diff --git a/README.md b/README.md
index 632850f..fb182b0 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,8 @@ curl -O https://y-bi.top/setup.sh && sudo chmod +x setup.sh && sudo ./setup.sh
 
 Download setup file: [https://y-bi.top/setup.exe](https://y-bi.top/setup.exe)
 
-Minimum system support for Windows XP, Require .NET Framework 4.0.
+Reluctantly support for Windows XP, require .NET Framework 4.0, limited support only, please upgrade the operating system as soon.
+
+Minimum system support for Windows 7 or Windows Server 2008 R2. Node.js no longer supports the old operating system.
 
 For security, it is recommended to open tls1.2, enable Transport Layer Security (TLS) 1.2 [https://github.com/TheLevelUp/pos-tls-patcher](https://github.com/TheLevelUp/pos-tls-patcher).