diff --git a/src/basic/result-error/panic.md b/src/basic/result-error/panic.md
index 67a77416..c9904844 100644
--- a/src/basic/result-error/panic.md
+++ b/src/basic/result-error/panic.md
@@ -182,4 +182,4 @@ let home: IpAddr = "127.0.0.1".parse().unwrap();
 
 ## 课后练习
 
-> [Rust By Practice](https://zh.practice.rs/result-panic/panic.html)，支持代码在线编辑和运行，并提供详细的[习题解答](https://github.com/sunface/rust-by-practice)。
+> [Rust By Practice](https://zh.practice.rs/result-panic/panic.html)，支持代码在线编辑和运行，并提供详细的[习题解答](https://github.com/sunface/rust-by-practice/blob/master/solutions/result-panic/panic.md)。
diff --git a/src/basic/result-error/result.md b/src/basic/result-error/result.md
index 5d93daba..d10eaae3 100644
--- a/src/basic/result-error/result.md
+++ b/src/basic/result-error/result.md
@@ -388,4 +388,4 @@ let x = try!(function_with_error());
 
 ## 课后练习
 
-> [Rust By Practice](https://zh.practice.rs/result-panic/result.html)，支持代码在线编辑和运行，并提供详细的[习题解答](https://github.com/sunface/rust-by-practice)。
+> [Rust By Practice](https://zh.practice.rs/result-panic/result.html)，支持代码在线编辑和运行，并提供详细的[习题解答](https://github.com/sunface/rust-by-practice/blob/master/solutions/result-panic/result.md)。