diff --git a/apps/web/src/app/propose/success/WalletCheckout.tsx b/apps/web/src/app/propose/success/WalletCheckout.tsx
index ed7638d..3bbf029 100644
--- a/apps/web/src/app/propose/success/WalletCheckout.tsx
+++ b/apps/web/src/app/propose/success/WalletCheckout.tsx
@@ -1,6 +1,6 @@
 "use client";
 
-import { Copy, ExternalLink, Wallet } from "lucide-react";
+import { AlertTriangle, CheckCircle2, Copy, ExternalLink, QrCode, ShieldCheck, Wallet } from "lucide-react";
 import { useState } from "react";
 
 type WalletCheckoutProps = {
@@ -44,6 +44,12 @@ function CopyRow({ label, value, copyValue, copiedKey, copied, onCopy }: CopyRow
   );
 }
 
+function shortAddress(value: string) {
+  if (!value) return "";
+  if (value.length <= 18) return value;
+  return `${value.slice(0, 10)}...${value.slice(-8)}`;
+}
+
 export function WalletCheckout({
   amountUsdc,
   network,
@@ -59,6 +65,19 @@ export function WalletCheckout({
   const [copied, setCopied] = useState("");
   const paymentMemo = `VibeWork Proposal ${proposalId}`;
   const walletReady = Boolean(walletAddress);
+  const qrData = paymentUri || walletAddress;
+  const qrCodeUrl = qrData
+    ? `https://api.qrserver.com/v1/create-qr-code/?size=220x220&margin=12&data=${encodeURIComponent(qrData)}`
+    : "";
+  const checkoutDetails = [
+    `VibeWork wallet checkout`,
+    `Amount: ${amountUsdc} USDC`,
+    `Network: ${network}`,
+    `Wallet: ${walletAddress}`,
+    `Chain ID: ${chainId}`,
+    `USDC token: ${tokenAddress}`,
+    `Memo: ${paymentMemo}`,
+  ].join("\n");
 
   const copyValue = async (key: string, value: string) => {
     try {
@@ -71,26 +90,37 @@ export function WalletCheckout({
   };
 
   return (
-    <div className="rounded-md border border-emerald-400/20 bg-emerald-400/10 p-4">
+    <div className="rounded-lg border border-emerald-400/25 bg-emerald-400/10 p-4 shadow-2xl shadow-emerald-950/20 md:p-5">
       <div className="mb-4 flex flex-col gap-3 md:flex-row md:items-start md:justify-between">
         <div className="flex items-start gap-3">
           <Wallet className="mt-0.5 h-5 w-5 text-emerald-300" />
           <div>
             <h2 className="text-base font-semibold text-emerald-50">USDC wallet checkout</h2>
             <p className="mt-1 text-sm leading-6 text-emerald-100/75">
-              請使用 Base USDC 轉帳，完成後貼上 tx hash 進入人工確認。
+              請用自己的錢包確認金額、鏈與收款地址後付款。完成後貼上 tx hash，系統會先自動驗證 Base USDC。
             </p>
           </div>
         </div>
-        {paymentUri && !capturedReference ? (
-          <a
-            href={paymentUri}
-            className="inline-flex h-11 items-center justify-center gap-2 rounded-md bg-emerald-300 px-4 text-sm font-semibold text-zinc-950 hover:bg-emerald-200"
+        <div className="flex flex-wrap gap-2">
+          <button
+            type="button"
+            onClick={() => copyValue("all", checkoutDetails)}
+            disabled={!walletReady}
+            className="inline-flex h-10 items-center justify-center gap-2 rounded-md border border-emerald-300/30 px-3 text-xs font-semibold text-emerald-100 hover:bg-emerald-300/10 disabled:cursor-not-allowed disabled:opacity-50"
           >
-            <ExternalLink className="h-4 w-4" />
-            開啟錢包付款
-          </a>
-        ) : null}
+            <Copy className="h-4 w-4" />
+            {copied === "all" ? "已複製全部" : "複製付款資訊"}
+          </button>
+          {paymentUri && !capturedReference ? (
+            <a
+              href={paymentUri}
+              className="inline-flex h-10 items-center justify-center gap-2 rounded-md bg-emerald-300 px-3 text-xs font-semibold text-zinc-950 hover:bg-emerald-200"
+            >
+              <ExternalLink className="h-4 w-4" />
+              開啟錢包
+            </a>
+          ) : null}
+        </div>
       </div>
 
