diff --git a/python_module/CMakeLists.txt b/python_module/CMakeLists.txt
index 3d9dbecb8ab09cf28f1538e748a6ab2cef4a3d7a..1a46edf5e23914d17bba1f27b41a7e2f52fc4f06 100644
--- a/python_module/CMakeLists.txt
+++ b/python_module/CMakeLists.txt
@@ -11,7 +11,11 @@ find_package(NumPy REQUIRED)
 
 find_package(SWIG REQUIRED)
 set(SWIG_SRC src/swig/mgb.i)
-set(CMAKE_SWIG_FLAGS -Wall -threads -py3 -modern -DSWIGWORDSIZE64)
+if (APPLE)
+    set(CMAKE_SWIG_FLAGS -Wall -threads -py3 -modern)
+else()
+    set(CMAKE_SWIG_FLAGS -Wall -threads -py3 -modern -DSWIGWORDSIZE64)
+endif()
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unused-parameter")
 
 file(GLOB_RECURSE OPR_DECL_SRCS "${PROJECT_SOURCE_DIR}/src/**/*.oprdecl")
@@ -66,7 +70,11 @@ set(VERSION_SCRIPT ${CMAKE_CURRENT_SOURCE_DIR}/src/version.ld)
 add_custom_target(version_ld SOURCES ${VERSION_SCRIPT})
 
 set_target_properties(mgb PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/megengine/_internal)
-target_link_libraries(mgb megbrain megdnn -Wl,--version-script=${VERSION_SCRIPT})
+if (APPLE)
+    target_link_libraries(mgb megbrain megdnn)
+else()
+    target_link_libraries(mgb megbrain megdnn -Wl,--version-script=${VERSION_SCRIPT})
+endif()
 target_include_directories(mgb PRIVATE ${PYTHON_INCLUDE_DIRS} src/cpp ${CMAKE_CURRENT_BINARY_DIR} ${NUMPY_INCLUDE_DIR})
 target_link_libraries(mgb ${PYTHON_LIBRARIES})
 
diff --git a/python_module/src/cpp/megbrain_wrap.cpp b/python_module/src/cpp/megbrain_wrap.cpp
index 61795deccbaa67d8f7b6ea4834cbb302bccfb050..9f9becf0f8b973eff3e750bdcae7a2c770243aeb 100644
--- a/python_module/src/cpp/megbrain_wrap.cpp
+++ b/python_module/src/cpp/megbrain_wrap.cpp
@@ -404,7 +404,7 @@ void CompGraphCallbackValueProxy::do_copy() {
     m_copy_event->record();
 }
 
-void CompGraphCallbackValueProxy::sync() {
+void CompGraphCallbackValueProxy::sync() const {
     mgb_assert(!m_use_raw_hv);
     RealTimer t0;
     double next_warn_time = 2, warn_time_delta = 1;
@@ -516,7 +516,7 @@ class AsyncExec::Core {
 
         class Worker final: public AsyncQueueSC<CallbackParam, Worker> {
             public:
-                void process_one_task(CallbackParam &task) {
+                void process_one_task(const CallbackParam &task) {
                     for (auto &tmp_value: task.value) {
                         tmp_value.sync();
                     }
diff --git a/python_module/src/cpp/megbrain_wrap.h b/python_module/src/cpp/megbrain_wrap.h
index e1484e4e14e37af6c3b256c4f01b18ddd264711c..106457ee8ebad55675d780c9631aa56c46c63112 100644
--- a/python_module/src/cpp/megbrain_wrap.h
+++ b/python_module/src/cpp/megbrain_wrap.h
@@ -214,7 +214,7 @@ class CompGraphCallbackValueProxy {
         }
 
         void setup(const mgb::DeviceTensorND &val, bool eager_copy);
-        void sync();
+        void sync() const;
 
         /*!
          * \brief called after python callback returned
diff --git a/python_module/src/cpp/plugin.cpp b/python_module/src/cpp/plugin.cpp
index 389bf791e371abf40c2657189f948d3d5b6086bb..c997d75f7deb7bb195a3618018b2d56f36328f44 100644
--- a/python_module/src/cpp/plugin.cpp
+++ b/python_module/src/cpp/plugin.cpp
@@ -76,8 +76,15 @@ class _FastSignal::Impl {
     std::unordered_map<int, HandlerCallback> m_handler_callbacks;
 
     void worker() {
+#ifdef __APPLE__
+        uint64_t tid;
+        pthread_threadid_np(NULL, &tid);
+        mgb_log("fast signal worker started in thread 0x%zx",
+                static_cast<size_t>(tid));
+#else
         mgb_log("fast signal worker started in thread 0x%zx",
                 static_cast<size_t>(pthread_self()));
+#endif
         mgb::sys::set_thread_name("fastsgl");
         int signum;
         for (; ; ) {
diff --git a/python_module/src/swig/comp_node.i b/python_module/src/swig/comp_node.i
index eb10bc2a023c13e2989961d8f6534d87297e9603..708cd34ff82d2f818a6dc184a6974e478fe874e7 100644
--- a/python_module/src/swig/comp_node.i
+++ b/python_module/src/swig/comp_node.i
@@ -28,7 +28,7 @@ class CompNode {
         static CompNode load(const char* id);
 
         %extend {
-            static std::vector<int> _parse_locator(const std::string &id) const {
+            static std::vector<int> _parse_locator(const std::string &id) {
                 auto logi = CompNode::Locator::parse(id);
                 return {
                     static_cast<int>(logi.type), logi.device, logi.stream,
diff --git a/python_module/src/swig/mgb.i b/python_module/src/swig/mgb.i
index c9c2a950117afc2d88b6ba429e8ab637587ce691..b8bdf5e02ca4d594a2d2a1373c94799c263ddea6 100644
--- a/python_module/src/swig/mgb.i
+++ b/python_module/src/swig/mgb.i
@@ -31,7 +31,16 @@ void _init_bfloat16_types(PyObject *m); // implemented in bfloat16.cpp
 %template(_VectorString) std::vector<std::string>;
 %template(_PairStringSizeT) std::pair<std::string, size_t>;
 %template(_PairSizeTSizeT) std::pair<size_t, size_t>;
-%template(_VectorPairUint64String) std::vector<std::pair<uint64_t, std::string>>;
+/*
+ *
+ * real define uint64_t here, BUT, do not define SWIGWORDSIZE64
+ * at osx env, at this time uint64_t means unsigned long long,
+ * BUT, unsigned long long do not have type_name() method at c++,
+ * when define SWIGWORDSIZE64 at linux env, uint64_t means
+ * unsigned long int, more detail refs stdint.i
+ *
+ */
+%template(_VectorPairUint64String) std::vector<std::pair<unsigned long int, std::string>>;
 
 %pythoncode %{
 import numpy as np