diff --git a/.clang-format b/.clang-format
index ed68e746..0b9508ff 100644
--- a/.clang-format
+++ b/.clang-format
@@ -18,7 +18,7 @@ IncludeCategories:
   - Regex:         '^("|<)Python\.h'
     Priority:      50
     CaseSensitive: false
-  - Regex:         '^("|<)(frameobject|structmember)\.h'
+  - Regex:         '^("|<)(frameobject|structmember|listobject)\.h'
     Priority:      50
     SortPriority:  51
     CaseSensitive: false
diff --git a/.clang-tidy b/.clang-tidy
index b0dfbca6..5a1cd5c7 100644
--- a/.clang-tidy
+++ b/.clang-tidy
@@ -2,30 +2,19 @@
 Checks: '
 bugprone-*,
 -bugprone-easily-swappable-parameters,
--bugprone-reserved-identifier,
 clang-analyzer-*,
 clang-diagnostic-*,
 cppcoreguidelines-*,
--cppcoreguidelines-macro-usage,
--cppcoreguidelines-owning-memory,
 -cppcoreguidelines-pro-bounds-array-to-pointer-decay,
 -cppcoreguidelines-pro-bounds-constant-array-index,
 -cppcoreguidelines-pro-bounds-pointer-arithmetic,
--cppcoreguidelines-pro-type-reinterpret-cast,
--cppcoreguidelines-pro-type-static-cast-downcast,
--cppcoreguidelines-pro-type-union-access,
--cppcoreguidelines-pro-type-vararg,
--cppcoreguidelines-special-member-functions,
--cppcoreguidelines-non-private-member-variables-in-classes,
 hicpp-exception-baseclass,
 hicpp-avoid-goto,
 google-*
 misc-unused-alias-decls,
 misc-unused-using-decls,
 modernize-*,
--modernize-concat-nested-namespaces,
 -modernize-use-trailing-return-type,
--modernize-use-nodiscard,
 performance-*,
 readability-*,
 -readability-identifier-length,
@@ -34,7 +23,6 @@ readability-*,
 '
 HeaderFilterRegex: '.*'
 AnalyzeTemporaryDtors: false
-#WarningsAsErrors: '*'
 FormatStyle: file
 CheckOptions:
   - key:             cppcoreguidelines-avoid-do-while.IgnoreMacros
diff --git a/.clangd b/.clangd
new file mode 100644
index 00000000..654de907
--- /dev/null
+++ b/.clangd
@@ -0,0 +1,5 @@
+CompileFlags:
+  Remove: -fabi*
+Diagnostics:
+  UnusedIncludes: Strict
+  MissingIncludes: Strict
diff --git a/.github/workflows/static.yml b/.github/workflows/static.yml
new file mode 100644
index 00000000..c8b0b212
--- /dev/null
+++ b/.github/workflows/static.yml
@@ -0,0 +1,81 @@
+name: static checks on sco
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+  pull_request:
+
+env:
+  DEEPLINK_PATH: /mnt/cache/share/deeplinkci/github/${{ github.repository }}
+  ENV_SOURCE: /mnt/cache/share/platform/env/dipu_latest
+  PROXY_SOURCE: /mnt/cache/share/platform/env/proxy
+  CLANGD_EXEC: /mnt/cache/share/platform/dep/clang-17/bin/clangd
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  static-checks-on-sco:
+    name: static checks on sco
+    runs-on: tps-sco-ci
+    steps:
+      - name: setting up environment
+        run: |
+          set -euxo pipefail
+          set_env() {
+            echo "$1=$2" >> "${GITHUB_ENV}"
+            eval "$1=\"\$2\""
+          }
+          set_env WORKSPACE "${DEEPLINK_PATH}/${{ github.run_number }}"
+          set_env CODE_SOURCE "${WORKSPACE}/source"
+          set_env CLANGD_TIDY_SOURCE "${WORKSPACE}/clangd-tidy"
+          set_env CLANGD_TIDY_LOG "${WORKSPACE}/clang-tidy.log"
+      - name: clean obsolete workspaces & prepare workspace
+        run: |
+          set -euxo pipefail
+          ls -la ${DEEPLINK_PATH}
+          rm -rf ${WORKSPACE}
+          find ${DEEPLINK_PATH} -maxdepth 1 -mmin +480 -type d -exec bash -c 'echo clean "$0" && rm -rf "$0"' {} \;
+          mkdir -p ${WORKSPACE}
+      - name: checkout code
+        run: |
+          set -euo pipefail
+          source ${PROXY_SOURCE}
+          set -x
+          rm -rf ${CODE_SOURCE}
+          if [ -n "${{ github.event.pull_request.head.repo.full_name }}" ] && [[ ! "${{ github.event.pull_request.head.repo.full_name }}" == "${{ github.repository }}" ]]; then
+            git clone ${{ github.event.pull_request.head.repo.clone_url }} ${CODE_SOURCE}
+            cd ${CODE_SOURCE} && git checkout ${{ github.event.pull_request.head.sha }}
+            git remote add mainrepo https://github.com/${{ github.repository }}.git
+            git fetch mainrepo && git merge --no-edit mainrepo/${{ github.base_ref }}
+          else
+            git clone ${{ github.event.repository.clone_url }} ${CODE_SOURCE} && cd ${CODE_SOURCE}
+            if [ "${{ github.event_name }}" == "pull_request" ]; then
+              git checkout ${{ github.event.pull_request.head.sha }} && git merge --no-edit ${{ github.base_ref }}
+            else
+              git checkout ${{ github.sha }}
+            fi
+          fi
+          git submodule update --init --recursive
+      - name: checkout clangd-tidy
+        run: |
+          set -euo pipefail
+          source ${PROXY_SOURCE}
+          set -x
+          git -c advice.detachedHead=false clone --depth 1 -b v0.1.3 https://github.com/lljbash/clangd-tidy.git ${CLANGD_TIDY_SOURCE}
+      - name: build
+        run: |
+          set -euxo pipefail
+          srun --job-name=${GITHUB_JOB} bash -c "source ${ENV_SOURCE} && set -euxo pipefail && cd ${CODE_SOURCE} && pip install -e . -v -t install"
+      - name: clang-tidy
+        run: |
+          set -euxo pipefail
+          srun --job-name=${GITHUB_JOB} bash -c "source ${ENV_SOURCE} && set -euxo pipefail && cd ${CODE_SOURCE} && pwd && git ls-files csrc | xargs ${CLANGD_TIDY_SOURCE}/clangd-tidy --clangd-executable=${CLANGD_EXEC} --github --git-root=${CODE_SOURCE} -j4 -o ${CLANGD_TIDY_LOG}" || (cat ${CLANGD_TIDY_LOG} && false)
+      - name: cleanup
+        if: always()
+        run: |
+          set -euxo pipefail
+          rm -rf ${CODE_SOURCE}/build/.cache
diff --git a/csrc/diopi_helper.h b/csrc/diopi_helper.h
index eb45398e..9756a0b3 100644
--- a/csrc/diopi_helper.h
+++ b/csrc/diopi_helper.h
@@ -4,20 +4,25 @@
 #define DIOPI_HELPER_H_WTUAZNIC
 
