diff --git a/package/cJSON/cJSON_Utils.c b/package/cJSON/cJSON_Utils.c
deleted file mode 100644
index 9f7906c65..000000000
--- a/package/cJSON/cJSON_Utils.c
+++ /dev/null
@@ -1,9 +0,0 @@
-#include "cJSON_Utils.h"
-
-PikaObj* cJSON_Utils_parse(PikaObj* self) {
-    return NULL;
-}
-
-PikaObj* cJSON_Utils_createObject(PikaObj *self){
-    return NULL;
-}
diff --git a/package/cJSON/cJSON.c b/package/pika_cjson/cJSON.c
similarity index 100%
rename from package/cJSON/cJSON.c
rename to package/pika_cjson/cJSON.c
diff --git a/package/cJSON/cJSON.h b/package/pika_cjson/cJSON.h
similarity index 100%
rename from package/cJSON/cJSON.h
rename to package/pika_cjson/cJSON.h
diff --git a/port/linux/package/pikascript/pikascript-lib/cJSON/cJSON_cJSON.c b/package/pika_cjson/cJSON_cJSON.c
similarity index 70%
rename from port/linux/package/pikascript/pikascript-lib/cJSON/cJSON_cJSON.c
rename to package/pika_cjson/cJSON_cJSON.c
index 1b4b66fb1..1e9e95dc5 100644
--- a/port/linux/package/pikascript/pikascript-lib/cJSON/cJSON_cJSON.c
+++ b/package/pika_cjson/cJSON_cJSON.c
@@ -1,13 +1,13 @@
-#include "cJSON_cJSON.h"
+#include "pika_cjson_cJSON.h"
 #include "cJSON.h"
 
-void cJSON_cJSON_parse(PikaObj* self, char* value) {
+void pika_cjson_cJSON_parse(PikaObj* self, char* value) {
     cJSON* item = cJSON_Parse(value);
     obj_setPtr(self, "item", item);
     obj_setInt(self, "needfree", 1);
 }
 
-char* cJSON_cJSON_print(PikaObj* self) {
+char* pika_cjson_cJSON_print(PikaObj* self) {
     cJSON* item = obj_getPtr(self, "item");
     char* res = cJSON_Print(item);
     obj_setStr(self, "_buf", res);
@@ -15,19 +15,19 @@ char* cJSON_cJSON_print(PikaObj* self) {
     return obj_getStr(self, "_buf");
 }
 
-void cJSON_cJSON___del__(PikaObj* self) {
+void pika_cjson_cJSON___del__(PikaObj* self) {
     cJSON* item = obj_getPtr(self, "item");
     if (obj_getInt(self, "needfree") == 1) {
         cJSON_Delete(item);
     }
 }
 
-Arg* cJSON_cJSON_getObjectItem(PikaObj* self, char* string) {
+Arg* pika_cjson_cJSON_getObjectItem(PikaObj* self, char* string) {
     cJSON* item = obj_getPtr(self, "item");
     cJSON* subItem = cJSON_GetObjectItem(item, string);
 
     /* create subCJSON */
-    Arg* subCJSON_arg = obj_newObjInPackage(New_cJSON_cJSON);
+    Arg* subCJSON_arg = obj_newObjInPackage(New_pika_cjson_cJSON);
 
     /* init the subCJSON */
     PikaObj* subCJSON = arg_getPtr(subCJSON_arg);
diff --git a/package/cJSON/cJSON.pyi b/package/pika_cjson/pika_cjson.pyi
similarity index 89%
rename from package/cJSON/cJSON.pyi
rename to package/pika_cjson/pika_cjson.pyi
index e93d8360a..7d60205e8 100644
--- a/package/cJSON/cJSON.pyi
+++ b/package/pika_cjson/pika_cjson.pyi
@@ -1,6 +1,4 @@
-import imp
 from PikaObj import *
-import json
 
 
 class cJSON(TinyObj):
diff --git a/port/linux/package/pikascript/main.py b/port/linux/package/pikascript/main.py
index 47541440f..033547121 100644
--- a/port/linux/package/pikascript/main.py
+++ b/port/linux/package/pikascript/main.py
@@ -9,7 +9,7 @@ import test_module1
 import test_cmodule
 import TempDevTest as dev
 import TemplateDevice
-import cJSON
+import pika_cjson 
 from PikaStdData import String as S
 
