTargetPositions.IsCreated) NearestTargetPositions.Dispose();
+        }
+
+        public void Update()
+        {
+            if (spawner == null) return;
+
+            // 将目标位置复制到NativeArray
+            for (int i = 0; i < TargetPositions.Length; i++)
+            {
+                TargetPositions[i] = Spawner.TargetTransforms[i].localPosition;
+            }
+
+            // 将搜索者位置复制到NativeArray
+            for (int i = 0; i < SeekerPositions.Length; i++)
+            {
+                SeekerPositions[i] = Spawner.SeekerTransforms[i].localPosition;
+            }
+
+            var job = new FindNearestJob
+            {
+                SeekerPositions = SeekerPositions,
+                TargetPositions = TargetPositions,
+                NearestTargetPositions = NearestTargetPositions
+            };
+            var jobHandle = job.Schedule();
+            jobHandle.Complete();
+            // 绘制调试线显示每个搜索者到最近目标的连线
+            for (int i = 0; i < SeekerPositions.Length; i++)
+            {
+                Debug.DrawLine(SeekerPositions[i], NearestTargetPositions[i]);
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Dots101/Jobs101/Assets/_MJ/Step2/FindNearest.cs.meta b/Dots101/Jobs101/Assets/_MJ/Step2/FindNearest.cs.meta
new file mode 100644
index 000000000..8b3585748
--- /dev/null
+++ b/Dots101/Jobs101/Assets/_MJ/Step2/FindNearest.cs.meta
@@ -0,0 +1,2 @@
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\ No newline at end of file
diff --git a/Dots101/Jobs101/Assets/_MJ/Step2/FindNearestJob.cs b/Dots101/Jobs101/Assets/_MJ/Step2/FindNearestJob.cs
new file mode 100644
index 000000000..6a312e72c
--- /dev/null
+++ b/Dots101/Jobs101/Assets/_MJ/Step2/FindNearestJob.cs
@@ -0,0 +1,44 @@
+using Unity.Burst;
+using Unity.Collections;
+using Unity.Jobs;
+using Unity.Mathematics;
+using UnityEngine;
+
+namespace MJ.Step2
+{
+    [BurstCompile]
+    public struct FindNearestJob : IJob
+    {
+        // 只读字段，标记为ReadOnly以允许潜在的并行优化
+        [ReadOnly] public NativeArray<float3> TargetPositions;
+        [ReadOnly] public NativeArray<float3> SeekerPositions;
+
+        // 输出结果数组
+        public NativeArray<float3> NearestTargetPositions;
+
+        public void Execute()
+        {
+            //对每个搜索者，计算到所有目标的距离并找出最近的
+            for(int i = 0; i < SeekerPositions.Length; i++)
+            {
+                float3 seekerPos = SeekerPositions[i];
+                float nearestDist = float.MaxValue;
+                float3 nearestTargetPos = float3.zero;
+                
+                // 遍历所有目标，计算距离并更新最近的目标
+                for(int j = 0; j < TargetPositions.Length; j++)
+                {
+                    float3 targetPos = TargetPositions[j];
+                    float dist = math.distance(seekerPos, targetPos);
+                    if(dist < nearestDist)
+                    {
+                        nearestDist = dist;
+                        nearestTargetPos = targetPos;
+                    }
+                }
+                // 将最近的目标位置写入输出数组
+                NearestTargetPositions[i] = nearestTargetPos;
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Dots101/Jobs101/Assets/_MJ/Step2/FindNearestJob.cs.meta b/Dots101/Jobs101/Assets/_MJ/Step2/FindNearestJob.cs.meta
new file mode 100644
index 000000000..5cc06180b
--- /dev/null
+++ b/Dots101/Jobs101/Assets/_MJ/Step2/FindNearestJob.cs.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 30cadd0774297df48898b5fcc8b56049
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Dots101/Jobs101/Assets/_MJ/Step2/Spawner.cs b/Dots101/Jobs101/Assets/_MJ/Step2/Spawner.cs
new file mode 100644
index 000000000..e7b2edd46
--- /dev/null
+++ b/Dots101/Jobs101/Assets/_MJ/Step2/Spawner.cs
@@ -0,0 +1,54 @@
+using UnityEngine;
+
+namespace MJ
+{
+    public class Spawner : MonoBehaviour
+    {
+        // The set of targets is fixed, so rather than 
+        // retrieve the targets every frame, we'll cache 
+        // their transforms in this field.
