diff --git a/frontend/src/pages/refund-items/__tests__/index.spec.ts b/frontend/src/pages/refund-items/__tests__/index.spec.ts
index 89f5f9f..b19c5b3 100644
--- a/frontend/src/pages/refund-items/__tests__/index.spec.ts
+++ b/frontend/src/pages/refund-items/__tests__/index.spec.ts
@@ -20,6 +20,12 @@ Object.defineProperty(window, 'matchMedia', {
   }),
 })
 
+const mockRouterPush = vi.fn()
+vi.mock('vue-router', () => ({
+  useRoute: () => ({ query: {} }),
+  useRouter: () => ({ push: mockRouterPush }),
+}))
+
 vi.mock('@/utils/request', () => ({
   api: {
     get: vi.fn(),
@@ -91,7 +97,7 @@ const mockLookupCompanies = [
   { id: 1, name: 'Company A', label: '公司A' },
   { id: 2, name: 'Company B', label: '公司B' },
 ]
-const mockLookupPlatforms = [{ id: 1, developer_id: 1 }]
+const mockLookupPlatforms = [{ id: 1, name: 'Tmall', label: '天猫', developer_id: 1 }]
 const mockLookupStores = [
   { id: 1, company_id: 1, platform_id: 1, name: 'Store 1', label: '店铺1' },
   { id: 2, company_id: 2, platform_id: 1, name: 'Store 2', label: '店铺2' },
@@ -260,10 +266,26 @@ describe('useRefundItemStore', () => {
       await store.loadLookups()
 
       expect(store.companyMap.get(1)).toBe('公司A')
-      expect(store.platformMap.get(1)).toBe('平台 #1')
+      expect(store.platformMap.get(1)).toBe('天猫')
       expect(store.storeMap.get(1)).toBe('店铺1')
     })
 
+    it('filters null and "null" labels in lookup maps', async () => {
+      const { api } = await import('@/utils/request')
+      vi.mocked(api.get)
+        .mockResolvedValueOnce([{ id: 1, name: 'CompanyA', label: null }, { id: 2, name: 'CompanyB', label: 'null' }])
+        .mockResolvedValueOnce([{ id: 1, name: 'Tmall', label: 'null', developer_id: 1 }])
+        .mockResolvedValueOnce([{ id: 1, company_id: 1, platform_id: 1, name: 'Store1', label: null }])
+
+      const store = useRefundItemStore()
+      await store.loadLookups()
+
+      expect(store.companyMap.get(1)).toBe('CompanyA')
+      expect(store.companyMap.get(2)).toBe('CompanyB')
+      expect(store.platformMap.get(1)).toBe('Tmall')
+      expect(store.storeMap.get(1)).toBe('Store1')
+    })
+
     it('handles loadLookups failure gracefully', async () => {
       const { api } = await import('@/utils/request')
       const warnSpy = vi.spyOn(console, 'warn').mockImplementation(() => {})
@@ -287,6 +309,7 @@ describe('RefundItemsPage', () => {
   beforeEach(() => {
     setActivePinia(createPinia())
     vi.restoreAllMocks()
+    mockRouterPush.mockClear()
     document.body.innerHTML = ''
   })
 
