diff --git a/docs/chapter_data_structure/basic_data_types.md b/docs/chapter_data_structure/basic_data_types.md
index dd59b9c6d..3f32a49c6 100644
--- a/docs/chapter_data_structure/basic_data_types.md
+++ b/docs/chapter_data_structure/basic_data_types.md
@@ -166,13 +166,14 @@
 === "Ruby"
 
     ```ruby title=""
-
+    # Ruby 的列表可以自由存储各种基本数据类型和对象引用
+    data = [0, 0.0, 'a', false, ListNode(0)]
     ```
 
 === "Zig"
 
     ```zig title=""
-    
+
     ```
 
 ??? pythontutor "可视化运行"