diff --git a/Docs/AssetBundleBuilder.md b/Docs/AssetBundleBuilder.md
index b13ab8f..868bcac 100644
--- a/Docs/AssetBundleBuilder.md
+++ b/Docs/AssetBundleBuilder.md
@@ -28,9 +28,13 @@
 
   (4) 模拟构建模式：在编辑器下配合EditorSimulateMode运行模式，来模拟真实运行的环境。
 
+- **Build Version**
+
+  构建的资源包版本。
+
 - **Build Package**
 
-  需要构建的资源包名称。
+  构建的资源包名称。
 
 - **Encryption**
 
@@ -70,38 +74,6 @@
 
   点击构建按钮会开始构建流程，构建流程分为多个节点顺序执行，如果某个节点发生错误，会导致构建失败。错误信息可以在控制台查看。
 
-### 资源包加密
-
-编写继承IEncryptionServices接口的加密类。注意：加密类文件需要放置在Editor文件夹里。
-
-````C#
-using System;
-using YooAsset.Editor;
-
-public class GameEncryption : IEncryptionServices
-{
-    /// <summary>
-    /// 检测资源包是否需要加密
-    /// </summary>
-    bool IEncryptionServices.Check(string bundleName)
-    {
-        // 对配置表相关的资源包进行加密
-        return bundleName.Contains("assets/config/");
-    }
-
-    /// <summary>
-    /// 对数据进行加密，并返回加密后的数据
-    /// </summary>
-    byte[] IEncryptionServices.Encrypt(byte[] fileData)
-    {
-        int offset = 32;
-        var temper = new byte[fileData.Length + offset];
-        Buffer.BlockCopy(fileData, 0, temper, offset, fileData.Length);
-        return temper;
-    }
-}
-````
-
 ### 补丁包
 
 构建成功后会在输出目录下找到补丁包文件夹，该文件夹名称为本次构建时指定的资源版本号。
@@ -141,7 +113,6 @@ private static void BuildInternal(BuildTarget buildTarget)
     buildParameters.PackageName = "DefaultPackage";
     buildParameters.PackageVersion = "1.0.0";
     buildParameters.VerifyBuildingResult = true;
-    buildParameters.EncryptionServices = new GameEncryption();
     buildParameters.CompressOption = ECompressOption.LZ4;
     buildParameters.OutputNameStyle = EOutputNameStyle.HashName_Extension;
     buildParameters.CopyBuildinFileOption = ECopyBuildinFileOption.None;
diff --git a/Docs/CodeTutorial2.md b/Docs/CodeTutorial2.md
index 0e8b23c..0233d2b 100644
--- a/Docs/CodeTutorial2.md
+++ b/Docs/CodeTutorial2.md
@@ -126,24 +126,15 @@ private IEnumerator TryUpdateStaticVersion()
     {
         // 如果获取远端资源版本成功，说明当前网络连接并无问题，可以走正常更新流程。
         ......
-        
-        // 注意：在成功下载所有资源之后，我们需要记录当前最新的资源版本号
-        PlayerPrefs.SetString("STATIC_VERSION", packageCRC);
     }
 }
 
-private IEnumerator TryUpdateStaticVersion()
+private IEnumerator WeaklyUpdate()
 {
     // 如果获取远端资源版本失败，我们走弱联网更新模式。
-    // 注意：如果从来没有保存过版本信息，则需要从内部读取StaticVersion.bytes文件的版本信息。
-    string packageVersion = PlayerPrefs.GetString("STATIC_VERSION", string.Empty);
-    if (packageVersion == string.Empty)
-    {
-        packageVersion = LoadStaticVersionFromStreamingAssets();
-    }
-    
-    // 在弱联网情况下更新补丁清单
-    var operation = package.WeaklyUpdateManifestAsync(packageVersion);
+    // 弱联网更新方法，会优先加载沙盒内的清单，如果不存在再加载内置清单。
+    // 在加载清单之后，验证清单内资源内容本地完整性。
+    var operation = package.WeaklyUpdateManifestAsync();
     yield return operation;
     if (operation.Status == EOperationStatus.Succeed)
     {
@@ -151,7 +142,7 @@ private IEnumerator TryUpdateStaticVersion()
     }
     else
     {
-        // 指定版本的资源内容本地并不完整，需要提示玩家更新。
+        // 资源内容本地并不完整，需要提示玩家联网更新。
         ShowMessageBox("请检查本地网络，有新的游戏内容需要更新！");
     }
 }
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