diff --git a/frontend/src/pages/settings/PublicPageTab.tsx b/frontend/src/pages/settings/PublicPageTab.tsx
index 1108f0b..c8dbb57 100644
--- a/frontend/src/pages/settings/PublicPageTab.tsx
+++ b/frontend/src/pages/settings/PublicPageTab.tsx
@@ -69,13 +69,13 @@ interface NotifySettingsWire {
   notifyGrace: number;
   notifyTraffic: number;
   notifyExpiry: number;
-  notifyLogin: string;
+  notifyLogin: boolean;
   notifyTelegramText: string;
   notifyWebhookBody: string;
   telegramConfigured: boolean;
   webhookConfigured: boolean;
-  webhookUrlSet: boolean;
-  webhookHeadersSet: boolean;
+  notifyWebhookUrlSet: boolean;
+  notifyWebhookHeadersSet: boolean;
 }
 
 interface CoverageRow {
@@ -232,12 +232,12 @@ export default function PublicPageTab() {
   async function testNotify() {
     setNotifyTesting(true);
     try {
-      const msg = await HttpUtil.post<string[]>('/panel/api/probe/notify/test', undefined, {
+      const msg = await HttpUtil.post<{ sent: string[] }>('/panel/api/probe/notify/test', undefined, {
         silent: true,
       });
       if (msg?.success) {
         messageApi.success(
-          t('pages.settings.probeNotify.testSent', { channels: (msg.obj ?? []).join('、') }),
+          t('pages.settings.probeNotify.testSent', { channels: (msg.obj?.sent ?? []).join('、') }),
         );
       } else {
         messageApi.error(msg?.msg || t('pages.settings.probeThemes.saveFailed'));
@@ -627,8 +627,8 @@ export default function PublicPageTab() {
             <Col xs={24} md={8}>
               <div style={{ marginBottom: 4 }}>{t('pages.settings.probeNotify.loginAlert')}</div>
               <Switch
-                checked={notify.notifyLogin !== 'off'}
-                onChange={(v) => setNotify({ ...notify, notifyLogin: v ? 'on' : 'off' })}
+                checked={notify.notifyLogin}
+                onChange={(v) => setNotify({ ...notify, notifyLogin: v })}
               />
             </Col>
             <Col xs={24} md={8}>
@@ -670,14 +670,14 @@ export default function PublicPageTab() {
               <Input
                 value={webhookUrl}
                 placeholder={
-                  notify.webhookUrlSet ? t('pages.settings.probeNotify.secretSet') : 'https://'
+                  notify.notifyWebhookUrlSet ? t('pages.settings.probeNotify.secretSet') : 'https://'
                 }
                 onChange={(e) => {
                   setWebhookUrl(e.target.value);
                   setUrlTouched(true);
                 }}
               />
-              {notify.webhookUrlSet && !urlTouched ? (
+              {notify.notifyWebhookUrlSet && !urlTouched ? (
                 <Button
                   type="link"
                   size="small"
@@ -698,7 +698,7 @@ export default function PublicPageTab() {
                 rows={2}
                 value={webhookHeaders}
                 placeholder={
-                  notify.webhookHeadersSet
+                  notify.notifyWebhookHeadersSet
                     ? t('pages.settings.probeNotify.secretSet')
                     : 'Authorization: Bearer …'
                 }
@@ -707,7 +707,7 @@ export default function PublicPageTab() {
                   setHeadersTouched(true);
                 }}
               />
-              {notify.webhookHeadersSet && !headersTouched ? (
+              {notify.notifyWebhookHeadersSet && !headersTouched ? (
                 <Button
                   type="link"
                   size="small"
diff --git a/internal/web/controller/probe_notify.go b/internal/web/controller/probe_notify.go
index 634a821..a1f25f7 100644
--- a/internal/web/controller/probe_notify.go
+++ b/internal/web/controller/probe_notify.go
@@ -55,7 +55,12 @@ func (pc *ProbeNotifyController) put(c *gin.Context) {
 		c.JSON(http.StatusOK, entity.Msg{Success: false, Msg: err.Error()})
 		return
 	}
-	jsonMsg(c, "", nil)
+	// Answer with the fresh view, like the GET: the tab re-renders
+	// the channel status and secret-set flags from it.
+	jsonObj(c, probeNotifyPayload{
+		Settings: probenotify.GetSettings(),
+		Coverage: service.ProbeAgentCoverage(),
+	}, nil)
 }
 
 func (pc *ProbeNotifyController) test(c *gin.Context) {