diff --git a/06-typescript/02-basic-type-annotations/starter.ts b/06-typescript/02-basic-type-annotations/starter.ts
index 2267730..b3e5b79 100644
--- a/06-typescript/02-basic-type-annotations/starter.ts
+++ b/06-typescript/02-basic-type-annotations/starter.ts
@@ -1,7 +1,10 @@
-let age: number = 18;
+let age: number = 88;
 let userName: string = "Tom";
 let isPaid: boolean = true;
 
 // 任务：
 // 1. 修改上面的值，让它们更像一个学习者资料
 // 2. 输出一句完整信息
+console.log(`姓名：${userName}
+年龄：${age}
+状态：${isPaid}`);
diff --git a/06-typescript/03-array-and-function-types/starter.ts b/06-typescript/03-array-and-function-types/starter.ts
index f17d2a9..68aa3a8 100644
--- a/06-typescript/03-array-and-function-types/starter.ts
+++ b/06-typescript/03-array-and-function-types/starter.ts
@@ -2,9 +2,12 @@ const scoreList: number[] = [82, 90, 95];
 
 function sum(a: number, b: number): number {
   // 返回两个数字之和
-  return 0;
+  return a + b;
 }
 
+
+console.log(scoreList, sum(2, 3));
+
 // 任务：
 // 1. 改写 sum 的返回值
 // 2. 调用 sum
diff --git a/06-typescript/04-interface-object-shape/starter.ts b/06-typescript/04-interface-object-shape/starter.ts
index fa5177d..23b0220 100644
--- a/06-typescript/04-interface-object-shape/starter.ts
+++ b/06-typescript/04-interface-object-shape/starter.ts
@@ -13,3 +13,4 @@ const user: User = {
 // 任务：
 // 1. 把对象内容改成学习者资料
 // 2. 输出 name 和 age
+console.log(user.name, user.age);
diff --git a/06-typescript/05-generic-functions/starter.ts b/06-typescript/05-generic-functions/starter.ts
index 461ae75..ac868a2 100644
--- a/06-typescript/05-generic-functions/starter.ts
+++ b/06-typescript/05-generic-functions/starter.ts
@@ -2,6 +2,9 @@ function getData<T>(data: T): T {
   // 返回 data
   return data;
 }
+const n = getData<number>(100)
+const s = getData("123")
+console.log(n, s);
 
 // 任务：
 // 1. 用 number 调用
diff --git a/06-typescript/06-union-and-optional-props/starter.ts b/06-typescript/06-union-and-optional-props/starter.ts
index e88ff3b..5880ed1 100644
--- a/06-typescript/06-union-and-optional-props/starter.ts
+++ b/06-typescript/06-union-and-optional-props/starter.ts
@@ -4,6 +4,15 @@ interface User {
   name: string;
   age?: number;
 }
+id = "hello"
+const userA: User = {
+  name: "小李",
+  age: 18
+}
+const userB: User = {
+  name: "小柔"
+}
+console.log(userA, userB);
 
 // 任务：
 // 1. 把 id 改成字符串也试一次
diff --git a/06-typescript/07-type-safe-renderer/starter.ts b/06-typescript/07-type-safe-renderer/starter.ts
index cae82dc..4a117f2 100644
--- a/06-typescript/07-type-safe-renderer/starter.ts
+++ b/06-typescript/07-type-safe-renderer/starter.ts
@@ -11,8 +11,12 @@ const courses: Course[] = [
 
 function renderCourseLines(list: Course[]): string[] {
   // 返回渲染后的字符串数组
-  return [];
+  const a = list.map(item => {
+    return item.title
+  })
+  return a;
 }
+console.log(renderCourseLines(courses));
 
 // 任务：
 // 1. 实现 renderCourseLines
diff --git a/06-typescript/08-final-mini-app/starter.ts b/06-typescript/08-final-mini-app/starter.ts
index 1216ff1..f299683 100644
--- a/06-typescript/08-final-mini-app/starter.ts
+++ b/06-typescript/08-final-mini-app/starter.ts
@@ -18,7 +18,9 @@ function pickFirst<T>(list: T[]): T {
 
 function formatStudent(student: Student): string {
   // 返回一段摘要文字
-  return "";
+  return `学号：${student.id}
+  姓名：${student.name}
+  年龄：${student.age?.toFixed()}`;
 }
 
 const student: Student = {
@@ -30,6 +32,8 @@ const student: Student = {
   ],
 };
 
+console.log(formatStudent(student), pickFirst(student.courses));
+
 // 任务：
 // 1. 实现 formatStudent
 // 2. 用 pickFirst 取第一门课程