diff --git a/web-admin/src/utils/pl-delivery-slip-template.ts b/web-admin/src/utils/pl-delivery-slip-template.ts
index 17b1c07f1..67156441a 100644
--- a/web-admin/src/utils/pl-delivery-slip-template.ts
+++ b/web-admin/src/utils/pl-delivery-slip-template.ts
@@ -168,11 +168,31 @@ function formatDeliverySlipProductGridCellContent(content: string): string {
   return plain || ' '
 }
 
+/** 空白单据物料空行数（与分装单最小行数对齐） */
+export const BLANK_SLIP_PRODUCT_MIN_ROWS = 5
+
+function buildBlankDeliveryProductRow(): string {
+  const cells = Array.from({ length: 8 })
+    .map(
+      () =>
+        `<td class="delivery-slip-product-cell delivery-slip-product-grid-cell" style="${PRODUCT_GRID_CELL}">&nbsp;</td>`
+    )
+    .join('\n        ')
+  return `<tr>\n        ${cells}\n      </tr>`
+}
+
 function buildProductRows(
   products: PlanProduct[] = [],
   planNo = '',
-  ctx?: DeliverySlipRenderContext
+  ctx?: DeliverySlipRenderContext,
+  options?: { blank?: boolean }
 ): string {
+  if (options?.blank) {
+    return Array.from({ length: BLANK_SLIP_PRODUCT_MIN_ROWS })
+      .map(() => buildBlankDeliveryProductRow())
+      .join('')
+  }
+
   if (!products.length) {
     return `<tr><td class="delivery-slip-product-cell" colspan="8" style="${PRODUCT_CELL}">暂无产品信息</td></tr>`
   }
@@ -449,7 +469,7 @@ export const DELIVERY_SLIP_PRINT_CSS = `
   min-height: 0 !important;
   height: auto !important;
 }
-.delivery-slip-doc .delivery-slip-seal-block img[alt="印章"] {
+.delivery-slip-doc .delivery-slip-seal-block .delivery-slip-seal-img {
   position: absolute !important;
   right: 4px !important;
   top: ${DELIVERY_SLIP_SEAL_TOP}px !important;
@@ -571,7 +591,7 @@ export const DELIVERY_SLIP_STYLE_BLOCK = `<style type="text/css">${DELIVERY_SLIP
 
 /** 生成公司印章 HTML（地址/电话单元格右上角） */
 export function buildDeliverySlipCompanySealHtml(): string {
-  return `<img src="${DELIVERY_SLIP_SEAL_IMAGE_SRC}" alt="印章" style="${DELIVERY_SLIP_SEAL_IMAGE_STYLE}" />`
+  return `<img class="delivery-slip-seal-img" src="${DELIVERY_SLIP_SEAL_IMAGE_SRC}" alt="印章" style="${DELIVERY_SLIP_SEAL_IMAGE_STYLE}" />`
 }
 
 const SEAL_BLOCK = `<div class="delivery-slip-seal-block" style="position:relative;padding:0;${FONT_BODY}${SEAL_BLOCK_LINE_STYLE}">
@@ -1790,23 +1810,26 @@ function normalizeDeliverySlipSideLabelsPlaceholder(html: string): string {
 export function replaceDeliverySlipPlaceholders(
   htmlContent: string,
   plan: Plan,
-  ctx?: DeliverySlipRenderContext
+  ctx?: DeliverySlipRenderContext,
+  options?: { blank?: boolean }
 ): string {
   if (!htmlContent || !plan) return htmlContent
 
+  const isBlank = options?.blank === true
+
   const replacements: Record<string, string> = {
     '{{companyName}}': DELIVERY_SLIP_DEFAULTS.companyName,
-    '{{receivingUnit}}': buildReceivingUnit(plan),
-    '{{planNo}}': plan.planNo || '',
+    '{{receivingUnit}}': isBlank ? '' : buildReceivingUnit(plan),
+    '{{planNo}}': isBlank ? '' : plan.planNo || '',
     '{{receiveContact}}': '',
     '{{driverInfo}}': '',
-    '{{planDateChinese}}': formatPlanDateChinese(plan.planDate),
-    '{{productTable}}': buildProductRows(plan.products, plan.planNo || '', ctx),
-    '{{remark}}': formatRemarkForSlipHtml(plan.remark),
+    '{{planDateChinese}}': isBlank ? '' : formatPlanDateChinese(plan.planDate),
+    '{{productTable}}': buildProductRows(plan.products, plan.planNo || '', ctx, options),
+    '{{remark}}': isBlank ? '' : formatRemarkForSlipHtml(plan.remark),
     '{{companyAddress}}': DELIVERY_SLIP_DEFAULTS.companyAddress,
     '{{companyPhone}}': DELIVERY_SLIP_DEFAULTS.companyPhone,
     '{{contactPhone}}': DELIVERY_SLIP_DEFAULTS.contactPhone,
-    '{{companySeal}}': buildDeliverySlipCompanySealHtml(),
+    '{{companySeal}}': isBlank ? '' : buildDeliverySlipCompanySealHtml(),
     '{{sideLabels}}': buildDeliverySlipSideLabelsHtml()
   }
 
