diff --git a/port/linux/test/VM-test.cpp b/port/linux/test/VM-test.cpp
index cc4b3a6dc..ceb710924 100644
--- a/port/linux/test/VM-test.cpp
+++ b/port/linux/test/VM-test.cpp
@@ -17,7 +17,7 @@ TEST(VM, num1) {
     char* pikaAsm = pikaParseLineToAsm(buffs, line, NULL);
     printf("%s", pikaAsm);
     PikaObj* self = newRootObj((char*)"root", New_PikaStdLib_SysObj);
-    PikaObj* globals = pikaVM_runAsm(self, pikaAsm);
+    Parameters* globals = pikaVM_runAsm(self, pikaAsm);
     obj_deinit(self);
     args_deinit(buffs);
     obj_deinit(globals);
@@ -30,7 +30,7 @@ TEST(VM, a_1) {
     char* pikaAsm = pikaParseLineToAsm(buffs, line, NULL);
     printf("%s", pikaAsm);
     PikaObj* self = newRootObj((char*)"root", New_PikaStdLib_SysObj);
-    PikaObj* globals = pikaVM_runAsm(self, pikaAsm);
+    Parameters* globals = pikaVM_runAsm(self, pikaAsm);
     ASSERT_EQ(args_getInt(globals->attributeList, (char*)"a"), 1);
 
     obj_deinit(self);
@@ -45,7 +45,7 @@ TEST(VM, a_1d1) {
     char* pikaAsm = pikaParseLineToAsm(buffs, line, NULL);
     printf("%s", pikaAsm);
     PikaObj* self = newRootObj((char*)"root", New_PikaStdLib_SysObj);
-    PikaObj* globals = pikaVM_runAsm(self, pikaAsm);
+    Parameters* globals = pikaVM_runAsm(self, pikaAsm);
     ASSERT_FLOAT_EQ(args_getFloat(globals->attributeList, (char*)"a"), 1.1);
 
     obj_deinit(self);
@@ -60,7 +60,7 @@ TEST(VM, str_xy) {
     char* pikaAsm = pikaParseLineToAsm(buffs, line, NULL);
     printf("%s", pikaAsm);
     PikaObj* self = newRootObj((char*)"root", New_PikaStdLib_SysObj);
-    PikaObj* globals = pikaVM_runAsm(self, pikaAsm);
+    Parameters* globals = pikaVM_runAsm(self, pikaAsm);
 
     ASSERT_STREQ(args_getStr(globals->attributeList, (char*)"a"),
                  (char*)"xy");
@@ -77,7 +77,7 @@ TEST(VM, str_xy_space) {
     char* pikaAsm = pikaParseLineToAsm(buffs, line, NULL);
     printf("%s", pikaAsm);
     PikaObj* self = newRootObj((char*)"root", New_PikaStdLib_SysObj);
-    PikaObj* globals = pikaVM_runAsm(self, pikaAsm);
+    Parameters* globals = pikaVM_runAsm(self, pikaAsm);
 
     ASSERT_STREQ(args_getStr(globals->attributeList, (char*)"a"),
                  (char*)"xy ");
@@ -92,7 +92,7 @@ TEST(VM, ref_a_b) {
     PikaObj* self = newRootObj((char*)"root", New_PikaStdLib_SysObj);
     Args* buffs = New_strBuff();
 
-    PikaObj* globals = pikaVM_runAsm(
+    Parameters* globals = pikaVM_runAsm(
         self, pikaParseLineToAsm(buffs, (char*)"a = 'xy '", NULL));
     globals = pikaVM_runAsmWithArgs(
         self, globals, pikaParseLineToAsm(buffs, (char*)"b = a", NULL));
@@ -109,7 +109,7 @@ TEST(VM, Run_add) {
     PikaObj* self = newRootObj((char*)"root", New_PikaMath_Operator);
     Args* buffs = New_strBuff();
 
-    PikaObj* globals = pikaVM_runAsm(
+    Parameters* globals = pikaVM_runAsm(
         self, pikaParseLineToAsm(buffs, (char*)"a = plusInt(1,2)", NULL));
 
     args_deinit(buffs);
@@ -124,7 +124,7 @@ TEST(VM, Run_add_multy) {
     PikaObj* self = newRootObj((char*)"root", New_PikaMath_Operator);
     Args* buffs = New_strBuff();
 
