diff --git a/frontend/src/components/documentForms/documentForms.test.js b/frontend/src/components/documentForms/documentForms.test.js
index cbfa01f..1870d88 100644
--- a/frontend/src/components/documentForms/documentForms.test.js
+++ b/frontend/src/components/documentForms/documentForms.test.js
@@ -49,4 +49,21 @@ describe("document form foundation", () => {
     assert.match(mainCss, /\.document-settle-panel/);
     assert.match(mainCss, /\.warehouse-paper-control-grid/);
   });
+
+  it("keeps the final paper layout contract after legacy warehouse grid rules", () => {
+    const legacyWarehouseGrid = mainCss.lastIndexOf(".warehouse-document-section-grid {");
+    const finalContract = mainCss.lastIndexOf("Final paper document layout contract");
+    const warehousePaperGrid = mainCss.lastIndexOf("body .warehouse-document-section-grid > .warehouse-paper-grid");
+    const genericWrappedWarehousePaperGrid = mainCss.lastIndexOf("body .document-section-grid > .warehouse-paper-grid");
+    const genericWrappedWarehouseMeta = mainCss.lastIndexOf("body .document-section-grid > .warehouse-document-meta-strip");
+    const genericDocumentGrid = mainCss.lastIndexOf("body .document-section-grid > .document-grid");
+
+    assert.ok(legacyWarehouseGrid > 0, "expected the legacy warehouse grid rule to exist");
+    assert.ok(finalContract > legacyWarehouseGrid, "expected final paper contract after legacy grid rules");
+    assert.ok(warehousePaperGrid > legacyWarehouseGrid, "expected warehouse paper grid full-width rule after legacy grid");
+    assert.ok(genericWrappedWarehousePaperGrid > legacyWarehouseGrid, "expected generic section wrapped warehouse paper grid rule after legacy grid");
+    assert.ok(genericWrappedWarehouseMeta > legacyWarehouseGrid, "expected generic section wrapped warehouse meta strip rule after legacy grid");
+    assert.ok(genericDocumentGrid > 0, "expected generic document grid full-width rule in final contract");
+    assert.match(mainCss.slice(finalContract), /grid-column: 1 \/ -1 !important;/);
+  });
 });
diff --git a/frontend/src/styles/main.css b/frontend/src/styles/main.css
index 6e49bc5..4412898 100644
--- a/frontend/src/styles/main.css
+++ b/frontend/src/styles/main.css
@@ -16282,6 +16282,14 @@ body .login-production-layout .login-security-foot p {
   background: rgba(255, 250, 240, 0.5);
 }
 
+.document-grid-cell-wide {
+  grid-column: span 2;
+}
+
+.document-grid-cell-full {
+  grid-column: 1 / -1;
+}
+
 .document-grid-label,
 .document-grid-value {
   margin: 0;
@@ -16789,11 +16797,21 @@ body .login-production-layout .login-security-foot p {
   padding: 14px;
 }
 
+.document-section-grid > .document-grid,
+.document-section-grid > .document-line-table,
 .document-section-grid > .document-control-grid,
 .document-section-grid > .document-selector-panel,
 .document-section-grid > .document-source-table,
 .document-section-grid > .document-inline-summary,
 .document-section-grid > .document-settle-panel,
+.document-section-grid > .warehouse-document-meta-strip,
+.document-section-grid > .warehouse-paper-grid,
+.document-section-grid > .warehouse-paper-control-grid,
+.document-section-grid > .warehouse-paper-source-lot-panel,
+.document-section-grid > .warehouse-paper-source-lot-table,
+.document-section-grid > .warehouse-paper-inline-summary,
+.document-section-grid > .warehouse-paper-settle-panel,
+.document-section-grid > .warehouse-paper-summary-grid,
 .document-section-grid > .document-paper-field {
   grid-column: 1 / -1;
   width: 100%;
@@ -17036,6 +17054,11 @@ body .login-production-layout .login-security-foot p {
     grid-column: 1 / -1;
   }
 
+  .document-grid-cell-wide,
+  .document-grid-cell-full {
+    grid-column: 1 / -1;
+  }
+
   .document-action-bar,
   .document-action-bar--with-state,
   .document-action-state,
@@ -19250,7 +19273,56 @@ body .warehouse-document-action-bar {
   transform: none !important;
 }
 
