# YelpCamp: UI Improvements
# [Lecture] Refactoring Middleware
# [Lecture] Flash Messages: Installation
# [Lecture] Note about Flash Messages
如果必須按下兩次的註冊按鍵時才有閃動的文字出現，請參考 Udemy | Need to click twice on sign up button for flash message to appear 這篇的回答進行處理。
# [Lecture] Flash Messages: Adding Bootstrap
# [Lecture] Flash Messages: Helpful Errors
# [Lecture] Note about error handling
# [Lecture] Landing Page Refactor - Part One
# [Lecture] Landing Page Refactor - Part Two
# [Lecture] Dynamic Price Feature
# [Lecture] Note about further YelpCamp improvements
助教對 YelpCamp 進行了重構，代碼放置在 GitHub | nax3t/yelp-camp-refactored 倉庫中，這一版本中添加了以下內容：