diff --git a/src/frontend/src/App.tsx b/src/frontend/src/App.tsx
index 356e3da..454fd52 100644
--- a/src/frontend/src/App.tsx
+++ b/src/frontend/src/App.tsx
@@ -124,7 +124,15 @@ export default function App() {
           >
             📜 新建军令
           </button>
-          <span style={{ fontSize: 11, color: 'var(--muted)' }}>⟳ {countdown}s</span>
+          <button
+            onClick={() => { loadAll(); toast('已刷新'); }}
+            style={{
+              fontSize: 11, padding: '2px 8px', borderRadius: 4,
+              border: '1px solid var(--line)', background: 'var(--panel)',
+              color: 'var(--fg)', cursor: 'pointer', marginLeft: 6,
+            }}
+            title="手动刷新"
+          >{v2tasksLoading ? '⟳ ...' : '⟳ 刷新'}</button>
         </div>
       </div>
 
diff --git a/src/frontend/src/store.ts b/src/frontend/src/store.ts
index 3099e30..7eddc78 100644
--- a/src/frontend/src/store.ts
+++ b/src/frontend/src/store.ts
@@ -617,6 +617,7 @@ function getPollInterval(): number {
 
 export function startPolling() {
   if (_cdTimer) return;
+  (window as any).__markActivity = markActivity;
   useStore.getState().loadAll();
   _cdTimer = setInterval(() => {
     // P0-1: 有输入焦点时跳过整个 loadAll