+        public static Transform[] TargetTransforms;
+        public static Transform[] SeekerTransforms; // 添加这个静态数组
+
+        public GameObject SeekerPrefab;
+        public GameObject TargetPrefab;
+        public int NumSeekers;
+        public int NumTargets;
+        public Vector2 Bounds;
+
+        public void Start()
+        {
+            Random.InitState(123);
+            
+            SeekerTransforms = new Transform[NumSeekers];
+            for (int i = 0; i < NumSeekers; i++)
+            {
+                GameObject go = GameObject.Instantiate(SeekerPrefab);
+
+                //seek通过自己的Update来在一个随机方向进行直线匀速运动
+                var seeker = go.GetComponent<Tutorials.Jobs.Step1.Seeker>();
+                Vector2 dir = Random.insideUnitCircle;
+                seeker.Direction = new Vector3(dir.x, 0, dir.y);
+
+                SeekerTransforms[i] = go.transform; // 保存搜索者的Transform
+                go.transform.localPosition = new Vector3(
+                    Random.Range(0, Bounds.x), 0, Random.Range(0, Bounds.y));
+            }
+
+            TargetTransforms = new Transform[NumTargets];
+            for (int i = 0; i < NumTargets; i++)
+            {
+                GameObject go = GameObject.Instantiate(TargetPrefab);
+
+                //target通过自己的Update来在一个随机方向进行直线匀速运动
+                var target = go.GetComponent<Tutorials.Jobs.Step1.Target>();
+                Vector2 dir = Random.insideUnitCircle;
+                target.Direction = new Vector3(dir.x, 0, dir.y);
+
+                TargetTransforms[i] = go.transform;
+                go.transform.localPosition = new Vector3(
+                    Random.Range(0, Bounds.x), 0, Random.Range(0, Bounds.y));
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Dots101/Jobs101/Assets/_MJ/Step2/Spawner.cs.meta b/Dots101/Jobs101/Assets/_MJ/Step2/Spawner.cs.meta
new file mode 100644
index 000000000..ac838cf20
--- /dev/null
+++ b/Dots101/Jobs101/Assets/_MJ/Step2/Spawner.cs.meta
@@ -0,0 +1,2 @@
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+guid: 75f4f971acc63d842877a3b18bc26024
\ No newline at end of file
diff --git a/Dots101/Jobs101/Assets/_MJ/Step2/Step2_SingleThreadedJob.unity b/Dots101/Jobs101/Assets/_MJ/Step2/Step2_SingleThreadedJob.unity
new file mode 100644
index 000000000..757613f0b
--- /dev/null
+++ b/Dots101/Jobs101/Assets/_MJ/Step2/Step2_SingleThreadedJob.unity
@@ -0,0 +1,510 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!29 &1
+OcclusionCullingSettings:
+  m_ObjectHideFlags: 0
+  serializedVersion: 2
+  m_OcclusionBakeSettings:
+    smallestOccluder: 5
+    smallestHole: 0.25
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diff --git a/Dots101/Jobs101/Assets/_MJ/Step2/Step2_SingleThreadedJob.unity.meta b/Dots101/Jobs101/Assets/_MJ/Step2/Step2_SingleThreadedJob.unity.meta
new file mode 100644
index 000000000..465e03e69
--- /dev/null
+++ b/Dots101/Jobs101/Assets/_MJ/Step2/Step2_SingleThreadedJob.unity.meta
@@ -0,0 +1,7 @@
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diff --git a/Dots101/Jobs101/Assets/_MJ/Step3.meta b/Dots101/Jobs101/Assets/_MJ/Step3.meta
new file mode 100644
index 000000000..9baef441e
--- /dev/null
+++ b/Dots101/Jobs101/Assets/_MJ/Step3.meta
@@ -0,0 +1,8 @@
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diff --git a/Dots101/Jobs101/Assets/_MJ/Step3/FindNearest.cs b/Dots101/Jobs101/Assets/_MJ/Step3/FindNearest.cs
new file mode 100644
index 000000000..63494d116
--- /dev/null
