diff --git a/port/linux/test/VM-test.cpp b/port/linux/test/VM-test.cpp
index 4c6775c8e..cf5926038 100644
--- a/port/linux/test/VM-test.cpp
+++ b/port/linux/test/VM-test.cpp
@@ -901,7 +901,7 @@ TEST(VM, load_static_bytes) {
                                         .output_f = NULL,
                                     }};
 
-    byteCodeFrame_loadBytes(&bytecode_frame, (uint8_t*)bytes);
+    byteCodeFrame_loadByteCode(&bytecode_frame, (uint8_t*)bytes);
     byteCodeFrame_print(&bytecode_frame);
 
     EXPECT_EQ(instructArray_getSize(&(bytecode_frame.instruct_array)), 520);
diff --git a/port/linux/test/compile-test.cpp b/port/linux/test/compile-test.cpp
index d40694d63..bbc21f16b 100644
--- a/port/linux/test/compile-test.cpp
+++ b/port/linux/test/compile-test.cpp
@@ -1,4 +1,3 @@
-
 #include "gtest/gtest.h"
 extern "C" {
 #include "PikaMain.h"
@@ -331,3 +330,9 @@ TEST(compiler, file2) {
     pikaCompileFile((char*)"test/python/main_snake_LCD.py");
     EXPECT_EQ(pikaMemNow(), 0);
 }
+
+TEST(lib, init) {
+    PikaLib* lib = New_PikaLib();
+    PikaLib_deinit(lib);
+    EXPECT_EQ(pikaMemNow(), 0);
+}
diff --git a/src/PikaVM.c b/src/PikaVM.c
index c24361e05..391177342 100644
--- a/src/PikaVM.c
+++ b/src/PikaVM.c
@@ -1025,7 +1025,7 @@ static VMParameters* __pikaVM_runPyLines_or_byteCode(PikaObj* self,
         }
     } else {
         /* load bytecode */
-        byteCodeFrame_loadBytes(bytecode_frame_p, bytecode);
+        byteCodeFrame_loadByteCode(bytecode_frame_p, bytecode);
     }
 
     /* run byteCode */
@@ -1157,7 +1157,7 @@ void byteCodeFrame_init(ByteCodeFrame* self) {
     instructArray_init(&(self->instruct_array));
 }
 
-void byteCodeFrame_loadBytes(ByteCodeFrame* self, uint8_t* bytes) {
+void byteCodeFrame_loadByteCode(ByteCodeFrame* self, uint8_t* bytes) {
     uint16_t* ins_size_p = (uint16_t*)bytes;
     void* ins_start_p = (uint16_t*)(bytes + 2);
     uint16_t* const_size_p =
diff --git a/src/PikaVM.h b/src/PikaVM.h
index 96fa808c8..261271060 100644
--- a/src/PikaVM.h
+++ b/src/PikaVM.h
@@ -124,7 +124,7 @@ void constPool_update(ConstPool* self);
 void instructArray_update(InstructArray* self);
 void constPool_printAsArray(ConstPool* self);
 void instructArray_printAsArray(InstructArray* self);
-void byteCodeFrame_loadBytes(ByteCodeFrame* self, uint8_t* bytes);
+void byteCodeFrame_loadByteCode(ByteCodeFrame* self, uint8_t* bytes);
 void byteCodeFrame_printAsArray(ByteCodeFrame* self);
 VMParameters* pikaVM_runByteCode(PikaObj* self, uint8_t* bytecode);
 
diff --git a/src/pikaCompiler.c b/src/pikaCompiler.c
index 6b01e016c..56e6c5adc 100644
--- a/src/pikaCompiler.c
+++ b/src/pikaCompiler.c
@@ -86,6 +86,13 @@ int pikaCompile(char* output_file_name, char* py_lines) {
     return 0;
 };
 
+/*
+    need implament :
+        __platform_fopen()
+        __platform_fread()
+        __platform_fwrite()
+        __platform_fclose()
+*/
 int pikaCompileFileWithOutputName(char* output_file_name,
                                   char* input_file_name) {
     char* file_buff = __platform_malloc(PIKA_READ_FILE_BUFF_SIZE);
@@ -105,3 +112,14 @@ int pikaCompileFile(char* input_file_name) {
     strsDeinit(&buffs);
     return 0;
 }
+
+PikaLib* New_PikaLib(void) {
+    return New_TinyObj(NULL);
+}
+
+void PikaLib_deinit(PikaLib* self) {
+    obj_deinit(self);
+}
+
+void PikaLib_LinkByteCode(PikaLib* self, char* module_name, uint8_t* bytecode) {
+}
diff --git a/src/pikaCompiler.h b/src/pikaCompiler.h
index c83ce346f..1930e7483 100644
--- a/src/pikaCompiler.h
+++ b/src/pikaCompiler.h
@@ -1,8 +1,17 @@
 #ifndef __PIKA_COMPILER__H
 #define __PIKA_COMPILER__H
+#include "PikaObj.h"
 
 int pikaCompileFile(char* input_file_name);
-int pikaCompileFileWithOutputName(char* output_file_name, char* input_file_name);
+int pikaCompileFileWithOutputName(char* output_file_name,
+                                  char* input_file_name);
 int pikaCompile(char* output_file_name, char* py_lines);
 
+typedef PikaObj PikaLib;
+PikaLib* New_PikaLib(void);
+void PikaLib_deinit(PikaLib* self);
+void PikaLib_importByteCodeFrame(PikaLib* self,
+                                 char* module_name,
+                                 ByteCodeFrame* bf);
+
 #endif
\ No newline at end of file