diff --git a/实用站点/书籍与文档/文档.md b/实用站点/书籍与文档/文档.md
index 0762ae8..034d2a8 100644
--- a/实用站点/书籍与文档/文档.md
+++ b/实用站点/书籍与文档/文档.md
@@ -1 +1,3 @@
-* https://www.scribd.com
\ No newline at end of file
+* https://www.scribd.com
+
+* https://sci-hub.tw/