diff --git a/.github/workflows/convert-to-markdown.yml b/.github/workflows/convert-to-markdown.yml
index 000a0d3..8b76dfb 100644
--- a/.github/workflows/convert-to-markdown.yml
+++ b/.github/workflows/convert-to-markdown.yml
@@ -7,7 +7,9 @@ on:
   pull_request:
     branches:
       - convert-markdown
-
+defaults:
+  run:
+    working-directory: ./convert-to-markdown
 jobs:
   deploy:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/crawling.yml b/.github/workflows/crawling.yml
index 6876a89..586f5c9 100644
--- a/.github/workflows/crawling.yml
+++ b/.github/workflows/crawling.yml
@@ -7,7 +7,9 @@ on:
   pull_request:
     branches:
       - crawling
-
+defaults:
+  run:
+    working-directory: ./crawling
 jobs:
   deploy:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/gpt-api.yml b/.github/workflows/gpt-api.yml
index d697dc7..2eff7ec 100644
--- a/.github/workflows/gpt-api.yml
+++ b/.github/workflows/gpt-api.yml
@@ -7,7 +7,9 @@ on:
   pull_request:
     branches:
       - gpt-api
-
+defaults:
+  run:
+    working-directory: ./gpt-api
 jobs:
   deploy:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/upload-to-github.yml b/.github/workflows/upload-to-github.yml
index d560fb0..28f7229 100644
--- a/.github/workflows/upload-to-github.yml
+++ b/.github/workflows/upload-to-github.yml
@@ -7,7 +7,9 @@ on:
   pull_request:
     branches:
       - upload-to-github
-
+defaults:
+  run:
+    working-directory: ./upload-to-github
 jobs:
   deploy:
     runs-on: ubuntu-latest
@@ -37,7 +39,6 @@ jobs:
         AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
         AWS_REGION: ${{ secrets.AWS_REGION }}
         LAMBDA_FUNCTION_NAME: ${{ secrets.UPLOAD_GITHUB_LAMBDA_FUNCTION_NAME }}
-        AWS_REGION: ${{ secrets.AWS_REGION }}
         S3_BUCKET_NAME: ${{ secrets.S3_BUCKET_NAME }}
         TOKEN_GITHUB: ${{ secrets.TOKEN_GITHUB }}
         OWNER_GITHUB: ${{ secrets.OWNER_GITHUB }}
diff --git a/.github/workflows/upload-to-s3.yml b/.github/workflows/upload-to-s3.yml
index d7c3cb8..6881109 100644
--- a/.github/workflows/upload-to-s3.yml
+++ b/.github/workflows/upload-to-s3.yml
@@ -7,7 +7,9 @@ on:
   pull_request:
     branches:
       - upload-to-s3
-
+defaults:
+  run:
+    working-directory: ./upload-to-s3
 jobs:
   deploy:
     runs-on: ubuntu-latest
diff --git a/upload-to-github/main.go b/upload-to-github/main.go
index ed9b07f..6b5a3b2 100644
--- a/upload-to-github/main.go
+++ b/upload-to-github/main.go
@@ -21,7 +21,6 @@ import (
 	"golang.org/x/oauth2"
 )
 
-// S3Downloader downloads files from S3
 type S3Downloader struct {
 	Client     *s3.Client
 	BucketName string
@@ -40,7 +39,6 @@ func main() {
 	lambda.Start(Handler)
 }
 
-// ListFiles lists all files in a specific S3 path
 func (d *S3Downloader) ListFiles(ctx context.Context, prefix string) ([]string, error) {
 	var files []string
 	paginator := s3.NewListObjectsV2Paginator(d.Client, &s3.ListObjectsV2Input{
@@ -62,7 +60,6 @@ func (d *S3Downloader) ListFiles(ctx context.Context, prefix string) ([]string,
 	return files, nil
 }
 
-// DownloadFile downloads a file from S3
 func (d *S3Downloader) DownloadFile(ctx context.Context, key string) ([]byte, error) {
 	output, err := d.Client.GetObject(ctx, &s3.GetObjectInput{
 		Bucket: aws.String(d.BucketName),
@@ -82,14 +79,12 @@ func (d *S3Downloader) DownloadFile(ctx context.Context, key string) ([]byte, er
 	return buf.Bytes(), nil
 }
 
-// GitHubUploader uploads files to GitHub
 type GitHubUploader struct {
 	Client *github.Client
 	Owner  string
 	Repo   string
 }
 
-// UploadFiles uploads multiple files to GitHub in a single commit
 func (u *GitHubUploader) UploadFiles(ctx context.Context, files map[string][]byte, commitMessage string) error {
 	// Get the reference to the HEAD of the default branch (e.g., main)
 	ref, _, err := u.Client.Git.GetRef(ctx, u.Owner, u.Repo, "heads/main")
@@ -180,6 +175,7 @@ func (u *GitHubUploader) UploadFile(ctx context.Context, path string, content []
 
 	return nil
 }
+
 func Handler(ctx context.Context, request events.APIGatewayProxyRequest) (events.APIGatewayProxyResponse, error) {
 
 	// 1. 환경 변수 불러오기