diff --git a/package.json b/package.json
index 8949d3c..b6e11aa 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "tallynote",
-  "version": "1.1.38",
+  "version": "1.1.39",
   "private": true,
   "type": "module",
   "packageManager": "pnpm@9.0.6",
diff --git a/shared/contracts.ts b/shared/contracts.ts
index 19143e0..da4a56a 100644
--- a/shared/contracts.ts
+++ b/shared/contracts.ts
@@ -107,7 +107,7 @@ export const updateApplySchema = z.object({
 
 export const updateDownloadSchema = z.object({
   version: z.string().trim().regex(/^v?(?:0|[1-9]\d*)\.(?:0|[1-9]\d*)\.(?:0|[1-9]\d*)(?:-(?:0|[1-9A-Za-z-][0-9A-Za-z-]*)(?:\.(?:0|[1-9A-Za-z-][0-9A-Za-z-]*))*)?(?:\+[0-9A-Za-z-]+(?:\.[0-9A-Za-z-]+)*)?$/),
-  confirm: z.literal(true),
+  confirm: z.boolean().default(true).optional(),
 }).strict();
 
 export type ApiError = {
diff --git a/web-next/src/main.tsx b/web-next/src/main.tsx
index b5e5b9c..8845c93 100644
--- a/web-next/src/main.tsx
+++ b/web-next/src/main.tsx
@@ -34,7 +34,7 @@ function App() {
   const notify = useCallback((message: string, kind: "success" | "error" | "info" = "info") => {
     // The placement container owns the responsive right inset. Keeping the
     // item offset at zero avoids pushing narrow-screen notices off canvas.
-    const options = { content: message, duration: 4200, placement: "top-right" as const, offset: [0, 76] as [number, number], zIndex: 5000 };
+    const options = { content: message, duration: 4200, placement: "top-right" as const, offset: [24, 76] as [number, number], zIndex: 6000 };
     const show = kind === "success" ? NotificationPlugin.success : kind === "error" ? NotificationPlugin.error : NotificationPlugin.info;
     void show(options);
   }, []);
diff --git a/web-next/src/pages/update/UpdatePage.tsx b/web-next/src/pages/update/UpdatePage.tsx
index 5f44d81..aafd90a 100644
--- a/web-next/src/pages/update/UpdatePage.tsx
+++ b/web-next/src/pages/update/UpdatePage.tsx
@@ -245,6 +245,7 @@ export default function UpdatePage({
   const [loading, setLoading] = useState(true);
   const [checking, setChecking] = useState(false);
   const [error, setError] = useState("");
+  const [modalError, setModalError] = useState("");
   const [pollError, setPollError] = useState("");
   const [actionBusy, setActionBusy] = useState(false);
   const [reloadReady, setReloadReady] = useState(false);
@@ -457,16 +458,20 @@ export default function UpdatePage({
     if (!latest) return;
     setActionBusy(true);
     setError("");
+    setModalError("");
     try {
       const response = await api<{ job: UpdateJob }>("/api/update/download", {
         method: "POST",
-        body: JSON.stringify({ version: latest.version }),
+        body: JSON.stringify({ version: latest.version, confirm: true }),
       });
       setLiveInfo((current) => (current ? { ...current, job: response.job } : current));
       setConfirmReadyToDownload(false);
       notify?.("已提交下载更新包请求，后台下载中", "info");
     } catch (e) {
-      setError((e as Error).message);
+      const msg = (e as Error).message;
+      setError(msg);
+      setModalError(msg);
+      notify?.(msg, "error");
     } finally {
       setActionBusy(false);
     }
@@ -477,15 +482,19 @@ export default function UpdatePage({
     if (!latest) return;
     setActionBusy(true);
     setError("");
+    setModalError("");
     try {
       const response = await api<{ job: UpdateJob }>("/api/update/apply", {
         method: "POST",
-        body: JSON.stringify({ version: latest.version, confirm: true }),
+        body: JSON.stringify({ version: latest.version, confirm: true, ...(job?.id ? { jobId: job.id } : {}) }),
       });
       setLiveInfo((current) => (current ? { ...current, job: response.job } : current));
       notify?.("已提交升级请求，正在备份并平滑重启…", "info");
     } catch (e) {
-      setError((e as Error).message);
+      const msg = (e as Error).message;
+      setError(msg);
+      setModalError(msg);
+      notify?.(msg, "error");
     } finally {
       setActionBusy(false);
     }
@@ -751,7 +760,7 @@ export default function UpdatePage({
                   size="large"
                   onClick={() => {
                     setConfirmReadyToDownload(true);
-                    setShowUpgradeModal(true);
+                    setModalError(""); setShowUpgradeModal(true);
                   }}
                   disabled={actionBusy}
                   icon={<Download size={16} />}
@@ -834,6 +843,13 @@ export default function UpdatePage({
         onClose={() => setShowUpgradeModal(false)}
       >
         <div className="tn-stepper-surface">
+          {modalError && (
+            <div className="tn-modal-error-banner" role="alert">
+              <AlertCircle size={16} />
+              <span>{modalError}</span>
+            </div>
+          )}
+
           {/* 4 Steps Horizontal (Exact ASCII: (1) 版本确认 (2) 下载更新包 (3) 校验与准备 (4) 重启恢复) */}
           <div className="tn-stepper-wrap">
             <Steps current={currentStep} theme="default">
diff --git a/web-next/src/styles/theme.css b/web-next/src/styles/theme.css
index a6ee31e..9ba9b38 100644
--- a/web-next/src/styles/theme.css
+++ b/web-next/src/styles/theme.css
@@ -116,7 +116,35 @@ input:focus-visible, textarea:focus-visible, select:focus-visible {
   transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1) !important;
 }
 .t-notification__show--top-right {
-  right: 20px !important;
+  top: 76px !important;
+  right: 24px !important;
+  z-index: 6000 !important;
+}
+@media (max-width: 768px) {
+  .t-notification__show--top-right {
+    top: 16px !important;
+    right: 16px !important;
+    left: 16px !important;
+    width: auto !important;
+  }
+}
+.tn-modal-error-banner {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 11px 16px;
+  margin-bottom: 16px;
+  border-radius: 6px;
+  background: #fef2f2;
+  border: 1px solid #fecaca;
+  color: #991b1b;
+  font-size: 13.5px;
+  font-weight: 500;
+  line-height: 1.4;
+}
+.tn-modal-error-banner svg {
+  flex-shrink: 0;
+  color: #dc2626;
 }
 
 /* 核心对齐修复：清除 TDesign 默认的 margin-top: 8px 导致的文字下沉不居中 */