+/* Final paper document layout contract: later legacy drawer grids must not squeeze formal document blocks. */
+body .document-section-grid > .document-grid,
+body .document-section-grid > .document-line-table,
+body .document-section-grid > .document-control-grid,
+body .document-section-grid > .document-selector-panel,
+body .document-section-grid > .document-source-table,
+body .document-section-grid > .document-inline-summary,
+body .document-section-grid > .document-settle-panel,
+body .document-section-grid > .document-paper-field,
+body .document-section-grid > .warehouse-document-meta-strip,
+body .document-section-grid > .warehouse-paper-grid,
+body .document-section-grid > .warehouse-paper-control-grid,
+body .document-section-grid > .warehouse-paper-source-lot-panel,
+body .document-section-grid > .warehouse-paper-source-lot-table,
+body .document-section-grid > .warehouse-paper-inline-summary,
+body .document-section-grid > .warehouse-paper-settle-panel,
+body .document-section-grid > .warehouse-paper-summary-grid,
+body .warehouse-document-section-grid > .warehouse-document-meta-strip,
+body .warehouse-document-section-grid > .warehouse-paper-grid,
+body .warehouse-document-section-grid > .warehouse-paper-control-grid,
+body .warehouse-document-section-grid > .warehouse-paper-source-lot-panel,
+body .warehouse-document-section-grid > .warehouse-paper-source-lot-table,
+body .warehouse-document-section-grid > .warehouse-paper-inline-summary,
+body .warehouse-document-section-grid > .warehouse-paper-settle-panel,
+body .warehouse-document-section-grid > .warehouse-paper-summary-grid {
+  grid-column: 1 / -1 !important;
+  width: 100% !important;
+  min-width: 0 !important;
+}
+
+body .workflow-drawer.form-drawer:has(.document-form-shell) {
+  width: min(1280px, calc(100vw - 24px)) !important;
+}
+
+body .workflow-drawer.form-drawer:has(.document-form-shell) .form-drawer-body {
+  overflow-x: hidden !important;
+}
+
+body .document-action-bar {
+  position: relative !important;
+  right: auto !important;
+  bottom: auto !important;
+  z-index: 1 !important;
+  margin: 0 0 0 auto !important;
+  transform: none !important;
+}
+
 @media (max-width: 620px) {
+  body .document-action-bar,
+  body .document-action-bar--with-state,
   body .warehouse-document-action-bar,
   body .warehouse-document-action-bar--shared,
   body .warehouse-document-action-bar--shared.warehouse-document-action-bar--with-state {
diff --git a/frontend/src/views/ReturnManagementView.test.js b/frontend/src/views/ReturnManagementView.test.js
new file mode 100644
index 0000000..f6eaaa5
--- /dev/null
+++ b/frontend/src/views/ReturnManagementView.test.js
@@ -0,0 +1,50 @@
+import assert from "node:assert/strict";
+import { describe, it } from "node:test";
+import { readFileSync } from "node:fs";
+import { dirname, join } from "node:path";
+import { fileURLToPath } from "node:url";
+
+const __dirname = dirname(fileURLToPath(import.meta.url));
+const source = readFileSync(join(__dirname, "ReturnManagementView.vue"), "utf8");
+
+function drawerBlock(openBinding, nextMarker) {
+  const start = source.indexOf(`:open="${openBinding}"`);
+  assert.ok(start >= 0, `expected drawer ${openBinding} to exist`);
+  const end = source.indexOf(nextMarker, start + openBinding.length);
+  assert.ok(end > start, `expected drawer ${openBinding} to end before ${nextMarker}`);
+  return source.slice(start, end);
+}
+
+describe("ReturnManagementView formal document layout", () => {
+  it("renders return registration as a formal paper document instead of a stack form", () => {
+    const block = drawerBlock("returnDrawerOpen", ':open="dispositionDrawerOpen"');
+
+    assert.match(block, /<DocumentFormShell[\s\S]*title="退货登记单"/);
+    assert.match(block, /<DocumentSection index="01" title="退货来源信息"/);
+    assert.match(block, /<DocumentSection index="02" title="退货明细"/);
+    assert.match(block, /<DocumentGrid :fields="returnDocumentHeaderFields"/);
+    assert.match(block, /<DocumentLineTable title="退货明细"/);
+    assert.match(block, /<DocumentActionBar>/);
+    assert.doesNotMatch(block, /<form class="stack-form"/);
+    assert.doesNotMatch(block, /order-item-card/);
+  });
+
+  it("renders return disposition as a formal paper document instead of a stack form", () => {
+    const block = drawerBlock("dispositionDrawerOpen", ':open="dispositionRecordsDrawerOpen"');
+
+    assert.match(block, /<DocumentFormShell[\s\S]*title="退货处置单"/);
+    assert.match(block, /<DocumentSection index="01" title="处置信息"/);
+    assert.match(block, /<DocumentSection index="02" title="处置对象预览"/);
+    assert.match(block, /<DocumentGrid :fields="dispositionDocumentHeaderFields"/);
+    assert.match(block, /<DocumentLineTable title="退货行明细"/);
+    assert.match(block, /<DocumentActionBar>/);
+    assert.doesNotMatch(block, /<form class="stack-form"/);
+  });
+
+  it("keeps the formal document field definitions explicit", () => {
+    assert.match(source, /const returnDocumentHeaderFields = computed/);
+    assert.match(source, /const returnDocumentLineColumns = \[/);
+    assert.match(source, /const dispositionDocumentHeaderFields = computed/);
+    assert.match(source, /const dispositionDocumentLineColumns = \[/);
+  });
+});
diff --git a/frontend/src/views/ReturnManagementView.vue b/frontend/src/views/ReturnManagementView.vue
index fc22fd2..7cb05a0 100644
