diff --git a/.codecov.yml b/.codecov.yml
new file mode 100644
index 000000000..537ce362d
--- /dev/null
+++ b/.codecov.yml
@@ -0,0 +1,24 @@
+# Codecov configuration:
+# - CPU/GPU coverage reports are uploaded with separate flags
+# - Codecov auto-merges them per commit/PR and reports back via status checks
+coverage:
+  status:
+    project:
+      default:
+        target: auto
+        threshold: 1%
+    patch:
+      default:
+        target: auto
+        threshold: 1%
+
+flags:
+  cpu-tests:
+    carryforward: true
+  gpu-tests:
+    carryforward: true
+
+comment:
+  layout: "reach, diff, flags, files"
+  behavior: default
+  require_changes: false
diff --git a/.github/workflows/ci-cpu.yml b/.github/workflows/ci-cpu.yml
new file mode 100644
index 000000000..85656cec9
--- /dev/null
+++ b/.github/workflows/ci-cpu.yml
@@ -0,0 +1,62 @@
+name: tests-cpu
+
+on:
+  pull_request:
+    branches: [ "main" ]
+    types: [ opened, synchronize, reopened ]
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
+
+jobs:
+  # ============ Job: test in cpu ============
+  test-cpu:
+    runs-on: ubuntu-latest
+    timeout-minutes: 60
+
+    # tested in certain python version
+    strategy:
+      matrix:
+        python-version: [ "3.12" ]
+
+    steps:
+      # 1. git clone code
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          submodules: true
+
+      # 2. set up python
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: 'pip'
+
+      # 3. install dependencies
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements-test.txt
+          
+          git clone --branch v4.1.0 https://github.com/princeton-nlp/SWE-bench.git
+          cd SWE-bench
+          pip install -e .
+
+      # 4. Test with pytest
+      - name: Test with pytest
+        run: |
+          pip install pytest pytest-cov pytest-custom_exit_code
+          export PYTHONPATH="${PYTHONPATH}:${GITHUB_WORKSPACE}"
+          pytest tests/uni_agent/ -m="cpu and level0" --suppress-no-test-exit-code --cov=./uni_agent/ --cov-report=xml --cov-report=term
+
+      - name: Upload CPU coverage
+        uses: codecov/codecov-action@v4
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          file: ./coverage.xml
+          flags: cpu-tests
diff --git a/.github/workflows/ci-gpu.yml b/.github/workflows/ci-gpu.yml
new file mode 100644
index 000000000..f8d353045
--- /dev/null
+++ b/.github/workflows/ci-gpu.yml
@@ -0,0 +1,92 @@
+name: tests-gpu
+
+on:
+  pull_request:
+    branches: [ "main" ]
+    types: [ opened, synchronize, reopened ]
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
+
+env:
+  IMAGE: "verl-ci-cn-beijing.cr.volces.com/verlai/verl:vllm018.dev1"
+  DYNAMIC_RUNNER_ENDPOINT: "https://sh6mtrbg8demerkmc1uhk.apigateway-cn-beijing.volceapi.com/runner/create/runner"
+
+jobs:
+  # ============ Job: test in gpu ============
+  setup:
+    runs-on: ubuntu-latest
+    outputs:
+      runner-label: ${{ steps.create-runner.outputs.runner-label }}
+      mlp-task-id: ${{ steps.create-runner.outputs.mlp-task-id }}
+    steps:
+      - id: create-runner
+        uses: volcengine/vemlp-github-runner@v1
+        with:
+          mode: "create"
+          faas-url: "${{ env.DYNAMIC_RUNNER_ENDPOINT }}"
+          mlp-image: "${{ env.IMAGE }}"
+
+  test-gpu:
+    needs: setup
+    runs-on: [ "${{ needs.setup.outputs.runner-label || 'L20x8' }}" ]
+    timeout-minutes: 60
+
+    # tested in certain python version
+    strategy:
+      matrix:
+        python-version: [ "3.12" ]
+
+    steps:
+      # 1. git clone code
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          submodules: true
+
+      # 2. set up python
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: 'pip'
+
+      # 3. install dependencies
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements-test.txt -i https://pypi.org/simple
+
+          git clone --branch v4.1.0 https://github.com/princeton-nlp/SWE-bench.git
+          cd SWE-bench
+          pip install -e .
+
+      # 4. Test with pytest
+      - name: Test with pytest
+        run: |
+          pip install pytest pytest-cov pytest-custom_exit_code
+          export PYTHONPATH="${PYTHONPATH}:${GITHUB_WORKSPACE}"
+          pytest tests/uni_agent/ -m="gpu and level0" --suppress-no-test-exit-code --cov=./uni_agent/ --cov-report=xml --cov-report=term
+
+      - name: Upload GPU coverage
+        uses: codecov/codecov-action@v4
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          file: ./coverage.xml
+          flags: gpu-tests
+
+  cleanup:
+    runs-on: ubuntu-latest
+    needs: [ setup, test-gpu ]
+    if: always()
+    steps:
+      - id: destroy-runner
+        uses: volcengine/vemlp-github-runner@v1
+        with:
+          mode: "destroy"
+          faas-url: "${{ env.DYNAMIC_RUNNER_ENDPOINT }}"
+          mlp-task-id: "${{ needs.setup.outputs.mlp-task-id }}"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e5fe42532..e6c1bf8cd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,66 +1,29 @@
-name: Python Backend CI
-
-on:
-  push:
-    branches: [ "main", "develop" ]
-  pull_request:
-    branches: [ "main" ]
-    types: [ opened, synchronize, reopened ]
-
-permissions:
-  contents: read
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
-
-jobs:
-  test-and-build:
-    runs-on: ubuntu-latest
-    timeout-minutes: 60
-
-    # tested in multi python version
-    strategy:
-      matrix:
-        python-version: [ "3.11", "3.12" ]
-
-    steps:
-      # 1. git clone code
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: true
-
-      # 2. set up python
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
-        with:
-          python-version: ${{ matrix.python-version }}
-          cache: 'pip'
-
-      # 3. install dependencies
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install -r requirements-test.txt
-          
-          git clone --branch v4.1.0 https://github.com/princeton-nlp/SWE-bench.git
-          cd SWE-bench
-          pip install -e .
-
-      # 4. Test with pytest
-      - name: Test with pytest
-        run: |
-          pip install pytest pytest-cov
-          export PYTHONPATH="${PYTHONPATH}:${GITHUB_WORKSPACE}"
-          pytest tests/uni_agent/ -m="cpu and level0" --cov=./uni_agent/ --cov-report=xml --cov-report=term
-
-      # 5. Upload coverage to Codecov
-      - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v4
-        with:
-          token: ${{ secrets.CODECOV_TOKEN }}
-          file: ./coverage.xml
-          flags: unittests
-          name: codecov-umbrella
-          fail_ci_if_error: false
+# This file is used for old workflow, which changes name, to pass required tests.
+# The file will be removed lately.
+name: Python Backend CI
+
+on:
+  pull_request:
+    branches: [ "main" ]
+    types: [ opened, synchronize, reopened ]
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
+
+jobs:
+  test-and-build:
+    runs-on: ubuntu-latest
+    timeout-minutes: 60
+
+    # tested in multi python version
+    strategy:
+      matrix:
+        python-version: [ "3.11", "3.12" ]
+
+    steps:
+      - name: info
+        run: echo "deprecation workflow, will be removed lately"