diff --git a/source_code/agora_node_ext/agora_electron_bridge.cpp b/source_code/agora_node_ext/agora_electron_bridge.cpp
index 05743f3f7..3b3a9f557 100644
--- a/source_code/agora_node_ext/agora_electron_bridge.cpp
+++ b/source_code/agora_node_ext/agora_electron_bridge.cpp
@@ -24,10 +24,9 @@ const char *AgoraElectronBridge::_ret_result_str = "callApiResult";
 napi_ref *AgoraElectronBridge::_ref_construcotr_ptr = nullptr;
 
 AgoraElectronBridge::AgoraElectronBridge()
-    : _env(nullptr), _ref(nullptr), _result("\0"),
+    : _env(nullptr), _ref(nullptr),
       _iris_rtc_event_handler(new NodeIrisEventHandler) {
   LOG_F(INFO, __FUNCTION__);
-  memset(_result, '\0', kBasicResultLength);
 }
 
 AgoraElectronBridge::~AgoraElectronBridge() {
@@ -127,6 +126,7 @@ napi_value AgoraElectronBridge::CallApi(napi_env env, napi_callback_info info) {
   std::string funcName = "";
   std::string parameter = "";
   uint32_t bufferCount = 0;
+  napi_value retObj;
 
   status = napi_get_value_utf8string(env, args[0], funcName);
   status = napi_get_value_utf8string(env, args[1], parameter);
@@ -134,8 +134,6 @@ napi_value AgoraElectronBridge::CallApi(napi_env env, napi_callback_info info) {
 
   if (strcmp(parameter.c_str(), "") == 0) { parameter = "{}"; }
 
-  memset(agoraElectronBridge->_result, '\0', kBasicResultLength);
-
   if (!agoraElectronBridge->_iris_api_engine) { agoraElectronBridge->Init(); }
 
   int ret = ERR_FAILED;
@@ -179,12 +177,15 @@ napi_value AgoraElectronBridge::CallApi(napi_env env, napi_callback_info info) {
           funcName.c_str(),
           parameter.c_str(),
           (unsigned int) parameter.length(),
-          agoraElectronBridge->_result,
+          nullptr,
           buffer.data(),
-          length.data(),
+          nullptr,
           bufferCount,
       };
       ret = irisApiEngine->CallIrisApi(&apiParam);
+      status = napi_create_object(env, &retObj);
+      napi_obj_set_property(env, retObj, _ret_code_str, ret);
+      napi_obj_set_property(env, retObj, _ret_result_str, apiParam.result);
     } catch (std::exception &e) {
       agoraElectronBridge->OnApiError(e.what());
       LOG_F(INFO, "%s(func name:%s) parameter: catch excepton msg: %s",
@@ -194,8 +195,9 @@ napi_value AgoraElectronBridge::CallApi(napi_env env, napi_callback_info info) {
     LOG_F(INFO, "%s(func name:%s) fail, not init engine", __FUNCTION__,
           funcName.c_str());
     ret = ERR_NOT_INITIALIZED;
+    napi_obj_set_property(env, retObj, _ret_code_str, ret);
   }
-  RETURE_NAPI_OBJ();
+  return retObj;
 }
 
 napi_value AgoraElectronBridge::GetBuffer(napi_env env,
diff --git a/source_code/agora_node_ext/agora_electron_bridge.h b/source_code/agora_node_ext/agora_electron_bridge.h
index 8e0064cbd..4c6bd13e2 100644
--- a/source_code/agora_node_ext/agora_electron_bridge.h
+++ b/source_code/agora_node_ext/agora_electron_bridge.h
@@ -54,9 +54,6 @@ class AgoraElectronBridge {
   std::shared_ptr<IApiEngineBase> _iris_api_engine;
   std::shared_ptr<NodeIrisEventHandler> _iris_rtc_event_handler;
   std::shared_ptr<iris::IrisRtcRendering> _iris_rendering;
-
- private:
-  char _result[kBasicResultLength];
 };
 
 }// namespace electron
diff --git a/source_code/agora_node_ext/node_api_header.h b/source_code/agora_node_ext/node_api_header.h
index a8e8263d9..33ca4516b 100644
--- a/source_code/agora_node_ext/node_api_header.h
+++ b/source_code/agora_node_ext/node_api_header.h
@@ -16,14 +16,12 @@ namespace rtc {
 namespace electron {
 
 #define DECLARE_NAPI_METHOD(name, func)                                        \
-  { name, 0, func, 0, 0, 0, napi_default, 0 }
+  {name, 0, func, 0, 0, 0, napi_default, 0}
 
 #define RETURE_NAPI_OBJ()                                                      \
   napi_value retObj;                                                           \
   status = napi_create_object(env, &retObj);                                   \
   napi_obj_set_property(env, retObj, _ret_code_str, ret);                      \
-  napi_obj_set_property(env, retObj, _ret_result_str,                          \
-                        agoraElectronBridge->_result);                         \
   return retObj
 
 napi_status napi_get_value_utf8string(napi_env &env, napi_value &value,