diff --git a/.nvmrc b/.nvmrc
new file mode 100644
index 0000000..2edeafb
--- /dev/null
+++ b/.nvmrc
@@ -0,0 +1 @@
+20
\ No newline at end of file
diff --git a/server/api/index.ts b/server/api/index.ts
index 1dc743a..8e8a213 100644
--- a/server/api/index.ts
+++ b/server/api/index.ts
@@ -1,21 +1,10 @@
 import {
-    validate,
-    validateOrReject,
-    Contains,
     IsInt,
-    Length,
-    IsEmail,
-    IsFQDN,
-    IsDate,
-    Min,
-    Max,
     IsString,
 } from 'class-validator';
 
 export class BasicQueryDTO {
     @IsInt()
     generalID!: number;
-
-    @IsString()
     command!: string;
 }
\ No newline at end of file
diff --git a/server/index.ts b/server/index.ts
index 0cb6ca1..1dda256 100644
--- a/server/index.ts
+++ b/server/index.ts
@@ -1,11 +1,20 @@
-//import 'reflect-metadata';
-//import { BasicQueryDTO } from './api';
+import 'reflect-metadata';
+import { BasicQueryDTO } from './api/index.js';
+import { validate } from 'class-validator';
 
-export function test(){
+export async function test(){
     console.log("Hello World!");
+
+    const dto = new BasicQueryDTO();
+    dto.command = 'None';
+    dto.generalID = 1.1;
+
+    const result = await validate(dto);
+    console.log(result);
+    //must be integer가 나타나야함
 }
 
 
-test();
+await test();
 
 export default {};
\ No newline at end of file