diff --git a/README.md b/README.md
index 83f05cc..278511e 100644
--- a/README.md
+++ b/README.md
@@ -37,3 +37,7 @@ const popupController = usePopupController()
 onClick={() => popupController.setMemberInformationPopup(false)}
 onClick={() => popupController.setZipCodePopup(false)}
 ```
+
+# useEffect 정리
+
+- client url pathname 변경시 -> @/components/ui/Header.tsx