diff --git a/lib/screens/explore.dart b/lib/screens/explore.dart
index 096f8a7..bf4e808 100644
--- a/lib/screens/explore.dart
+++ b/lib/screens/explore.dart
@@ -193,10 +193,7 @@ class ActivityListNotifier extends _$ActivityListNotifier
 
     final response = await client.get(
       '/activities',
-      queryParameters: {
-        if (cursor != null) 'reading_cursor': cursor,
-        'take': take,
-      },
+      queryParameters: {if (cursor != null) 'cursor': cursor, 'take': take},
     );
 
     final List<SnActivity> items =
@@ -206,7 +203,12 @@ class ActivityListNotifier extends _$ActivityListNotifier
 
     final hasMore = (items.firstOrNull?.type ?? 'empty') != 'empty';
     final nextCursor =
-        items.map((x) => x.createdAt).lastOrNull?.toIso8601String().toString();
+        items
+            .map((x) => x.createdAt)
+            .lastOrNull
+            ?.toUtc()
+            .toIso8601String()
+            .toString();
 
     return CursorPagingData(
       items: items,
diff --git a/lib/screens/explore.g.dart b/lib/screens/explore.g.dart
index 1020078..bfda7ef 100644
--- a/lib/screens/explore.g.dart
+++ b/lib/screens/explore.g.dart
@@ -7,7 +7,7 @@ part of 'explore.dart';
 // **************************************************************************
 
 String _$activityListNotifierHash() =>
-    r'2ca8fe14686d7f4fb09ab26f2978eb2de7184565';
+    r'1ac57c33c7a65700116a9698209f52cd4be932cc';
 
 /// See also [ActivityListNotifier].
 @ProviderFor(ActivityListNotifier)
diff --git a/lib/widgets/account/account_pfc.dart b/lib/widgets/account/account_pfc.dart
new file mode 100644
index 0000000..5c5c88a
--- /dev/null
+++ b/lib/widgets/account/account_pfc.dart
@@ -0,0 +1,130 @@
+import 'dart:math' as math;
+
+import 'package:easy_localization/easy_localization.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_popup_card/flutter_popup_card.dart';
+import 'package:gap/gap.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:island/screens/account/profile.dart';
+import 'package:island/widgets/account/account_name.dart';
+import 'package:island/widgets/account/badge.dart';
+import 'package:island/widgets/account/leveling_progress.dart';
+import 'package:island/widgets/account/status.dart';
+import 'package:island/widgets/content/cloud_files.dart';
+import 'package:island/widgets/response.dart';
+import 'package:styled_widget/styled_widget.dart';
+
+class AccountProfileCard extends HookConsumerWidget {
+  final String uname;
+  const AccountProfileCard({super.key, required this.uname});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final account = ref.watch(accountProvider(uname));
+    final width =
+        math.max(MediaQuery.of(context).size.width - 80, 360).toDouble();
+    return PopupCard(
+      elevation: 8,
+      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12.0)),
+      child: SizedBox(
+        width: width,
+        child: account.when(
+          data:
+              (data) => Column(
+                mainAxisSize: MainAxisSize.min,
+                crossAxisAlignment: CrossAxisAlignment.stretch,
+                children: [
+                  ClipRRect(
+                    borderRadius: const BorderRadius.vertical(
+                      top: Radius.circular(12),
+                    ),
+                    child: AspectRatio(
+                      aspectRatio: 16 / 9,
+                      child: CloudImageWidget(file: data.profile.background),
+                    ),
+                  ),
+                  Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Row(
+                        children: [
+                          ProfilePictureWidget(file: data.profile.picture),
+                          const Gap(12),
+                          Expanded(
+                            child: Column(
+                              crossAxisAlignment: CrossAxisAlignment.start,
+                              children: [
+                                AccountName(
+                                  account: data,
+                                  style: TextStyle(fontWeight: FontWeight.bold),
+                                ),
+                                Text('@${data.name}').fontSize(12),
+                              ],
+                            ),
+                          ),
+                        ],
+                      ),
+                      const Gap(12),
+                      AccountStatusWidget(
+                        uname: data.name,
+                        padding: EdgeInsets.zero,
+                      ),
+                      if (data.badges.isNotEmpty)
+                        BadgeList(badges: data.badges).padding(top: 12),
+                      LevelingProgressCard(
+                        level: data.profile.level,
+                        experience: data.profile.experience,
+                        progress: data.profile.levelingProgress,
+                      ).padding(top: 12),
+                    ],
+                  ).padding(horizontal: 24, vertical: 16),
+                ],
+              ),
+          error:
+              (err, _) => ResponseErrorWidget(
+                error: err,
+                onRetry: () => ref.invalidate(accountProvider(uname)),
+              ),
+          loading:
+              () => Padding(
+                padding: const EdgeInsets.all(24),
+                child: CircularProgressIndicator(),
+              ),
+        ),
+      ),
+    );
+  }
+}
+
+class AccountPfcGestureDetector extends StatelessWidget {
+  final String uname;
+  final Widget child;
+  const AccountPfcGestureDetector({
+    super.key,
+    required this.uname,
+    required this.child,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      child: child,
+      onTapDown: (details) {
+        showAccountProfileCard(context, uname, offset: details.localPosition);
+      },
+    );
+  }
+}
+
+Future<void> showAccountProfileCard(
+  BuildContext context,
+  String uname, {
+  Offset? offset,
+}) async {
+  await showPopupCard<void>(
+    offset: offset ?? Offset.zero,
+    context: context,
+    builder: (context) => AccountProfileCard(uname: uname),
+    dimBackground: true,
+  );
+}
diff --git a/lib/widgets/chat/message_item.dart b/lib/widgets/chat/message_item.dart
index f500fe0..4edcca1 100644
--- a/lib/widgets/chat/message_item.dart
+++ b/lib/widgets/chat/message_item.dart
@@ -10,6 +10,7 @@ import 'package:island/database/message.dart';
 import 'package:island/models/chat.dart';
 import 'package:island/pods/call.dart';
 import 'package:island/screens/chat/room.dart';
+import 'package:island/widgets/account/account_pfc.dart';
 import 'package:island/widgets/app_scaffold.dart';
 import 'package:island/widgets/content/cloud_file_collection.dart';
 import 'package:island/widgets/content/cloud_files.dart';
@@ -129,9 +130,12 @@ class MessageItem extends HookConsumerWidget {
                   spacing: 8,
                   mainAxisSize: MainAxisSize.min,
                   children: [
-                    ProfilePictureWidget(
-                      fileId: sender.account.profile.picture?.id,
-                      radius: 16,
+                    AccountPfcGestureDetector(
+                      uname: sender.account.name,
+                      child: ProfilePictureWidget(
+                        fileId: sender.account.profile.picture?.id,
+                        radius: 16,
+                      ),
                     ),
                     Column(
                       crossAxisAlignment: CrossAxisAlignment.start,