diff --git a/assets/locales/en_us.json b/assets/locales/en_us.json
index 7195ce5..f5f0711 100644
--- a/assets/locales/en_us.json
+++ b/assets/locales/en_us.json
@@ -228,6 +228,8 @@
   "realmDescription": "Description",
   "realmPublic": "Public Realm",
   "realmCommunity": "Community Realm",
+  "realmAvatar": "Realm avatar",
+  "realmBanner": "Realm banner",
   "realmDetail": "Realm detail",
   "realmMember": "Realm member",
   "realmMembers": "Realm members",
diff --git a/assets/locales/zh_cn.json b/assets/locales/zh_cn.json
index 844f8ec..5cb69fa 100644
--- a/assets/locales/zh_cn.json
+++ b/assets/locales/zh_cn.json
@@ -229,6 +229,8 @@
   "realmDescription": "领域简介",
   "realmPublic": "公开领域",
   "realmCommunity": "社区领域",
+  "realmAvatar": "领域头像",
+  "realmBanner": "领域横幅",
   "realmDetail": "领域详情",
   "realmMember": "领域成员",
   "realmMembers": "领域成员",
diff --git a/lib/router.dart b/lib/router.dart
index d74594f..15d8849 100644
--- a/lib/router.dart
+++ b/lib/router.dart
@@ -5,7 +5,7 @@ import 'package:solian/models/realm.dart';
 import 'package:solian/screens/about.dart';
 import 'package:solian/screens/account.dart';
 import 'package:solian/screens/account/friend.dart';
-import 'package:solian/screens/account/personalize.dart';
+import 'package:solian/screens/account/profile_edit.dart';
 import 'package:solian/screens/account/profile_page.dart';
 import 'package:solian/screens/auth/signin.dart';
 import 'package:solian/screens/auth/signup.dart';
diff --git a/lib/screens/account/personalize.dart b/lib/screens/account/profile_edit.dart
similarity index 100%
rename from lib/screens/account/personalize.dart
rename to lib/screens/account/profile_edit.dart
diff --git a/lib/screens/channel/channel_detail.dart b/lib/screens/channel/channel_detail.dart
index 375df02..df8a557 100644
--- a/lib/screens/channel/channel_detail.dart
+++ b/lib/screens/channel/channel_detail.dart
@@ -114,7 +114,7 @@ class _ChannelDetailScreenState extends State<ChannelDetailScreen> {
       ListTile(
         leading: const Icon(Icons.settings),
         trailing: const Icon(Icons.chevron_right),
-        title: Text('channelSettings'.tr.capitalize!),
+        title: Text('channelSettings'.tr),
         onTap: () async {
           AppRouter.instance
               .pushNamed(
@@ -173,7 +173,7 @@ class _ChannelDetailScreenState extends State<ChannelDetailScreen> {
             children: [
               ListTile(
                 leading: const Icon(Icons.notifications_active),
-                title: Text('channelNotifyLevel'.tr.capitalize!),
+                title: Text('channelNotifyLevel'.tr),
                 trailing: DropdownButtonHideUnderline(
                   child: DropdownButton2<int>(
                     isExpanded: true,
@@ -208,7 +208,7 @@ class _ChannelDetailScreenState extends State<ChannelDetailScreen> {
               ListTile(
                 leading: const Icon(Icons.supervisor_account),
                 trailing: const Icon(Icons.chevron_right),
-                title: Text('channelMembers'.tr.capitalize!),
+                title: Text('channelMembers'.tr),
                 onTap: () => showMemberList(),
               ),
               ...(_isOwned ? ownerActions : List.empty()),
diff --git a/lib/screens/channel/channel_organize.dart b/lib/screens/channel/channel_organize.dart
index 36263be..0ecf9d9 100644
--- a/lib/screens/channel/channel_organize.dart
+++ b/lib/screens/channel/channel_organize.dart
@@ -97,6 +97,14 @@ class _ChannelOrganizeScreenState extends State<ChannelOrganizeScreen> {
     super.initState();
   }
 
+  @override
+  void dispose() {
+    _aliasController.dispose();
+    _nameController.dispose();
+    _descriptionController.dispose();
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     final notifyBannerActions = [
diff --git a/lib/screens/realms.dart b/lib/screens/realms.dart
index 96a5e75..ab5d5eb 100644
--- a/lib/screens/realms.dart
+++ b/lib/screens/realms.dart
@@ -7,10 +7,13 @@ import 'package:solian/providers/auth.dart';
 import 'package:solian/providers/content/realm.dart';
 import 'package:solian/router.dart';
 import 'package:solian/screens/account/notification.dart';
+import 'package:solian/services.dart';
 import 'package:solian/theme.dart';
+import 'package:solian/widgets/account/account_avatar.dart';
 import 'package:solian/widgets/account/signin_required_overlay.dart';
 import 'package:solian/widgets/app_bar_leading.dart';
 import 'package:solian/widgets/app_bar_title.dart';
+import 'package:solian/widgets/auto_cache_image.dart';
 import 'package:solian/widgets/current_state_action.dart';
 import 'package:solian/widgets/sized_container.dart';
 