@@ -1841,6 +1864,18 @@ export function replaceDeliverySlipPlaceholders(
   return result
 }
 
+export function renderBlankDeliverySlipHtml(): string {
+  const blankPlan = {
+    id: '',
+    planNo: '',
+    products: [],
+    customerName: '',
+    remark: ''
+  } as Plan
+  const html = generateDeliverySlipTemplate(blankPlan)
+  return replaceDeliverySlipPlaceholders(html, blankPlan, undefined, { blank: true })
+}
+
 /** 保存模板前：将动态字段还原为占位符 */
 export function restoreDeliverySlipPlaceholders(template: string, plan: Plan): string {
   let result = template
diff --git a/web-admin/src/utils/pl-inbound-slip-template.ts b/web-admin/src/utils/pl-inbound-slip-template.ts
index 865986e7e..86c15ee88 100644
--- a/web-admin/src/utils/pl-inbound-slip-template.ts
+++ b/web-admin/src/utils/pl-inbound-slip-template.ts
@@ -166,11 +166,31 @@ function formatInboundSlipProductGridCellContent(content: string): string {
   return plain || '&nbsp;'
 }
 
+/** 空白单据物料空行数（与分装单最小行数对齐） */
+export const BLANK_SLIP_PRODUCT_MIN_ROWS = 5
+
+function buildBlankInboundProductRow(): string {
+  const cells = Array.from({ length: 8 })
+    .map(
+      () =>
+        `<td class="inbound-slip-product-cell inbound-slip-product-grid-cell" style="${PRODUCT_GRID_CELL}">&nbsp;</td>`
+    )
+    .join('\n        ')
+  return `<tr>\n        ${cells}\n      </tr>`
+}
+
 function buildProductRows(
   products: PlanProduct[] = [],
   planNo = '',
-  ctx?: InboundSlipRenderContext
+  ctx?: InboundSlipRenderContext,
+  options?: { blank?: boolean }
 ): string {
+  if (options?.blank) {
+    return Array.from({ length: BLANK_SLIP_PRODUCT_MIN_ROWS })
+      .map(() => buildBlankInboundProductRow())
+      .join('')
+  }
+
   if (!products.length) {
     return `<tr><td class="inbound-slip-product-cell" colspan="8" style="${PRODUCT_CELL}">暂无产品信息</td></tr>`
   }
@@ -1354,19 +1374,22 @@ function normalizeInboundSlipSideLabelsPlaceholder(html: string): string {
 export function replaceInboundSlipPlaceholders(
   htmlContent: string,
   plan: Plan,
-  ctx?: InboundSlipRenderContext
+  ctx?: InboundSlipRenderContext,
+  options?: { blank?: boolean }
 ): string {
   if (!htmlContent || !plan) return htmlContent
 
+  const isBlank = options?.blank === true
+
   const replacements: Record<string, string> = {
     '{{companyName}}': INBOUND_SLIP_DEFAULTS.companyName,
-    '{{receivingUnit}}': buildDeliveryUnit(plan),
-    '{{planNo}}': plan.planNo || '',
+    '{{receivingUnit}}': isBlank ? '' : buildDeliveryUnit(plan),
+    '{{planNo}}': isBlank ? '' : plan.planNo || '',
     '{{receiveContact}}': '',
     '{{driverInfo}}': '',
-    '{{planDateChinese}}': formatPlanDateChinese(plan.planDate),
-    '{{productTable}}': buildProductRows(plan.products, plan.planNo || '', ctx),
-    '{{remark}}': formatRemarkForSlipHtml(plan.remark),
+    '{{planDateChinese}}': isBlank ? '' : formatPlanDateChinese(plan.planDate),
+    '{{productTable}}': buildProductRows(plan.products, plan.planNo || '', ctx, options),
+    '{{remark}}': isBlank ? '' : formatRemarkForSlipHtml(plan.remark),
     '{{companyAddress}}': INBOUND_SLIP_DEFAULTS.companyAddress,
     '{{companyPhone}}': INBOUND_SLIP_DEFAULTS.companyPhone,
     '{{contactPhone}}': INBOUND_SLIP_DEFAULTS.contactPhone,
@@ -1405,6 +1428,18 @@ export function replaceInboundSlipPlaceholders(
   return result
 }
 
+export function renderBlankInboundSlipHtml(): string {
+  const blankPlan = {
+    id: '',
+    planNo: '',
+    products: [],
+    customerName: '',
+    remark: ''
+  } as Plan
+  const html = generateInboundSlipTemplate(blankPlan)
+  return replaceInboundSlipPlaceholders(html, blankPlan, undefined, { blank: true })
+}
+
 /** 保存模板前：将动态字段还原为占位符 */
 export function restoreInboundSlipPlaceholders(template: string, plan: Plan): string {
   let result = template