diff --git a/lab1/README.md b/lab1/README.md
index 5b2779a5..df0ab9f5 100644
--- a/lab1/README.md
+++ b/lab1/README.md
@@ -2,7 +2,7 @@
 
 ## Introduction
 
-In this lab, you will write unit tests for functions implemented in `main.js`. You can learn how to use classes and functions in it by uncommenting the code in `main.js.` (But remember don't commit them on GitHub)
+In this lab, you will write unit tests for functions implemented in `main.js`. You can learn how to use classes and functions in it by uncommenting the code in it. (But remember don't commit them on GitHub)
 
 ## Requirement
 
diff --git a/lab1/main_test.js b/lab1/main_test.js
index 74a716b4..4b7aa1b1 100644
--- a/lab1/main_test.js
+++ b/lab1/main_test.js
@@ -2,22 +2,31 @@ const test = require('node:test');
 const assert = require('assert');
 const { MyClass, Student } = require('./main');
 
-test("Test MyClass's addStudent", () => {
-    // TODO
-    throw new Error("Test not implemented");
+test("Test MyClass's addStudent", async (t) => {
+    const myClass = new MyClass();
+    const student = new Student();
+    student.setName("王小明");
+    const index = myClass.addStudent(student);
+    assert.strictEqual(index, 0); // 增加學生王小明有成功的話，return index = 0
 });
 
-test("Test MyClass's getStudentById", () => {
-    // TODO
-    throw new Error("Test not implemented");
+test("Test MyClass's getStudentById", async (t) => {
+    const myClass = new MyClass();
+    const student = new Student();
+    student.setName("王小明");
+    myClass.addStudent(student);
+    const retrievedStudent = myClass.getStudentById(0);
+    assert.strictEqual(retrievedStudent.getName(), "王小明"); // 是否能在 index = 0，找到王小明
 });
 
-test("Test Student's setName", () => {
-    // TODO
-    throw new Error("Test not implemented");
+test("Test Student's setName", async (t) => {
+    const student = new Student();
+    student.setName("王小明");
+    assert.strictEqual(student.name, "王小明"); // setName 有沒有在 student 物件成功附加上王小明，這個 name 屬性
 });
 
-test("Test Student's getName", () => {
-    // TODO
-    throw new Error("Test not implemented");
-});
\ No newline at end of file
+test("Test Student's getName", async (t) => {
+    const student = new Student();
+    student.setName("王小明");
+    assert.strictEqual(student.getName(), "王小明"); // getName 方法是否正確的 return 王小明這個名字
+});