diff --git a/chapter2/2.2对战斗机飞行性能进行分析.md b/chapter2/2.2对战斗机飞行性能进行分析.md
index 878c192..895d100 100644
--- a/chapter2/2.2对战斗机飞行性能进行分析.md
+++ b/chapter2/2.2对战斗机飞行性能进行分析.md
@@ -127,13 +127,3 @@ cast(replace(regexp_extract(`最大飞行速度`,'[\\\d,\\\.]+',0),',','') as fl
  <p align="center" > 
 <img  style="border: 2px solid #ddd;padding: 5px; background: #fff;" src="https://www.educoder.net/api/attachments/457571" alt=""  height="100%" width="100%"  />
 </p>
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