diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
new file mode 100644
index 00000000..655fd883
--- /dev/null
+++ b/.github/workflows/coverage.yml
@@ -0,0 +1,110 @@
+name: Test & Coverage
+
+on:
+  pull_request:
+
+permissions:                # Job-level permissions configuration starts here
+  contents: write           # 'write' access to repository contents
+  pull-requests: write      # 'write' access to pull requests
+
+jobs:
+  check:
+    name: Rust project
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+
+      - name: Cache Cargo's directories
+        uses: actions/cache@v4
+        with:
+          save-always: true
+          key: coverage-${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+          path: |
+            ./target
+            ~/.cargo
+            ~/.cargo/registry
+            ~/.cargo/git
+            ~/.cargo/bin/
+            ~/.cargo/registry/index/
+            ~/.cargo/registry/cache/
+            ~/.cargo/git/db/
+
+      - name: Install cargo-tarpaulin
+        run: cargo install cargo-tarpaulin
+
+      - name: Run cargo-tarpaulin
+        run: |
+          cargo tarpaulin -l --out Html | tail -n 1 | grep -o '[^+][0-9]\+\.[0-9]\+%' > coverage_total_pecent.txt |
+          AVG_COVERAGE=$(cat coverage_total_pecent.txt) |
+          echo "COVERAGE=$AVG_COVERAGE" >> $GITHUB_ENV
+
+      - name: Checkout target repository
+        uses: actions/checkout@v4
+        with:
+          token: ${{ secrets.GH_TOKEN }}
+          repository: myyrakle/html_reports
+          ref: master
+          path: ./html_reports
+          persist-credentials: false # otherwise, the token used is the GITHUB_TOKEN, instead of your personal access token.
+
+      - name: Copy coverage report
+        run: |
+          random_report_name=$(date +%s) | 
+          echo "REPORT_NAME=$random_report_name" >> $GITHUB_ENV |
+          cp ./tarpaulin-report.html ./html_reports/$random_report_name.html | 
+          cd ./html_reports | 
+          ls -lah 
+
+      - name: Init
+        working-directory: html_reports
+        run: |
+          git init |
+          git branch master | 
+          git switch master |
+          echo "init success" 
+
+      - name: Add
+        working-directory: html_reports
+        run: |
+          ls -lah |
+          git add . |
+          echo "add success" 
+
+      - name: Configure git
+        working-directory: html_reports
+        run: |
+          git config --local user.email "sssang97@naver.com" |
+          git config --local user.name "myyrakle" 
+
+      - name: Commit
+        working-directory: html_reports
+        run: |
+          ls -lah |
+          git commit -m "Add report" |
+          echo "commit success"
+
+      # - name: Prepair Push
+      #   run: |  
+      #     echo "GITHUB_TOKEN=${{ secrets.GH_TOKEN }}" >> $GITHUB_ENV 
+      #     git push -f https://myyrakle:${{ secrets.REPORTS_GH_TOKEN }}@github.com/myyrakle/html_reports master
+
+      - name: Push changes
+        uses: ad-m/github-push-action@master
+        with:
+          github_token: ${{ secrets.GH_TOKEN }}
+          repository: myyrakle/html_reports
+          force: true
+          ref: master
+
+      - name: Add comment to PR
+        uses: thollander/actions-comment-pull-request@v1
+        with:
+          GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
+          message: |
+            ✅ **Total Coverage**: ${{ env.COVERAGE }} |
+            ![🔗 Coverage View](https://myyrakle.github.io/html_reports/${{ env.REPORT_NAME }})
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 2370ccbb..4151c3fb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,4 +16,6 @@ Cargo.lock
 
 .rrdb.config
 
-.vscode
\ No newline at end of file
+.vscode
+
+tarpaulin-report.html
\ No newline at end of file