diff --git a/src/app/[locale]/page.tsx b/src/app/[locale]/page.tsx
index 5768478..60d5337 100644
--- a/src/app/[locale]/page.tsx
+++ b/src/app/[locale]/page.tsx
@@ -9,6 +9,7 @@ import { ConfigDialog } from "@/app/components/ConfigDialog";
 import { ErrorLogBell } from "@/app/components/ErrorLogBell";
 import { ImageModelsDialog } from "@/app/components/ImageModelsDialog";
 import { LocaleSwitcher } from "@/app/components/LocaleSwitcher";
+import { RunningDot } from "@/app/components/RunningDot";
 import { SystemConfigDialog } from "@/app/components/system-config/SystemConfigDialog";
 import { Button } from "@/components/ui/button";
 import {
@@ -57,6 +58,7 @@ import {
   usePublicSystemConfig,
 } from "@/app/hooks/usePublicSystemConfig";
 import type { MainChatReporter } from "@/lib/asyncAgents";
+import { useRunningThreadIds } from "@/app/hooks/useThreads";
 import { localizedPath } from "@/lib/localePath";
 import { cn } from "@/lib/utils";
 
@@ -71,6 +73,9 @@ function HomePageInner({ authEnabled, isAdmin }: HomePageInnerProps) {
   const t = useTranslations("header");
   const publicConfig = usePublicSystemConfig();
   const [threadId, setThreadId] = useQueryState("threadId");
+  const runningThreadIds = useRunningThreadIds();
+  const currentThreadRunning =
+    threadId !== null && runningThreadIds.has(threadId);
   const [sidebar, setSidebar] = useQueryState("sidebar");
   const [view, setView] = useQueryState("view");
   const [memoryTab, setMemoryTab] = useQueryState("memoryTab");
@@ -328,11 +333,12 @@ function HomePageInner({ authEnabled, isAdmin }: HomePageInnerProps) {
                   <h1 className="truncate text-sm font-semibold leading-tight sm:text-base">
                     {publicConfig?.wordmark ?? DEFAULT_WORDMARK}
                   </h1>
-                  <div className="-ml-2 -my-1">
+                  <div className="-my-1 -ml-2">
                     <VersionBadge />
                   </div>
                 </div>
               )}
+              {currentThreadRunning && <RunningDot label={t("running")} />}
             </div>
             <div className="flex items-center gap-0.5">
               <Button
@@ -462,7 +468,9 @@ function HomePageInner({ authEnabled, isAdmin }: HomePageInnerProps) {
                     {t("imageModels")}
                   </DropdownMenuItem>
                   {isAdmin && (
-                    <DropdownMenuItem onSelect={() => setSystemConfigOpen(true)}>
+                    <DropdownMenuItem
+                      onSelect={() => setSystemConfigOpen(true)}
+                    >
                       <ServerCog aria-hidden="true" />
                       {t("systemConfig")}
                     </DropdownMenuItem>
@@ -656,7 +664,12 @@ function HomePageContent() {
     };
   }, [authEnabled]);
 
-  return <HomePageInner authEnabled={authEnabled} isAdmin={isAdmin} />;
+  return (
+    <HomePageInner
+      authEnabled={authEnabled}
+      isAdmin={isAdmin}
+    />
+  );
 }
 
 export default function HomePage() {
diff --git a/src/i18n/messages/en/header.ts b/src/i18n/messages/en/header.ts
index 955656e..08a2be9 100644
--- a/src/i18n/messages/en/header.ts
+++ b/src/i18n/messages/en/header.ts
@@ -9,6 +9,7 @@ export default {
     systemConfig: "System config",
     language: "Language",
     newChat: "New chat",
+    running: "Running",
     showNavigation: "Show navigation",
     hideNavigation: "Hide navigation",
     showResearch: "Show research",
diff --git a/src/i18n/messages/zh/header.ts b/src/i18n/messages/zh/header.ts
index 5849b7f..5ab44da 100644
--- a/src/i18n/messages/zh/header.ts
+++ b/src/i18n/messages/zh/header.ts
@@ -9,6 +9,7 @@ export default {
     systemConfig: "系统配置",
     language: "语言",
     newChat: "新对话",
+    running: "正在执行",
     showNavigation: "显示导航",
     hideNavigation: "隐藏导航",
     showResearch: "显示研究",