Updated files

EssOS/技术笔记.md

@@ -146,3 +146,8 @@ public class JavaCollectionExample2 {
 5的倍数: [5, 10, 15, 20]
 ```
 
+---
+
+项目代码地址资料：
+
+![EduAdminSys](https://github.com/holysword02/EducationManagementSystem/tree/main)