diff --git a/04 - Array Cardio Day 1/index-SOYAINE.html b/04 - Array Cardio Day 1/index-SOYAINE.html
index 6de312b..7419899 100644
--- a/04 - Array Cardio Day 1/index-SOYAINE.html	
+++ b/04 - Array Cardio Day 1/index-SOYAINE.html	
@@ -113,7 +113,7 @@
 	  
 	  // 下面是我在豆瓣里筛选书名里含有 CSS 的书的代码
 	  // https://book.douban.com/tag/web
-//	  const links = document.querySelectorAll('.subject-list h2 a');
+//	  const links = Array.from(document.querySelectorAll('.subject-list h2 a'));
 //	  const book = links
 //					.map(link => link.title)
 //					.filter(title => title.includes('CSS'));