diff --git a/src/plain-text/MainPage.ts b/src/plain-text/MainPage.ts
new file mode 100644
index 0000000..c907ec3
--- /dev/null
+++ b/src/plain-text/MainPage.ts
@@ -0,0 +1,41 @@
+export interface MainPageText {
+  mainTitleLine: string;
+  subTitleLine: string;
+  cardTitle: {
+    dutyInfo: string;
+    stepInfo: string;
+    tipsInfo: string;
+  };
+  expandTitle: {
+    stepInfo: string;
+    tipsInfo: string;
+  };
+  stepList: Array<{ title: string }>;
+  tipsList: Array<{ title: string }>;
+}
+
+export const mainPageZhCn: MainPageText = {
+  mainTitleLine: '您好，这里是E志者协会。',
+  subTitleLine: '维修请移步`东三-204`实验室。',
+  cardTitle: {
+    dutyInfo: '204值班情况',
+    stepInfo: '维修步骤',
+    tipsInfo: '注意事项',
+  },
+  expandTitle: {
+    stepInfo: '查看维修步骤',
+    tipsInfo: '查看注意事项',
+  },
+  stepList: [
+    { title: '线上填写工单' },
+    { title: '去`东三-204`实验室维修电脑' },
+    { title: '等待电脑维修' },
+    { title: '维修结束，取回电脑' },
+  ],
+  tipsList: [
+    { title: '戴尔、Surface、外星人、苹果电脑不能拆机哦~' },
+    { title: '数据无价，请随时做好数据备份哦~' },
+    { title: '204也是实验室，请遵守实验室纪律，请勿饮食~' },
+    { title: '我们是志愿服务，不收任何礼物哦~' },
+  ],
+};
diff --git a/src/plain-text/PageFooter.ts b/src/plain-text/PageFooter.ts
new file mode 100644
index 0000000..ac20e88
--- /dev/null
+++ b/src/plain-text/PageFooter.ts
@@ -0,0 +1,7 @@
+export interface PageFooterText {
+  dividerText: string;
+}
+
+export const pageFooterZhCn: PageFooterText = {
+  dividerText: 'EVA Notify',
+};
diff --git a/src/plain-text/index.ts b/src/plain-text/index.ts
new file mode 100644
index 0000000..bb3fdea
--- /dev/null
+++ b/src/plain-text/index.ts
@@ -0,0 +1,40 @@
+import { PageFooterText, pageFooterZhCn } from './PageFooter';
+import { MainPageText, mainPageZhCn } from './MainPage';
+
+interface TextRecord {
+  pageFooter: PageFooterText;
+  mainPage: MainPageText;
+}
+
+const textZhCn: TextRecord = {
+  pageFooter: pageFooterZhCn,
+  mainPage: mainPageZhCn,
+};
+
+// type Lang = 'zh_CN' | 'en_US' | ...;
+type Lang = 'zh_CN';
+
+class PlainText {
+  private readonly textZhCn: TextRecord;
+  private lang: Lang;
+
+  constructor() {
+    this.textZhCn = textZhCn;
+    this.lang = 'zh_CN';
+  }
+
+  setLang(lang: Lang) {
+    this.lang = lang;
+  }
+
+  get(): TextRecord {
+    if (this.lang == 'zh_CN') {
+      return this.textZhCn;
+    }
+    return this.textZhCn;
+  }
+}
+
+const pt = new PlainText();
+
+export default pt;