diff --git a/APIJSON.NET/README.md b/APIJSON.NET/README.md
index f7eea8048bb6bf4685b8dbe8187e997cd3975e74..487401a229877bca31af3ef808d1c1814a893090 100644
--- a/APIJSON.NET/README.md
+++ b/APIJSON.NET/README.md
@@ -2,7 +2,7 @@ APIJSON后端部署 - .net core
 
 1.下载安装sdk:
 
-windows:https://www.microsoft.com/net/download/thank-you/dotnet-sdk-2.1.301-windows-x64-installer
+windows:https://www.microsoft.com/net/download/thank-you/dotnet-sdk-8.0.203-windows-x64-installer
 linux:https://www.microsoft.com/net/download/linux
 macos:https://www.microsoft.com/net/download/macos