diff --git a/src/app/components/ThreadList.tsx b/src/app/components/ThreadList.tsx
index 3baeb98..150d6f0 100644
--- a/src/app/components/ThreadList.tsx
+++ b/src/app/components/ThreadList.tsx
@@ -34,12 +34,14 @@ import { cn } from "@/lib/utils";
 import type { ThreadItem } from "@/app/hooks/useThreads";
 import {
   useThreads,
+  useRunningThreadIds,
   deleteThread,
   renameThread,
   pinThread,
   exportThread,
 } from "@/app/hooks/useThreads";
 import { useMemoryActivity } from "@/app/hooks/useMemoryActivity";
+import { RunningDot } from "@/app/components/RunningDot";
 import { autoApprovesTools, getThreadReviewMode } from "@/lib/reviewMode";
 import {
   Dialog,
@@ -174,6 +176,7 @@ export function ThreadList({
     status: statusFilter === "all" ? undefined : statusFilter,
     limit: 20,
   });
+  const runningIds = useRunningThreadIds();
 
   // Dedupe by id, keeping the first occurrence — page 0 wins, so the freshest
   // `updated_at` survives. Without this, a thread whose `updated_at` advances
@@ -497,6 +500,9 @@ export function ThreadList({
                     aria-hidden="true"
                   />
                 )}
+                {runningIds.has(thread.id) && (
+                  <RunningDot label={t("running")} />
+                )}
                 <span className="truncate">{thread.title}</span>
               </h3>
               <span className="ml-2 flex-shrink-0 text-xs tabular-nums text-muted-foreground">
@@ -808,9 +814,7 @@ export function ThreadList({
           search.trim() &&
           filtered.length === 0 && (
             <div className="flex flex-col items-center justify-center p-8 text-center">
-              <p className="text-sm text-muted-foreground">
-                {t("noMatch")}
-              </p>
+              <p className="text-sm text-muted-foreground">{t("noMatch")}</p>
             </div>
           )}
 
diff --git a/src/i18n/messages/en/threadList.ts b/src/i18n/messages/en/threadList.ts
index f906017..a44bd56 100644
--- a/src/i18n/messages/en/threadList.ts
+++ b/src/i18n/messages/en/threadList.ts
@@ -19,6 +19,7 @@ export default {
     filterAttention: "Attention",
     filterInterrupted: "Interrupted",
     filterError: "Error",
+    running: "Running",
     closeNavigation: "Close navigation",
     closeResearch: "Close research",
     loadFailed: "Failed to load research",
diff --git a/src/i18n/messages/zh/threadList.ts b/src/i18n/messages/zh/threadList.ts
index 0cdfcb9..abe41e5 100644
--- a/src/i18n/messages/zh/threadList.ts
+++ b/src/i18n/messages/zh/threadList.ts
@@ -18,6 +18,7 @@ export default {
     filterAttention: "需要注意",
     filterInterrupted: "已中断",
     filterError: "错误",
+    running: "正在执行",
     closeNavigation: "关闭导航",
     closeResearch: "关闭研究",
     loadFailed: "加载研究失败",