diff --git a/admin.html b/admin.html
index 5f8be70..cd2bc20 100644
--- a/admin.html
+++ b/admin.html
@@ -11,6 +11,7 @@
       <a class="brand" href="/">WOV</a>
       <nav>
         <a href="/">应用中心</a>
+        <a href="/tasks.html">任务管理</a>
         <a href="/admin.html">管理后台</a>
         <a href="/workflow.html">工作流</a>
       </nav>
diff --git a/assets/app.js b/assets/app.js
index 4ebce40..c86e776 100644
--- a/assets/app.js
+++ b/assets/app.js
@@ -78,15 +78,30 @@ function escapeHtml(value) {
 }
 
 function badge(status) {
+  const value = String(status).toLowerCase();
   const className =
-    status === "ready" || status === "completed" || status === "ok"
+    value === "ready" || value === "completed" || value === "ok"
       ? "ok"
-      : status === "stopped" || status === "error"
+      : value === "stopped" || value === "error" || value === "failed"
         ? "error"
         : "warn";
   return `<span class="badge ${className}">${escapeHtml(status)}</span>`;
 }
 
+function formatTime(value) {
+  if (!value) return "";
+  const date = new Date(value);
+  return Number.isNaN(date.getTime()) ? value : date.toLocaleString();
+}
+
+function formatElapsed(value) {
+  if (!value) return "";
+  const seconds = Math.floor((Date.now() - new Date(value).getTime()) / 1000);
+  if (Number.isNaN(seconds) || seconds < 0) return "";
+  if (seconds < 60) return `${seconds} 秒`;
+  return `${Math.floor(seconds / 60)} 分钟`;
+}
+
 async function loadHealth() {
   try {
     await api("/health");
@@ -235,6 +250,51 @@ async function loadWorkflows() {
     : '<tr><td colspan="5">暂无工作流</td></tr>';
 }
 
+async function loadRuns() {
+  const tbody = document.getElementById("runList");
+  if (!tbody) return;
+  const runs = await api("/api/runs");
+  tbody.innerHTML = runs.length
+    ? runs
+        .map((run) => {
+          const percent = Math.round((run.progress || 0) * 100);
+          const error = run.error || "";
+          const statusHtml =
+            run.status === "RUNNING"
+              ? `${badge(run.status)} <span class="muted">已运行 ${formatElapsed(run.updated_at)}</span>`
+              : run.status === "QUEUED"
+                ? `${badge(run.status)} <span class="muted">排队中</span>`
+                : badge(run.status);
+          const actions =
+            run.status === "FAILED"
+              ? `<button class="danger" data-retry-run="${escapeHtml(run.id)}">重试</button>`
+              : "";
+          return `
+            <tr>
+              <td>${escapeHtml(run.id)}</td>
+              <td>${escapeHtml(run.workflow_id)}</td>
+              <td>${statusHtml}</td>
+              <td>${escapeHtml(run.current_node_id || "-")}</td>
+              <td>${percent}%</td>
+              <td>${escapeHtml(formatTime(run.created_at))}</td>
+              <td title="${escapeHtml(error)}">${error ? escapeHtml(error.slice(0, 60)) : "-"}</td>
+              <td>${actions}</td>
+            </tr>`;
+        })
+        .join("")
+    : '<tr><td colspan="8">暂无任务</td></tr>';
+}
+
+async function retryRun(runId) {
+  try {
+    const result = await api(`/api/runs/${runId}/retry`, { method: "POST" });
+    alert(`任务 ${result.id} 已重新排队`);
+    await loadRuns();
+  } catch (error) {
+    alert(`重试失败：${error.message}`);
+  }
+}
+
 async function createWorkflow() {
   const workflowId = document.getElementById("workflowId").value.trim();
   const name = document.getElementById("workflowName").value.trim();
@@ -306,7 +366,7 @@ async function uploadVideo() {
 }
 
 async function pollRun(runId, progress, downloads) {
-  for (let i = 0; i < 600; i += 1) {
+  for (let i = 0; i < 3600; i += 1) {
     const run = await api(`/api/runs/${runId}`);
     const percent = Math.round((run.progress || 0) * 100);
     progress.textContent = `状态：${run.status} | 当前节点：${run.current_node_id || "-"} | 进度：${percent}%`;
@@ -354,6 +414,11 @@ document.addEventListener("click", (event) => {
   const publishWorkflowButton = event.target.closest("[data-publish-workflow]");
   if (publishWorkflowButton) {
     publishWorkflow(publishWorkflowButton.dataset.publishWorkflow);
+    return;
+  }
+  const retryButton = event.target.closest("[data-retry-run]");
+  if (retryButton) {
+    retryRun(retryButton.dataset.retryRun);
   }
 });
 
@@ -406,4 +471,8 @@ document.addEventListener("DOMContentLoaded", async () => {
   if (document.getElementById("workflowList")) {
     await loadWorkflows();
   }
+  if (document.getElementById("runList")) {
+    await loadRuns();
+    setInterval(loadRuns, 5000);
+  }
 });
diff --git a/index.html b/index.html
index d3213be..20d90f6 100644
--- a/index.html
+++ b/index.html
@@ -11,6 +11,7 @@
       <a class="brand" href="/">WOV</a>
       <nav>
         <a href="/">应用中心</a>
+        <a href="/tasks.html">任务管理</a>
         <a href="/admin.html">管理后台</a>
         <a href="/workflow.html">工作流</a>
       </nav>
diff --git a/tasks.html b/tasks.html
new file mode 100644
index 0000000..fc7a549
--- /dev/null
+++ b/tasks.html
@@ -0,0 +1,47 @@
+<!doctype html>
+<html lang="zh-CN">
+  <head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <title>WOV 任务管理</title>
+    <link rel="stylesheet" href="/assets/styles.css" />
+  </head>
+  <body>
+    <header class="topbar">
+      <a class="brand" href="/">WOV</a>
+      <nav>
+        <a href="/">应用中心</a>
+        <a href="/tasks.html">任务管理</a>
+        <a href="/admin.html">管理后台</a>
+        <a href="/workflow.html">工作流</a>
+      </nav>
+    </header>
+
+    <main class="container">
+      <h1>任务管理</h1>
+      <p class="muted">查看所有任务的执行状态；失败的任务可以重新排队执行。</p>
+
+      <section class="panel">
+        <div class="table-wrap">
+          <table>
+            <thead>
+              <tr>
+                <th>任务 ID</th>
+                <th>工作流</th>
+                <th>状态</th>
+                <th>当前节点</th>
+                <th>进度</th>
+                <th>创建时间</th>
+                <th>错误信息</th>
+                <th>操作</th>
+              </tr>
+            </thead>
+            <tbody id="runList"></tbody>
+          </table>
+        </div>
+      </section>
+    </main>
+
+    <script src="/assets/app.js"></script>
+  </body>
+</html>
diff --git a/workflow.html b/workflow.html
index 04ea238..3992a05 100644
--- a/workflow.html
+++ b/workflow.html
@@ -11,6 +11,7 @@
       <a class="brand" href="/">WOV</a>
       <nav>
         <a href="/">应用中心</a>
+        <a href="/tasks.html">任务管理</a>
         <a href="/admin.html">管理后台</a>
         <a href="/workflow.html">工作流</a>
       </nav>