+++ b/Dots101/Jobs101/Assets/_MJ/Step3/FindNearest.cs
@@ -0,0 +1,68 @@
+using Unity.Collections;
+using Unity.Jobs;
+using Unity.Mathematics;
+using UnityEngine;
+using MJ;
+using System.Xml.Schema;
+
+namespace MJ.Step3
+{
+    public class FindNearest : MonoBehaviour
+    {
+        NativeArray<float3> SeekerPositions;
+        NativeArray<float3> TargetPositions;
+        NativeArray<float3> NearestTargetPositions;
+
+        private Spawner spawner;
+
+        public void Start()
+        {
+            spawner = Object.FindFirstObjectByType<Spawner>();
+            if (spawner == null) return;
+
+            // 使用Persistent分配器创建NativeArray，因为它们需要在整个程序运行期间存在
+            TargetPositions = new NativeArray<float3>(spawner.NumTargets, Allocator.Persistent);
+            SeekerPositions = new NativeArray<float3>(spawner.NumSeekers, Allocator.Persistent);
+            NearestTargetPositions = new NativeArray<float3>(spawner.NumSeekers, Allocator.Persistent);
+        }        
+
+        // 重要：必须在对象销毁时释放NativeArray的内存
+        public void OnDestroy()
+        {
+            if (TargetPositions.IsCreated) TargetPositions.Dispose();
+            if (SeekerPositions.IsCreated) SeekerPositions.Dispose();
+            if (NearestTargetPositions.IsCreated) NearestTargetPositions.Dispose();
+        }
+
+        public void Update()
+        {
+            if (spawner == null) return;
+
+            // 将目标位置复制到NativeArray
+            for (int i = 0; i < TargetPositions.Length; i++)
+            {
+                TargetPositions[i] = Spawner.TargetTransforms[i].localPosition;
+            }
+
+            // 将搜索者位置复制到NativeArray
+            for (int i = 0; i < SeekerPositions.Length; i++)
+            {
+                SeekerPositions[i] = Spawner.SeekerTransforms[i].localPosition;
+            }
+
+            var job = new FindNearestJob
+            {
+                SeekerPositions = SeekerPositions,
+                TargetPositions = TargetPositions,
+                NearestTargetPositions = NearestTargetPositions
+            };
+            var jobHandle = job.Schedule(SeekerPositions.Length, 100);
+            jobHandle.Complete();
+            // 绘制调试线显示每个搜索者到最近目标的连线
+            for (int i = 0; i < SeekerPositions.Length; i++)
+            {
+                Debug.DrawLine(SeekerPositions[i], NearestTargetPositions[i]);
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Dots101/Jobs101/Assets/_MJ/Step3/FindNearest.cs.meta b/Dots101/Jobs101/Assets/_MJ/Step3/FindNearest.cs.meta
new file mode 100644
index 000000000..6d520f3b3
--- /dev/null
+++ b/Dots101/Jobs101/Assets/_MJ/Step3/FindNearest.cs.meta
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diff --git a/Dots101/Jobs101/Assets/_MJ/Step3/FindNearestJob.cs b/Dots101/Jobs101/Assets/_MJ/Step3/FindNearestJob.cs
new file mode 100644
index 000000000..7e95c9e54
--- /dev/null
+++ b/Dots101/Jobs101/Assets/_MJ/Step3/FindNearestJob.cs
@@ -0,0 +1,42 @@
+using Unity.Burst;
+using Unity.Collections;
+using Unity.Jobs;
+using Unity.Mathematics;
+using UnityEngine;
+
+namespace MJ.Step3
+{
+    [BurstCompile]
+    public struct FindNearestJob : IJobParallelFor
+    {
+        // 只读字段，标记为ReadOnly以允许潜在的并行优化
+        [ReadOnly] public NativeArray<float3> TargetPositions;
+        [ReadOnly] public NativeArray<float3> SeekerPositions;
+
+        // 输出结果数组
+        public NativeArray<float3> NearestTargetPositions;
+
+        public void Execute(int index)
