diff --git a/README.md b/README.md
index f1040bf..67c96e7 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,6 @@
 # 7-zip
 
-压缩工具
\ No newline at end of file
+压缩工具
+```
+https://sparanoid.com/lab/7z/
+```
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