-    PikaObj* globals =
+    Parameters* globals =
         pikaVM_runAsm(self, pikaParseLineToAsm(buffs, (char*)"b = 2", NULL));
     globals = pikaVM_runAsmWithArgs(
         self, globals,
@@ -142,7 +142,7 @@ TEST(VM, Run_add_1_2_3) {
     PikaObj* self = newRootObj((char*)"root", New_PikaMath_Operator);
     Args* buffs = New_strBuff();
 
-    PikaObj* globals = pikaVM_runAsm(
+    Parameters* globals = pikaVM_runAsm(
         self, pikaParseLineToAsm(buffs, (char*)"a = plusInt(1, plusInt(2,3) )",
                                  NULL));
 
@@ -167,7 +167,7 @@ TEST(VM, JEZ) {
     Args* sysRes = New_args(NULL);
     args_setErrorCode(sysRes, 0);
     args_setSysOut(sysRes, (char*)"");
-    PikaObj* globals = New_TinyObj(NULL);
+    Parameters* globals = New_TinyObj(NULL);
     lineAddr = pikaVM_runAsmLine(self, globals, pikaAsm, lineAddr);
     lineAddr = pikaVM_runAsmLine(self, globals, pikaAsm, lineAddr);
     lineAddr = pikaVM_runAsmLine(self, globals, pikaAsm, lineAddr);
@@ -191,7 +191,7 @@ TEST(VM, JMP) {
     Args* sysRes = New_args(NULL);
     args_setErrorCode(sysRes, 0);
     args_setSysOut(sysRes, (char*)"");
-    PikaObj* globals = New_TinyObj(NULL);
+    Parameters* globals = New_TinyObj(NULL);
     lineAddr = pikaVM_runAsmLine(self, globals, pikaAsm, lineAddr);
     lineAddr = pikaVM_runAsmLine(self, globals, pikaAsm, lineAddr);
     __clearInvokeQueues(globals);
@@ -215,7 +215,7 @@ TEST(VM, JMP_back1) {
     Args* sysRes = New_args(NULL);
     args_setErrorCode(sysRes, 0);
     args_setSysOut(sysRes, (char*)"");
-    PikaObj* globals = New_TinyObj(NULL);
+    Parameters* globals = New_TinyObj(NULL);
     lineAddr = pikaVM_runAsmLine(self, globals, pikaAsm, lineAddr);
     lineAddr = pikaVM_runAsmLine(self, globals, pikaAsm, lineAddr);
     lineAddr = pikaVM_runAsmLine(self, globals, pikaAsm, lineAddr);
@@ -243,7 +243,7 @@ TEST(VM, WHILE) {
     printf("%s", pikaAsm);
     pikaMemInfo.heapUsedMax = 0;
     PikaObj* self = New_TinyObj(NULL);
-    PikaObj* globals = pikaVM_runAsm(self, pikaAsm);
+    Parameters* globals = pikaVM_runAsm(self, pikaAsm);
     EXPECT_EQ(args_getInt(globals->attributeList, (char*)"a"), 0);
     EXPECT_EQ(args_getInt(globals->attributeList, (char*)"b"), 1);
     obj_deinit(globals);
@@ -258,7 +258,7 @@ TEST(VM, a_1_1) {
     char* pikaAsm = pikaParseLineToAsm(buffs, line, NULL);
     printf("%s", pikaAsm);
     PikaObj* self = newRootObj((char*)"root", New_PikaStdLib_SysObj);
-    PikaObj* globals = pikaVM_runAsm(self, pikaAsm);
+    Parameters* globals = pikaVM_runAsm(self, pikaAsm);
 
     int res = args_getInt(globals->attributeList, (char*)"a");
     obj_deinit(self);
@@ -274,7 +274,7 @@ TEST(VM, a_1_1d1) {
     char* pikaAsm = pikaParseLineToAsm(buffs, line, NULL);
     printf("%s", pikaAsm);
     PikaObj* self = newRootObj((char*)"root", New_PikaStdLib_SysObj);
-    PikaObj* globals = pikaVM_runAsm(self, pikaAsm);
+    Parameters* globals = pikaVM_runAsm(self, pikaAsm);
 
