diff --git a/src/appendix-00.md b/src/appendix-00.md
index 0c1cb5a..f96f85a 100644
--- a/src/appendix-00.md
+++ b/src/appendix-00.md
@@ -1,6 +1,6 @@
 # 附录
 
-> [appendix-00.md](https://github.com/rust-lang/book/blob/master/src/appendix-00.md)
+> [appendix-00.md](https://github.com/rust-lang/book/blob/main/src/appendix-00.md)
 > <br>
 > commit 1fedfc4b96c2017f64ecfcf41a0a07e2e815f24f