+        {
+            float3 seekerPos = SeekerPositions[index];
+            float nearestDist = float.MaxValue;
+            float3 nearestTargetPos = float3.zero;
+
+            // 遍历所有目标，计算距离并更新最近的目标
+            for(int j = 0; j < TargetPositions.Length; j++)
+            {
+                float3 targetPos = TargetPositions[j];
+                float dist = math.distance(seekerPos, targetPos);
+                if(dist < nearestDist)
+                {
+                    nearestDist = dist;
+                    nearestTargetPos = targetPos;
+                }
+            }
+
+            //将最近的目标位置写入输出数组
+            NearestTargetPositions[index] = nearestTargetPos;
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/Dots101/Jobs101/Assets/_MJ/Step3/FindNearestJob.cs.meta b/Dots101/Jobs101/Assets/_MJ/Step3/FindNearestJob.cs.meta
new file mode 100644
index 000000000..d34e523dd
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+++ b/Dots101/Jobs101/Assets/_MJ/Step3/FindNearestJob.cs.meta
@@ -0,0 +1,2 @@
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diff --git a/Dots101/Jobs101/Assets/_MJ/Step3/Step3_ParallelJob.unity b/Dots101/Jobs101/Assets/_MJ/Step3/Step3_ParallelJob.unity
new file mode 100644
index 000000000..95f5ef07f
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diff --git a/Dots101/Jobs101/Assets/_MJ/Step3/Step3_ParallelJob.unity.meta b/Dots101/Jobs101/Assets/_MJ/Step3/Step3_ParallelJob.unity.meta
new file mode 100644
index 000000000..d6c7507cb
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diff --git a/Dots101/Jobs101/Packages/manifest.json b/Dots101/Jobs101/Packages/manifest.json
index b14f3a3e0..e2284dec1 100644
--- a/Dots101/Jobs101/Packages/manifest.json
+++ b/Dots101/Jobs101/Packages/manifest.json
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-    "com.unity.test-framework": "1.6.0",
+    "com.unity.test-framework": "1.4.6",
     "com.unity.timeline": "1.8.9",
     "com.unity.ugui": "2.0.0",
     "com.unity.visualscripting": "1.9.9",
diff --git a/Dots101/Jobs101/Packages/packages-lock.json b/Dots101/Jobs101/Packages/packages-lock.json
index f11d74429..61ba30982 100644
--- a/Dots101/Jobs101/Packages/packages-lock.json
+++ b/Dots101/Jobs101/Packages/packages-lock.json
@@ -7,43 +7,43 @@
       "dependencies": {
         "com.unity.modules.ai": "1.0.0"
       },
-      "url": "https://packages.unity.com"
+      "url": "https://packages.unity.cn"
     },
     "com.unity.burst": {
-      "version": "1.8.25",
+      "version": "1.8.17",
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       "source": "registry",
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         "com.unity.mathematics": "1.2.1",
         "com.unity.modules.jsonserialize": "1.0.0"
       },
-      "url": "https://packages.unity.com"
+      "url": "https://packages.unity.cn"
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     "com.unity.collab-proxy": {
       "version": "2.10.1",
       "depth": 0,
       "source": "registry",
       "dependencies": {},
-      "url": "https://packages.unity.com"
+      "url": "https://packages.unity.cn"
     },
     "com.unity.collections": {
-      "version": "2.6.2",
+      "version": "2.4.3",
       "depth": 2,
       "source": "registry",
       "dependencies": {
-        "com.unity.burst": "1.8.23",
-        "com.unity.mathematics": "1.3.2",
-        "com.unity.test-framework": "1.4.6",
-        "com.unity.nuget.mono-cecil": "1.11.5",
