diff --git a/README.md b/README.md
index f8f2242..7e60af7 100644
--- a/README.md
+++ b/README.md
@@ -8,8 +8,12 @@ China (region) citizen ID card tool
+
> China (Mainland) ID card package, the data from the national standard `GB/T 2260-2007` (People's Republic of China administrative divisions code standard).
+## Other Language
+- [.NET Rep](https://gitee.com/mick666/identity-card.NET)
+
## Installing
```bash