diff --git a/web/src/features/groups/GroupDetailColumn.tsx b/web/src/features/groups/GroupDetailColumn.tsx
index ce47638e..fdb842ab 100644
--- a/web/src/features/groups/GroupDetailColumn.tsx
+++ b/web/src/features/groups/GroupDetailColumn.tsx
@@ -171,6 +171,11 @@ export function GroupDetailColumn({ topicId, peerName, onClose, onOpenHistory }:
     onSuccess: (data) => {
       queryClient.setQueryData(['group', topicId], (prev: GroupProfile | undefined) => (prev ? { ...prev, ...data } : data));
       setNameEditing(false);
+      // The renamer's OWN sidebar/header (`contact.public?.fn`, native SDK state) doesn't update from
+      // this REST call either -- only from the `group.profile.updated` push topics.ts now listens for,
+      // which this account won't receive for its own action. Trigger the same SDK-sanctioned refresh
+      // directly instead of waiting on an unconfirmed self-echo of that push.
+      tinode.getTopic(topicId).getMeta(tinode.getTopic(topicId).startMetaQuery().withDesc().build()).catch(() => {});
     },
     onError: (err) => showError(err, '群名保存失败'),
   });
diff --git a/web/src/lib/tinode/topics.ts b/web/src/lib/tinode/topics.ts
index f008d6ad..648eea0c 100644
--- a/web/src/lib/tinode/topics.ts
+++ b/web/src/lib/tinode/topics.ts
@@ -298,6 +298,20 @@ function wireTopicCallbacks(topic: Topic) {
         topic.getMeta(topic.startMetaQuery().withData(seq, seq + 1, 1).build()).catch(() => {});
       }
     }
+    // docs/IM-前后端对接文档.md:1542: `PATCH .../groups/{topic}` (rename/avatar/description) pushes a
+    // custom `{info what:"group", event:"group.profile.updated"}` to every other online member -- same
+    // undocumented-to-the-SDK shape as `group.dissolved` above, so nothing here ever refreshed the
+    // topic's native `public` fields on receipt. Live-confirmed the actual gap: the sidebar/header name
+    // comes from `contact.public?.fn` (native SDK state, see ChatListColumn.tsx), which a REST-only
+    // mutation never touches for ANYONE -- not just other members, but the renamer's own other tabs/
+    // views too -- and only ever got refreshed as a side effect of the unrelated focus-triggered
+    // `reconcileMeSubs()`, which is why refocus "fixed" it for everyone. `withDesc()` is the SDK's own
+    // sanctioned way to re-pull `public`/description from the server (contrast the abandoned approach
+    // of manually patching `Topic._processMetaDesc` tried earlier for a different bug -- that one was
+    // reverted for inconclusive verification; this one goes through a real server round-trip instead).
+    if (groupEvent?.what === 'group' && groupEvent.event === 'group.profile.updated') {
+      topic.getMeta(topic.startMetaQuery().withDesc().build()).catch(() => {});
+    }
   };
   topic.onMetaDesc = notify;
   // Only ever actually invoked on the `me` topic (the SDK reads `me.onMetaSub`/`me.onSubsUpdated`