diff --git a/.github/workflows/_unit_test_coverage.yml b/.github/workflows/_unit_test_coverage.yml
index 3392feed3..ae160236c 100644
--- a/.github/workflows/_unit_test_coverage.yml
+++ b/.github/workflows/_unit_test_coverage.yml
@@ -175,7 +175,7 @@ jobs:
           bash scripts/coverage_run.sh || TEST_EXIT_CODE=8
           git diff origin/${BASE_REF}..HEAD --unified=0 > diff.txt
           echo "TEST_EXIT_CODE=${TEST_EXIT_CODE}" >> exit_code.env
-          coverage combine coveragedata/
+          coverage combine coveragedata/ || echo "No data to combine"
           coverage xml -o python_coverage_all.xml
           COVERAGE_EXIT_CODE=0
           if [[ "$IS_PR" == "true" ]]; then
@@ -276,12 +276,17 @@ jobs:
     needs: run_tests_with_coverage
     if: always()
     runs-on: ubuntu-latest
+    env:
+      fd_archive_url: ${{ inputs.FASTDEPLOY_ARCHIVE_URL }}
     steps:
       - name: coverage diff file download
         shell: bash
         env:
           diff_cov_file_url: ${{ needs.run_tests_with_coverage.outputs.diff_cov_file_url }}
         run: |
+          wget ${fd_archive_url}
+          tar -xf FastDeploy.tar.gz
+          cd FastDeploy
           if [ -z "${diff_cov_file_url}" ]; then
             echo "No diff coverage file URL provided."
             exit 0
@@ -291,6 +296,9 @@ jobs:
         if: ${{ needs.run_tests_with_coverage.outputs.diff_cov_file_url != null && needs.run_tests_with_coverage.outputs.diff_cov_file_url != '' }}
         uses: codecov/codecov-action@v5
         with:
-          files: ./diff_coverage.xml
+          files: ./FastDeploy/diff_coverage.xml
           name: python diff coverage
           verbose: true
+          disable_search: true
+          commit_parent: false
+          flags: diff
diff --git a/scripts/.coveragerc b/scripts/.coveragerc
index b9a75ee52..13c681034 100644
--- a/scripts/.coveragerc
+++ b/scripts/.coveragerc
@@ -1,4 +1,5 @@
 [run]
+branch = True
 source = fastdeploy
 parallel = True
 concurrency = multiprocessing
@@ -15,3 +16,4 @@ omit =
     */site-packages/*/tests/*
     */site-packages/setuptools/*
     */dist-packages/*
+    */site-packages/*/fastdeploy/model_executor/ops/gpu*
diff --git a/scripts/coverage_run.sh b/scripts/coverage_run.sh
index eab0073d6..ad3b47a06 100644
--- a/scripts/coverage_run.sh
+++ b/scripts/coverage_run.sh
@@ -1,7 +1,11 @@
 #!/bin/bash
 DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 run_path="$DIR/../tests/"
-export PYTEST_INI="$DIR/../tests/pytest.ini"
+export PYTEST_INI="$DIR/../tests/cov_pytest.ini"
+
+export COVERAGE_FILE=${COVERAGE_FILE:-$DIR/../coveragedata/.coverage}
+export COVERAGE_RCFILE=${COVERAGE_RCFILE:-$DIR/../scripts/.coveragerc}
+export COVERAGE_PROCESS_START=${COVERAGE_PROCESS_START:-$DIR/../scripts/.coveragerc}
 cd "$run_path" || exit 1
 
 failed_tests_file="failed_tests.log"
@@ -46,7 +50,7 @@ done
 # 执行 pytest，每个文件单独跑
 ##################################
 # 收集 pytest 文件
-TEST_FILES=$(python -m pytest --collect-only -q -c pytest.ini --disable-warnings | grep -Eo '^.*test_.*\.py' | sort | uniq)
+TEST_FILES=$(python -m pytest --collect-only -q -c ${PYTEST_INI} --disable-warnings | grep -Eo '^.*test_.*\.py' | sort | uniq)
 
 
 failed_pytest=0
@@ -54,7 +58,7 @@ success_pytest=0
 
 for file in $TEST_FILES; do
     echo "Running pytest file: $file"
-    python -m coverage run --parallel-mode -m pytest "$file" -vv -s
+    python -m pytest -c ${PYTEST_INI} --cov-config=${COVERAGE_RCFILE} "$file" -vv -s
     status=$?
     if [ "$status" -ne 0 ]; then
         echo "$file" >> "$failed_tests_file"
diff --git a/tests/pytest.ini b/tests/cov_pytest.ini
similarity index 93%
rename from tests/pytest.ini
rename to tests/cov_pytest.ini
index 49cec43ea..79e84d165 100644
--- a/tests/pytest.ini
+++ b/tests/cov_pytest.ini
@@ -22,6 +22,10 @@ addopts =
     --ignore=operators/test_flash_mask_attn.py
     --ignore=operators/test_w4afp8_gemm.py
     --ignore=operators/test_tree_mask.py
+    --cov=fastdeploy
+    --cov-branch
+    --cov-append
+    --cov-report=
 
 # 输出更详细的结果
 console_output_style = progress