diff --git a/docs/编程入门/cpp/AUT1400.en.md b/docs/编程入门/cpp/AUT1400.en.md
index 5d657c32..dd4d1211 100644
--- a/docs/编程入门/cpp/AUT1400.en.md
+++ b/docs/编程入门/cpp/AUT1400.en.md
@@ -5,7 +5,7 @@
 - Affiliated University: Amirkabir University of Technology
 - Prerequisites: None
 - Programming Language: C++
-- Course Difficulty: 🌟🌟🌟🌟🌟
+- Course Difficulty: 🌟🌟🌟
 - Estimated Study Time: 50 hours
 
 This is an accidentally discovered C++ course. The quality of the homework assignments is outstanding, with each being independently structured and simple, complemented by comprehensive unit tests, making it highly suitable for learning C++ programming. The course includes a total of 7 homework assignments, as follows:
diff --git a/docs/编程入门/cpp/AUT1400.md b/docs/编程入门/cpp/AUT1400.md
index 12df35f6..ba32e824 100644
--- a/docs/编程入门/cpp/AUT1400.md
+++ b/docs/编程入门/cpp/AUT1400.md
@@ -5,7 +5,7 @@
 - 所属大学：Amirkabir University of Technology
 - 先修要求：无
 - 编程语言：C++
-- 课程难度：🌟🌟🌟🌟🌟
+- 课程难度：🌟🌟🌟
 - 预计学时：50 小时
 
 无意中发现的一个 C++ 课程。课程的 homework 质量很高，每个 homework 相互独立结构简单，且有完善的单元测试，非常适合用来学习 C++ 的编程。本课程共 7 个 homework，如下所示：