@@ -533,4 +556,92 @@ describe('RefundItemsPage', () => {
 
     expect(errorSpy).toHaveBeenCalledWith('获取退款项详情失败')
   })
+
+  it('filter form has filter-form class', async () => {
+    await mountPage()
+
+    const form = wrapper.find('form.filter-form')
+    expect(form.exists()).toBe(true)
+  })
+
+  it('renders platform name from lookup map (not hardcoded fallback)', async () => {
+    await mountPage()
+
+    const html = wrapper.html()
+    expect(html).toContain('天猫')
+    expect(html).not.toContain('平台 #1')
+  })
+
+  it('renders copy buttons before text in platform_refund_id column', async () => {
+    await mountPage()
+
+    const cells = wrapper.findAll('td')
+    const refundIdCell = cells.find((c) => c.text().includes('RF-20260101-001'))
+    expect(refundIdCell).toBeDefined()
+
+    const cellHtml = refundIdCell!.html()
+    const copyPos = cellHtml.indexOf('copy-icon-stub')
+    const textPos = cellHtml.indexOf('RF-20260101-001')
+    expect(copyPos).toBeLessThan(textPos)
+  })
+
+  it('renders copy button for platform_sub_order_id when value exists', async () => {
+    await mountPage()
+
+    const cells = wrapper.findAll('td')
+    const subOrderCell = cells.find((c) => c.text().includes('SUB-001'))
+    expect(subOrderCell).toBeDefined()
+    expect(subOrderCell!.find('.copy-icon-stub').exists()).toBe(true)
+  })
+
+  it('does not render copy button for platform_sub_order_id when value is null', async () => {
+    await mountPage()
+
+    const cells = wrapper.findAll('td')
+    const dashCells = cells.filter((c) => c.text().trim() === '-')
+    const noCopyDash = dashCells.some((c) => !c.find('.copy-icon-stub').exists())
+    expect(noCopyDash).toBe(true)
+  })
+
+  it('renders copy button for platform_product_id column', async () => {
+    await mountPage()
+
+    const cells = wrapper.findAll('td')
+    const prodIdCell = cells.find((c) => c.text().includes('PROD-001'))
+    expect(prodIdCell).toBeDefined()
+    expect(prodIdCell!.find('.copy-icon-stub').exists()).toBe(true)
+  })
+
+  it('handleGoToOrder includes auto_submit in router push', async () => {
+    await mountPage()
+
+    const links = wrapper.findAll('a')
+    const orderLink = links.find((l) => l.text().includes('ORD-20260101-001'))
+    expect(orderLink).toBeDefined()
+
+    await orderLink!.trigger('click')
+    await flushPromises()
+
+    expect(mockRouterPush).toHaveBeenCalledWith({
+      path: '/orders',
+      query: { platform_order_id: 'ORD-20260101-001', auto_submit: '1' },
+    })
+  })
+
+  it('handleGoToRefund passes platform_refund_id and auto_submit', async () => {
+    await mountPage()
+
+    // refund_id column renders as clickable link
+    const links = wrapper.findAll('a')
+    const refundLink = links.find((l) => l.text().trim() === '201')
+    expect(refundLink).toBeDefined()
+
+    await refundLink!.trigger('click')
+    await flushPromises()
+
+    expect(mockRouterPush).toHaveBeenCalledWith({
+      path: '/refunds',
+      query: { platform_refund_id: 'RF-20260101-001', auto_submit: '1' },
+    })
+  })
 })
diff --git a/frontend/src/pages/refund-items/index.vue b/frontend/src/pages/refund-items/index.vue
index 0bce549..8657dc5 100644
--- a/frontend/src/pages/refund-items/index.vue
+++ b/frontend/src/pages/refund-items/index.vue
@@ -45,8 +45,8 @@ const columns = [
   { title: '退款单ID', key: 'refund_id', width: 100 },
   { title: '平台退款ID', key: 'platform_refund_id', width: 160, ellipsis: true },
   { title: '关联订单ID', key: 'platform_order_id', width: 160, ellipsis: true },
-  { title: '子订单ID', dataIndex: 'platform_sub_order_id', width: 140, ellipsis: true },
-  { title: '平台商品ID', dataIndex: 'platform_product_id', width: 140, ellipsis: true },
+  { title: '子订单ID', key: 'platform_sub_order_id', width: 140, ellipsis: true },
+  { title: '平台商品ID', key: 'platform_product_id', width: 140, ellipsis: true },
   { title: '退款状态', key: 'refund_status', width: 110 },
   { title: '退款类型', key: 'refund_type', width: 130 },
   { title: '数量', dataIndex: 'quantity', width: 80 },
@@ -103,7 +103,7 @@ function formatTime(time: string | null) {
   return time.replace('T', ' ').substring(0, 16)
 }
 
