fix: 退款审批可以是0

src/views/finance/refund/index.vue

@@ -68,7 +68,7 @@
               <span>{{ currentRefund?.refund_no }}</span>
             </ElFormItem>
             <ElFormItem label="申请退款金额">
-              <span>{{ formatCurrency(currentRefund?.requested_refund_amount || 0) }}</span>
+              <span>{{ formatCurrency(currentRefund?.requested_refund_amount) }}</span>
             </ElFormItem>
             <ElFormItem label="实际退款金额" prop="approved_refund_amount">
               <ElInputNumber
@@ -410,7 +410,9 @@
   const refundList = ref<Refund[]>([])
 
   // 格式化货币 - 将分转换为元
-  const formatCurrency = (amount: number): string => {
+  const formatCurrency = (amount: number | null | undefined): string => {
+    if (amount === undefined || amount === null || Number.isNaN(amount)) return '-'
+
     return `¥${(amount / 100).toFixed(2)}`
   }
 
@@ -496,8 +498,7 @@
       prop: 'approved_refund_amount',
       label: '实际退款金额',
       width: 150,
-      formatter: (row: Refund) =>
-        row.approved_refund_amount === null ? '-' : formatCurrency(row.approved_refund_amount)
+      formatter: (row: Refund) => formatCurrency(row.approved_refund_amount)
     },
     {
       prop: 'actual_received_amount',
@@ -797,8 +798,8 @@
   const handleShowResubmit = (row: Refund) => {
     currentRefund.value = row
     // 预填充原有数据
-    resubmitForm.requested_refund_amount = row.requested_refund_amount / 100
-    resubmitForm.actual_received_amount = fenToYuan(row.actual_received_amount)
+    resubmitForm.requested_refund_amount = fenToYuan(row.requested_refund_amount) || undefined
+    resubmitForm.actual_received_amount = fenToYuan(row.actual_received_amount) || undefined
     resubmitForm.refund_reason = row.refund_reason
     resubmitDialogVisible.value = true
   }