--- a/frontend/src/views/ReturnManagementView.vue
+++ b/frontend/src/views/ReturnManagementView.vue
@@ -73,120 +73,116 @@
       wide
       @close="returnDrawerOpen = false"
     >
-      <form class="stack-form" @submit.prevent="submitReturnOrder">
-        <div class="double-field">
-          <label class="form-field">
-            <span>客户</span>
-            <select v-model.number="orderForm.customer_id" required>
-              <option disabled value="">请选择客户</option>
-              <option v-for="customer in customers" :key="customer.id" :value="customer.id">
-                {{ customer.customer_name }}
-              </option>
-            </select>
-          </label>
-          <label class="form-field">
-            <span>订单</span>
-            <select v-model.number="orderForm.sales_order_id">
-              <option value="">不关联</option>
-              <option v-for="order in orders" :key="order.order_id" :value="order.order_id">
-                {{ order.order_no }}
-              </option>
-            </select>
-          </label>
-        </div>
-
-        <div class="double-field">
-          <label class="form-field">
-            <span>发货单</span>
-            <select v-model.number="orderForm.delivery_id">
-              <option value="">不关联</option>
-              <option v-for="delivery in deliveries" :key="delivery.delivery_id" :value="delivery.delivery_id">
-                {{ delivery.delivery_no }} · {{ delivery.order_no }}
-              </option>
-            </select>
-          </label>
-          <label class="form-field">
-            <span>处理人</span>
-            <select v-model.number="orderForm.handler_employee_id">
-              <option value="">请选择</option>
-              <option v-for="employee in employees" :key="employee.id" :value="employee.id">
-                {{ employeeOptionLabel(employee) }}
-              </option>
-            </select>
-          </label>
-        </div>
-
-        <label class="form-field">
-          <span>退货原因</span>
-          <textarea v-model.trim="orderForm.return_reason" rows="2"></textarea>
-        </label>
-
-        <div class="subsection-head">
-          <strong>退货明细</strong>
-          <button class="ghost-button" type="button" @click="addRow">增加一行</button>
-        </div>
-
-        <div class="order-item-stack">
-          <article v-for="(item, index) in orderForm.items" :key="index" class="order-item-card">
-            <div class="subsection-head">
-              <strong>明细 {{ index + 1 }}</strong>
-              <button v-if="orderForm.items.length > 1" class="ghost-button danger-ghost" type="button" @click="removeRow(index)">
-                删除
-              </button>
-            </div>
-
-            <label class="form-field">
-              <span>订单行</span>
-              <select v-model.number="item.sales_order_item_id" @change="applyOrderItem(index)">
-                <option value="">手工选产品</option>
-                <option v-for="orderItem in orderItems" :key="orderItem.sales_order_item_id" :value="orderItem.sales_order_item_id">
-                  {{ orderItem.order_no }} · {{ orderItem.product_name }}
+      <DocumentFormShell
+        class="return-document-form"
+        title="退货登记单"
+        document-no="提交后自动生成"
+        meta-label="售后联单"
+        :business-date="new Date()"
+        :signature-labels="['售后登记', '仓库接收', '质量复核', '制单人']"
+        tone="green"
+        @submit="submitReturnOrder"
+      >
+        <DocumentSection index="01" title="退货来源信息">
+          <DocumentGrid :fields="returnDocumentHeaderFields" columns="3">
+            <template #customer>
+              <select v-model.number="orderForm.customer_id" required>
+                <option disabled value="">请选择客户</option>
+                <option v-for="customer in customers" :key="customer.id" :value="customer.id">
+                  {{ customer.customer_name }}
                 </option>
               </select>
-            </label>
+            </template>
+            <template #sales_order>
+              <select v-model.number="orderForm.sales_order_id">
+                <option value="">不关联</option>
+                <option v-for="order in orders" :key="order.order_id" :value="order.order_id">
+                  {{ order.order_no }}
+                </option>
+              </select>
+            </template>
+            <template #delivery>
+              <select v-model.number="orderForm.delivery_id">
+                <option value="">不关联</option>
+                <option v-for="delivery in deliveries" :key="delivery.delivery_id" :value="delivery.delivery_id">
+                  {{ delivery.delivery_no }} · {{ delivery.order_no }}
+                </option>
+              </select>
+            </template>
+            <template #handler>
+              <select v-model.number="orderForm.handler_employee_id">
+                <option value="">请选择</option>
+                <option v-for="employee in employees" :key="employee.id" :value="employee.id">
+                  {{ employeeOptionLabel(employee) }}
+                </option>
+              </select>
+            </template>
+            <template #return_reason>
+              <textarea v-model.trim="orderForm.return_reason" rows="2"></textarea>
+            </template>
+          </DocumentGrid>
+        </DocumentSection>
 
