diff --git a/frontend/src/components/payment/PaymentProviderDialog.vue b/frontend/src/components/payment/PaymentProviderDialog.vue
index bbd006b447..bea4b5b9c2 100644
--- a/frontend/src/components/payment/PaymentProviderDialog.vue
+++ b/frontend/src/components/payment/PaymentProviderDialog.vue
@@ -158,7 +158,7 @@
                   type="number"
                   :value="getLimitVal(lt.value, 'singleMin')"
                   @input="setLimitVal(lt.value, 'singleMin', ($event.target as HTMLInputElement).value)"
-                  class="input mt-0.5" min="1" step="0.01" :placeholder="t('admin.settings.payment.limitsHint')"
+                  class="input mt-0.5" min="1" step="0.01" :placeholder="limitPlaceholder(lt.value)"
                 />
               </div>
               <div>
@@ -167,7 +167,7 @@
                   type="number"
                   :value="getLimitVal(lt.value, 'singleMax')"
                   @input="setLimitVal(lt.value, 'singleMax', ($event.target as HTMLInputElement).value)"
-                  class="input mt-0.5" min="1" step="0.01" :placeholder="t('admin.settings.payment.limitsHint')"
+                  class="input mt-0.5" min="1" step="0.01" :placeholder="limitPlaceholder(lt.value)"
                 />
               </div>
               <div>
@@ -176,7 +176,7 @@
                   type="number"
                   :value="getLimitVal(lt.value, 'dailyLimit')"
                   @input="setLimitVal(lt.value, 'dailyLimit', ($event.target as HTMLInputElement).value)"
-                  class="input mt-0.5" min="1" step="0.01" :placeholder="t('admin.settings.payment.limitsHint')"
+                  class="input mt-0.5" min="1" step="0.01" :placeholder="limitPlaceholder(lt.value)"
                 />
               </div>
             </div>
@@ -327,6 +327,20 @@ function getLimitVal(paymentType: string, field: string): string {
   return val && val > 0 ? String(val) : ''
 }
 
+/** Returns true if any limit field for this payment type has a value */
+function hasAnyLimit(paymentType: string): boolean {
+  const l = limits[paymentType]
+  if (!l) return false
+  return (l.singleMin > 0) || (l.singleMax > 0) || (l.dailyLimit > 0)
+}
+
+/** Dynamic placeholder: "不限制" if sibling has value, "使用全局配置" if all empty */
+function limitPlaceholder(paymentType: string): string {
+  return hasAnyLimit(paymentType)
+    ? t('admin.settings.payment.limitsNoLimit')
+    : t('admin.settings.payment.limitsUseGlobal')
+}
+
 function setLimitVal(paymentType: string, field: string, val: string) {
   if (!limits[paymentType]) limits[paymentType] = {}
   const num = Number(val)
diff --git a/frontend/src/i18n/locales/en.ts b/frontend/src/i18n/locales/en.ts
index 9abb1df557..b4f5e6d07a 100644
--- a/frontend/src/i18n/locales/en.ts
+++ b/frontend/src/i18n/locales/en.ts
@@ -4398,7 +4398,9 @@ export default {
         limitSingleMin: 'Min per order',
         limitSingleMax: 'Max per order',
         limitDaily: 'Daily limit',
-        limitsHint: 'Leave empty to use global settings',
+        limitsHint: 'All empty = use global config; partially filled = empty means no limit',
+        limitsUseGlobal: 'Use global',
+        limitsNoLimit: 'No limit',
         productNamePrefix: 'Product Name Prefix',
         productNameSuffix: 'Product Name Suffix',
         preview: 'Preview',
diff --git a/frontend/src/i18n/locales/zh.ts b/frontend/src/i18n/locales/zh.ts
index 30569be74b..43bee04a83 100644
--- a/frontend/src/i18n/locales/zh.ts
+++ b/frontend/src/i18n/locales/zh.ts
@@ -4571,7 +4571,9 @@ export default {
         limitSingleMin: '单笔最低',
         limitSingleMax: '单笔最高',
         limitDaily: '每日限额',
-        limitsHint: '留空表示使用全局配置',
+        limitsHint: '全部留空使用全局配置，部分填写时留空项表示不限制',
+        limitsUseGlobal: '使用全局配置',
+        limitsNoLimit: '不限制',
         productNamePrefix: '商品名前缀',
         productNameSuffix: '商品名后缀',
         preview: '预览',
diff --git a/frontend/src/views/user/PaymentView.vue b/frontend/src/views/user/PaymentView.vue
index b4f79997cf..fd59f216c8 100644
--- a/frontend/src/views/user/PaymentView.vue
+++ b/frontend/src/views/user/PaymentView.vue
@@ -231,7 +231,9 @@ async function createOrder(orderAmount: number, orderType: string, planId?: numb
       plan_id: planId,
     })
     if (result.client_secret) {
-      router.push({ path: '/payment/stripe', query: { order_id: String(result.order_id), client_secret: result.client_secret } })
+      const stripeUrl = router.resolve({ path: '/payment/stripe', query: { order_id: String(result.order_id), client_secret: result.client_secret } }).href
+      window.open(stripeUrl, '_blank')
+      router.push({ path: '/payment/qrcode', query: { order_id: String(result.order_id), expires_at: result.expires_at || '', payment_type: 'stripe' } })
     } else if (result.qr_code) {
       router.push({ path: '/payment/qrcode', query: { order_id: String(result.order_id), qr: result.qr_code || '', pay_url: result.pay_url || '', expires_at: result.expires_at || '', payment_type: selectedMethod.value } })
     } else if (result.pay_url) {