diff --git a/.vscode/launch.json b/.vscode/launch.json
index d57a11e..617dc28 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -2,27 +2,17 @@
 // Use IntelliSense to learn about possible attributes.
 // Hover to view descriptions of existing attributes.
 // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
-// {
-// 	"version": "0.2.0",
-// 	"configurations": [
-// 		{
-// 			"name": "Run Extension",
-// 			"type": "extensionHost",
-// 			"request": "launch",
-// 			"args": [
-// 				"--extensionDevelopmentPath=${workspaceFolder}"
-// 			],
-// 			"outFiles": [
-// 				"${workspaceFolder}/out/**/*.js"
-// 			],
-// 			"preLaunchTask": "${defaultBuildTask}"
-// 		}
-// 	]
-// }
-
 {
   "version": "0.2.0",
   "configurations": [
+    {
+      "name": "Run Extension",
+      "type": "extensionHost",
+      "request": "launch",
+      "args": ["--extensionDevelopmentPath=${workspaceFolder}"],
+      "outFiles": ["${workspaceFolder}/out/**/*.js"],
+      "preLaunchTask": "${defaultBuildTask}"
+    },
     {
       "name": "Extension Tests",
       "type": "extensionHost",
diff --git a/src/extension.ts b/src/extension.ts
index 29794fa..002d2b6 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -1,9 +1,8 @@
+import * as path from "path";
 import * as vscode from "vscode";
 import { generateFileNameComment } from "./utils/generateFileNameComment";
 
 export function activate(context: vscode.ExtensionContext) {
-  // YOCO.copyTextWithFilePath
-  // 가장 상단에 `// ${fileName}` 형식의 주석을 추가한 형태로 텍스트를 복사한다.
   const disposable = vscode.commands.registerCommand("YOCO.copyTextWithFilePath", async () => {
     const editor = vscode.window.activeTextEditor;
     if (!editor) {
@@ -13,15 +12,21 @@ export function activate(context: vscode.ExtensionContext) {
     const document = editor.document;
     const selection = editor.selection;
     const text = document.getText(selection);
-
-    // settings의 YOCO.includeFilePath가 true일 경우에만 실행
     const includeFilePath = vscode.workspace
       .getConfiguration("YOCO")
-      .get<boolean>("includeFilePaths", false);
-    const fileIdentifier = includeFilePath
-      ? document.uri.path
-      : document.uri.path.split("/").pop() || "Untitled";
-    const comment = generateFileNameComment(document.languageId, fileIdentifier);
+      .get<boolean>("includeFilePath", false);
+
+    let filePath = document.uri.path;
+    const workspacePath = vscode.workspace.getWorkspaceFolder(document.uri);
+
+    // 설정이 true일 때만 파일 경로를 포함
+    if (includeFilePath && workspacePath) {
+      filePath = path.relative(workspacePath.uri.path, document.uri.path);
+    } else {
+      filePath = document.uri.path.split("/").pop() || "Untitled";
+    }
+
+    const comment = generateFileNameComment(document.languageId, filePath);
 
     await vscode.env.clipboard.writeText(`${comment}\n${text}`);