+        "com.unity.burst": "1.8.13",
+        "com.unity.nuget.mono-cecil": "1.11.4",
+        "com.unity.test-framework": "1.4.3",
         "com.unity.test-framework.performance": "3.0.3"
       },
-      "url": "https://packages.unity.com"
+      "url": "https://packages.unity.cn"
     },
     "com.unity.ext.nunit": {
       "version": "2.0.5",
       "depth": 1,
-      "source": "builtin",
-      "dependencies": {}
+      "source": "registry",
+      "dependencies": {},
+      "url": "https://packages.unity.cn"
     },
     "com.unity.ide.rider": {
       "version": "3.0.38",
@@ -52,7 +52,7 @@
       "dependencies": {
         "com.unity.ext.nunit": "1.0.6"
       },
-      "url": "https://packages.unity.com"
+      "url": "https://packages.unity.cn"
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     "com.unity.ide.visualstudio": {
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@@ -61,7 +61,7 @@
       "dependencies": {
         "com.unity.test-framework": "1.1.31"
       },
-      "url": "https://packages.unity.com"
+      "url": "https://packages.unity.cn"
     },
     "com.unity.inputsystem": {
       "version": "1.14.2",
@@ -70,14 +70,14 @@
       "dependencies": {
         "com.unity.modules.uielements": "1.0.0"
       },
-      "url": "https://packages.unity.com"
+      "url": "https://packages.unity.cn"
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     "com.unity.mathematics": {
       "version": "1.3.2",
       "depth": 2,
       "source": "registry",
       "dependencies": {},
-      "url": "https://packages.unity.com"
+      "url": "https://packages.unity.cn"
     },
     "com.unity.multiplayer.center": {
       "version": "1.0.0",
@@ -88,14 +88,14 @@
       }
     },
     "com.unity.nuget.mono-cecil": {
-      "version": "1.11.5",
+      "version": "1.11.4",
       "depth": 3,
       "source": "registry",
       "dependencies": {},
-      "url": "https://packages.unity.com"
+      "url": "https://packages.unity.cn"
     },
     "com.unity.render-pipelines.core": {
-      "version": "17.2.0",
+      "version": "17.0.3",
       "depth": 1,
       "source": "builtin",
       "dependencies": {
@@ -114,8 +114,8 @@
       "depth": 0,
       "source": "builtin",
       "dependencies": {
-        "com.unity.render-pipelines.core": "17.2.0",
-        "com.unity.shadergraph": "17.2.0",
+        "com.unity.render-pipelines.core": "17.0.3",
+        "com.unity.shadergraph": "17.0.3",
         "com.unity.render-pipelines.universal-config": "17.0.3"
       }
     },
@@ -138,40 +138,41 @@
       }
     },
     "com.unity.searcher": {
-      "version": "4.9.3",
+      "version": "4.9.2",
       "depth": 2,
       "source": "registry",
       "dependencies": {},
-      "url": "https://packages.unity.com"
+      "url": "https://packages.unity.cn"
     },
     "com.unity.shadergraph": {
-      "version": "17.2.0",
+      "version": "17.0.3",
       "depth": 1,
       "source": "builtin",
       "dependencies": {
-        "com.unity.render-pipelines.core": "17.2.0",
-        "com.unity.searcher": "4.9.3"
+        "com.unity.render-pipelines.core": "17.0.3",
+        "com.unity.searcher": "4.9.2"
       }
     },
     "com.unity.test-framework": {
-      "version": "1.6.0",
+      "version": "1.4.6",
       "depth": 0,
-      "source": "builtin",
+      "source": "registry",
       "dependencies": {
         "com.unity.ext.nunit": "2.0.3",
         "com.unity.modules.imgui": "1.0.0",