@@ -128,19 +131,34 @@ class _RealmListScreenState extends State<RealmListScreen> {
                   children: [
                     Container(
                       color: Theme.of(context).colorScheme.surfaceContainer,
+                      child: (element.banner?.isEmpty ?? true)
+                          ? const SizedBox.shrink()
+                          : AutoCacheImage(
+                              ServiceFinder.buildUrl(
+                                'uc',
+                                '/attachments/${element.banner}',
+                              ),
+                              fit: BoxFit.cover,
+                            ),
                     ),
-                    const Positioned(
+                    Positioned(
                       bottom: -30,
                       left: 18,
-                      child: CircleAvatar(
-                        radius: 24,
-                        backgroundColor: Colors.indigo,
-                        child: FaIcon(
-                          FontAwesomeIcons.globe,
-                          color: Colors.white,
-                          size: 18,
-                        ),
-                      ),
+                      child: (element.avatar?.isEmpty ?? true)
+                          ? CircleAvatar(
+                              radius: 24,
+                              backgroundColor:
+                                  Theme.of(context).colorScheme.primary,
+                              child: const FaIcon(
+                                FontAwesomeIcons.globe,
+                                color: Colors.white,
+                                size: 18,
+                              ),
+                            )
+                          : AccountAvatar(
+                              content: element.avatar!,
+                              bgColor: Theme.of(context).colorScheme.primary,
+                            ),
                     ),
                   ],
                 ),
diff --git a/lib/screens/realms/realm_detail.dart b/lib/screens/realms/realm_detail.dart
index ee5b899..7132e41 100644
--- a/lib/screens/realms/realm_detail.dart
+++ b/lib/screens/realms/realm_detail.dart
@@ -69,7 +69,8 @@ class _RealmDetailScreenState extends State<RealmDetailScreen> {
       ListTile(
         leading: const Icon(Icons.settings),
         trailing: const Icon(Icons.chevron_right),
-        title: Text('realmSettings'.tr.capitalize!),
+        title: Text('realmSettings'.tr),
+        contentPadding: const EdgeInsets.symmetric(horizontal: 24),
         onTap: () async {
           AppRouter.instance
               .pushNamed(
@@ -120,14 +121,16 @@ class _RealmDetailScreenState extends State<RealmDetailScreen> {
           child: ListView(
             children: [
               ListTile(
+                contentPadding: const EdgeInsets.symmetric(horizontal: 24),
                 leading: const Icon(Icons.supervisor_account),
                 trailing: const Icon(Icons.chevron_right),
-                title: Text('realmMembers'.tr.capitalize!),
+                title: Text('realmMembers'.tr),
                 onTap: () => showMemberList(),
               ),
               ...(_isOwned ? ownerActions : List.empty()),
               const Divider(thickness: 0.3),
               ListTile(
+                contentPadding: const EdgeInsets.symmetric(horizontal: 24),
                 leading: _isOwned
                     ? const Icon(Icons.delete)
                     : const Icon(Icons.exit_to_app),
diff --git a/lib/screens/realms/realm_organize.dart b/lib/screens/realms/realm_organize.dart
index eba450b..85f2786 100644
--- a/lib/screens/realms/realm_organize.dart
+++ b/lib/screens/realms/realm_organize.dart
@@ -1,9 +1,15 @@
+import 'dart:io';
+
 import 'package:flutter/material.dart';
 import 'package:flutter_animate/flutter_animate.dart';
 import 'package:get/get.dart';
+import 'package:image_cropper/image_cropper.dart';
+import 'package:image_picker/image_picker.dart';
 import 'package:solian/exts.dart';
+import 'package:solian/models/attachment.dart';
 import 'package:solian/models/realm.dart';
 import 'package:solian/providers/auth.dart';
+import 'package:solian/providers/content/attachment.dart';
 import 'package:solian/router.dart';
 import 'package:solian/theme.dart';
 import 'package:solian/widgets/app_bar_leading.dart';
@@ -29,17 +35,19 @@ class _RealmOrganizeScreenState extends State<RealmOrganizeScreen> {
   bool _isBusy = false;
 
   final _aliasController = TextEditingController();
+  final _avatarController = TextEditingController();
+  final _bannerController = TextEditingController();
   final _nameController = TextEditingController();
   final _descriptionController = TextEditingController();
 
   bool _isCommunity = false;
   bool _isPublic = false;
 
