diff --git a/src/BaseObj.h b/src/BaseObj.h
index 7ed7c51f6..1d8d6a31f 100644
--- a/src/BaseObj.h
+++ b/src/BaseObj.h
@@ -25,6 +25,10 @@
  * SOFTWARE.
  */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #ifndef _PikaObj_baseObj__H
 #define _PikaObj_baseObj__H
 #include "PikaObj.h"
@@ -36,3 +40,7 @@ PikaObj* New_BaseObj(Args* args);
 void Baseobj_print(PikaObj* self, Args* args);
 
 #endif
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/src/PikaCompiler.h b/src/PikaCompiler.h
index 24a3668dc..ebbb6ad2b 100644
--- a/src/PikaCompiler.h
+++ b/src/PikaCompiler.h
@@ -1,3 +1,7 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #ifndef __PIKA_COMPILER__H
 #define __PIKA_COMPILER__H
 #include "PikaObj.h"
@@ -63,3 +67,6 @@ PIKA_RES pikafs_unpack_files(char* pack_name, char* out_path);
 PIKA_RES pikafs_pack_files(char* pack_name, int file_num, ...);
 
 #endif
+#ifdef __cplusplus
+}
+#endif
diff --git a/src/PikaObj.h b/src/PikaObj.h
index 820df1364..509ee3413 100644
--- a/src/PikaObj.h
+++ b/src/PikaObj.h
@@ -25,6 +25,9 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 #ifndef _Process__H
 #define _Process__H
@@ -664,3 +667,6 @@ int pika_GIL_EXIT(void);
 int pika_GIL_ENTER(void);
 
 #endif
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/src/PikaParser.h b/src/PikaParser.h
index d01a70db2..e49f6d744 100644
--- a/src/PikaParser.h
+++ b/src/PikaParser.h
@@ -24,6 +24,9 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 #ifndef __PIKA_PARSER__H
 #define __PIKA_PARSER__H
@@ -166,3 +169,7 @@ ByteCodeFrame* byteCodeFrame_appendFromAsm(ByteCodeFrame* bf, char* pikaAsm);
 uint16_t TokenStream_getSize(char* tokenStream);
 
 #endif
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/src/PikaPlatform.h b/src/PikaPlatform.h
index 8213d119b..3ce05bce4 100644
--- a/src/PikaPlatform.h
+++ b/src/PikaPlatform.h
@@ -24,6 +24,9 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 /* adapter for old api */
 #include "./pika_adapter_old_api.h"
@@ -295,3 +298,7 @@ void pika_platform_clear(void);
     pika_platform_panic_handle();
 
 #endif
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/src/PikaVM.h b/src/PikaVM.h
index 65fd69c90..6641e3523 100644
--- a/src/PikaVM.h
+++ b/src/PikaVM.h
@@ -24,6 +24,9 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 #ifndef __PIKA_VM__H
 #define __PIKA_VM__H
@@ -371,3 +374,7 @@ typedef struct {
 } VMLocals;
 
 #endif
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/src/PikaVersion.h b/src/PikaVersion.h
index 8aa7229c2..3c4f45400 100644
--- a/src/PikaVersion.h
+++ b/src/PikaVersion.h
@@ -1,5 +1,13 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define PIKA_VERSION_MAJOR       1
 #define PIKA_VERSION_MINOR       12
 #define PIKA_VERSION_MICRO       0
 
 #define PIKA_EDIT_TIME      "2023/03/08 09:54:07"
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/src/TinyObj.h b/src/TinyObj.h
index 85c6ed48a..b7d891ab0 100644
--- a/src/TinyObj.h
+++ b/src/TinyObj.h
@@ -25,8 +25,16 @@
  * SOFTWARE.
  */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #ifndef __TYNYOBJ__H
 #define __TYNYOBJ__H
 #include "PikaObj.h"
 PikaObj* New_TinyObj(Args* args);
 #endif
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/src/__default_filter_msg_def.h b/src/__default_filter_msg_def.h
index bb86e6d01..38a4e32e4 100644
--- a/src/__default_filter_msg_def.h
+++ b/src/__default_filter_msg_def.h
@@ -24,7 +24,6 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-
 #undef add_filter_msg
 #undef add_filter_item
 #undef __add_filter_msg
diff --git a/src/__default_filter_msg_table.h b/src/__default_filter_msg_table.h
index 3f607b666..cf4301696 100644
--- a/src/__default_filter_msg_table.h
+++ b/src/__default_filter_msg_table.h
@@ -71,4 +71,5 @@ add_filter_msg(bye_pika,    "###bye pika", .is_case_insensitive = PIKA_TRUE)
 
 #if defined(__clang__)
 #   pragma clang diagnostic pop
-#endif
\ No newline at end of file
+#endif
+
diff --git a/src/__instruction_table.h b/src/__instruction_table.h
index 0b92630b1..f11396378 100644
--- a/src/__instruction_table.h
+++ b/src/__instruction_table.h
@@ -25,6 +25,7 @@
  * SOFTWARE.
  */
 