     float res = args_getFloat(globals->attributeList, (char*)"a");
     obj_deinit(self);
@@ -290,7 +290,7 @@ TEST(VM, a_jjcc) {
     char* pikaAsm = pikaParseLineToAsm(buffs, line, NULL);
     printf("%s", pikaAsm);
     PikaObj* self = newRootObj((char*)"root", New_PikaStdLib_SysObj);
-    PikaObj* globals = pikaVM_runAsm(self, pikaAsm);
+    Parameters* globals = pikaVM_runAsm(self, pikaAsm);
 
     float res = args_getFloat(globals->attributeList, (char*)"a");
     obj_deinit(self);
@@ -311,7 +311,7 @@ TEST(VM, while_a_1to10) {
     char* pikaAsm = pikaParseMultiLineToAsm(buffs, line);
     printf("%s", pikaAsm);
     PikaObj* self = newRootObj((char*)"root", New_PikaStdLib_SysObj);
-    PikaObj* globals = pikaVM_runAsm(self, pikaAsm);
+    Parameters* globals = pikaVM_runAsm(self, pikaAsm);
 
     int res = args_getInt(globals->attributeList, (char*)"a");
     obj_deinit(self);
@@ -333,7 +333,7 @@ TEST(VM, mem_x) {
     char* pikaAsm = pikaParseMultiLineToAsm(buffs, line);
     printf("%s", pikaAsm);
     PikaObj* self = newRootObj((char*)"", New_PikaMain);
-    PikaObj* globals = pikaVM_runAsm(self, pikaAsm);
+    Parameters* globals = pikaVM_runAsm(self, pikaAsm);
 
     int res = obj_getInt(globals, (char*)"mem.x");
     obj_deinit(self);
@@ -361,7 +361,7 @@ TEST(VM, DEF_instruct) {
     PikaObj* self = New_TinyObj(NULL);
     int lineAddr = 0;
     int size = strGetSize(pikaAsm);
-    PikaObj* globals = pikaVM_runAsm(self, pikaAsm);
+    Parameters* globals = pikaVM_runAsm(self, pikaAsm);
     char* methodPtr = (char*)obj_getPtr(self, (char*)"test");
     EXPECT_STREQ(methodCode, methodPtr);
     obj_deinit(self);
@@ -380,7 +380,7 @@ TEST(VM, RET_instruct) {
     PikaObj* self = New_TinyObj(NULL);
     int lineAddr = 0;
     int size = strGetSize(pikaAsm);
-    PikaObj* globals = pikaVM_runAsm(self, pikaAsm);
+    Parameters* globals = pikaVM_runAsm(self, pikaAsm);
     Arg* returnArg = args_getArg(globals->attributeList, (char*)"return");
     int num = arg_getInt(returnArg);
     EXPECT_EQ(num, 13);
@@ -402,7 +402,7 @@ TEST(VM, RUN_DEF) {
     "0 RUN test\n"
     "0 OUT a\n";
     PikaObj* self = New_TinyObj(NULL);
-    PikaObj* globals = pikaVM_runAsm(self, pikaAsm);
+    Parameters* globals = pikaVM_runAsm(self, pikaAsm);
     int num = obj_getInt(self, (char*)"a");
     obj_deinit(self);
     obj_deinit(globals);
diff --git a/port/linux/test/object-test.cpp b/port/linux/test/object-test.cpp
index 03b1f746c..5fea9e6af 100644
--- a/port/linux/test/object-test.cpp
+++ b/port/linux/test/object-test.cpp
@@ -129,7 +129,7 @@ TEST(object_test, test3) {
 
 TEST(object_test, test6) {
     PikaObj* obj = newRootObj((char*)"test", New_PikaObj_test);
-    PikaObj* globals = obj_runDirect(obj, (char*)"res = add(1, 2)");
+    Parameters* globals = obj_runDirect(obj, (char*)"res = add(1, 2)");
     int32_t res = obj_getInt(globals, (char*)"res");
     EXPECT_EQ(3, res);
     obj_deinit(obj);
@@ -178,7 +178,7 @@ TEST(object_test, voidRun) {
 
