diff --git a/.github/ISSUE_TEMPLATE/test-issue-template.yml b/.github/ISSUE_TEMPLATE/test-issue-template.yml
new file mode 100644
index 0000000..465c4ef
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/test-issue-template.yml
@@ -0,0 +1,22 @@
+name: "💬 Test"
+description: "코드 테스트"
+labels: ["test"]
+body:
+  - type: textarea
+    attributes:
+      label: 📄 설명
+      description: 검증하고자 하는 코드 대한 설명을 작성해 주세요.
+      placeholder: 검증하고자 하는 코드와 검증 방식에 대해 최대한 자세히 작성해 주세요!
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: ✅ 작업할 내용
+      description: 할 일을 체크박스 형태로 작성해주세요.
+      placeholder: 최대한 세분화 해서 적어주세요!
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: 🙋🏻 참고 자료
+      description: 참고 자료가 있다면 작성해 주세요.
diff --git a/.github/workflows/auto-branch.yml b/.github/workflows/auto-branch.yml
deleted file mode 100644
index 4634d2b..0000000
--- a/.github/workflows/auto-branch.yml
+++ /dev/null
@@ -1,17 +0,0 @@
-name: Create Issue Branch
-on:
-  issues:
-    types: [ assigned ]
-  issue_comment:
-    types: [ created ]
-  pull_request:
-    types: [ closed ]
-
-jobs:
-  create_issue_branch_job:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Create Issue Branch
-        uses: robvanderleek/create-issue-branch@main
-        env:
-          GITHUB_TOKEN: ${{ secrets.TOKEN }}
diff --git a/.github/workflows/close-issue.yml b/.github/workflows/close-issue.yml
new file mode 100644
index 0000000..cd25d28
--- /dev/null
+++ b/.github/workflows/close-issue.yml
@@ -0,0 +1,14 @@
+name: Close Issue When PR Merged
+on:
+  pull_request:
+    types: [closed]
+
+jobs:
+  close_issue:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Close linked issue
+        uses: peter-evans/close-issue@v2
+        with:
+          github_token: ${{ secrets.TOKEN }}
+          comment: "✅ PR이 머지되어 해당 이슈를 닫습니다."
diff --git a/.github/workflows/create-branch.yml b/.github/workflows/create-branch.yml
new file mode 100644
index 0000000..443c204
--- /dev/null
+++ b/.github/workflows/create-branch.yml
@@ -0,0 +1,68 @@
+name: Create Issue Branch
+on:
+  issues:
+    types: [assigned]
+  issue_comment:
+    types: [created]
+  pull_request:
+    types: [closed]
+
+jobs:
+  create_issue_branch_job:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0 
+
+      - name: Debug Git repository
+        run: |
+          git remote -v
+          git branch
+          git status
+
+      - name: Determine Branch Name Based on Issue Labels
+        id: detect_branch
+        run: |
+          LABEL=$(echo '${{ toJSON(github.event.issue.labels) }}' | jq -r '.[0].name')
+          if [[ -z "$LABEL" || "$LABEL" == "null" ]]; then
+            LABEL="feature"  # 기본값 설정
+          fi
+          BRANCH_NAME="${LABEL}/issue-${{ github.event.issue.number }}"
+          echo "BRANCH_NAME=$BRANCH_NAME" >> $GITHUB_ENV
+          echo "🔹 Detected branch name: $BRANCH_NAME"
+
+      - name: Create Issue Branch
+        uses: robvanderleek/create-issue-branch@main
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          default-branch: dev
+          branch-name: "${{ env.BRANCH_NAME }}"
+          overwrite-existing: true
+
+      - name: Check if PR already exists
+        id: check_pr
+        run: |
+          if gh pr list --state open --base dev --head "${{ env.BRANCH_NAME }}" --repo ${{ github.repository }} | grep "${{ env.BRANCH_NAME }}"; then
+            echo "pr_exists=true" >> $GITHUB_ENV
+          else
+            echo "pr_exists=false" >> $GITHUB_ENV
+          fi
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Open Pull Request
+        uses: peter-evans/create-pull-request@v5
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          base: dev
+          branch: "${{ env.BRANCH_NAME }}"
+          title: "🚀 Pull Request #${{ github.event.issue.number }}"
+          body: |
+            🔥 **이슈 #${{ github.event.issue.number }}에 대한 PR 생성!** 🔥
+
+            - 이슈 링크: #${{ github.event.issue.number }}
+          delete-branch: false
+          allow-empty-commits: true
diff --git a/.github/workflows/delete-branch.yml b/.github/workflows/delete-branch.yml
new file mode 100644
index 0000000..ad1416a
--- /dev/null
+++ b/.github/workflows/delete-branch.yml
@@ -0,0 +1,14 @@
+name: Delete Merged Branch
+on:
+  pull_request:
+    types: [closed]
+
+jobs:
+  delete_merged_branch:
+    runs-on: ubuntu-latest
+    if: github.event.pull_request.merged == true
+    steps:
+      - name: Delete branch if merged
+        uses: github-actions/delete-merged-branch@v4
+        with:
+          github_token: ${{ secrets.TOKEN }}