diff --git a/zh-CN/src/basic-types/functions.md b/zh-CN/src/basic-types/functions.md
index 38d339c..d3f93cb 100644
--- a/zh-CN/src/basic-types/functions.md
+++ b/zh-CN/src/basic-types/functions.md
@@ -90,4 +90,4 @@ fn main() {
 }
 ```
 
-> 你可以在[这里](https://github.com/sunface/rust-by-practice)找到答案(在 solutions 路径下) 
\ No newline at end of file
+> 你可以在[这里](https://github.com/sunface/rust-by-practice/blob/master/solutions/basic-types/functions.md)找到答案(在 solutions 路径下)