-  void applyRealm() async {
+  void _applyRealm() async {
     final AuthProvider auth = Get.find();
     if (auth.isAuthorized.isFalse) return;
 
-    if (_aliasController.value.text.isEmpty) randomizeAlias();
+    if (_aliasController.value.text.isEmpty) _randomizeAlias();
 
     setState(() => _isBusy = true);
 
@@ -49,6 +57,8 @@ class _RealmOrganizeScreenState extends State<RealmOrganizeScreen> {
       'alias': _aliasController.value.text.toLowerCase(),
       'name': _nameController.value.text,
       'description': _descriptionController.value.text,
+      'avatar': _avatarController.value.text,
+      'banner': _bannerController.value.text,
       'is_public': _isPublic,
       'is_community': _isCommunity,
     };
@@ -68,31 +78,110 @@ class _RealmOrganizeScreenState extends State<RealmOrganizeScreen> {
     setState(() => _isBusy = false);
   }
 
-  void randomizeAlias() {
+  final _imagePicker = ImagePicker();
+
+  Future<void> _editImage(String position) async {
+    final AuthProvider auth = Get.find();
+    if (auth.isAuthorized.isFalse) return;
+
+    final image = await _imagePicker.pickImage(source: ImageSource.gallery);
+    if (image == null) return;
+
+    CroppedFile? croppedFile = await ImageCropper().cropImage(
+      sourcePath: image.path,
+      uiSettings: [
+        AndroidUiSettings(
+          toolbarTitle: 'cropImage'.tr,
+          toolbarColor: Theme.of(context).colorScheme.primary,
+          toolbarWidgetColor: Theme.of(context).colorScheme.onPrimary,
+          aspectRatioPresets: [
+            if (position == 'avatar') CropAspectRatioPreset.square,
+            if (position == 'banner') _BannerCropAspectRatioPreset(),
+          ],
+        ),
+        IOSUiSettings(
+          title: 'cropImage'.tr,
+          aspectRatioPresets: [
+            if (position == 'avatar') CropAspectRatioPreset.square,
+            if (position == 'banner') _BannerCropAspectRatioPreset(),
+          ],
+        ),
+        WebUiSettings(
+          context: context,
+        ),
+      ],
+    );
+
+    if (croppedFile == null) return;
+    final file = File(croppedFile.path);
+
+    setState(() => _isBusy = true);
+
+    final AttachmentProvider attach = Get.find();
+
+    Attachment? attachResult;
+    try {
+      attachResult = await attach.createAttachmentDirectly(
+        await file.readAsBytes(),
+        file.path,
+        'avatar',
+        null,
+      );
+    } catch (e) {
+      setState(() => _isBusy = false);
+      context.showErrorDialog(e);
+      return;
+    }
+
+    switch (position) {
+      case 'avatar':
+        _avatarController.text = attachResult.rid;
+        break;
+      case 'banner':
+        _bannerController.text = attachResult.rid;
+        break;
+    }
+
+    setState(() => _isBusy = false);
+  }
+
+  void _randomizeAlias() {
     _aliasController.text =
         const Uuid().v4().replaceAll('-', '').substring(0, 12);
   }
 
-  void syncWidget() {
+  void _syncWidget() {
     if (widget.edit != null) {
       _aliasController.text = widget.edit!.alias;
       _nameController.text = widget.edit!.name;
       _descriptionController.text = widget.edit!.description;
+      _avatarController.text = widget.edit!.avatar ?? '';
+      _bannerController.text = widget.edit!.banner ?? '';
       _isPublic = widget.edit!.isPublic;
       _isCommunity = widget.edit!.isCommunity;
     }
   }
 
-  void cancelAction() {
+  void _cancelAction() {
     AppRouter.instance.pop();
   }
 
   @override
   void initState() {
-    syncWidget();
+    _syncWidget();
     super.initState();
   }
 
