diff --git a/src/SUMMARY.md b/src/SUMMARY.md
index a74e301..85b03e3 100644
--- a/src/SUMMARY.md
+++ b/src/SUMMARY.md
@@ -1,6 +1,6 @@
 # Summary
 
-- [Rust By Practice](why-exercise.md)
+- [Rust By Practice](about.md)
 - [Variables](variables.md)
 - [Basic Types](basic-types/intro.md)
   - [Numbers](basic-types/numbers.md)
diff --git a/src/why-exercise.md b/src/about.md
similarity index 100%
rename from src/why-exercise.md
rename to src/about.md
diff --git a/zh-CN/src/SUMMARY.md b/zh-CN/src/SUMMARY.md
index a569883..55cf5fe 100644
--- a/zh-CN/src/SUMMARY.md
+++ b/zh-CN/src/SUMMARY.md
@@ -1,6 +1,6 @@
 # Summary
 
-- [关于 pracitce.rs](why-exercise.md)
+- [关于 pracitce.rs](about.md)
 - [变量绑定与解构](variables.md)
 - [基本类型](basic-types/intro.md)
   - [数值类型](basic-types/numbers.md)
diff --git a/zh-CN/src/why-exercise.md b/zh-CN/src/about.md
similarity index 100%
rename from zh-CN/src/why-exercise.md
rename to zh-CN/src/about.md