-            <div class="double-field">
-              <label class="form-field">
-                <span>产品</span>
+        <DocumentSection index="02" title="退货明细">
+          <DocumentLineTable title="退货明细" :columns="returnDocumentLineColumns">
+            <template #actions>
+              <button class="ghost-button" type="button" @click="addRow">增加一行</button>
+            </template>
+            <tr v-for="(item, index) in orderForm.items" :key="index">
+              <td class="document-line-index">{{ index + 1 }}</td>
+              <td>
+                <select v-model.number="item.sales_order_item_id" @change="applyOrderItem(index)">
+                  <option value="">手工选产品</option>
+                  <option v-for="orderItem in orderItems" :key="orderItem.sales_order_item_id" :value="orderItem.sales_order_item_id">
+                    {{ orderItem.order_no }} · {{ orderItem.product_name }}
+                  </option>
+                </select>
+              </td>
+              <td>
                 <select v-model.number="item.product_item_id" required @change="recalculateReturnWeight(index)">
                   <option disabled value="">请选择产品</option>
                   <option v-for="product in products" :key="product.item_id" :value="product.item_id">
                     {{ product.item_code }} · {{ product.item_name }}
                   </option>
                 </select>
-              </label>
-              <label class="form-field">
-                <span>来源批次</span>
+              </td>
+              <td>
                 <select v-model.number="item.source_lot_id">
                   <option value="">不指定</option>
                   <option v-for="lot in finishedLots" :key="lot.lot_id" :value="lot.lot_id">
                     {{ lot.lot_no }} · {{ lot.item_name }}
                   </option>
                 </select>
-              </label>
-            </div>
-
-            <div class="triple-field">
-              <label class="form-field">
-                <span>退货数量</span>
+              </td>
+              <td>
                 <input v-model.number="item.return_qty" type="number" min="0" step="1" @input="recalculateReturnWeight(index)" />
-              </label>
-              <label class="form-field">
-                <span>退货重量(kg)</span>
+              </td>
+              <td>
                 <input v-model.number="item.return_weight_kg" type="number" min="0" step="0.001" />
-              </label>
-              <label class="form-field">
-                <span>责任归属</span>
+              </td>
+              <td>
                 <input v-model.trim="item.responsibility_type" type="text" placeholder="内部 / 外部 / 客户" />
-              </label>
-            </div>
-          </article>
-        </div>
+              </td>
+              <td>
+                <button
+                  v-if="orderForm.items.length > 1"
+                  class="ghost-button danger-ghost table-action-button"
+                  type="button"
+                  @click="removeRow(index)"
+                >
+                  删除
+                </button>
+              </td>
+            </tr>
+          </DocumentLineTable>
+        </DocumentSection>
 
