diff --git a/src/api/fileStorage.ts b/src/api/fileStorage.ts
index 3675181..f9a6539 100644
--- a/src/api/fileStorage.ts
+++ b/src/api/fileStorage.ts
@@ -97,6 +97,17 @@ export async function getFileAccessUrl(key: string): Promise<AccessUrlResult> {
   return { key: storageKey, url }
 }
 
+/** GET /file-storage/stream?key= — 鉴权流式读取（面单预览等） */
+export async function streamFileBlob(keyOrUrl: string): Promise<Blob> {
+  const res = await axiosInstance.get(omsUrl('/file-storage/stream'), {
+    params: { key: keyOrUrl },
+    responseType: 'blob',
+    timeout: 120000,
+  })
+  if (res.data instanceof Blob) return res.data
+  return new Blob([res.data])
+}
+
 /** POST /file-storage/normalize-key */
 export async function normalizeFileStorageKey(pathOrUrl: string): Promise<string | null> {
   const res = await axiosInstance.post(omsUrl('/file-storage/normalize-key'), {
diff --git a/src/components/InterfaceDetail/index.vue b/src/components/InterfaceDetail/index.vue
index be1ca93..5eaf70e 100644
--- a/src/components/InterfaceDetail/index.vue
+++ b/src/components/InterfaceDetail/index.vue
@@ -45,8 +45,10 @@
     defaultResolveParameterType,
     extractCommentsFromJson,
     flatParameterListToTableRows,
+    hoistRedundantSyntheticArrayWrapper,
     parseJsonTextToParameterFlatList,
     pickBestJsonBodyText,
+    restoreSyntheticArrayWrapper,
     sortFlatParameterListParentFirst,
   } from '@/utils/jsonParameterTree';
 
@@ -603,19 +605,50 @@
       pid === BODY_ROOT_VIRTUAL_ID
     );
   }
+  /** 展示时提升掉的合成 array 包装，导出时还原 */
+  const hoistedBodyArrayWrapper = ref<any | null>(null);
   function stripBodyRootFromFlat(rows: any[]): any[] {
     const flat = flattenTreeTableRows(Array.isArray(rows) ? rows : []);
     return flat
       .filter((r) => !isBodyRootRow(r))
       .map((r) => (r.pId === BODY_ROOT_VIRTUAL_ID ? { ...r, pId: 0 } : { ...r }));
   }
-  function ensureBodyRootInRows(rows: any[]): any[] {
+  function exportRequestBodyFlatParams(rows: any[]): any[] {
+    const stripped = stripBodyRootFromFlat(rows);
+    if (Number(props.basicFormData?.mappedParamType) !== ParameterType.Array) {
+      return stripped;
+    }
+    return restoreSyntheticArrayWrapper(
+      stripped,
+      hoistedBodyArrayWrapper.value,
+      isTopLevelBodyPid,
+    );
+  }
+  function remapHoistedArrayActionRow(row: any) {
+    if (!row || isBodyRootRow(row) || row.pId !== BODY_ROOT_VIRTUAL_ID) return row;
+    const wrapper = hoistedBodyArrayWrapper.value;
+    if (wrapper && Number(props.basicFormData?.mappedParamType) === ParameterType.Array) {
+      return { ...row, pId: wrapper.id };
+    }
+    return { ...row, pId: 0 };
+  }
+  function ensureBodyRootInRows(rows: any[], options?: { hoistSyntheticArray?: boolean }): any[] {
     const cleaned = stripBodyRootFromFlat(rows);
-    if (!showRootMappedParamType.value) return cleaned;
+    if (!showRootMappedParamType.value) {
+      hoistedBodyArrayWrapper.value = null;
+      return cleaned;
+    }
     const rootType =
       props.basicFormData?.mappedParamType != null && props.basicFormData?.mappedParamType !== ''
         ? props.basicFormData.mappedParamType
         : ParameterType.Object;
+    const hoisted = hoistRedundantSyntheticArrayWrapper(cleaned, {
+      enabled:
+        Number(rootType) === ParameterType.Array && options?.hoistSyntheticArray !== false,
+      arrayType: ParameterType.Array,
+      isTopLevelPid: isTopLevelBodyPid,
+    });
+    hoistedBodyArrayWrapper.value = hoisted.hoistedWrapper;
     const root = {
       id: BODY_ROOT_VIRTUAL_ID,
       pId: null,
@@ -627,7 +660,7 @@
     };
     return [
       root,
-      ...cleaned.map((r) =>
+      ...hoisted.rows.map((r) =>
         isTopLevelBodyPid(r.pId) ? { ...r, pId: BODY_ROOT_VIRTUAL_ID } : { ...r },
       ),
     ];
@@ -647,10 +680,11 @@
     const fromGrid =
       requestTableRef.value?.getTableData?.()?.fullData ||
       requestTableRef.value?.xGrid?.getTableData()?.fullData;
-    return stripBodyRootFromFlat(getTreeTableFlatRows(fromGrid, requestTableProps.data));
+    return exportRequestBodyFlatParams(getTreeTableFlatRows(fromGrid, requestTableProps.data));
   }
   function stripBodyRootFromActionRows(actions: any) {
-    const filterRows = (arr: any[]) => (Array.isArray(arr) ? arr.filter((r) => !isBodyRootRow(r)) : []);
+    const filterRows = (arr: any[]) =>
+      (Array.isArray(arr) ? arr.filter((r) => !isBodyRootRow(r)).map(remapHoistedArrayActionRow) : []);
     return {
       insertRecords: filterRows(actions?.insertRecords),
       removeRecords: filterRows(actions?.removeRecords),
@@ -1239,6 +1273,35 @@
     { key: 'Xml', label: 'XML' },
   ];
 
