diff --git a/__tests__/invoke.test.js b/__tests__/invoke.test.js
index f8376f49..c5718a85 100644
--- a/__tests__/invoke.test.js
+++ b/__tests__/invoke.test.js
@@ -1,4 +1,4 @@
-const { default: sdk } = require('../dist/index')
+const sdk = require('../dist/index')
 
 sdk.init({
   region: 'ap-guangzhou'
diff --git a/dist/index.d.ts b/dist/index.d.ts
index b8bcf74e..bb768d30 100644
--- a/dist/index.d.ts
+++ b/dist/index.d.ts
@@ -11,4 +11,4 @@ declare class SDK {
     invoke: typeof services.invoke;
 }
 declare const _default: SDK;
-export default _default;
+export = _default;
diff --git a/dist/index.js b/dist/index.js
index 4a752d0f..4532f0aa 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -1,5 +1,4 @@
 "use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
 const services = require("./services");
 const Capi = require("qcloudapi-sdk");
 const util = require("util");
@@ -27,4 +26,4 @@ class SDK {
         this.requestHelper = util.promisify(capi.request.bind(capi));
     }
 }
-exports.default = new SDK();
+module.exports = new SDK();
diff --git a/src/index.ts b/src/index.ts
index e6918396..9bedb9db 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -40,4 +40,4 @@ class SDK {
   invoke = services.invoke
 }
 
-export default new SDK()
+export = new SDK()