       {capturedReference ? (
@@ -99,36 +129,90 @@ export function WalletCheckout({
         </div>
       ) : null}
 
-      <dl className="text-sm">
-        <CopyRow
-          label="Amount"
-          value={`${amountUsdc} USDC`}
-          copyValue={amountUsdc}
-          copiedKey="amount"
-          copied={copied}
-          onCopy={copyValue}
-        />
-        <CopyRow label="Network" value={network} copiedKey="network" copied={copied} onCopy={copyValue} />
-        <CopyRow
-          label="Wallet"
-          value={walletReady ? walletAddress : `${walletLabel} is not configured yet`}
-          copyValue={walletAddress}
-          copiedKey="wallet"
-          copied={copied}
-          onCopy={copyValue}
-        />
-        {walletReady ? (
-          <>
-            <CopyRow label="Chain ID" value={chainId} copiedKey="chain" copied={copied} onCopy={copyValue} />
-            <CopyRow label="USDC token" value={tokenAddress} copiedKey="token" copied={copied} onCopy={copyValue} />
-            <CopyRow label="Atomic amount" value={atomicAmount} copiedKey="atomic" copied={copied} onCopy={copyValue} />
-            <CopyRow label="Payment memo" value={paymentMemo} copiedKey="memo" copied={copied} onCopy={copyValue} />
-            {paymentUri ? (
-              <CopyRow label="Wallet link" value={paymentUri} copiedKey="uri" copied={copied} onCopy={copyValue} />
+      <div className="grid gap-4 lg:grid-cols-[minmax(0,1fr)_240px]">
+        <div className="rounded-md border border-emerald-300/15 bg-zinc-950/70 p-4">
+          <div className="grid gap-3 sm:grid-cols-3">
+            <div>
+              <div className="text-xs font-medium text-emerald-100/60">應付金額</div>
+              <div className="mt-1 text-2xl font-semibold text-emerald-200">{amountUsdc}</div>
+              <div className="text-xs text-emerald-100/60">USDC</div>
+            </div>
+            <div>
+              <div className="text-xs font-medium text-emerald-100/60">網路</div>
+              <div className="mt-2 text-sm font-semibold text-emerald-50">{network}</div>
+              <div className="text-xs text-emerald-100/60">Chain ID {chainId}</div>
+            </div>
+            <div>
+              <div className="text-xs font-medium text-emerald-100/60">收款錢包</div>
+              <div className="mt-2 font-mono text-sm font-semibold text-emerald-50">
+                {walletReady ? shortAddress(walletAddress) : walletLabel}
+              </div>
+              <div className="text-xs text-emerald-100/60">Treasury</div>
+            </div>
+          </div>
+
+          <div className="mt-4 grid gap-2 text-xs leading-5 text-emerald-50/80 sm:grid-cols-3">
+            <div className="flex gap-2 rounded-md border border-emerald-300/10 bg-emerald-300/5 p-3">
+              <CheckCircle2 className="mt-0.5 h-4 w-4 shrink-0 text-emerald-300" />
+              <span>金額需完全等於 {amountUsdc} USDC。</span>
+            </div>
+            <div className="flex gap-2 rounded-md border border-emerald-300/10 bg-emerald-300/5 p-3">
+              <ShieldCheck className="mt-0.5 h-4 w-4 shrink-0 text-emerald-300" />
+              <span>只支援 Base USDC；錯鏈不會自動入帳。</span>
+            </div>
+            <div className="flex gap-2 rounded-md border border-emerald-300/10 bg-emerald-300/5 p-3">
+              <AlertTriangle className="mt-0.5 h-4 w-4 shrink-0 text-amber-200" />
+              <span>請勿轉入 ETH、USDT 或其他 token。</span>
+            </div>
+          </div>
+
+          <dl className="mt-4 text-sm">
+            <CopyRow
+              label="Amount"
+              value={`${amountUsdc} USDC`}
+              copyValue={amountUsdc}
+              copiedKey="amount"
+              copied={copied}
+              onCopy={copyValue}
+            />
+            <CopyRow label="Network" value={network} copiedKey="network" copied={copied} onCopy={copyValue} />
+            <CopyRow
+              label="Wallet"
+              value={walletReady ? walletAddress : `${walletLabel} is not configured yet`}
+              copyValue={walletAddress}
+              copiedKey="wallet"
+              copied={copied}
+              onCopy={copyValue}
+            />
+            {walletReady ? (
+              <>
+                <CopyRow label="Chain ID" value={chainId} copiedKey="chain" copied={copied} onCopy={copyValue} />
+                <CopyRow label="USDC token" value={tokenAddress} copiedKey="token" copied={copied} onCopy={copyValue} />
+                <CopyRow label="Atomic amount" value={atomicAmount} copiedKey="atomic" copied={copied} onCopy={copyValue} />
+                <CopyRow label="Payment memo" value={paymentMemo} copiedKey="memo" copied={copied} onCopy={copyValue} />
+                {paymentUri ? (
+                  <CopyRow label="Wallet link" value={paymentUri} copiedKey="uri" copied={copied} onCopy={copyValue} />
+                ) : null}
+              </>
             ) : null}
-          </>
+          </dl>
+        </div>
+
+        {walletReady && qrCodeUrl ? (
+          <div className="rounded-md border border-emerald-300/15 bg-zinc-950/70 p-4">
+            <div className="mb-3 flex items-center gap-2 text-sm font-semibold text-emerald-50">
+              <QrCode className="h-4 w-4 text-emerald-300" />
+              掃碼付款
+            </div>
+            <div className="rounded-md bg-white p-3">
+              <img src={qrCodeUrl} alt="VibeWork USDC payment QR code" className="mx-auto h-52 w-52" />
+            </div>
+            <p className="mt-3 text-xs leading-5 text-emerald-100/70">
+              掃碼後仍請在錢包內確認網路、金額與收款地址。
+            </p>
+          </div>
         ) : null}
-      </dl>
+      </div>
 