         "com.unity.modules.jsonserialize": "1.0.0"
-      }
+      },
+      "url": "https://packages.unity.cn"
     },
     "com.unity.test-framework.performance": {
-      "version": "3.2.0",
+      "version": "3.0.3",
       "depth": 3,
       "source": "registry",
       "dependencies": {
-        "com.unity.test-framework": "1.1.33",
+        "com.unity.test-framework": "1.1.31",
         "com.unity.modules.jsonserialize": "1.0.0"
       },
-      "url": "https://packages.unity.com"
+      "url": "https://packages.unity.cn"
     },
     "com.unity.timeline": {
       "version": "1.8.9",
@@ -183,7 +184,7 @@
         "com.unity.modules.animation": "1.0.0",
         "com.unity.modules.particlesystem": "1.0.0"
       },
-      "url": "https://packages.unity.com"
+      "url": "https://packages.unity.cn"
     },
     "com.unity.ugui": {
       "version": "2.0.0",
@@ -202,7 +203,7 @@
         "com.unity.ugui": "1.0.0",
         "com.unity.modules.jsonserialize": "1.0.0"
       },
-      "url": "https://packages.unity.com"
+      "url": "https://packages.unity.cn"
     },
     "com.unity.modules.accessibility": {
       "version": "1.0.0",
@@ -352,8 +353,7 @@
         "com.unity.modules.ui": "1.0.0",
         "com.unity.modules.imgui": "1.0.0",
         "com.unity.modules.jsonserialize": "1.0.0",
-        "com.unity.modules.hierarchycore": "1.0.0",
-        "com.unity.modules.physics": "1.0.0"
+        "com.unity.modules.hierarchycore": "1.0.0"
       }
     },
     "com.unity.modules.umbra": {
diff --git a/Dots101/Jobs101/ProjectSettings/PackageManagerSettings.asset b/Dots101/Jobs101/ProjectSettings/PackageManagerSettings.asset
index be4a7974e..577f90f7a 100644
--- a/Dots101/Jobs101/ProjectSettings/PackageManagerSettings.asset
+++ b/Dots101/Jobs101/ProjectSettings/PackageManagerSettings.asset
@@ -12,32 +12,26 @@ MonoBehaviour:
   m_Script: {fileID: 13964, guid: 0000000000000000e000000000000000, type: 0}
   m_Name: 
   m_EditorClassIdentifier: 
-  m_EnablePreviewPackages: 0
-  m_EnablePackageDependencies: 0
+  m_EnablePreReleasePackages: 0
   m_AdvancedSettingsExpanded: 1
   m_ScopedRegistriesSettingsExpanded: 1
+  m_SeeAllPackageVersions: 0
+  m_DismissPreviewPackagesInUse: 0
   oneTimeWarningShown: 0
+  oneTimeDeprecatedPopUpShown: 0
   m_Registries:
   - m_Id: main
     m_Name: 
-    m_Url: https://packages.unity.com
+    m_Url: https://packages.unity.cn
     m_Scopes: []
     m_IsDefault: 1
     m_Capabilities: 7
+    m_ConfigSource: 0
   m_UserSelectedRegistryName: 
   m_UserAddingNewScopedRegistry: 0
   m_RegistryInfoDraft:
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-    m_Original:
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-      m_Name: 
-      m_Url: 
-      m_Scopes: []
-      m_IsDefault: 0
-      m_Capabilities: 0
     m_Modified: 0
-    m_Name: 
-    m_Url: 
-    m_Scopes:
-    - 
-    m_SelectedScopeIndex: 0
+    m_ErrorMessage: 
+    m_UserModificationsInstanceId: -890
+    m_OriginalInstanceId: -892
+  m_LoadAssets: 0
diff --git a/Dots101/Jobs101/ProjectSettings/ProjectVersion.txt b/Dots101/Jobs101/ProjectSettings/ProjectVersion.txt
index 1ddb36df4..3e3cc055e 100644
--- a/Dots101/Jobs101/ProjectSettings/ProjectVersion.txt
+++ b/Dots101/Jobs101/ProjectSettings/ProjectVersion.txt
@@ -1,2 +1,2 @@
-m_EditorVersion: 6000.2.10f1
-m_EditorVersionWithRevision: 6000.2.10f1 (d3d30d158480)
+m_EditorVersion: 6000.0.20f1c1
+m_EditorVersionWithRevision: 6000.0.20f1c1 (58bf0fd0fd13)