diff --git a/docker-compose.prod.yml b/docker-compose.prod.yml
index 90e93f1..f3ca775 100644
--- a/docker-compose.prod.yml
+++ b/docker-compose.prod.yml
@@ -1,6 +1,6 @@
 services:
   app:
-    image: sub2apipay:latest
+    image: touwaeriol/sub2apipay:${IMAGE_TAG:-latest}
     container_name: sub2apipay
     ports:
       - '8087:3000'
diff --git a/src/app/pay/page.tsx b/src/app/pay/page.tsx
index 2e5ce9d..763c156 100644
--- a/src/app/pay/page.tsx
+++ b/src/app/pay/page.tsx
@@ -59,6 +59,7 @@ function PayContent() {
     maxAmount: 1000,
     maxDailyAmount: 0,
   });
+  const [userNotFound, setUserNotFound] = useState(false);
 
   const effectiveUserId = resolvedUserId || userId;
   const isEmbedded = uiMode === 'embedded' && isIframeContext;
@@ -100,6 +101,9 @@ function PayContent() {
             methodLimits: cfgData.config.methodLimits,
           });
         }
+      } else if (cfgRes.status === 404) {
+        setUserNotFound(true);
+        return;
       }
 
       // 有 token 时才尝试获取用户详情和订单
@@ -183,6 +187,17 @@ function PayContent() {
     );
   }
 
+  if (userNotFound) {
+    return (
+      <div className={`flex min-h-screen items-center justify-center p-4 ${isDark ? 'bg-slate-950' : 'bg-slate-50'}`}>
+        <div className="text-center text-red-500">
+          <p className="text-lg font-medium">用户不存在</p>
+          <p className="mt-2 text-sm text-gray-500">请检查链接是否正确，或联系管理员</p>
+        </div>
+      </div>
+    );
+  }
+
   const buildScopedUrl = (path: string, forceOrdersTab = false) => {
     const params = new URLSearchParams();
     if (effectiveUserId) params.set('user_id', String(effectiveUserId));
diff --git a/src/components/PaymentForm.tsx b/src/components/PaymentForm.tsx
index 5d7a1f6..fac376d 100644
--- a/src/components/PaymentForm.tsx
+++ b/src/components/PaymentForm.tsx
@@ -94,14 +94,9 @@ export default function PaymentForm({
     if (type === 'wxpay') {
       return (
         <span className="flex h-8 w-8 items-center justify-center rounded-full bg-[#2BB741] text-white">
-          <svg viewBox="0 0 24 24" className="h-5 w-5" fill="none">
-            <path
-              d="M5 12.5 10.2 17 19 8"
-              stroke="currentColor"
-              strokeWidth="2.4"
-              strokeLinecap="round"
-              strokeLinejoin="round"
-            />
+          <svg viewBox="0 0 24 24" className="h-5 w-5" fill="currentColor">
+            <path d="M10 3C6.13 3 3 5.58 3 8.75c0 1.7.84 3.23 2.17 4.29l-.5 2.21 2.4-1.32c.61.17 1.25.27 1.93.27.22 0 .43-.01.64-.03C9.41 13.72 9 12.88 9 12c0-3.31 3.13-6 7-6 .26 0 .51.01.76.03C15.96 3.98 13.19 3 10 3z" />
+            <path d="M16 8c-3.31 0-6 2.24-6 5s2.69 5 6 5c.67 0 1.31-.1 1.9-.28l2.1 1.15-.55-2.44C20.77 15.52 22 13.86 22 12c0-2.21-2.69-4-6-4z" />
           </svg>
         </span>
       );