https://github.com/eedalong/Apache-IoTDB-Client-CSharp/pull/77#issuecomment-1192133093

Author: maikebing

README.md

@@ -30,25 +30,22 @@ This is the C# client of Apache IoTDB.
 
 Apache IoTDB website: https://iotdb.apache.org
 Apache IoTDB Github: https://github.com/apache/iotdb
- 
 
 ## Installation
 
 ### Install from NuGet Package
 
-We have prepared Nuget Package for C# users who are using `.Net Framework 4.6.1` or higher version. Users can directly install the client through .NET CLI. [The link of our NuGet Package is here](https://www.nuget.org/packages/Apache.IoTDB/). Run the following command in the command line to complete installation
+We have prepared Nuget Package for C# users. Users can directly install the client through .NET CLI. [The link of our NuGet Package is here](https://www.nuget.org/packages/Apache.IoTDB/). Run the following command in the command line to complete installation
 
 ```sh
 dotnet add package Apache.IoTDB
 ```
 
- 
-## Prerequisites
+Note that the `Apache.IoTDB` package only supports `.net 5.0`. If you are using `.net framework 4.x`, please refer to the section [starting from .net framework 4.x](#starting-from-net-framework-4x).
 
-    .NET SDK Version == 5.0 or higher version
-    .Net Framework 4.6.1 or   higher version 
-    .Net Standard 2.0 or 2.1 
+## Prerequisites
 
+    .NET SDK Version == 5.0 
 
 ## How to Use the Client (Quick Start)
 
@@ -57,10 +54,9 @@ Users can refer to the test code in [tests](https://github.com/eedalong/Apache-I
 ## Developer environment requirements for iotdb-client-csharp
 
 ```
-    .NET SDK Version == 5.0 or higher version
-    .Net Framework 4.6.1 or   higher version 
-    .Net Standard 2.0 or 2.1 
-    ApacheThrift >= 0.14.1
+.NET SDK Version == 5.0
+ApacheThrift >= 0.14.1
+NLog >= 4.7.9
 ```
 
 ### OS
@@ -71,4 +67,13 @@ Users can refer to the test code in [tests](https://github.com/eedalong/Apache-I
 ### Command Line Tools
 
 ## Publish your own client on nuget.org
-You can find out how to publish from this [doc](./PUBLISH.md).
+You can find out how to publish from this [doc](./PUBLISH.md).
+
+## Starting from `.net framework 4.x`
+In order to adapt to `.net framework 4.x`, we have packaged a nuget package separately, the package name is [`Apache.IoTDB.framework`](https://www.nuget.org/packages/Apache.IoTDB.framework/). 
+
+You can install it through Package Manager (PM), .NET CLI, etc. For example (.NET CLI):
+
+```sh
+dotnet add package Apache.IoTDB.framework --version 0.12.1.2
+```

README_ZH.md

@@ -39,24 +39,20 @@ Apache IoTDB Github: https://github.com/apache/iotdb
 dotnet add package Apache.IoTDB
 ```
 
- 
-## 环境准备
+请注意，`Apache.IoTDB`这个包仅支持`.net 5.0`。 如果您使用的是`.net framework 4.x`，请参考[从`.net framework 4.x`开始](#从-net-framework-4x-开始)。
 
-    .NET SDK Version == 5.0或更高版本
-    .Net Framework 4.6.1 或更高版本 
-    .Net Standard 2.0 或者 2.1 
+## 环境准备
 
+    .NET SDK Version == 5.0 
 
 ## 如何使用 (快速上手)
 用户可参考[使用样例](https://github.com/eedalong/Apache-IoTDB-Client-CSharp-UserCase)中的测试代码了解各个接口使用方式
 
 
 ## iotdb-client-csharp的开发者环境要求
-    .NET SDK Version == 5.0或更高版本
-    .Net Framework 4.6.1 或更高版本 
-    .Net Standard 2.0 或者 2.1 
+    .NET SDK Version == 5.0
     ApacheThrift >= 0.14.1
- 
+    NLog >= 4.7.9
 
 
 ### 操作系统
@@ -68,3 +64,12 @@ dotnet add package Apache.IoTDB
 
 ## 在 nuget.org 上发布你自己的客户端
 你可以在这个[文档](./PUBLISH.md)中找到如何发布
+
+## 从`.net framework 4.x`开始
+为了适配`.net framework 4.x`，我们单独构建了一个Nuget包，包名是[`Apache.IoTDB.framework`](https://www.nuget.org/packages/Apache.IoTDB.framework/)。
+
+您可以使用PM、.NET CLI等工作来安装它。以.NET CLI为例：
+
+```sh
+dotnet add package Apache.IoTDB.framework --version 0.12.1.2
+```