diff --git a/index.ts b/index.ts
index 90d9dc20a0db3797a000370789f586aa0e24b624..178ccdc9ecb04d61269e97c493e6e81e3ef903f6 100644
--- a/index.ts
+++ b/index.ts
@@ -1,5 +1,5 @@
-let name: string = "Alice";
-let age: number = 30;
+let name0: string = "Alice";
+let age: number = '28';
 let isActive: boolean = true;
 
 // 函数参数和返回值的类型注释
@@ -7,6 +7,10 @@ function greet(name: string): string {
   return "Hello, " + name + "!";
 }
 
+const greet0 =(name: string): string=> {
+  return "Hello, " + name + "!";
+}
+
 // 对象类型注释
 let user: { name: string; age: number } = {
   name: "Bob",