+
 #include "__instruction_def.h"
 
 //! just append ins to the end, insert ins would brake the pre-compiled
diff --git a/src/__pika_ooc.h b/src/__pika_ooc.h
index 9fb3f1336..64cd4056f 100644
--- a/src/__pika_ooc.h
+++ b/src/__pika_ooc.h
@@ -26,6 +26,9 @@
  * SOFTWARE.
  */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 #ifndef __PIKA_OOC_H__
 #define __PIKA_OOC_H__
@@ -39,3 +42,7 @@
 #if PIKA_PLOOC_ENABLE
     #include "../pikascript-lib/PLOOC/plooc_class.h"
 #endif
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/src/dataArg.h b/src/dataArg.h
index 1bb4e7ad2..509abee74 100644
--- a/src/dataArg.h
+++ b/src/dataArg.h
@@ -25,6 +25,10 @@
  * SOFTWARE.
  */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #ifndef _arg__H
 #define _arg__H
 
@@ -301,3 +305,7 @@ PIKA_BOOL arg_isEqual(Arg* self, Arg* other);
 Hash hash_time33EndWith(char* str, char end);
 
 #endif
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/src/dataArgs.h b/src/dataArgs.h
index d4d0db1ef..c7b9faeae 100644
--- a/src/dataArgs.h
+++ b/src/dataArgs.h
@@ -25,6 +25,10 @@
  * SOFTWARE.
  */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #ifndef _dataArgs__H
 #define _dataArgs__H
 #include "dataArg.h"
@@ -279,3 +283,7 @@ char* args_cacheStr(Args* self, char* str);
 char* strsFormatArg(Args* out_buffs, char* fmt, Arg* arg);
 
 #endif
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/src/dataLink.h b/src/dataLink.h
index 5f723c3d9..83b52a66c 100644
--- a/src/dataLink.h
+++ b/src/dataLink.h
@@ -25,6 +25,10 @@
  * SOFTWARE.
  */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #ifndef _link2__H
 #define _link2__H
 #include "dataLinkNode.h"
@@ -50,3 +54,7 @@ LinkNode* link_getNode(Link* self, int64_t id);
 int32_t link_getSize(Link* self);
 Link* New_link(void* args);
 #endif
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/src/dataLinkNode.h b/src/dataLinkNode.h
index 41a852adf..0970787d3 100644
--- a/src/dataLinkNode.h
+++ b/src/dataLinkNode.h
@@ -24,7 +24,9 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-
+#ifdef __cplusplus
+extern "C" {
+#endif
 #ifndef _linkNode__H
 #define _linkNode__H
 
@@ -40,3 +42,6 @@ void linkNode_init(LinkNode* self, void* args);
 
 LinkNode* New_linkNode(void* args);
 #endif
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/src/dataMemory.h b/src/dataMemory.h
index 5b81d3b2d..bf6c9b466 100644
--- a/src/dataMemory.h
+++ b/src/dataMemory.h
@@ -24,7 +24,9 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-
+#ifdef __cplusplus
+extern "C" {
+#endif
 #ifndef __MEMORY_H__
 #define __MEMORY_H__
 
@@ -88,3 +90,6 @@ void mem_pool_init(void);
 
 #undef __DATA_MEMORY_CLASS_IMPLEMENT__
 #endif
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/src/dataQueue.h b/src/dataQueue.h
index f43c8ff15..30f65c97f 100644
--- a/src/dataQueue.h
+++ b/src/dataQueue.h
@@ -25,7 +25,9 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-
+#ifdef __cplusplus
+extern "C" {
+#endif
 #ifndef __DATA_QUEUE__H
 #define __DATA_QUEUE__H
 #include "dataArgs.h"
@@ -84,3 +86,6 @@ uint_fast16_t byteQueue_peekAvailableCount(ByteQueue *queue);
 PIKA_BOOL byteQueue_writeOne(ByteQueue *queue, uint8_t byte);
 
 #endif
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/src/dataQueueObj.h b/src/dataQueueObj.h
index fffa258d3..2e2f61d5e 100644
--- a/src/dataQueueObj.h
+++ b/src/dataQueueObj.h
@@ -24,7 +24,9 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-
+#ifdef __cplusplus
+extern "C" {
+#endif
 #ifndef __DATA_QUEUE_OBJ__H
 #define __DATA_QUEUE_OBJ__H
 #include "PikaObj.h"
@@ -46,3 +48,6 @@ PikaObj* queueObj_popObj(QueueObj* self);
 PikaObj* queueObj_getCurrentObj(QueueObj* self);
 