-        <button class="primary-button" type="submit" :disabled="submittingOrder">
-          {{ submittingOrder ? "提交中..." : "创建退货单" }}
-        </button>
-      </form>
+        <DocumentActionBar>
+          <button class="primary-button" type="submit" :disabled="submittingOrder">
+            {{ submittingOrder ? "提交中..." : "创建退货单" }}
+          </button>
+        </DocumentActionBar>
+      </DocumentFormShell>
     </FormDrawer>
 
     <FormDrawer
@@ -198,50 +194,70 @@
       wide
       @close="dispositionDrawerOpen = false"
     >
-      <form class="stack-form" @submit.prevent="submitDisposition">
-        <label class="form-field">
-          <span>待处置退货行</span>
-          <select v-model.number="dispositionForm.return_item_id" required @change="applyDispositionItem">
-            <option disabled value="">请选择退货行</option>
-            <option v-for="item in currentDispositionItems" :key="item.return_item_id" :value="item.return_item_id">
-              {{ item.return_no }} · {{ item.product_name }} · {{ formatQty(item.return_qty) }}
-            </option>
-          </select>
-        </label>
+      <DocumentFormShell
+        class="return-document-form"
+        title="退货处置单"
+        document-no="保存后自动生成"
+        meta-label="售后处置联单"
+        :business-date="new Date()"
+        :signature-labels="['售后确认', '仓库复核', '生产接收', '制单人']"
+        tone="green"
+        @submit="submitDisposition"
+      >
+        <DocumentSection index="01" title="处置信息">
+          <DocumentGrid :fields="dispositionDocumentHeaderFields" columns="3">
+            <template #return_item>
+              <select v-model.number="dispositionForm.return_item_id" required @change="applyDispositionItem">
+                <option disabled value="">请选择退货行</option>
+                <option v-for="item in currentDispositionItems" :key="item.return_item_id" :value="item.return_item_id">
+                  {{ item.return_no }} · {{ item.product_name }} · {{ formatQty(item.return_qty) }}
+                </option>
+              </select>
+            </template>
+            <template #disposition_type>
+              <select v-model="dispositionForm.disposition_type" @change="applyDispositionType">
+                <option value="REWORK">返工</option>
+                <option value="SCRAP">报废</option>
+              </select>
+            </template>
+            <template #extra_cost_amount>
+              <input v-model.number="dispositionForm.extra_cost_amount" type="number" min="0" step="0.01" />
+            </template>
+            <template #scrap_weight_kg>
+              <input v-model.number="dispositionForm.scrap_weight_kg" type="number" min="0" step="0.001" />
+            </template>
+            <template #scrap_sale_amount>
+              <input v-model.number="dispositionForm.scrap_sale_amount" type="number" min="0" step="0.01" />
+            </template>
+            <template #remark>
+              <textarea v-model.trim="dispositionForm.remark" rows="2"></textarea>
+            </template>
+          </DocumentGrid>
+        </DocumentSection>
 
-        <label class="form-field">
-          <span>处置方式</span>
-          <select v-model="dispositionForm.disposition_type" @change="applyDispositionType">
-            <option value="REWORK">返工</option>
-            <option value="SCRAP">报废</option>
-          </select>
-        </label>
+        <DocumentSection index="02" title="处置对象预览">
+          <DocumentLineTable title="退货行明细" :columns="dispositionDocumentLineColumns">
+            <tr v-if="activeDispositionItem">
+              <td class="document-line-index">1</td>
+              <td>{{ activeDispositionItem.return_no || "-" }}</td>
+              <td>{{ activeDispositionItem.product_name || "-" }}</td>
+              <td>{{ activeDispositionItem.source_lot_no || "-" }}</td>
+              <td>{{ formatQty(activeDispositionItem.return_qty) }}</td>
+              <td>{{ formatWeight(activeDispositionItem.return_weight_kg) }}</td>
+              <td>{{ activeDispositionItem.responsibility_type || "-" }}</td>
+            </tr>
+            <tr v-else>
+              <td colspan="7" class="empty-row">请选择待处置退货行</td>
+            </tr>
+          </DocumentLineTable>
+        </DocumentSection>
 