       {copied === "copy-failed" ? (
         <p className="mt-3 text-xs text-amber-100">瀏覽器阻擋自動複製，請手動選取付款資訊。</p>
diff --git a/apps/web/src/app/propose/success/page.tsx b/apps/web/src/app/propose/success/page.tsx
index eb55a0d..f62341f 100644
--- a/apps/web/src/app/propose/success/page.tsx
+++ b/apps/web/src/app/propose/success/page.tsx
@@ -218,6 +218,18 @@ export default async function ProposalSuccessPage({ searchParams }: { searchPara
                         placeholder={`建議填：VibeWork Proposal ${task?.id || taskId}`}
                       />
                     </label>
+                    <label className="flex gap-3 rounded-md border border-emerald-300/20 bg-emerald-300/10 p-3 text-xs leading-5 text-emerald-50">
+                      <input
+                        required
+                        type="checkbox"
+                        name="paymentConfirmed"
+                        value="yes"
+                        className="mt-1 h-4 w-4 shrink-0 accent-emerald-400"
+                      />
+                      <span>
+                        我確認已使用 Base USDC 轉出正確金額到上方 VibeWork Treasury 地址；我了解 receipt 送出不等於入帳，系統需驗證鏈上轉帳後才會計入 paid conversion。
+                      </span>
+                    </label>
                     <button
                       type="submit"
                       className="inline-flex h-10 items-center justify-center rounded-md bg-emerald-400 px-4 text-sm font-semibold text-zinc-950 hover:bg-emerald-300"
diff --git a/apps/web/src/app/propose/wallet/actions.ts b/apps/web/src/app/propose/wallet/actions.ts
index aa566a7..073e8ee 100644
--- a/apps/web/src/app/propose/wallet/actions.ts
+++ b/apps/web/src/app/propose/wallet/actions.ts
@@ -59,6 +59,7 @@ export async function submitWalletReceipt(formData: FormData) {
   const network = cleanText(getString(formData, "network"), 80);
   const amountCents = parseAmountCents(getString(formData, "amountUsdc"));
   const note = cleanText(getString(formData, "note"), 500);
+  const paymentConfirmed = getString(formData, "paymentConfirmed") === "yes";
 
   if (!taskId) {
     throw new Error("缺少 Proposal ID。");
@@ -68,6 +69,10 @@ export async function submitWalletReceipt(formData: FormData) {
     throw new Error("請提供有效的 tx hash 或付款 reference。");
   }
 
+  if (!paymentConfirmed) {
+    throw new Error("請先確認已使用 Base USDC 轉帳正確金額到 VibeWork Treasury，再提交 receipt。");
+  }
+
   const task = await prisma.task.findUnique({
     where: { id: taskId },
     select: {
@@ -144,6 +149,7 @@ export async function submitWalletReceipt(formData: FormData) {
         source,
         campaign,
         note: note || null,
+        payment_confirmed_by_proposer: paymentConfirmed,
         idempotency_key: idempotencyKey,
         already_verified: Boolean(existingCapture),
         auto_verification: autoVerification,