diff --git a/es/utils/email/index.js b/es/utils/email/index.js
index 62ebb538a..ab7f5ab3f 100644
--- a/es/utils/email/index.js
+++ b/es/utils/email/index.js
@@ -1,7 +1,7 @@
 import { assert } from 'oak-domain/lib/utils/assert';
 import Nodemailer from './node-mailer';
 const EmailDict = {
-    nodemailer: Nodemailer,
+    nodemailer: new Nodemailer(),
 };
 /**
  * 注入一个其它发送邮件类
diff --git a/lib/utils/email/index.js b/lib/utils/email/index.js
index bdb034170..133a7a58c 100644
--- a/lib/utils/email/index.js
+++ b/lib/utils/email/index.js
@@ -5,7 +5,8 @@ const tslib_1 = require("tslib");
 const assert_1 = require("oak-domain/lib/utils/assert");
 const node_mailer_1 = tslib_1.__importDefault(require("./node-mailer"));
 const EmailDict = {
-    nodemailer: node_mailer_1.default,
+    nodemailer: new node_mailer_1.default(),
+    
 };
 /**
  * 注入一个其它发送邮件类
diff --git a/src/utils/email/index.ts b/src/utils/email/index.ts
index 635f91c9c..f6482956e 100644
--- a/src/utils/email/index.ts
+++ b/src/utils/email/index.ts
@@ -6,7 +6,7 @@ import Email, { EmailOptions } from '../../types/Email';
 import Nodemailer from './node-mailer';
 
 const EmailDict: Record<string, any> = {
-    nodemailer: Nodemailer,
+    nodemailer: new Nodemailer(),
 };
 
 /**