diff --git a/fxjs/js_define.h b/fxjs/js_define.h
index 325642d..93dfd49 100644
--- a/fxjs/js_define.h
+++ b/fxjs/js_define.h
@@ -63,13 +63,12 @@
                   const char* class_name_string,
                   v8::Local<v8::String> property,
                   const v8::PropertyCallbackInfo<v8::Value>& info) {
-  CJS_Runtime* pRuntime =
-      CJS_Runtime::RuntimeFromIsolateCurrentContext(info.GetIsolate());
-  if (!pRuntime)
+  CJS_Object* pJSObj = CFXJS_Engine::GetObjectPrivate(info.Holder());
+  if (!pJSObj)
     return;
 
-  CJS_Object* pJSObj = pRuntime->GetObjectPrivate(info.Holder());
-  if (!pJSObj)
+  CJS_Runtime* pRuntime = pJSObj->GetRuntime();
+  if (!pRuntime)
     return;
 
   C* pObj = static_cast<C*>(pJSObj);
@@ -90,13 +89,12 @@
                   v8::Local<v8::String> property,
                   v8::Local<v8::Value> value,
                   const v8::PropertyCallbackInfo<void>& info) {
-  CJS_Runtime* pRuntime =
-      CJS_Runtime::RuntimeFromIsolateCurrentContext(info.GetIsolate());
-  if (!pRuntime)
+  CJS_Object* pJSObj = CFXJS_Engine::GetObjectPrivate(info.Holder());
+  if (!pJSObj)
     return;
 
-  CJS_Object* pJSObj = pRuntime->GetObjectPrivate(info.Holder());
-  if (!pJSObj)
+  CJS_Runtime* pRuntime = pJSObj->GetRuntime();
+  if (!pRuntime)
     return;
 
   C* pObj = static_cast<C*>(pJSObj);
@@ -113,13 +111,12 @@
 void JSMethod(const char* method_name_string,
               const char* class_name_string,
               const v8::FunctionCallbackInfo<v8::Value>& info) {
-  CJS_Runtime* pRuntime =
-      CJS_Runtime::RuntimeFromIsolateCurrentContext(info.GetIsolate());
-  if (!pRuntime)
+  CJS_Object* pJSObj = CFXJS_Engine::GetObjectPrivate(info.Holder());
+  if (!pJSObj)
     return;
 
-  CJS_Object* pJSObj = pRuntime->GetObjectPrivate(info.Holder());
-  if (!pJSObj)
+  CJS_Runtime* pRuntime = pJSObj->GetRuntime();
+  if (!pRuntime)
     return;
 
   std::vector<v8::Local<v8::Value>> parameters;