diff --git a/Assignment1.md b/Assignment1.md
index 4f7390f..79ff6f2 100644
--- a/Assignment1.md
+++ b/Assignment1.md
@@ -130,5 +130,5 @@ Shell是一个应用程序，接收从键盘输入的命令，并传递给操作
 
 ### `**************Q1：上传model.py，打印文件中定义的所有函数，截图包含命令和打印内容**************`
 
-![#f03c15](https://via.placeholder.com/15/f03c15/000000?text=+) `#f03c15`
+![#fffffff](https://via.placeholder.com/15/f03c15/000000?text=+) `#f03c15`
 ![#c5f015](https://via.placeholder.com/15/c5f015/000000?text=+) `#c5f015`