 TEST(object_test, printa) {
     PikaObj* root = newRootObj((char*)"root", New_BaseObj);
-    PikaObj* globals = obj_runDirect(root,
+    Parameters* globals = obj_runDirect(root,
      (char*) 
      "a = 2\n"
      "print(a)\n"
@@ -212,7 +212,7 @@ TEST(object_test, obj_run_while) {
         "    b = 1\n"
         "    a = 0\n"
         "\n";
-    PikaObj* globals = obj_runDirect(root, lines);
+    Parameters* globals = obj_runDirect(root, lines);
     EXPECT_EQ(obj_getInt(globals, (char*)"a"), 0);
     EXPECT_EQ(obj_getInt(globals, (char*)"b"), 1);
     obj_deinit(root);
diff --git a/port/linux/test/sysObj-test.cpp b/port/linux/test/sysObj-test.cpp
index e3b81a8ad..cf32bfd2b 100644
--- a/port/linux/test/sysObj-test.cpp
+++ b/port/linux/test/sysObj-test.cpp
@@ -7,7 +7,7 @@ extern "C" {
 
 TEST(sysObj, print) {
     PikaObj* obj = newRootObj((char*)"test", New_PikaStdLib_SysObj);
-    PikaObj* globals = obj_runDirect(obj, (char*)"print('hello world')");
+    Parameters* globals = obj_runDirect(obj, (char*)"print('hello world')");
     char* sysOut = args_getSysOut(globals->attributeList);
     int errCode = args_getErrorCode(globals->attributeList);
     printf("sysout = %s\r\n", sysOut);
@@ -20,7 +20,7 @@ TEST(sysObj, print) {
 
 TEST(sysObj, noMethod) {
     PikaObj* obj = newRootObj((char*)"test", New_PikaStdLib_SysObj);
-    PikaObj* globals = obj_runDirect(obj, (char*)"printttt('hello world')");
+    Parameters* globals = obj_runDirect(obj, (char*)"printttt('hello world')");
     char* sysOut = args_getSysOut(globals->attributeList);
     int errCode = args_getErrorCode(globals->attributeList);
     printf("sysout = %s\r\n", sysOut);
diff --git a/src/PikaObj.c b/src/PikaObj.c
index 552d97f4a..043e8b459 100644
--- a/src/PikaObj.c
+++ b/src/PikaObj.c
@@ -403,8 +403,8 @@ PIKA_WEAK int __runExtern_contral(PikaObj* self, char* cmd) {
     return 0;
 }
 
-PikaObj* obj_runDirect(PikaObj* self, char* cmd) {
-    PikaObj* globals = NULL;
+Parameters* obj_runDirect(PikaObj* self, char* cmd) {
+    Parameters* globals = NULL;
 
     globals = pikaVM_run(self, cmd);
     goto exit;
@@ -471,7 +471,7 @@ void obj_runNoRes(PikaObj* slef, char* cmd) {
 
 void obj_run(PikaObj* self, char* cmd) {
     /* safe, stop when error occord and error info would be print32_t */
-    PikaObj* globals = obj_runDirect(self, cmd);
+    Parameters* globals = obj_runDirect(self, cmd);
     obj_deinit(globals);
 }
 
diff --git a/src/PikaObj.h b/src/PikaObj.h
index c1bf5983c..67cdcc12b 100644
--- a/src/PikaObj.h
+++ b/src/PikaObj.h
@@ -11,6 +11,7 @@
 typedef struct PikaObj_t PikaObj;
 typedef PikaObj* (*NewFun)(Args* args);
 typedef PikaObj* (*InitFun)(PikaObj* self, Args* args);
+typedef PikaObj Parameters;
 
 struct PikaObj_t {
     /* list */
@@ -68,9 +69,6 @@ int32_t class_defineMethod(PikaObj* self,
                            char* declearation,
                            void (*methodPtr)(PikaObj* self, Args* args));
 
-void obj_runNoRes(PikaObj* slef, char* cmd);
-void obj_run(PikaObj* self, char* cmd);
-PikaObj* obj_runDirect(PikaObj* self, char* cmd);
 int32_t obj_removeArg(PikaObj* self, char* argPath);
 int32_t obj_isArgExist(PikaObj* self, char* argPath);
 PikaObj* obj_getClassObjByNewFun(PikaObj* self, char* name, NewFun newClassFun);
@@ -106,4 +104,8 @@ float method_getFloat(Args* args, char* argName);
 char* method_getStr(Args* args, char* argName);
 void method_returnArg(Args* args, Arg* arg);
 
+void obj_runNoRes(PikaObj* slef, char* cmd);
+void obj_run(PikaObj* self, char* cmd);
+Parameters* obj_runDirect(PikaObj* self, char* cmd);
+
 #endif
diff --git a/src/PikaVM.c b/src/PikaVM.c
index dd998634f..dd1bd4889 100644
--- a/src/PikaVM.c
+++ b/src/PikaVM.c
@@ -101,7 +101,7 @@ int fast_atoi(char* src) {
 }
 
