diff --git a/CHANGELOG.md b/CHANGELOG.md
index e845302..3f41d31 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+**2023-12-11**
+
+v8.5.0
+
+新增：对象存储，支持归档直读存储
+
+修复：对象存储，批量操作支持自动查询 rs 服务域名
+
+修复：对象存储，上传策略中文件大小、过期时间的属性类型与服务端不一致
+
 **2023-03-28**
 
 v8.4.0
diff --git a/src/Qiniu/Qiniu.csproj b/src/Qiniu/Qiniu.csproj
index e9ebd49..17016b6 100644
--- a/src/Qiniu/Qiniu.csproj
+++ b/src/Qiniu/Qiniu.csproj
@@ -28,7 +28,7 @@
     <PostBuildEvent>
     </PostBuildEvent>
     <ProjectId>Qiniu</ProjectId>
-    <Version>8.4.0</Version>
+    <Version>8.5.0</Version>
     <Authors>Rong Zhou, Qiniu SDK</Authors>
     <Company>Shanghai Qiniu Information Technology Co., Ltd.</Company>
     <Description>Qiniu Resource (Cloud) Storage SDK for C#</Description>
diff --git a/src/Qiniu/QiniuCSharpSDK.cs b/src/Qiniu/QiniuCSharpSDK.cs
index 2e37303..23c8e7b 100644
--- a/src/Qiniu/QiniuCSharpSDK.cs
+++ b/src/Qiniu/QiniuCSharpSDK.cs
@@ -37,6 +37,6 @@ public class QiniuCSharpSDK
     /// <summary>
     /// SDK版本号
     /// </summary>
-    public const string VERSION = "8.4.0";
+    public const string VERSION = "8.5.0";
 
 }
diff --git a/src/QiniuTests/Storage/BucketManagerTests.cs b/src/QiniuTests/Storage/BucketManagerTests.cs
index 0e06367..a22d596 100644
--- a/src/QiniuTests/Storage/BucketManagerTests.cs
+++ b/src/QiniuTests/Storage/BucketManagerTests.cs
@@ -267,9 +267,8 @@ public void SetObjectLifecycleTest()
                 10,
                 20,
                 30,
-                40);
-                // 40,
-                // 15);
+                40,
+                15);
             if (ret.Code != (int)HttpCode.OK)
             {
                 Assert.Fail("deleteAfterDays error: " + ret.ToString());
@@ -281,7 +280,7 @@ public void SetObjectLifecycleTest()
                 Assert.Fail("stat error: " + statRet.ToString());
             }
             Assert.True(statRet.Result.TransitionToIa > 0);
-            // Assert.True(statRet.Result.TransitionToArchiveIr > 0);
+            Assert.True(statRet.Result.TransitionToArchiveIr > 0);
             Assert.True(statRet.Result.TransitionToArchive > 0);
             Assert.True(statRet.Result.TransitionToDeepArchive > 0);
             Assert.True(statRet.Result.Expiration > 0);
@@ -321,9 +320,8 @@ public void SetObjectLifecycleCondTest()
                 10,
                 20,
                 30,
-                40);
-                // 40,
-                // 15);
+                40,
+                15);
             if (ret.Code != (int)HttpCode.OK)
             {
                 Assert.Fail("deleteAfterDays error: " + ret.ToString());