diff --git a/backend/internal/modules/chat/listing_group.go b/backend/internal/modules/chat/listing_group.go
index 6ae9683..3b11798 100644
--- a/backend/internal/modules/chat/listing_group.go
+++ b/backend/internal/modules/chat/listing_group.go
@@ -316,7 +316,7 @@ func checkQrCodeStockAndAlert(tx *gorm.DB, conversation *model.ChatConversation)
 		alertContent := fmt.Sprintf("企业微信群二维码库存不足（剩余 %d 张），请及时补充", count)
 
 		// 发送站内信给所有客服
-		var entries []interface{}
+		entries := make([]map[string]interface{}, 0, len(csAdmins))
 		now := time.Now()
 		for _, admin := range csAdmins {
 			entries = append(entries, map[string]interface{}{
diff --git a/frontend/src/features/seller/composables/usePublishDraft.ts b/frontend/src/features/seller/composables/usePublishDraft.ts
index 303ce33..e085099 100644
--- a/frontend/src/features/seller/composables/usePublishDraft.ts
+++ b/frontend/src/features/seller/composables/usePublishDraft.ts
@@ -89,8 +89,9 @@ function normalizeDraftForm(value: unknown): PublishForm {
   next.common_regions = Array.isArray(value.common_regions)
     ? value.common_regions.filter((region): region is string => typeof region === 'string')
     : []
-  // 默认使用参考比例：如果草稿中的 accelerated_sale_ratio 是 0 或未设置，重置为空字符串
-  if (!next.accelerated_sale_ratio || next.accelerated_sale_ratio === 0) {
+  // 默认使用参考比例：如果草稿中的 accelerated_sale_ratio 是 0、未设置或非法值，重置为空字符串
+  const acceleratedRatio = Number(next.accelerated_sale_ratio)
+  if (!Number.isFinite(acceleratedRatio) || acceleratedRatio <= 0) {
     next.accelerated_sale_ratio = ''
   }
   if (next.haf_coin_amount === 0) next.haf_coin_amount = ''
diff --git a/frontend/src/features/seller/views/SellerListingCreateView.vue b/frontend/src/features/seller/views/SellerListingCreateView.vue
index d9dc872..fbc1c49 100644
--- a/frontend/src/features/seller/views/SellerListingCreateView.vue
+++ b/frontend/src/features/seller/views/SellerListingCreateView.vue
@@ -566,7 +566,7 @@ function selectDailyLoss(value: string | number) {
                 class="ratio-mode-btn"
                 :class="{
                   active:
-                    form.accelerated_sale_ratio === maxAcceleratedSaleRatio &&
+                    Number(form.accelerated_sale_ratio) === maxAcceleratedSaleRatio &&
                     maxAcceleratedSaleRatio > 0,
                 }"
                 :disabled="maxAcceleratedSaleRatio <= 0"
@@ -584,7 +584,7 @@ function selectDailyLoss(value: string | number) {
                 :class="{
                   active:
                     hasAcceleratedSaleRatioInput() &&
-                    form.accelerated_sale_ratio !== maxAcceleratedSaleRatio,
+                    Number(form.accelerated_sale_ratio) !== maxAcceleratedSaleRatio,
                 }"
               >
                 <strong>自定比例</strong>
diff --git a/frontend/src/shared/utils/pricing.ts b/frontend/src/shared/utils/pricing.ts
index 6035365..03440d2 100644
--- a/frontend/src/shared/utils/pricing.ts
+++ b/frontend/src/shared/utils/pricing.ts
@@ -170,8 +170,9 @@ export function readFinalSaleRatio(
   return roundRatio(Math.min(Math.max(ratio, defaultRatio), maxAcceleratedSaleRatio))
 }
 
-export function hasAcceleratedSaleRatioInput(value: number | '') {
-  return value !== '' && value !== null
+export function hasAcceleratedSaleRatioInput(value: number | '' | null | undefined) {
+  const ratio = Number(value)
+  return value !== '' && value !== null && value !== undefined && Number.isFinite(ratio) && ratio > 0
 }
 
 export function calculatePlatformPricing(options: {