diff --git a/README.md b/README.md
index e68d20d2..a1c03ba4 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # sing-box 网络代理平台的“瑞士军刀”
 
+### https://github.com/SagerNet/sing-box
+
 通用代理平台 The universal proxy platform.
 
 ## 文档 Documentation