 Arg* pikaVM_runAsmInstruct(PikaObj* self,
-                           PikaObj* globals,
+                           Parameters* globals,
                            enum Instruct instruct,
                            char* data,
                            Queue* invokeQuene0,
@@ -416,7 +416,7 @@ Arg* pikaVM_runAsmInstruct(PikaObj* self,
     return NULL;
 }
 
-int32_t __clearInvokeQueues(PikaObj* globals) {
+int32_t __clearInvokeQueues(Parameters* globals) {
     for (char deepthChar = '0'; deepthChar < '9'; deepthChar++) {
         char deepth[2] = {0};
         deepth[0] = deepthChar;
@@ -511,7 +511,7 @@ int32_t getAddrOffsetFromJmp(char* start, char* code, int32_t jmp) {
 }
 
 int32_t pikaVM_runAsmLine(PikaObj* self,
-                          PikaObj* globals,
+                          Parameters* globals,
                           char* pikaAsm,
                           int32_t lineAddr) {
     Args* buffs = New_strBuff();
@@ -580,7 +580,9 @@ char* useFlashAsBuff(char* pikaAsm, Args* buffs) {
     return pikaAsm;
 }
 
-PikaObj* pikaVM_runAsmWithArgs(PikaObj* self, PikaObj* globals, char* pikaAsm) {
+Parameters* pikaVM_runAsmWithArgs(PikaObj* self,
+                                  Parameters* globals,
+                                  char* pikaAsm) {
     int lineAddr = 0;
     int size = strGetSize(pikaAsm);
     args_setErrorCode(globals->attributeList, 0);
@@ -608,17 +610,17 @@ PikaObj* pikaVM_runAsmWithArgs(PikaObj* self, PikaObj* globals, char* pikaAsm) {
     return globals;
 }
 
-PikaObj* pikaVM_runAsm(PikaObj* self, char* pikaAsm) {
-    PikaObj* globals = New_TinyObj(NULL);
+Parameters* pikaVM_runAsm(PikaObj* self, char* pikaAsm) {
+    Parameters* globals = New_TinyObj(NULL);
     globals = pikaVM_runAsmWithArgs(self, globals, pikaAsm);
     return globals;
 }
 
-PikaObj* pikaVM_run(PikaObj* self, char* multiLine) {
+Parameters* pikaVM_run(PikaObj* self, char* multiLine) {
     Args* buffs = New_strBuff();
     char* pikaAsm = pikaParseMultiLineToAsm(buffs, multiLine);
     uint32_t asm_size = strGetSize(pikaAsm);
-    PikaObj* globals = pikaVM_runAsm(self, pikaAsm);
+    Parameters* globals = pikaVM_runAsm(self, pikaAsm);
     if (NULL != buffs) {
         args_deinit(buffs);
     }
diff --git a/src/PikaVM.h b/src/PikaVM.h
index d85c1055a..1696b0a30 100644
--- a/src/PikaVM.h
+++ b/src/PikaVM.h
@@ -2,16 +2,18 @@
 #define __PIKA__VM__H
 #include "PikaObj.h"
 
-PikaObj* pikaVM_run(PikaObj* self, char* pyLine);
-PikaObj* pikaVM_runAsm(PikaObj* self, char* pikaAsm);
-int32_t __clearInvokeQueues(PikaObj* globals);
+
+Parameters* pikaVM_run(PikaObj* self, char* pyLine);
+Parameters* pikaVM_runAsm(PikaObj* self, char* pikaAsm);
+Parameters* pikaVM_runAsmWithArgs(PikaObj* self, Parameters* globals, char* pikaAsm);
+
+int32_t __clearInvokeQueues(Parameters* globals);
 char* useFlashAsBuff(char* pikaAsm, Args* buffs);
 int32_t gotoNextLine(char* code);
 int32_t gotoLastLine(char* start, char* code);
 int getThisBlockDeepth(char* start, char* code, int* offset);
-PikaObj* pikaVM_runAsmWithArgs(PikaObj* self, PikaObj* globals, char* pikaAsm);
 int32_t pikaVM_runAsmLine(PikaObj* self,
-                          PikaObj* globals,
+                          Parameters* globals,
                           char* pikaAsm,
                           int32_t lineAddr);