-async function handleCopyId(text: string, label: string) {
+async function handleCopy(text: string, label: string) {
   try {
     await navigator.clipboard.writeText(text)
     message.success(`已复制${label}`)
@@ -113,11 +113,17 @@ async function handleCopyId(text: string, label: string) {
 }
 
 function handleGoToOrder(platformOrderId: string) {
-  router.push({ path: '/orders', query: { platform_order_id: platformOrderId } })
+  router.push({
+    path: '/orders',
+    query: { platform_order_id: platformOrderId, auto_submit: '1' },
+  })
 }
 
-function handleGoToRefund(refundId: number) {
-  router.push({ path: '/refunds', query: { id: String(refundId) } })
+function handleGoToRefund(platformRefundId: string) {
+  router.push({
+    path: '/refunds',
+    query: { platform_refund_id: platformRefundId, auto_submit: '1' },
+  })
 }
 
 async function handleViewDetail(record: { id: number }) {
@@ -147,7 +153,7 @@ async function handleViewDetail(record: { id: number }) {
 
     <!-- Filter area -->
     <a-card class="mb-4">
-      <a-form layout="inline" @submit.prevent="handleSearch">
+      <a-form layout="inline" class="filter-form" @submit.prevent="handleSearch">
         <a-form-item>
           <CascadeFilter v-model="store.cascadeValue" />
         </a-form-item>
@@ -260,29 +266,50 @@ async function handleViewDetail(record: { id: number }) {
           <template v-else-if="column.key === 'refund_id'">
             <a
               class="text-blue-500 cursor-pointer"
-              @click="handleGoToRefund(record.refund_id)"
+              @click="handleGoToRefund(record.platform_refund_id)"
             >
               {{ record.refund_id }}
             </a>
           </template>
           <template v-else-if="column.key === 'platform_refund_id'">
-            {{ record.platform_refund_id }}
-            <CopyOutlined
-              class="ml-1 cursor-pointer text-gray-400 hover:text-blue-500"
-              @click.stop="handleCopyId(record.platform_refund_id, '平台退款ID')"
-            />
+            <span class="inline-flex items-center gap-1">
+              <CopyOutlined
+                class="flex-shrink-0 cursor-pointer text-gray-400 hover:text-blue-500"
+                @click.stop="handleCopy(record.platform_refund_id, '平台退款ID')"
+              />
+              <span class="truncate">{{ record.platform_refund_id }}</span>
+            </span>
           </template>
           <template v-else-if="column.key === 'platform_order_id'">
-            <a
-              class="text-blue-500 cursor-pointer"
-              @click="handleGoToOrder(record.platform_order_id)"
-            >
-              {{ record.platform_order_id }}
-            </a>
-            <CopyOutlined
-              class="ml-1 cursor-pointer text-gray-400 hover:text-blue-500"
-              @click.stop="handleCopyId(record.platform_order_id, '平台订单ID')"
-            />
+            <span class="inline-flex items-center gap-1">
+              <CopyOutlined
+                class="flex-shrink-0 cursor-pointer text-gray-400 hover:text-blue-500"
+                @click.stop="handleCopy(record.platform_order_id, '平台订单ID')"
+              />
+              <a class="truncate text-blue-500 cursor-pointer"
+                 @click="handleGoToOrder(record.platform_order_id)">
+                {{ record.platform_order_id }}
+              </a>
+            </span>
+          </template>
+          <template v-else-if="column.key === 'platform_sub_order_id'">
+            <span v-if="record.platform_sub_order_id" class="inline-flex items-center gap-1">
+              <CopyOutlined
+                class="flex-shrink-0 cursor-pointer text-gray-400 hover:text-blue-500"
+                @click.stop="handleCopy(record.platform_sub_order_id, '子订单ID')"
+              />
+              <span class="truncate">{{ record.platform_sub_order_id }}</span>
+            </span>
+            <span v-else>-</span>
+          </template>
+          <template v-else-if="column.key === 'platform_product_id'">
+            <span class="inline-flex items-center gap-1">
+              <CopyOutlined
+                class="flex-shrink-0 cursor-pointer text-gray-400 hover:text-blue-500"
+                @click.stop="handleCopy(record.platform_product_id, '平台商品ID')"
+              />
+              <span class="truncate">{{ record.platform_product_id }}</span>
+            </span>
           </template>
           <template v-else-if="column.key === 'refund_status'">
             <a-tag
@@ -351,7 +378,7 @@ async function handleViewDetail(record: { id: number }) {
             <a-descriptions-item label="退款单ID">
               <a
                 class="text-blue-500 cursor-pointer"
-                @click="handleGoToRefund(refundItemDetail.refund_id)"
+                @click="handleGoToRefund(refundItemDetail.platform_refund_id)"
               >
                 {{ refundItemDetail.refund_id }}
               </a>
@@ -360,7 +387,7 @@ async function handleViewDetail(record: { id: number }) {
               {{ refundItemDetail.platform_refund_id }}
               <CopyOutlined
                 class="ml-2 cursor-pointer text-blue-500"
-                @click="handleCopyId(refundItemDetail.platform_refund_id, '平台退款ID')"
+                @click="handleCopy(refundItemDetail.platform_refund_id, '平台退款ID')"
               />
             </a-descriptions-item>
             <a-descriptions-item label="父退款ID">
@@ -375,7 +402,7 @@ async function handleViewDetail(record: { id: number }) {
               </a>
               <CopyOutlined
                 class="ml-2 cursor-pointer text-blue-500"
-                @click="handleCopyId(refundItemDetail.platform_order_id, '平台订单ID')"
+                @click="handleCopy(refundItemDetail.platform_order_id, '平台订单ID')"
               />
             </a-descriptions-item>
             <a-descriptions-item label="子订单ID">
diff --git a/frontend/src/stores/refund-item.ts b/frontend/src/stores/refund-item.ts
index 32b52a8..cd36e11 100644
--- a/frontend/src/stores/refund-item.ts
+++ b/frontend/src/stores/refund-item.ts
@@ -35,24 +35,24 @@ export const useRefundItemStore = defineStore('refundItem', () => {
 
