diff --git a/src/modules/demo/service/i18n.ts b/src/modules/demo/service/i18n.ts
new file mode 100644
index 0000000..f532150
--- /dev/null
+++ b/src/modules/demo/service/i18n.ts
@@ -0,0 +1,29 @@
+import { Inject, Provide } from '@midwayjs/core';
+import { BaseTranslateService } from '../../base/service/translate';
+
+/**
+ * 国际化服务
+ */
+@Provide()
+export class DemoI18nService {
+  @Inject()
+  translate: BaseTranslateService;
+
+  /**
+   * 翻译成英文
+   */
+  async en() {
+    const value = this.translate.comm('一个很Cool的框架')['en'];
+    console.log(value);
+    return value;
+  }
+
+  /**
+   * 翻译成繁体
+   */
+  async tw() {
+    const value = this.translate.comm('一个很Cool的框架')['zh-tw'];
+    console.log(value);
+    return value;
+  }
+}