+  @override
+  void dispose() {
+    _aliasController.dispose();
+    _avatarController.dispose();
+    _bannerController.dispose();
+    _nameController.dispose();
+    _descriptionController.dispose();
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return Material(
@@ -105,7 +194,7 @@ class _RealmOrganizeScreenState extends State<RealmOrganizeScreen> {
           toolbarHeight: AppTheme.toolbarHeight(context),
           actions: [
             TextButton(
-              onPressed: _isBusy ? null : () => applyRealm(),
+              onPressed: _isBusy ? null : () => _applyRealm(),
               child: Text('apply'.tr.toUpperCase()),
             )
           ],
@@ -126,7 +215,7 @@ class _RealmOrganizeScreenState extends State<RealmOrganizeScreen> {
                   ),
                   actions: [
                     TextButton(
-                      onPressed: cancelAction,
+                      onPressed: _cancelAction,
                       child: Text('cancel'.tr),
                     ),
                   ],
@@ -150,7 +239,7 @@ class _RealmOrganizeScreenState extends State<RealmOrganizeScreen> {
                       visualDensity:
                           const VisualDensity(horizontal: -2, vertical: -2),
                     ),
-                    onPressed: () => randomizeAlias(),
+                    onPressed: () => _randomizeAlias(),
                     child: const Icon(Icons.refresh),
                   )
                 ],
@@ -166,6 +255,55 @@ class _RealmOrganizeScreenState extends State<RealmOrganizeScreen> {
                     FocusManager.instance.primaryFocus?.unfocus(),
               ).paddingSymmetric(horizontal: 16, vertical: 8),
               const Divider(thickness: 0.3),
+              Row(
+                children: [
+                  Expanded(
+                    child: TextField(
+                      autofocus: true,
+                      controller: _avatarController,
+                      decoration: InputDecoration.collapsed(
+                        hintText: 'realmAvatar'.tr,
+                      ),
+                      onTapOutside: (_) =>
+                          FocusManager.instance.primaryFocus?.unfocus(),
+                    ),
+                  ),
+                  TextButton(
+                    style: TextButton.styleFrom(
+                      shape: const CircleBorder(),
+                      visualDensity:
+                          const VisualDensity(horizontal: -2, vertical: -2),
+                    ),
+                    onPressed: _isBusy ? null : () => _editImage('avatar'),
+                    child: const Icon(Icons.upload),
+                  )
+                ],
+              ).paddingSymmetric(horizontal: 16, vertical: 2),
+              Row(
+                children: [
+                  Expanded(
+                    child: TextField(
+                      autofocus: true,
+                      controller: _bannerController,
+                      decoration: InputDecoration.collapsed(
+                        hintText: 'realmBanner'.tr,
+                      ),
+                      onTapOutside: (_) =>
+                          FocusManager.instance.primaryFocus?.unfocus(),
+                    ),
+                  ),
+                  TextButton(
+                    style: TextButton.styleFrom(
+                      shape: const CircleBorder(),
+                      visualDensity:
+                          const VisualDensity(horizontal: -2, vertical: -2),
+                    ),
+                    onPressed: _isBusy ? null : () => _editImage('banner'),
+                    child: const Icon(Icons.upload),
+                  )
+                ],
+              ).paddingSymmetric(horizontal: 16, vertical: 2),
+              const Divider(thickness: 0.3),
               Expanded(
                 child: TextField(
                   minLines: 5,
@@ -202,3 +340,11 @@ class _RealmOrganizeScreenState extends State<RealmOrganizeScreen> {
     );
   }
 }
+
+class _BannerCropAspectRatioPreset extends CropAspectRatioPresetData {
+  @override
+  (int, int)? get data => (16, 7);
+
+  @override
+  String get name => '16x7';
+}
diff --git a/lib/widgets/navigation/app_navigation_region.dart b/lib/widgets/navigation/app_navigation_region.dart
index 0a09db7..ef88360 100644
--- a/lib/widgets/navigation/app_navigation_region.dart
+++ b/lib/widgets/navigation/app_navigation_region.dart
@@ -6,7 +6,9 @@ import 'package:solian/providers/auth.dart';
 import 'package:solian/providers/content/channel.dart';
 import 'package:solian/providers/content/realm.dart';
 import 'package:solian/providers/navigation.dart';
+import 'package:solian/services.dart';
 import 'package:solian/widgets/account/account_avatar.dart';
+import 'package:solian/widgets/auto_cache_image.dart';
 import 'package:solian/widgets/channel/channel_list.dart';
 
 class AppNavigationRegion extends StatefulWidget {
@@ -169,6 +171,19 @@ class _AppNavigationRegionState extends State<AppNavigationRegion> {
                   )
             : Column(
                 children: [
+                  if (!widget.isCollapsed &&
+                      (navState.focusedRealm.value!.banner?.isNotEmpty ??
+                          false))
+                    AspectRatio(
+                      aspectRatio: 16 / 7,
+                      child: AutoCacheImage(
+                        ServiceFinder.buildUrl(
+                          'uc',
+                          '/attachments/${navState.focusedRealm.value!.banner}',
+                        ),
+                        fit: BoxFit.cover,
+                      ),
+                    ),
                   if (widget.isCollapsed)
                     Tooltip(
                       message: navState.focusedRealm.value!.name,