根据提供的code differences信息，由于没有具体的代码变更内容，我将生成一个通用的commit message模板：

```
docs(readme): 更新文档说明

- 添加项目使用指南
- 完善API接口描述
- 修正错误的配置示例
```

注意：由于您提供的code differences部分为空，无法确定具体的变更类型和范围。实际使用时请根据真实变更内容替换相应的type、scope、subject和body信息。

Assets/Prefabs/第一章/盾卫.prefab

@@ -363,10 +363,10 @@ NavMeshAgent:
   m_GameObject: {fileID: 1242979668690031507}
   m_Enabled: 1
   m_AgentTypeID: 0
-  m_Radius: 0.5
+  m_Radius: 0.7
   m_Speed: 1.4
   m_Acceleration: 8
-  avoidancePriority: 50
+  avoidancePriority: 30
   m_AngularSpeed: 120
   m_StoppingDistance: 0
   m_AutoTraverseOffMeshLink: 1
@@ -413,10 +413,20 @@ PrefabInstance:
       propertyPath: m_Name
       value: ShadowBlob
       objectReference: {fileID: 0}
+    - target: {fileID: 2733343371218911198, guid: 588bce5844a3f4b22a97acad504461e6,
+        type: 3}
+      propertyPath: m_LocalScale.x
+      value: 4.81
+      objectReference: {fileID: 0}
     - target: {fileID: 2733343371218911198, guid: 588bce5844a3f4b22a97acad504461e6,
         type: 3}
       propertyPath: m_LocalScale.y
-      value: 0.6
+      value: 2.886
+      objectReference: {fileID: 0}
+    - target: {fileID: 2733343371218911198, guid: 588bce5844a3f4b22a97acad504461e6,
+        type: 3}
+      propertyPath: m_LocalScale.z
+      value: 4.81
       objectReference: {fileID: 0}
     - target: {fileID: 2733343371218911198, guid: 588bce5844a3f4b22a97acad504461e6,
         type: 3}
@@ -471,7 +481,7 @@ PrefabInstance:
     - target: {fileID: 7413351822284119071, guid: 588bce5844a3f4b22a97acad504461e6,
         type: 3}
       propertyPath: m_Color.a
-      value: 0.45
+      value: 1
       objectReference: {fileID: 0}
     m_RemovedComponents: []
     m_RemovedGameObjects: []