diff --git a/src/about.md b/src/why-exercise.md
similarity index 100%
rename from src/about.md
rename to src/why-exercise.md
diff --git a/zh-CN/src/about.md b/zh-CN/src/why-exercise.md
similarity index 100%
rename from zh-CN/src/about.md
rename to zh-CN/src/why-exercise.md