diff --git a/CHANGELOG.md b/CHANGELOG.md
index 77247b6..27aa109 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,19 @@
+**2022-10-26**
+
+v8.3.0
+
+移除：不推荐域名
+
+增加：亚太-首尔 和 华东-浙江2 固定区域
+
+增加：设置存储对象的生命周期 API
+
+优化：分片上传 ctx 超时检测
+
+修复：部分运行环境 Content-Type 请求头不兼容问题（v8.2.0 引入）
+
+修复：分片上传 v2 不允许没有 key 的问题
+
 **2022-06-9**
 
 v8.2.0
diff --git a/src/Qiniu/Http/HttpManager.cs b/src/Qiniu/Http/HttpManager.cs
index b1098f9..000b78c 100644
--- a/src/Qiniu/Http/HttpManager.cs
+++ b/src/Qiniu/Http/HttpManager.cs
@@ -114,7 +114,10 @@ public HttpResult Get(string url, StringDictionary headers, string token, bool b
                 {
                     foreach (string fieldName in headers.Keys)
                     {
-                        wReq.Headers.Add(fieldName, headers[fieldName]);
+                        if (!WebHeaderCollection.IsRestricted(fieldName))
+                        {
+                            wReq.Headers.Add(fieldName, headers[fieldName]);
+                        }
                     }
 
                     if (headers.ContainsKey("Content-Type"))
@@ -264,7 +267,10 @@ public HttpResult Post(string url, StringDictionary headers, string token, bool
                 {
                     foreach (string fieldName in headers.Keys)
                     {
-                        wReq.Headers.Add(fieldName, headers[fieldName]);
+                        if (!WebHeaderCollection.IsRestricted(fieldName))
+                        {
+                            wReq.Headers.Add(fieldName, headers[fieldName]);
+                        }
                     }
 
                     if (headers.ContainsKey("Content-Type"))
@@ -1125,7 +1131,10 @@ public HttpResult PostForm(string url, StringDictionary headers, byte[] data, st
                 {
                     foreach (string fieldName in headers.Keys)
                     {
-                        wReq.Headers.Add(fieldName, headers[fieldName]);
+                        if (!WebHeaderCollection.IsRestricted(fieldName))
+                        {
+                            wReq.Headers.Add(fieldName, headers[fieldName]);
+                        }
                     }
                 }
                 if (!string.IsNullOrEmpty(token))
diff --git a/src/Qiniu/Qiniu.csproj b/src/Qiniu/Qiniu.csproj
index ed0fe7a..c118b1e 100644
--- a/src/Qiniu/Qiniu.csproj
+++ b/src/Qiniu/Qiniu.csproj
@@ -28,7 +28,7 @@
     <PostBuildEvent>
     </PostBuildEvent>
     <ProjectId>Qiniu</ProjectId>
-    <Version>8.2.0</Version>
+    <Version>8.3.0</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 e7f52bc..0e23a00 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 = "8.2.0";
+    public const string VERSION = "8.3.0";
 
 }