 #endif
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/src/dataStack.h b/src/dataStack.h
index a0c14194d..ad5a9876d 100644
--- a/src/dataStack.h
+++ b/src/dataStack.h
@@ -24,7 +24,9 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-
+#ifdef __cplusplus
+extern "C" {
+#endif
 #ifndef __DATA_STACK__H
 #define __DATA_STACK__H
 #include "dataArgs.h"
@@ -52,3 +54,6 @@ int32_t stack_popSize(Stack* stack);
 void stack_pushSize(Stack* stack, int32_t size);
 void stack_reset(Stack* stack);
 #endif
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/src/dataString.h b/src/dataString.h
index 97473fe69..504d5a0ca 100644
--- a/src/dataString.h
+++ b/src/dataString.h
@@ -24,7 +24,9 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-
+#ifdef __cplusplus
+extern "C" {
+#endif
 #ifndef __MY_TEST_TOOLS_H
 #define __MY_TEST_TOOLS_H
 #include "PikaPlatform.h"
@@ -71,3 +73,6 @@ int strGetIndent(char* string);
 int strIsBlank(char* string);
 
 #endif
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/src/dataStrs.h b/src/dataStrs.h
index b09e805e2..5475164ad 100644
--- a/src/dataStrs.h
+++ b/src/dataStrs.h
@@ -24,7 +24,9 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-
+#ifdef __cplusplus
+extern "C" {
+#endif
 #ifndef __STR_ARGS__H
 #define __STR_ARGS__H
 #include "dataArgs.h"
@@ -52,3 +54,6 @@ char* strsPathJoin(Args* buffs_p, char* input1, char* input2);
 char* strsPathFormat(Args* buffs_p, char* input);
 
 #endif
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/src/pika_adapter_mpy.h b/src/pika_adapter_mpy.h
index c60449a7f..7a0dc8deb 100644
--- a/src/pika_adapter_mpy.h
+++ b/src/pika_adapter_mpy.h
@@ -1,3 +1,7 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #ifndef __PIKA_ADAPTER_MPY_H__
 #define __PIKA_ADAPTER_MPY_H__
 #include <stdint.h>
@@ -335,3 +339,6 @@ typedef struct _mp_obj_list_t {
 
 
 #endif
+#ifdef __cplusplus
+}
+#endif
diff --git a/src/pika_adapter_old_api.h b/src/pika_adapter_old_api.h
index 642d48884..3c0de692e 100644
--- a/src/pika_adapter_old_api.h
+++ b/src/pika_adapter_old_api.h
@@ -1,3 +1,7 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #ifndef __PIKA_ADAPTER_OLD_API_H__
 #define __PIKA_ADAPTER_OLD_API_H__
 
@@ -83,3 +87,7 @@
 #endif
 
 #endif
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/src/pika_adapter_rtt.h b/src/pika_adapter_rtt.h
index a8c824c85..164e03f4c 100644
--- a/src/pika_adapter_rtt.h
+++ b/src/pika_adapter_rtt.h
@@ -1,3 +1,7 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #ifndef __PIKA_ADAPTER_RTT_H__
 #include <stdint.h>
 #include "PikaPlatform.h"
@@ -52,3 +56,7 @@
 #define RT_ASSERT(...) pika_assert(__VA_ARGS__)
 
 #endif
+
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/src/pika_config_valid.h b/src/pika_config_valid.h
index c1de5c445..79bea43e5 100644
--- a/src/pika_config_valid.h
+++ b/src/pika_config_valid.h
@@ -24,6 +24,10 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #ifndef __PIKA_CFG_VALID_H__
 #define __PIKA_CFG_VALID_H__
 
@@ -462,3 +466,6 @@
     /* configuration validation */
 
 #endif
+#ifdef __cplusplus
+}
+#endif
diff --git a/test/test_common.h b/test/test_common.h
index 9a0c0ec4f..c447fc35e 100644
--- a/test/test_common.h
+++ b/test/test_common.h
@@ -1,23 +1,25 @@
 #define __OOC_CPP__
 #define __OOC_DEBUG__
 
-extern "C" {
 #include "BaseObj.h"
 #include "PikaCompiler.h"
-#include "PikaMain.h"
-#include "PikaMath_Operator.h"
 #include "PikaParser.h"
-#include "PikaStdLib_MemChecker.h"
-#include "PikaStdLib_SysObj.h"
 #include "PikaVM.h"
 #include "TinyObj.h"
 #include "dataArgs.h"
 #include "dataMemory.h"
 #include "dataStrs.h"
+
+extern "C" {
+#include "PikaMain.h"
+#include "PikaMath_Operator.h"
+#include "PikaStdLib_MemChecker.h"
+#include "PikaStdLib_SysObj.h"
 #include "pikaScript.h"
 #include "pika_config_gtest.h"
 #include "pika_hal.h"
 #include <stdio.h>
+
 extern PikaMemInfo g_PikaMemInfo;
 /* the log_buff of printf */
 extern char log_buff[LOG_BUFF_MAX][LOG_SIZE];