 mem = PikaStdLib.MemChecker()
diff --git a/port/linux/package/pikascript/cJSON.pyi b/port/linux/package/pikascript/pika_cjson.pyi
similarity index 89%
rename from port/linux/package/pikascript/cJSON.pyi
rename to port/linux/package/pikascript/pika_cjson.pyi
index e93d8360a..7d60205e8 100644
--- a/port/linux/package/pikascript/cJSON.pyi
+++ b/port/linux/package/pikascript/pika_cjson.pyi
@@ -1,6 +1,4 @@
-import imp
 from PikaObj import *
-import json
 
 
 class cJSON(TinyObj):
diff --git a/port/linux/package/pikascript/pikascript-lib/cJSON/cJSON.c b/port/linux/package/pikascript/pikascript-lib/pika_cjson/cJSON.c
similarity index 100%
rename from port/linux/package/pikascript/pikascript-lib/cJSON/cJSON.c
rename to port/linux/package/pikascript/pikascript-lib/pika_cjson/cJSON.c
diff --git a/port/linux/package/pikascript/pikascript-lib/cJSON/cJSON.h b/port/linux/package/pikascript/pikascript-lib/pika_cjson/cJSON.h
similarity index 100%
rename from port/linux/package/pikascript/pikascript-lib/cJSON/cJSON.h
rename to port/linux/package/pikascript/pikascript-lib/pika_cjson/cJSON.h
diff --git a/package/cJSON/cJSON_cJSON.c b/port/linux/package/pikascript/pikascript-lib/pika_cjson/cJSON_cJSON.c
similarity index 70%
rename from package/cJSON/cJSON_cJSON.c
rename to port/linux/package/pikascript/pikascript-lib/pika_cjson/cJSON_cJSON.c
index 1b4b66fb1..1e9e95dc5 100644
--- a/package/cJSON/cJSON_cJSON.c
+++ b/port/linux/package/pikascript/pikascript-lib/pika_cjson/cJSON_cJSON.c
@@ -1,13 +1,13 @@
-#include "cJSON_cJSON.h"
+#include "pika_cjson_cJSON.h"
 #include "cJSON.h"
 
-void cJSON_cJSON_parse(PikaObj* self, char* value) {
+void pika_cjson_cJSON_parse(PikaObj* self, char* value) {
     cJSON* item = cJSON_Parse(value);
     obj_setPtr(self, "item", item);
     obj_setInt(self, "needfree", 1);
 }
 
-char* cJSON_cJSON_print(PikaObj* self) {
+char* pika_cjson_cJSON_print(PikaObj* self) {
     cJSON* item = obj_getPtr(self, "item");
     char* res = cJSON_Print(item);
     obj_setStr(self, "_buf", res);
@@ -15,19 +15,19 @@ char* cJSON_cJSON_print(PikaObj* self) {
     return obj_getStr(self, "_buf");
 }
 
-void cJSON_cJSON___del__(PikaObj* self) {
+void pika_cjson_cJSON___del__(PikaObj* self) {
     cJSON* item = obj_getPtr(self, "item");
     if (obj_getInt(self, "needfree") == 1) {
         cJSON_Delete(item);
     }
 }
 
-Arg* cJSON_cJSON_getObjectItem(PikaObj* self, char* string) {
+Arg* pika_cjson_cJSON_getObjectItem(PikaObj* self, char* string) {
     cJSON* item = obj_getPtr(self, "item");
     cJSON* subItem = cJSON_GetObjectItem(item, string);
 
     /* create subCJSON */
-    Arg* subCJSON_arg = obj_newObjInPackage(New_cJSON_cJSON);
+    Arg* subCJSON_arg = obj_newObjInPackage(New_pika_cjson_cJSON);
 
     /* init the subCJSON */
     PikaObj* subCJSON = arg_getPtr(subCJSON_arg);
diff --git a/port/linux/test/cJSON-test.cpp b/port/linux/test/cJSON-test.cpp
index d51f8dfbe..26b1da409 100644
--- a/port/linux/test/cJSON-test.cpp
+++ b/port/linux/test/cJSON-test.cpp
@@ -36,7 +36,7 @@ TEST(cJSON, parse_print) {
     /* run */
     obj_setStr(pikaMain, "testjson", testjson);
     obj_run(pikaMain,
-            "a = cJSON.cJSON()\n"
+            "a = pika_cjson.cJSON()\n"
             "a.parse(testjson)\n"
             "a.print()\n");
     /* collect */
@@ -67,7 +67,7 @@ TEST(cJSON, getItem) {
     obj_setStr(pikaMain, "testjson", testjson);
     __platform_printf("BEGIN\r\n");
     obj_run(pikaMain,
-            "a = cJSON.cJSON()\n"
+            "a = pika_cjson.cJSON()\n"
             "a.parse(testjson)\n"
             "age = a.getObjectItem('age')\n"
             "age.print()\n");