   // 名称映射数据
   const companies = ref<LookupItem[]>([])
-  const platforms = ref<{ id: number; developer_id: number }[]>([])
+  const platforms = ref<{ id: number; name: string; label?: string; developer_id: number }[]>([])
   const stores = ref<(LookupItem & { company_id: number; platform_id: number })[]>([])
 
   const companyMap = computed(
-    () => new Map(companies.value.map((c) => [c.id, c.label || c.name])),
+    () => new Map(companies.value.map((c) => [c.id, (c.label && c.label !== 'null') ? c.label : c.name])),
   )
   const platformMap = computed(
-    () => new Map(platforms.value.map((p) => [p.id, `平台 #${p.id}`])),
+    () => new Map(platforms.value.map((p) => [p.id, (p.label && p.label !== 'null') ? p.label : (p.name || `平台 #${p.id}`)])),
   )
   const storeMap = computed(
-    () => new Map(stores.value.map((s) => [s.id, s.label || s.name])),
+    () => new Map(stores.value.map((s) => [s.id, (s.label && s.label !== 'null') ? s.label : s.name])),
   )
 
   async function loadLookups() {
     try {
       const [c, p, s] = await Promise.all([
         api.get<LookupItem[]>('/api/v1/companies'),
-        api.get<{ id: number; developer_id: number }[]>('/api/v1/platforms'),
+        api.get<{ id: number; name: string; label?: string; developer_id: number }[]>('/api/v1/platforms'),
         api.get<(LookupItem & { company_id: number; platform_id: number })[]>(
           '/api/v1/stores',
         ),