diff --git a/src/pages/index/index.tsx b/src/pages/index/index.tsx
index 0015089..a9a6d2f 100644
--- a/src/pages/index/index.tsx
+++ b/src/pages/index/index.tsx
@@ -24,8 +24,6 @@ function mainPageCard(c: CardContent): JSX.Element {
   );
 }
 
-type DutyState = 'off' | '1' | '2' | '3';
-
 class DutyData {
   constructor() {
     this.isInDuty = false;
@@ -37,9 +35,9 @@ class DutyData {
 
   isInDuty: boolean;
   inDutyCnt: number;
-  currentDuty: DutyState;
-  offDutyReason: string;
-  dutyRecoverTime: string;
+  currentDuty: 'off' | '1' | '2' | '3';
+  offDutyReason: string; // from backend
+  dutyRecoverTime: string; // from backend
 }
 
 class ExpandItem extends Component {
@@ -77,22 +75,24 @@ class DutyInfo extends Component {
 
   offDutyContent(): ReactNode {
     const data = this.props.data;
+    const od = pt.get().mainPage.dutyCard.offDuty;
     return (
       <View>
-        <View>当前未值班</View>
-        <View>{data.offDutyReason}</View>
-        <View>恢复值班时间：{data.dutyRecoverTime}</View>
+        <View>{od.title}</View>
+        <View>{od.reason(data.offDutyReason)}</View>
+        <View>{od.recoverTime(data.dutyRecoverTime)}</View>
       </View>
     );
   }
 
   inDutyContent(): ReactNode {
     const data = this.props.data;
+    const id = pt.get().mainPage.dutyCard.inDuty;
     return (
       <View>
-        <View>值班中</View>
-        <View>当前班次 {data.currentDuty}</View>
-        <View>当前{data.inDutyCnt}人在岗</View>
+        <View>{id.title}</View>
+        <View>{id.currentDutyText(data.currentDuty)}</View>
+        <View>{id.inDutyCnt(data.inDutyCnt)}</View>
       </View>
     );
   }
diff --git a/src/plain-text/MainPage.ts b/src/plain-text/MainPage.ts
index c907ec3..584b483 100644
--- a/src/plain-text/MainPage.ts
+++ b/src/plain-text/MainPage.ts
@@ -12,6 +12,19 @@ export interface MainPageText {
   };
   stepList: Array<{ title: string }>;
   tipsList: Array<{ title: string }>;
+
+  dutyCard: {
+    offDuty: {
+      title: string;
+      reason: (s: string) => string;
+      recoverTime: (t: string) => string;
+    };
+    inDuty: {
+      title: string;
+      currentDutyText: (c: 'off' | '1' | '2' | '3') => string;
+      inDutyCnt: (n: number) => string;
+    };
+  };
 }
 
 export const mainPageZhCn: MainPageText = {
@@ -38,4 +51,27 @@ export const mainPageZhCn: MainPageText = {
     { 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~' },
   ],
+  dutyCard: {
+    offDuty: {
+      title: '未值班',
+      reason: s => '值班停止原因：' + s,
+      recoverTime: t => '恢复值班时间：' + t,
+    },
+    inDuty: {
+      title: '值班中',
+      currentDutyText: c => {
+        switch (c) {
+          case 'off':
+            return '当前未值班';
+          case '1':
+            return '第一班 13:30-16:00';
+          case '2':
+            return '第二班 16:00-18:00';
+          case '3':
+            return '第三班 18:00-20:30';
+        }
+      },
+      inDutyCnt: n => '当前值班人数：' + n,
+    },
+  },
 };