diff --git a/.env.example b/.env.example
index 4143a41..0d93ac5 100644
--- a/.env.example
+++ b/.env.example
@@ -13,8 +13,7 @@ SIGNALSCOUT_GITHUB_RECENT_DAYS=30
 SIGNALSCOUT_GITHUB_MIN_STARS=20
 SIGNALSCOUT_GITHUB_MAX_PROJECTS=5
 SIGNALSCOUT_AGENT_TIMEZONE=Asia/Shanghai
-SIGNALSCOUT_AGENT_CRON_HOUR=8
-SIGNALSCOUT_AGENT_CRON_MINUTE=30
+SIGNALSCOUT_AGENT_INTERVAL_MINUTES=30
 SIGNALSCOUT_REPORT_DIR=reports
 SIGNALSCOUT_LOG_FILE=logs/app.log
 SIGNALSCOUT_LOG_TAIL_LINES=200
diff --git a/README.md b/README.md
index 955b007..3c945d4 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # SignalScout
 
-SignalScout 是一个定时运行的 AI 情报 Agent。它先用动态新闻搜索和 GitHub 官方搜索抓取候选证据，再使用 Grok 通过中转 API 生成最新 AI 新闻、模型发布、Agent 工具、融资动态和 GitHub 热门项目日报，并把结构化情报保存到 MySQL。
+SignalScout 是一个自动运行的 AI 情报 Agent。它先用动态新闻搜索和 GitHub 官方搜索抓取候选证据，再使用 Grok 通过中转 API 生成最新 AI 新闻、模型发布、Agent 工具、融资动态和 GitHub 热门项目日报，并把结构化情报保存到 MySQL。
 
 ## 主流程
 
@@ -35,6 +35,7 @@ SIGNALSCOUT_NEWS_SEARCH_MAX_RECORDS=20
 SIGNALSCOUT_GITHUB_RECENT_DAYS=30
 SIGNALSCOUT_GITHUB_MIN_STARS=20
 SIGNALSCOUT_GITHUB_MAX_PROJECTS=5
+SIGNALSCOUT_AGENT_INTERVAL_MINUTES=30
 ```
 
 ## 本机运行
@@ -64,8 +65,8 @@ http://127.0.0.1:8010/docs
 ## API
 
 - `GET /health`：服务健康检查
-- `POST /agent/runs/daily`：手动触发每日 Agent
-- `POST /agent/runs/daily/stream`：以 SSE 方式触发每日 Agent
+- `POST /agent/runs/daily`：运维触发一次 Agent
+- `POST /agent/runs/daily/stream`：运维以 SSE 方式触发一次 Agent
 - `GET /agent/runs`：查看最近运行记录
 - `GET /signals`：查看结构化情报
 - `GET /reports/latest`：查看最新日报
diff --git a/app/agent/scheduler.py b/app/agent/scheduler.py
index 6115502..7f5f50b 100644
--- a/app/agent/scheduler.py
+++ b/app/agent/scheduler.py
@@ -1,3 +1,5 @@
+from datetime import datetime
+
 from apscheduler.schedulers.background import BackgroundScheduler
 from sqlalchemy.orm import Session
 
@@ -16,15 +18,17 @@ def run_scheduled_job(settings: Settings) -> None:
 
 
 def build_scheduler(settings: Settings) -> BackgroundScheduler:
-    # APScheduler负责每日后台运行，服务启动后自动挂载任务。
+    # APScheduler负责自动循环运行，启动后先跑一次，再按固定间隔持续采集。
     scheduler = BackgroundScheduler(timezone=settings.agent_timezone)
     scheduler.add_job(
         run_scheduled_job,
-        trigger="cron",
-        hour=settings.agent_cron_hour,
-        minute=settings.agent_cron_minute,
+        trigger="interval",
+        minutes=settings.agent_interval_minutes,
         args=[settings],
-        id="daily-intelligence",
+        id="continuous-intelligence",
+        next_run_time=datetime.now(scheduler.timezone),
         replace_existing=True,
+        max_instances=1,
+        coalesce=True,
     )
     return scheduler
diff --git a/app/core/config.py b/app/core/config.py
index 5bad03b..fe7a9de 100644
--- a/app/core/config.py
+++ b/app/core/config.py
@@ -24,8 +24,7 @@ class Settings(BaseSettings):
     github_min_stars: int = 20
     github_max_projects: int = 5
     agent_timezone: str = "Asia/Shanghai"
-    agent_cron_hour: int = 8
-    agent_cron_minute: int = 30
+    agent_interval_minutes: int = 30
     report_dir: Path = Path("reports")
     log_file: Path = Path("logs/app.log")
     log_tail_lines: int = 200
diff --git a/app/main.py b/app/main.py
index 5b62835..eba59ab 100644
--- a/app/main.py
+++ b/app/main.py
@@ -17,8 +17,12 @@ from app.core.log_setup import configure_logging  # noqa: E402
 
 @asynccontextmanager
 async def lifespan(app: FastAPI) -> AsyncIterator[None]:
-    # The scheduler lives with the web process for the demo deployment profile.
+    # 测试环境不启动后台采集，避免接口测试触发真实外部请求。
     settings = get_settings()
+    if settings.env == "test":
+        yield
+        return
+    # 调度器随Web进程常驻，负责自动周期性整理情报。
     scheduler = build_scheduler(settings)
     scheduler.start()
     app.state.scheduler = scheduler
diff --git a/app/ui/home.py b/app/ui/home.py
index 685346a..ec02dcf 100644
--- a/app/ui/home.py
+++ b/app/ui/home.py
@@ -15,7 +15,6 @@ HOME_PAGE_HTML = """
       --panel: oklch(99% 0.006 190);
       --panel-2: oklch(94.5% 0.018 176);
       --accent: oklch(52% 0.12 174);
-      --accent-ink: oklch(19% 0.035 190);
       --warn: oklch(67% 0.13 70);
       --bad: oklch(58% 0.16 26);
       --good: oklch(53% 0.12 150);
@@ -79,7 +78,8 @@ HOME_PAGE_HTML = """
     }
 
     .brand span,
-    .nav-note {
+    .nav-note,
+    .auto-card span {
       color: var(--muted);
       font-size: 12px;
       line-height: 1.55;
@@ -91,17 +91,37 @@ HOME_PAGE_HTML = """
       margin-top: 24px;
     }
 
-    .nav a {
-      text-decoration: none;
+    .nav button {
+      border: 0;
+      width: 100%;
+      text-align: left;
+      background: transparent;
       padding: 10px 12px;
       border-radius: 8px;
       color: var(--muted);
+      font: inherit;
       font-size: 14px;
+      cursor: pointer;
     }
 
-    .nav a.active {
+    .nav button.active {
       background: var(--ink);
       color: white;
+      font-weight: 700;
+    }
+
+    .auto-card {
+      display: grid;
+      gap: 6px;
+      margin-top: 24px;
+      padding: 12px;
+      border: 1px solid var(--line);
+      border-radius: 8px;
+      background: oklch(99% 0.006 180 / 0.78);
+    }
+
+    .auto-card strong {
+      font-size: 13px;
     }
 
     .content {
@@ -134,36 +154,44 @@ HOME_PAGE_HTML = """
       line-height: 1.7;
     }
 
-    .actions {
-      display: flex;
-      gap: 10px;
-      flex-wrap: wrap;
-      justify-content: flex-end;
-    }
-
-    button {
-      border: 1px solid var(--ink);
+    .pulse {
+      min-width: 184px;
+      border: 1px solid var(--line);
       border-radius: 8px;
-      background: var(--accent);
-      color: white;
-      min-height: 42px;
-      padding: 0 16px;
-      font-weight: 700;
-      cursor: pointer;
-      box-shadow: 4px 4px 0 var(--ink);
-      transition: transform 160ms ease, box-shadow 160ms ease;
+      padding: 12px 14px;
+      background: var(--panel);
+      color: var(--muted);
+      line-height: 1.55;
+      font-size: 13px;
     }
 
-    button:hover { transform: translate(-1px, -1px); box-shadow: 5px 5px 0 var(--ink); }
-    button:disabled { opacity: 0.58; cursor: wait; transform: none; box-shadow: 2px 2px 0 var(--ink); }
+    .pulse strong {
+      display: block;
+      color: var(--ink);
+      font-size: 18px;
+      line-height: 1.2;
+    }
 
     .layout {
       display: grid;
-      grid-template-columns: minmax(0, 1.25fr) minmax(360px, 0.75fr);
+      grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.8fr);
       gap: 18px;
       align-items: start;
     }
 
+    .view {
+      display: none;
+      gap: 18px;
+    }
+
+    .view.active {
+      display: grid;
+    }
+
+    .view[data-view="signals"].active {
+      grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.8fr);
+    }
+
     .panel {
       background: var(--panel);
       border: 1px solid var(--line);
@@ -235,36 +263,28 @@ HOME_PAGE_HTML = """
     .pill {
       display: inline-flex;
       align-items: center;
-      height: 24px;
+      min-height: 24px;
       border: 1px solid var(--line);
       border-radius: 999px;
-      padding: 0 9px;
+      padding: 2px 9px;
       background: oklch(98% 0.01 180);
       color: var(--muted);
       max-width: 100%;
     }
 
     .importance {
-      color: var(--accent-ink);
+      color: oklch(19% 0.035 190);
       border-color: oklch(72% 0.08 174);
       background: oklch(91% 0.045 174);
     }
 
     .report {
       padding: 18px;
-      min-height: 320px;
+      min-height: 520px;
       line-height: 1.75;
       white-space: pre-wrap;
     }
 
-    .report h1,
-    .report h2,
-    .report h3 {
-      font-size: 16px;
-      margin: 0 0 10px;
-      line-height: 1.35;
-    }
-
     .runs { display: grid; }
 
     .run-row {
@@ -291,28 +311,6 @@ HOME_PAGE_HTML = """
       line-height: 1.7;
     }
 
-    .toast {
-      position: fixed;
-      right: 22px;
-      bottom: 22px;
-      max-width: 360px;
-      background: var(--ink);
-      color: white;
-      padding: 12px 14px;
-      border-radius: 8px;
-      opacity: 0;
-      transform: translateY(12px);
-      pointer-events: none;
-      transition: opacity 160ms ease, transform 160ms ease;
-      line-height: 1.55;
-      z-index: 20;
-    }
-
-    .toast.show {
-      opacity: 1;
-      transform: translateY(0);
-    }
-
     @media (max-width: 980px) {
       .shell { grid-template-columns: 1fr; }
       .rail {
@@ -322,9 +320,9 @@ HOME_PAGE_HTML = """
         border-bottom: 1px solid var(--line);
       }
       .nav { grid-template-columns: repeat(3, minmax(0, 1fr)); }
-      .layout { grid-template-columns: 1fr; }
+      .view[data-view="signals"].active { grid-template-columns: 1fr; }
       .topbar { display: grid; }
-      .actions { justify-content: flex-start; }
+      .pulse { min-width: 0; }
     }
 
     @media (max-width: 560px) {
@@ -332,7 +330,6 @@ HOME_PAGE_HTML = """
       .rail { padding: 18px; }
       .nav { grid-template-columns: 1fr; }
       h1 { font-size: 30px; }
-      button { width: 100%; }
     }
   </style>
 </head>
@@ -345,26 +342,31 @@ HOME_PAGE_HTML = """
         <span>AI 情报采集与研判工作台</span>
       </div>
       <nav class="nav" aria-label="主导航">
-        <a class="active" href="#signals">情报</a>
-        <a href="#report">日报</a>
-        <a href="#runs">运行</a>
+        <button class="active" type="button" data-view-target="signals">情报</button>
+        <button type="button" data-view-target="report">日报</button>
+        <button type="button" data-view-target="runs">运行</button>
       </nav>
-      <p class="nav-note">每天自动整理 AI 新闻、模型发布、Agent 工具和 GitHub 热门项目。</p>
+      <div class="auto-card">
+        <strong>自动整理</strong>
+        <span>启动后自动运行，之后约每 30 分钟整理一次。</span>
+      </div>
+      <p class="nav-note">聚合 AI 新闻、模型发布、Agent 工具和 GitHub 热门项目。</p>
     </aside>
 
     <main class="content">
       <section class="topbar">
         <div>
           <h1>今日 AI 情报</h1>
-          <p class="subtitle">聚合最新新闻和开源热度，由 Agent 统一筛选、去重和生成日报。</p>
+          <p class="subtitle">Agent 自动筛选、去重和生成日报；页面会持续更新最新结果。</p>
         </div>
-        <div class="actions">
-          <button id="runButton" type="button">采集今日情报</button>
+        <div class="pulse">
+          <strong id="lastRunText">等待运行</strong>
+          <span id="lastRunDetail">正在读取运行记录。</span>
         </div>
       </section>
 
-      <section class="layout">
-        <div class="panel" id="signals">
+      <section class="view active" data-view="signals">
+        <div class="panel">
           <div class="panel-head">
             <h2>情报信号</h2>
             <span class="count" id="signalCount">0 条</span>
@@ -375,39 +377,65 @@ HOME_PAGE_HTML = """
         </div>
 
         <div class="stack">
-          <div class="panel" id="report">
+          <div class="panel">
             <div class="panel-head">
               <h2>最新日报</h2>
               <span class="count" id="reportTime">待生成</span>
             </div>
-            <div class="report" id="reportBody">正在读取日报。</div>
+            <div class="report" id="reportPreview">正在读取日报。</div>
           </div>
 
-          <div class="panel" id="runs">
+          <div class="panel">
             <div class="panel-head">
               <h2>最近运行</h2>
               <span class="count" id="runCount">0 次</span>
             </div>
-            <div class="runs" id="runList">
+            <div class="runs" id="runPreview">
               <div class="empty">正在读取运行记录。</div>
             </div>
           </div>
         </div>
       </section>
+
+      <section class="view" data-view="report">
+        <div class="panel">
+          <div class="panel-head">
+            <h2>最新日报</h2>
+            <span class="count" id="reportTimeFull">待生成</span>
+          </div>
+          <div class="report" id="reportBody">正在读取日报。</div>
+        </div>
+      </section>
+
+      <section class="view" data-view="runs">
+        <div class="panel">
+          <div class="panel-head">
+            <h2>最近运行</h2>
+            <span class="count" id="runCountFull">0 次</span>
+          </div>
+          <div class="runs" id="runList">
+            <div class="empty">正在读取运行记录。</div>
+          </div>
+        </div>
+      </section>
     </main>
   </div>
 
-  <div class="toast" id="toast" role="status" aria-live="polite"></div>
-
   <script>
+    const navButtons = Array.from(document.querySelectorAll("[data-view-target]"));
+    const views = Array.from(document.querySelectorAll("[data-view]"));
     const signalList = document.querySelector("#signalList");
     const signalCount = document.querySelector("#signalCount");
+    const reportPreview = document.querySelector("#reportPreview");
     const reportBody = document.querySelector("#reportBody");
     const reportTime = document.querySelector("#reportTime");
+    const reportTimeFull = document.querySelector("#reportTimeFull");
+    const runPreview = document.querySelector("#runPreview");
     const runList = document.querySelector("#runList");
     const runCount = document.querySelector("#runCount");
-    const runButton = document.querySelector("#runButton");
-    const toast = document.querySelector("#toast");
+    const runCountFull = document.querySelector("#runCountFull");
+    const lastRunText = document.querySelector("#lastRunText");
+    const lastRunDetail = document.querySelector("#lastRunDetail");
 
     const stateText = {
       completed: "完成",
@@ -436,16 +464,16 @@ HOME_PAGE_HTML = """
       });
     }
 
-    function showToast(message) {
-      toast.textContent = message;
-      toast.classList.add("show");
-      window.setTimeout(() => toast.classList.remove("show"), 3200);
+    function activateView(name, updateHash = true) {
+      navButtons.forEach((button) => button.classList.toggle("active", button.dataset.viewTarget === name));
+      views.forEach((view) => view.classList.toggle("active", view.dataset.view === name));
+      if (updateHash) history.replaceState(null, "", `#${name}`);
     }
 
     function renderSignals(signals) {
       signalCount.textContent = `${signals.length} 条`;
       if (!signals.length) {
-        signalList.innerHTML = '<div class="empty">还没有情报信号，可以先采集今日情报。</div>';
+        signalList.innerHTML = '<div class="empty">Agent 正在按固定节奏自动整理，完成后这里会出现情报信号。</div>';
         return;
       }
       signalList.innerHTML = signals.map((item) => `
@@ -468,20 +496,21 @@ HOME_PAGE_HTML = """
     function renderReport(report) {
       if (!report) {
         reportTime.textContent = "待生成";
-        reportBody.textContent = "还没有日报，可以先采集今日情报。";
+        reportTimeFull.textContent = "待生成";
+        reportPreview.textContent = "Agent 正在自动整理，日报生成后会显示在这里。";
+        reportBody.textContent = "Agent 正在自动整理，日报生成后会显示在这里。";
         return;
       }
-      reportTime.textContent = formatDate(report.created_at);
-      reportBody.textContent = report.content_md || "日报内容为空。";
+      const timeText = formatDate(report.created_at);
+      const content = report.content_md || "日报内容为空。";
+      reportTime.textContent = timeText;
+      reportTimeFull.textContent = timeText;
+      reportPreview.textContent = content;
+      reportBody.textContent = content;
     }
 
-    function renderRuns(runs) {
-      runCount.textContent = `${runs.length} 次`;
-      if (!runs.length) {
-        runList.innerHTML = '<div class="empty">还没有运行记录。</div>';
-        return;
-      }
-      runList.innerHTML = runs.map((run) => `
+    function runRows(runs) {
+      return runs.map((run) => `
         <div class="run-row">
           <span>#${escapeHtml(run.id)} · ${formatDate(run.started_at)}</span>
           <span class="state ${escapeHtml(run.status)}">${escapeHtml(stateText[run.status] || run.status)}</span>
@@ -489,6 +518,23 @@ HOME_PAGE_HTML = """
       `).join("");
     }
 
+    function renderRuns(runs) {
+      runCount.textContent = `${runs.length} 次`;
+      runCountFull.textContent = `${runs.length} 次`;
+      if (!runs.length) {
+        runPreview.innerHTML = '<div class="empty">Agent 会在启动后自动开始整理。</div>';
+        runList.innerHTML = '<div class="empty">Agent 会在启动后自动开始整理。</div>';
+        lastRunText.textContent = "等待运行";
+        lastRunDetail.textContent = "启动后自动运行，之后约每 30 分钟整理一次。";
+        return;
+      }
+      runPreview.innerHTML = runRows(runs.slice(0, 4));
+      runList.innerHTML = runRows(runs);
+      const latest = runs[0];
+      lastRunText.textContent = stateText[latest.status] || latest.status;
+      lastRunDetail.textContent = `最近一次：${formatDate(latest.started_at)}`;
+    }
+
     async function loadDashboard() {
       const response = await fetch("/dashboard", { headers: { Accept: "application/json" } });
       if (!response.ok) throw new Error("读取情报失败");
