diff --git a/web/static/js/chat.js b/web/static/js/chat.js
index 1cc5f92c..a4fb61ba 100644
--- a/web/static/js/chat.js
+++ b/web/static/js/chat.js
@@ -7330,6 +7330,11 @@ async function renameConversation() {
             }
         }
 
+        // 同步更新顶栏正在运行的任务名称
+        if (typeof updateActiveTaskConversationTitle === 'function') {
+            updateActiveTaskConversationTitle(convId, newTitle.trim());
+        }
+
         // 重新加载对话列表
         loadConversationsWithGroups();
     } catch (error) {
diff --git a/web/static/js/monitor.js b/web/static/js/monitor.js
index 0d87a60c..e80b8c91 100644
--- a/web/static/js/monitor.js
+++ b/web/static/js/monitor.js
@@ -3440,6 +3440,28 @@ async function loadActiveTasks(showErrors = false) {
     }
 }
 
+function getActiveTaskDisplayName(task) {
+    const _t = function (k) { return typeof window.t === 'function' ? window.t(k) : k; };
+    const unnamedTaskText = _t('tasks.unnamedTask');
+    if (!task) return unnamedTaskText;
+    const title = (task.title || '').trim();
+    if (title) return title;
+    const message = (task.message || '').trim();
+    return message || unnamedTaskText;
+}
+
+function updateActiveTaskConversationTitle(conversationId, newTitle) {
+    const bar = document.getElementById('active-tasks-bar');
+    if (!bar || !conversationId) return;
+    const title = (newTitle || '').trim();
+    if (!title) return;
+    bar.querySelectorAll('.active-task-item[data-conversation-id="' + conversationId + '"] .active-task-message')
+        .forEach(function (el) {
+            el.textContent = title;
+        });
+}
+window.updateActiveTaskConversationTitle = updateActiveTaskConversationTitle;
+
 function renderActiveTasks(tasks) {
     const bar = document.getElementById('active-tasks-bar');
     if (!bar) return;
@@ -3500,13 +3522,17 @@ function renderActiveTasks(tasks) {
         };
         const statusText = statusMap[task.status] || _t('tasks.statusRunning');
         const isFinalStatus = ['failed', 'timeout', 'cancelled', 'completed'].includes(task.status);
-        const unnamedTaskText = _t('tasks.unnamedTask');
+        const taskDisplayName = getActiveTaskDisplayName(task);
         const stopTaskBtnText = _t('tasks.stopTask');
 
+        if (task && task.conversationId) {
+            item.dataset.conversationId = task.conversationId;
+        }
+
         item.innerHTML = `
             <div class="active-task-info">
                 <span class="active-task-status">${statusText}</span>
-                <span class="active-task-message">${escapeHtml(task.message || unnamedTaskText)}</span>
+                <span class="active-task-message">${escapeHtml(taskDisplayName)}</span>
             </div>
             <div class="active-task-actions">
                 ${timeText ? `<span class="active-task-time">${timeText}</span>` : ''}
diff --git a/web/static/js/tasks.js b/web/static/js/tasks.js
index 7af962e9..5baaad32 100644
--- a/web/static/js/tasks.js
+++ b/web/static/js/tasks.js
@@ -181,7 +181,7 @@ function updateCompletedTasksHistory(currentTasks) {
             
             tasksState.completedTasksHistory.push({
                 conversationId: task.conversationId,
-                message: task.message || '未命名任务',
+                message: task.title || task.message || '未命名任务',
                 startedAt: task.startedAt,
                 status: finalStatus,
                 completedAt: new Date().toISOString()
@@ -537,7 +537,7 @@ function renderTaskItem(task, statusMap, isHistory = false) {
                     ` : '<div class="task-checkbox-placeholder"></div>'}
                     <span class="task-status ${status.class}">${status.text}</span>
                     ${isHistory ? '<span class="task-history-badge" title="' + _t('tasks.historyBadge') + '">📜</span>' : ''}
-                    <span class="task-message" title="${escapeHtml(task.message || _t('tasks.unnamedTask'))}">${escapeHtml(task.message || _t('tasks.unnamedTask'))}</span>
+                    <span class="task-message" title="${escapeHtml((task.title || task.message || _t('tasks.unnamedTask')))}">${escapeHtml((task.title || task.message || _t('tasks.unnamedTask')))}</span>
                 </div>
                 <div class="task-actions">
                     ${duration ? `<span class="task-duration" title="${_t('tasks.duration')}">⏱ ${duration}</span>` : ''}