HarmonyOS导出多个类问题

// Native侧模块初始化 
static napi_value Init(napi_env env, napi_value exports) 
{ 
  // 模块TestEntryA定义 
  std::string class_name = "TestEntryA"; 
  napi_property_descriptor desc[] = {{"sum1", nullptr, Sum1, nullptr, nullptr, nullptr, napi_static, nullptr}, 
{"sum2", nullptr, Sum2, nullptr, nullptr, nullptr, napi_static, nullptr}}; 
napi_value defined_class = nullptr; 
napi_define_class(env, class_name.c_str(), class_name.length(), Constructor, nullptr, 2, desc, &defined_class); 
// 模块TestEntryB定义 
std::string class_nameB = "TestEntryB"; 
napi_property_descriptor descB[] = {{"sum3", nullptr, Sum3, nullptr, nullptr, nullptr, napi_static, nullptr}, 
{"sum4", nullptr, Sum4, nullptr, nullptr, nullptr, napi_static, nullptr}}; 
napi_value defined_classB = nullptr; 
napi_define_class(env, class_nameB.c_str(), class_nameB.length(), Constructor, nullptr, 2, descB, &defined_classB); 
 
const napi_property_descriptor exports_desc[] = { 
  {class_name.c_str(), nullptr, nullptr, nullptr, nullptr, defined_class, napi_default, nullptr}, 
{class_nameB.c_str(), nullptr, nullptr, nullptr, nullptr, defined_classB, napi_default, nullptr}}; 
napi_define_properties(env, exports, 2, exports_desc); 
return exports; 
} 
// index.d.ts导出 
export declare class TestEntryA { 
  static sum1 (a: number, b: number) : number; 
  static sum2 (a: number, b: number) : number; 
} 
export declare class TestEntryB { 
  static sum3 (a: number, b: number) : number; 
  static sum4 (a: number, b: number) : number; 
} 
// ArkTS使用 
import {TestEntryA, TestEntryB} from 'libentry.so'; 
TestEntryA.sum1(2, 3); 
TestEntryB.sum3(2, 3);