diff --git a/README.md b/README.md
index 64047b67..b56085c3 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,3 @@
 # 112-spring-software-testing-and-secure-programming
+
 Labs for NYCU "Software Testing and Secure Programming" course in 112 spring
diff --git a/lab1/main_test.js b/lab1/main_test.js
index 74a716b4..f074b3bf 100644
--- a/lab1/main_test.js
+++ b/lab1/main_test.js
@@ -2,6 +2,8 @@ const test = require('node:test');
 const assert = require('assert');
 const { MyClass, Student } = require('./main');
 
+// Just add a commnet here for demo
+
 test("Test MyClass's addStudent", () => {
     // TODO
     throw new Error("Test not implemented");
@@ -20,4 +22,4 @@ test("Test Student's setName", () => {
 test("Test Student's getName", () => {
     // TODO
     throw new Error("Test not implemented");
-});
\ No newline at end of file
+});
diff --git a/lab1/validate.sh b/lab1/validate.sh
old mode 100644
new mode 100755