diff --git a/lib/generated/locale_keys.g.dart b/lib/generated/locale_keys.g.dart
index 12839ca3..1de9e689 100644
--- a/lib/generated/locale_keys.g.dart
+++ b/lib/generated/locale_keys.g.dart
@@ -23,6 +23,7 @@ abstract class  LocaleKeys {
   static const SignIn_ErrorFormat = 'SignIn.ErrorFormat';
   static const SignIn = 'SignIn';
   static const SignOut = 'SignOut';
+  static const About = 'About';
   static const Calendar_Calendar = 'Calendar.Calendar';
   static const Calendar_CalendarCardCode = 'Calendar.CalendarCardCode';
   static const Calendar_CalendarCardTime = 'Calendar.CalendarCardTime';
diff --git a/lib/main/drawer.dart b/lib/main/drawer.dart
index e43131cd..36584cef 100644
--- a/lib/main/drawer.dart
+++ b/lib/main/drawer.dart
@@ -2,6 +2,7 @@ import 'package:extended_image/extended_image.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_redux/flutter_redux.dart';
 import 'package:package_info_plus/package_info_plus.dart';
+import 'package:url_launcher/url_launcher.dart';
 
 import '../config.dart';
 import '../global.dart';
@@ -51,6 +52,10 @@ class MainDrawer extends StatelessWidget {
                     RestoreAction(AppState(isInitialized: true)),
                   ),
                 ),
+                ListTile(
+                  title: Text(LocaleKeys.About.tr()),
+                  onTap: () => launch('https://docs.xmux.xdea.io/app/about'),
+                ),
               ],
             ),
           ),
diff --git a/res/translation/en.json b/res/translation/en.json
index 1b7efce7..3aef3802 100644
--- a/res/translation/en.json
+++ b/res/translation/en.json
@@ -23,6 +23,7 @@
     "ErrorFormat": "Invalid format."
   },
   "SignOut": "Sign Out",
+  "About": "About",
   "Calendar": {
     "Calendar": "Calendar",
     "CalendarCardCode": "Code",
diff --git a/res/translation/zh-CN.json b/res/translation/zh-CN.json
index dfbd23a5..c8f6944a 100644
--- a/res/translation/zh-CN.json
+++ b/res/translation/zh-CN.json
@@ -23,6 +23,7 @@
     "ErrorFormat": "格式不正确。"
   },
   "SignOut": "登出",
+  "About": "于",
   "Calendar": {
     "Calendar": "日程",
     "CalendarCardCode": "代号",
diff --git a/res/translation/zh-Hans.json b/res/translation/zh-Hans.json
index dfbd23a5..29e9098e 100644
--- a/res/translation/zh-Hans.json
+++ b/res/translation/zh-Hans.json
@@ -23,6 +23,7 @@
     "ErrorFormat": "格式不正确。"
   },
   "SignOut": "登出",
+  "About": "关于",
   "Calendar": {
     "Calendar": "日程",
     "CalendarCardCode": "代号",