-        <label v-if="dispositionForm.disposition_type === 'REWORK'" class="form-field">
-          <span>额外人工成本</span>
-          <input v-model.number="dispositionForm.extra_cost_amount" type="number" min="0" step="0.01" />
-        </label>
-
-        <div v-if="dispositionForm.disposition_type === 'SCRAP'" class="double-field">
-          <label class="form-field">
-            <span>报废重量(kg)</span>
-            <input v-model.number="dispositionForm.scrap_weight_kg" type="number" min="0" step="0.001" />
-          </label>
-          <label class="form-field">
-            <span>废料销售金额</span>
-            <input v-model.number="dispositionForm.scrap_sale_amount" type="number" min="0" step="0.01" />
-          </label>
-        </div>
-
-        <label class="form-field">
-          <span>备注</span>
-          <textarea v-model.trim="dispositionForm.remark" rows="2"></textarea>
-        </label>
-
-        <button class="primary-button" type="submit" :disabled="submittingDisposition">
-          {{ submittingDisposition ? "处理中..." : "提交处置" }}
-        </button>
-      </form>
+        <DocumentActionBar>
+          <button class="primary-button" type="submit" :disabled="submittingDisposition">
+            {{ submittingDisposition ? "处理中..." : "提交处置" }}
+          </button>
+        </DocumentActionBar>
+      </DocumentFormShell>
     </FormDrawer>
 
     <FormDrawer
@@ -287,6 +303,11 @@
 import { computed, onMounted, reactive, ref } from "vue";
 
 import DrawerDataTable from "../components/DrawerDataTable.vue";
+import DocumentActionBar from "../components/documentForms/DocumentActionBar.vue";
+import DocumentFormShell from "../components/documentForms/DocumentFormShell.vue";
+import DocumentGrid from "../components/documentForms/DocumentGrid.vue";
+import DocumentLineTable from "../components/documentForms/DocumentLineTable.vue";
+import DocumentSection from "../components/documentForms/DocumentSection.vue";
 import FormDrawer from "../components/FormDrawer.vue";
 import PaginationBar from "../components/PaginationBar.vue";
 import TableControls from "../components/TableControls.vue";
@@ -330,6 +351,7 @@ const currentDispositionItems = computed(() => {
   }
   return pendingItems.value.filter((item) => item.return_order_id === Number(selectedReturnOrderId.value));
 });
+const activeDispositionItem = computed(() => selectedDispositionItem());
 const visibleDispositions = computed(() => {
   const order = activeReturnOrder.value;
   if (!order) {
@@ -385,6 +407,48 @@ const dispositionDrawerColumns = computed(() => [
   { key: "rework_work_order_no", label: "返工工单", detailOnly: true },
   { key: "scrap_sale_amount", label: "废料销售金额", detailOnly: true, format: (value) => `¥${formatAmount(value)}` }
 ]);
+const returnDocumentHeaderFields = computed(() => [
+  { key: "customer", label: "客户" },
+  { key: "sales_order", label: "订单" },
+  { key: "delivery", label: "发货单" },
+  { key: "handler", label: "处理人" },
+  { key: "return_reason", label: "退货原因", class: "document-grid-cell-wide" }
+]);
+const returnDocumentLineColumns = [
+  { key: "index", label: "序号", width: "58px" },
+  { key: "sales_order_item", label: "订单行", width: "22%" },
+  { key: "product", label: "产品", width: "20%" },
+  { key: "source_lot", label: "来源批次", width: "18%" },
+  { key: "return_qty", label: "退货数量", width: "104px" },
+  { key: "return_weight_kg", label: "退货重量(kg)", width: "126px" },
+  { key: "responsibility_type", label: "责任归属", width: "132px" },
+  { key: "actions", label: "操作", width: "92px" }
+];
+const dispositionDocumentHeaderFields = computed(() => {
+  const fields = [
+    { key: "return_item", label: "待处置退货行", class: "document-grid-cell-wide" },
+    { key: "disposition_type", label: "处置方式" }
+  ];
+  if (dispositionForm.disposition_type === "SCRAP") {
+    fields.push(
+      { key: "scrap_weight_kg", label: "报废重量(kg)" },
+      { key: "scrap_sale_amount", label: "废料销售金额" }
+    );
+  } else {
+    fields.push({ key: "extra_cost_amount", label: "额外人工成本" });
+  }
+  fields.push({ key: "remark", label: "备注", class: "document-grid-cell-wide" });
+  return fields;
+});
+const dispositionDocumentLineColumns = [
+  { key: "index", label: "序号", width: "58px" },
+  { key: "return_no", label: "退货单号", width: "18%" },
+  { key: "product", label: "产品", width: "24%" },
+  { key: "source_lot", label: "来源批次", width: "20%" },
+  { key: "return_qty", label: "退货数量", width: "104px" },
+  { key: "return_weight_kg", label: "退货重量", width: "112px" },
+  { key: "responsibility_type", label: "责任归属", width: "120px" }
+];
 const {
   page: returnOrderPage,
   pageSize: returnOrderPageSize,