diff --git a/assets/translations/en.json b/assets/translations/en.json
index 4e983bd..ef7501b 100644
--- a/assets/translations/en.json
+++ b/assets/translations/en.json
@@ -99,6 +99,10 @@
   "publishersNew": "New Publisher",
   "publisherNewSubtitle": "Create a new publisher identity.",
   "publisherSyncWithAccount": "Sync with account",
+  "publisherTotalUpvote": "Upvote",
+  "publisherTotalDownvote": "Downvote",
+  "publisherSocialPoint": "Social Point",
+  "publisherJoinedAt": "Joined At",
   "fieldPublisherBelongToRealm": "Belongs to",
   "fieldPublisherBelongToRealmUnset": "Unset Publisher Belongs to Realm",
   "writePostTypeStory": "Post a story",
diff --git a/assets/translations/zh.json b/assets/translations/zh.json
index 3a7459a..6baabb4 100644
--- a/assets/translations/zh.json
+++ b/assets/translations/zh.json
@@ -99,6 +99,10 @@
   "publishersNew": "新发布者",
   "publisherNewSubtitle": "创建一个新的公共身份。",
   "publisherSyncWithAccount": "同步账户信息",
+  "publisherTotalUpvote": "总顶数",
+  "publisherTotalDownvote": "总踩数",
+  "publisherSocialPoint": "社会信用点",
+  "publisherJoinedAt": "加入于",
   "fieldPublisherBelongToRealm": "所属领域",
   "fieldPublisherBelongToRealmUnset": "未设置发布者所属领域",
   "writePostTypeStory": "发动态",
diff --git a/lib/widgets/post/post_item.dart b/lib/widgets/post/post_item.dart
index a575e67..625c822 100644
--- a/lib/widgets/post/post_item.dart
+++ b/lib/widgets/post/post_item.dart
@@ -2,6 +2,7 @@ import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
 import 'package:material_symbols_icons/symbols.dart';
+import 'package:popover/popover.dart';
 import 'package:provider/provider.dart';
 import 'package:relative_time/relative_time.dart';
 import 'package:styled_widget/styled_widget.dart';
@@ -15,6 +16,7 @@ import 'package:surface/widgets/markdown_content.dart';
 import 'package:gap/gap.dart';
 import 'package:surface/widgets/post/post_comment_list.dart';
 import 'package:surface/widgets/post/post_reaction.dart';
+import 'package:surface/widgets/post/publisher_popover.dart';
 
 class PostItem extends StatelessWidget {
   final SnPost data;
@@ -264,9 +266,27 @@ class _PostContentHeader extends StatelessWidget {
 
     return Row(
       children: [
-        AccountImage(
-          content: data.publisher.avatar,
-          radius: isCompact ? 12 : 20,
+        GestureDetector(
+          child: AccountImage(
+            content: data.publisher.avatar,
+            radius: isCompact ? 12 : 20,
+          ),
+          onTap: () {
+            showPopover(
+              context: context,
+              transition: PopoverTransition.other,
+              bodyBuilder: (context) => SizedBox(
+                width: 400,
+                child: PublisherPopoverCard(
+                  data: data.publisher,
+                ).padding(horizontal: 16, vertical: 16),
+              ),
+              direction: PopoverDirection.bottom,
+              arrowHeight: 5,
+              arrowWidth: 15,
+              arrowDxOffset: -190,
+            );
+          },
         ),
         Gap(isCompact ? 8 : 12),
         if (isCompact)
diff --git a/lib/widgets/post/publisher_popover.dart b/lib/widgets/post/publisher_popover.dart
new file mode 100644
index 0000000..29dd7a1
--- /dev/null
+++ b/lib/widgets/post/publisher_popover.dart
@@ -0,0 +1,99 @@
+import 'package:easy_localization/easy_localization.dart';
+import 'package:flutter/material.dart';
+import 'package:gap/gap.dart';
+import 'package:material_symbols_icons/symbols.dart';
+import 'package:styled_widget/styled_widget.dart';
+import 'package:surface/types/post.dart';
+import 'package:surface/widgets/account/account_image.dart';
+
+class PublisherPopoverCard extends StatelessWidget {
+  final SnPublisher data;
+  const PublisherPopoverCard({super.key, required this.data});
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      mainAxisSize: MainAxisSize.min,
+      children: [
+        Row(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            AccountImage(
+              content: data.avatar,
+              radius: 20,
+            ),
+            Gap(16),
+            Expanded(
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                mainAxisSize: MainAxisSize.min,
+                children: [
+                  Text(data.nick).bold(),
+                  Text('@${data.name}').fontSize(13).opacity(0.75),
+                ],
+              ),
+            ),
+            IconButton(
+              onPressed: () {},
+              icon: const Icon(Symbols.chevron_right),
+              padding: EdgeInsets.zero,
+              visualDensity: const VisualDensity(horizontal: -4, vertical: -4),
+            ),
+            const Gap(8)
+          ],
+        ),
+        const Gap(16),
+        Row(
+          children: [
+            Expanded(
+              child: Column(
+                mainAxisSize: MainAxisSize.min,
+                crossAxisAlignment: CrossAxisAlignment.center,
+                children: [
+                  Text('publisherSocialPoint').tr().fontSize(13).opacity(0.75),
+                  Text((data.totalUpvote - data.totalDownvote).toString()),
+                ],
+              ),
+            ),
+            SizedBox(
+              height: 20,
+              child: const VerticalDivider(
+                thickness: 1,
+              ),
+            ).padding(horizontal: 8),
+            Expanded(
+              child: Column(
+                mainAxisSize: MainAxisSize.min,
+                crossAxisAlignment: CrossAxisAlignment.center,
+                children: [
+                  Text('publisherTotalUpvote').tr().fontSize(13).opacity(0.75),
+                  Text(data.totalUpvote.toString()),
+                ],
+              ),
+            ),
+            SizedBox(
+              height: 20,
+              child: const VerticalDivider(
+                thickness: 1,
+              ),
+            ).padding(horizontal: 8),
+            Expanded(
+              child: Column(
+                mainAxisSize: MainAxisSize.min,
+                crossAxisAlignment: CrossAxisAlignment.center,
+                children: [
+                  Text('publisherTotalDownvote')
+                      .tr()
+                      .fontSize(13)
+                      .opacity(0.75),
+                  Text(data.totalDownvote.toString()),
+                ],
+              ),
+            ),
+          ],
+        ),
+      ],
+    );
+  }
+}
diff --git a/pubspec.lock b/pubspec.lock
index e539341..81a220d 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -1330,6 +1330,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.5.1"
+  popover:
+    dependency: "direct main"
+    description:
+      name: popover
+      sha256: "0606f3e10f92fc0459f5c52fd917738c29e7552323b28694d50c2d3312d0e1a2"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.3.1"
   protobuf:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index 85cad53..51dfa00 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -93,6 +93,7 @@ dependencies:
   wakelock_plus: ^1.2.8
   permission_handler: ^11.3.1
   flutter_staggered_grid_view: ^0.7.0
+  popover: ^0.3.1
 
 dev_dependencies:
   flutter_test: