diff --git a/web/src/main.js b/web/src/main.js
index 30c99bb..2ac5188 100644
--- a/web/src/main.js
+++ b/web/src/main.js
@@ -25,6 +25,8 @@ const state = {
   image: null,
   imageUrl: null,
   status: "正在连接后端...",
+  configDirty: false,
+  calibrationDirty: false,
 };
 
 const app = document.querySelector("#app");
@@ -49,18 +51,17 @@ app.innerHTML = `
     <main class="main">
       <section class="status-line">
         <span id="statusText"></span>
-        <button id="refreshAll" type="button">刷新</button>
+        <button id="refreshRuntimeData" type="button">刷新运行数据</button>
       </section>
 
       <section id="calibrationView" class="view">
         <section class="toolbar">
           <label>
-            RTSP 地址
+            RTSP 地址（用于抓帧）
             <input id="rtspUrl" type="text" placeholder="rtsp://user:password@camera-ip:554/stream">
           </label>
-          <button id="saveConfig" type="button">保存配置和标定</button>
           <button id="captureSnapshot" type="button">抓取一帧</button>
-          <button id="saveCalibration" type="button">仅保存标定</button>
+          <button id="saveCalibration" type="button">保存标定</button>
         </section>
 
         <section class="calibration-grid">
@@ -70,7 +71,7 @@ app.innerHTML = `
             <div class="button-stack">
               <button id="undoPoint" type="button">撤销点</button>
               <button id="clearRegion" type="button">清空当前区域</button>
-              <button id="loadConfigPolygons" type="button">载入当前配置区域</button>
+              <button id="loadConfigPolygons" type="button">放弃草稿并载入已保存标定</button>
             </div>
           </aside>
           <section class="canvas-panel">
@@ -93,6 +94,10 @@ app.innerHTML = `
 
       <section id="settingsView" class="view hidden">
         <section class="settings-grid">
+          <label>
+            RTSP 地址
+            <input id="settingsRtspUrl" type="text" placeholder="rtsp://user:password@camera-ip:554/stream">
+          </label>
           <label>
             Camera ID
             <input id="cameraId" type="text">
@@ -110,6 +115,10 @@ app.innerHTML = `
             <input id="trashWindow" type="number" min="1">
           </label>
         </section>
+        <section class="settings-actions">
+          <button id="saveConfig" type="button">保存运行配置</button>
+          <button id="reloadConfig" type="button">重新载入后端配置</button>
+        </section>
         <pre id="configPreview" class="config-preview"></pre>
       </section>
     </main>
@@ -121,6 +130,7 @@ const els = {
   canvas: document.querySelector("#canvas"),
   regionList: document.querySelector("#regionList"),
   rtspUrl: document.querySelector("#rtspUrl"),
+  settingsRtspUrl: document.querySelector("#settingsRtspUrl"),
   cameraId: document.querySelector("#cameraId"),
   timezone: document.querySelector("#timezone"),
   maxDwell: document.querySelector("#maxDwell"),
@@ -136,15 +146,16 @@ function boot() {
   wireEvents();
   loadDraftPolygons();
   renderRegionList();
-  refreshAll();
+  loadInitialData();
 }
 
 function wireEvents() {
   document.querySelectorAll(".tabs button").forEach((button) => {
     button.addEventListener("click", () => setTab(button.dataset.tab));
   });
-  document.querySelector("#refreshAll").addEventListener("click", refreshAll);
+  document.querySelector("#refreshRuntimeData").addEventListener("click", refreshRuntimeData);
   document.querySelector("#saveConfig").addEventListener("click", saveConfig);
+  document.querySelector("#reloadConfig").addEventListener("click", reloadConfig);
   document.querySelector("#captureSnapshot").addEventListener("click", captureSnapshot);
   document.querySelector("#saveCalibration").addEventListener("click", saveCalibration);
   document.querySelector("#undoPoint").addEventListener("click", undoPoint);
@@ -152,11 +163,23 @@ function wireEvents() {
   document.querySelector("#loadConfigPolygons").addEventListener("click", loadPolygonsFromConfig);
   els.canvas.addEventListener("click", addPoint);
   window.addEventListener("resize", drawCanvas);
+  [els.rtspUrl, els.settingsRtspUrl, els.cameraId, els.timezone, els.maxDwell, els.trashWindow].forEach((input) => {
+    input.addEventListener("input", () => {
+      state.configDirty = true;
+      if (input === els.rtspUrl) {
+        els.settingsRtspUrl.value = els.rtspUrl.value;
+      }
+      if (input === els.settingsRtspUrl) {
+        els.rtspUrl.value = els.settingsRtspUrl.value;
+      }
+      renderConfigPreview();
+    });
+  });
 }
 
-async function refreshAll() {
+async function loadInitialData() {
   try {
-    setStatus("正在读取配置和事件...");
+    setStatus("正在读取配置和运行数据...");
     const [config, summary, events] = await Promise.all([
       apiJson("/api/manage/config"),
       apiJson("/api/manage/summary"),
@@ -166,6 +189,7 @@ async function refreshAll() {
     state.summary = summary;
     state.events = events.items || [];
     fillForm();
+    state.configDirty = false;
     if (!hasAnyPolygon()) {
       loadPolygonsFromConfig(false);
     }
@@ -176,23 +200,54 @@ async function refreshAll() {
   }
 }
 
+async function refreshRuntimeData() {
+  try {
+    setStatus("正在刷新运行数据...");
+    const [summary, events] = await Promise.all([
+      apiJson("/api/manage/summary"),
+      apiJson("/api/manage/events?limit=200"),
+    ]);
+    state.summary = summary;
+    state.events = events.items || [];
+    render();
+    setStatus("运行数据已刷新");
+  } catch (error) {
+    setStatus(`刷新运行数据失败：${error.message}`);
+  }
+}
+
+async function reloadConfig() {
+  if (state.configDirty && !window.confirm("当前运行配置有未保存修改。确认放弃修改并重新载入后端配置？")) {
+    return;
+  }
+  try {
+    setStatus("正在重新载入后端配置...");
+    state.config = await apiJson("/api/manage/config");
+    fillForm();
+    state.configDirty = false;
+    render();
+    setStatus("后端配置已重新载入");
+  } catch (error) {
+    setStatus(`重新载入配置失败：${error.message}`);
+  }
+}
+
 async function saveConfig() {
   try {
     const payload = {
       camera_id: els.cameraId.value.trim(),
       timezone: els.timezone.value.trim(),
-      rtsp_url: els.rtspUrl.value.trim(),
+      rtsp_url: els.settingsRtspUrl.value.trim(),
       thresholds: {
         max_dwell_seconds: Number(els.maxDwell.value),
         trash_confirmation_seconds: Number(els.trashWindow.value),
       },
     };
     state.config = await apiJson("/api/manage/config", {method: "PUT", body: payload});
-    const calibrationSaved = await persistCalibration({requireAny: false});
-    saveDraftPolygons();
+    state.configDirty = false;
     fillForm();
     renderConfigPreview();
-    setStatus(calibrationSaved ? "配置和标定已保存" : "配置已保存；当前没有可保存的标定点");
+    setStatus("运行配置已保存");
   } catch (error) {
     setStatus(`保存配置失败：${error.message}`);
   }
@@ -233,6 +288,7 @@ async function saveCalibration() {
   try {
     const saved = await persistCalibration({requireAny: true});
     if (saved) {
+      state.calibrationDirty = false;
       saveDraftPolygons();
       render();
       setStatus("标定已保存到项目配置");
@@ -277,6 +333,7 @@ function setTab(tab) {
 function fillForm() {
   const config = state.config || {};
   els.rtspUrl.value = config.stream?.rtsp_url || "";
+  els.settingsRtspUrl.value = config.stream?.rtsp_url || "";
   els.cameraId.value = config.camera_id || "";
   els.timezone.value = config.timezone || "";
   els.maxDwell.value = config.thresholds?.max_dwell_seconds || 10800;
@@ -287,6 +344,9 @@ function loadPolygonsFromConfig(updateStatus = true) {
   if (!state.config) {
     return;
   }
+  if (updateStatus && state.calibrationDirty && !window.confirm("当前标定有未保存草稿。确认放弃草稿并载入已保存标定？")) {
+    return;
+  }
   for (const zone of state.config.zones || []) {
     if (zone.id && Array.isArray(zone.polygon)) {
       state.polygons[zone.id] = zone.polygon.map(([x, y]) => ({x, y}));
@@ -295,6 +355,7 @@ function loadPolygonsFromConfig(updateStatus = true) {
   if (Array.isArray(state.config.trash?.roi)) {
     state.polygons.trash = state.config.trash.roi.map(([x, y]) => ({x, y}));
   }
+  state.calibrationDirty = false;
   saveDraftPolygons();
   render();
   if (updateStatus) {
@@ -342,6 +403,7 @@ function addPoint(event) {
   const x = clamp(rawX / imageRect.width);
   const y = clamp(rawY / imageRect.height);
   state.polygons[state.activeRegion].push({x: round(x), y: round(y)});
+  state.calibrationDirty = true;
   saveDraftPolygons();
   render();
 }
@@ -370,12 +432,14 @@ function getCanvasImageRect() {
 
 function undoPoint() {
   state.polygons[state.activeRegion].pop();
+  state.calibrationDirty = true;
   saveDraftPolygons();
   render();
 }
 
 function clearRegion() {
   state.polygons[state.activeRegion] = [];
+  state.calibrationDirty = true;
   saveDraftPolygons();
   render();
 }
@@ -526,7 +590,24 @@ function renderEvents() {
 }
 
 function renderConfigPreview() {
-  els.configPreview.textContent = JSON.stringify(state.config || {}, null, 2);
+  const preview = {
+    ...(state.config || {}),
+    stream: {
+      ...((state.config || {}).stream || {}),
+      rtsp_url: els.settingsRtspUrl.value,
+    },
+    camera_id: els.cameraId.value,
+    timezone: els.timezone.value,
+    thresholds: {
+      max_dwell_seconds: Number(els.maxDwell.value || 0),
+      trash_confirmation_seconds: Number(els.trashWindow.value || 0),
+    },
+    ui_state: {
+      config_dirty: state.configDirty,
+      calibration_dirty: state.calibrationDirty,
+    },
+  };
+  els.configPreview.textContent = JSON.stringify(preview, null, 2);
 }
 
 async function apiJson(path, options = {}) {
diff --git a/web/src/styles.css b/web/src/styles.css
index a550a7d..84fc725 100644
--- a/web/src/styles.css
+++ b/web/src/styles.css
@@ -113,7 +113,7 @@ label {
 
 .toolbar {
   display: grid;
-  grid-template-columns: minmax(360px, 1fr) auto auto auto;
+  grid-template-columns: minmax(360px, 1fr) auto auto;
   gap: 12px;
   align-items: end;
   margin-bottom: 12px;
@@ -263,6 +263,17 @@ th {
   border-radius: 8px;
 }
 
+.settings-actions {
+  display: flex;
+  gap: 10px;
+  justify-content: flex-start;
+  margin-bottom: 12px;
+  padding: 12px;
+  background: #ffffff;
+  border: 1px solid #d8dee5;
+  border-radius: 8px;
+}
+
 .config-preview {
   margin: 0;
   padding: 12px;