 #include <stdexcept>
+#include <string>
 #include <type_traits>
 #include <utility>
 
+#include <ATen/core/ATen_fwd.h>
 #include <ATen/core/Generator.h>
 #include <ATen/core/TensorBody.h>
+#include <c10/core/DeviceType.h>
 #include <c10/util/Optional.h>
-#include <c10/util/OptionalArrayRef.h>
+
+#include <diopi/diopirt.h>
+#include <diopi/functions.h>
 
 #include <csrc_dipu/base/basedef.h>
 #include <csrc_dipu/diopirt/diopirt_impl.h>
+#include <csrc_dipu/runtime/core/DIPUStream.h>
 #include <csrc_dipu/runtime/device/basedef.h>
 
-namespace dipu {
-namespace dipu_ext {
+namespace dipu::dipu_ext {
 
 namespace type_traits {
 
@@ -121,7 +126,6 @@ void callDiopi(const DiopiFunc& diopi_func, Args&&... args) {
       callDiopiKeepContext(diopi_func, std::forward<Args>(args)...);
 }
 
-}  // namespace dipu_ext
-}  // namespace dipu
+}  // namespace dipu::dipu_ext
 
 #endif /* end of include guard: DIOPI_HELPER_H_WTUAZNIC */
diff --git a/csrc/extensions.cpp b/csrc/extensions.cpp
index 7661c01e..8b4c6389 100644
--- a/csrc/extensions.cpp
+++ b/csrc/extensions.cpp
@@ -2,6 +2,7 @@
 
 #include <cstdint>
 #include <tuple>
+#include <utility>
 #include <vector>
 
 #include <ATen/core/ATen_fwd.h>
@@ -14,7 +15,8 @@
 #include <c10/util/OptionalArrayRef.h>
 #include <torch/csrc/utils/pybind.h>  // IWYU pragma: keep
 
-#include <pybind11/pybind11.h>
+#include <pybind11/cast.h>
+#include <pybind11/detail/common.h>
 
 #include <diopi/functions_ext.h>
 
@@ -23,8 +25,7 @@
 #include "diopi_helper.h"
 #include "pybind_type_cast.h"
 
-namespace dipu {
-namespace dipu_ext {
+namespace dipu::dipu_ext {
 
 namespace {
 
@@ -297,5 +298,4 @@ PYBIND11_MODULE(TORCH_EXTENSION_NAME, m) {
   }
 }
 
-}  // namespace dipu_ext
-}  // namespace dipu
+}  // namespace dipu::dipu_ext
diff --git a/csrc/pybind_type_cast.h b/csrc/pybind_type_cast.h
index 94701d14..6d128981 100644
--- a/csrc/pybind_type_cast.h
+++ b/csrc/pybind_type_cast.h
@@ -5,24 +5,23 @@
 
 #include <vector>
 
-#include <c10/util/ArrayRef.h>
+#include <ATen/core/ATen_fwd.h>
 #include <c10/util/Optional.h>
-#include <c10/util/OptionalArrayRef.h>
-#include <torch/types.h>
 
-#include <pybind11/pybind11.h>
+#include <Python.h>
+#include <listobject.h>
+#include <pybind11/cast.h>
+#include <pybind11/detail/descr.h>
+#include <pybind11/pytypes.h>
 
-namespace dipu {
-namespace dipu_ext {
+namespace dipu::dipu_ext {
 
 using IntArray = std::vector<at::IntArrayRef::value_type>;
 using OptionalIntArray = c10::optional<IntArray>;
 
-}  // namespace dipu_ext
-}  // namespace dipu
+}  // namespace dipu::dipu_ext
 
-namespace pybind11 {
-namespace detail {
+namespace pybind11::detail {
 
 namespace py = pybind11;
 
@@ -44,7 +43,6 @@ struct type_caster<at::OptionalIntArrayRef> {
   }
 };
 
-}  // namespace detail
-}  // namespace pybind11
+}  // namespace pybind11::detail
 
 #endif /* end of include guard: PYBIND_TYPE_CAST_H_PXMGELYW */