@@ -498,32 +544,23 @@ HOME_PAGE_HTML = """
       renderRuns(data.runs || []);
     }
 
-    async function runAgent() {
-      runButton.disabled = true;
-      runButton.textContent = "采集中";
-      showToast("Agent 已开始采集今日情报。");
-      try {
-        const response = await fetch("/agent/runs/daily", { method: "POST" });
-        if (!response.ok) {
-          const body = await response.text();
-          throw new Error(body || "采集失败");
-        }
-        showToast("今日情报采集完成。");
-        await loadDashboard();
-      } catch (error) {
-        showToast(error.message || "采集失败，请查看日志。");
-      } finally {
-        runButton.disabled = false;
-        runButton.textContent = "采集今日情报";
-      }
+    navButtons.forEach((button) => {
+      button.addEventListener("click", () => activateView(button.dataset.viewTarget));
+    });
+
+    const initialView = window.location.hash.replace("#", "");
+    if (["signals", "report", "runs"].includes(initialView)) {
+      activateView(initialView, false);
     }
 
-    runButton.addEventListener("click", runAgent);
     loadDashboard().catch(() => {
       signalList.innerHTML = '<div class="empty">情报读取失败，请稍后再试。</div>';
+      reportPreview.textContent = "日报读取失败。";
       reportBody.textContent = "日报读取失败。";
+      runPreview.innerHTML = '<div class="empty">运行记录读取失败。</div>';
       runList.innerHTML = '<div class="empty">运行记录读取失败。</div>';
     });
+    window.setInterval(loadDashboard, 60000);
   </script>
 </body>
 </html>
diff --git a/tests/test_api_health.py b/tests/test_api_health.py
index 7b5873e..2a72407 100644
--- a/tests/test_api_health.py
+++ b/tests/test_api_health.py
@@ -1,22 +1,29 @@
 from fastapi.testclient import TestClient
 
+from app.core.config import get_settings
 from app.main import create_app
 
 
-def test_health_endpoint_returns_app_identity() -> None:
+def test_health_endpoint_returns_app_identity(monkeypatch) -> None:
     # 健康检查只暴露服务身份，不触发Agent运行或数据库写入。
+    monkeypatch.setenv("SIGNALSCOUT_ENV", "test")
+    get_settings.cache_clear()
     with TestClient(create_app()) as client:
         response = client.get("/health")
+    get_settings.cache_clear()
 
     assert response.status_code == 200
     assert response.json()["status"] == "ok"
     assert response.json()["app"] == "SignalScout"
 
 
-def test_home_page_returns_dashboard_shell() -> None:
+def test_home_page_returns_dashboard_shell(monkeypatch) -> None:
     # 根路径应该展示业务工作台，而不是返回接口404。
+    monkeypatch.setenv("SIGNALSCOUT_ENV", "test")
+    get_settings.cache_clear()
     with TestClient(create_app()) as client:
         response = client.get("/")
+    get_settings.cache_clear()
 
     assert response.status_code == 200
     assert "SignalScout" in response.text
diff --git a/tests/test_scheduler.py b/tests/test_scheduler.py
new file mode 100644
index 0000000..b412e9a
--- /dev/null
+++ b/tests/test_scheduler.py
@@ -0,0 +1,12 @@
+from app.agent.scheduler import build_scheduler
+from app.core.config import Settings
+
+
+def test_scheduler_runs_on_interval() -> None:
+    # Agent默认按固定间隔自动运行，避免产品依赖用户手动触发。
+    scheduler = build_scheduler(Settings(agent_interval_minutes=30))
+    job = scheduler.get_job("continuous-intelligence")
+
+    assert job is not None
+    assert job.trigger.interval.total_seconds() == 1800
+    assert job.max_instances == 1