+  const currentRequestTabClearLabel = computed(() => {
+    if (requestTab.value === 'query') return 'Query 参数';
+    if (requestTab.value === 'header') return 'Header 参数';
+    if (requestTab.value === 'fixed') return '固定配置';
+    if (requestTab.value === 'body') return 'Body 参数';
+    if (requestTab.value === 'mappingBody') return 'Mapping Body 参数';
+    if (requestTab.value === 'demo') return 'cURL 内容';
+    return '当前 Tab';
+  });
+
+  const showRequestTabClearAction = computed(() => {
+    if (requestTab.value === 'body' && isNoneBodyContentType.value) return false;
+    return ['query', 'header', 'fixed', 'body', 'mappingBody', 'demo'].includes(requestTab.value);
+  });
+
+  const canClearCurrentRequestTab = computed(() => {
+    if (!showRequestTabClearAction.value) return false;
+    if (requestTab.value === 'query') return queryTabCount.value > 0;
+    if (requestTab.value === 'header') return headerTabCount.value > 0;
+    if (requestTab.value === 'fixed') return fixedConfigTabCount.value > 0;
+    if (requestTab.value === 'body') {
+      if (isBodyKvMode.value) return !isBodyKvEmpty.value;
+      return !isBodyTreeEmpty.value;
+    }
+    if (requestTab.value === 'mappingBody') return !isMappingBodyEmpty.value;
+    if (requestTab.value === 'demo') return !!(requestExample.value || '').trim();
+    return false;
+  });
+
   /** 当前 Request Tab 空态提示（展示在顶部 Tab 行正中） */
   const requestHeaderEmptyTip = computed(() => {
     if (requestTab.value === 'query' && queryTabCount.value === 0) {
@@ -1356,7 +1419,7 @@
       if (!isDownstreamMode.value) return;
       const toMapping = isMappingBodyContentType(ct) && !isMappingBodyContentType(prev);
       if (!toMapping) return;
-      const requestFlat = stripBodyRootFromFlat(requestTableProps.data || []);
+      const requestFlat = getRequestBodyFlatParams();
       const mappingFlat = flattenTreeTableRows(mappingBodyTableProps.data || []);
       if (requestFlat.length > 0 && mappingFlat.length < requestFlat.length) {
         await loadFlatListIntoTreeTable(requestFlat, mappingBodyTableProps, mappingBodyTableRef);
@@ -1439,9 +1502,9 @@
     { immediate: true },
   );
 
-  // Json/Xml 切换 / 首次进入：挂上或拆掉虚拟根节点
+  // Json/Xml 切换 / 根类型变更：挂上、拆掉或提升虚拟根下的合成 array
   watch(
-    showRootMappedParamType,
+    [showRootMappedParamType, () => props.basicFormData?.mappedParamType],
     () => {
       applyRequestBodyTableData(getRequestBodyFlatParams());
     },
@@ -1754,6 +1817,100 @@
     return isTableRowEditing(row, bodyFormTableRef);
   }
 
+  async function removeTableRows(tableRef: { value?: { removeRow?: (row: any) => any; xGrid?: any } }, rows: any[]) {
+    if (!rows.length) return;
+    const grid = tableRef.value?.xGrid;
+    if (grid?.remove) {
+      await grid.remove(rows);
+      return;
+    }
+    for (const row of rows) {
+      await tableRef.value?.removeRow?.(row);
+    }
+  }
+
+  function collectRemovableTableRows(
+    tableRef: any,
+    keepRow?: (row: any) => boolean,
+  ) {
+    const roots = [...(getTableFullData(tableRef) || [])];
+    if (!keepRow) return roots;
+    const toRemove: any[] = [];
+    roots.forEach((row) => {
+      if (keepRow(row)) {
+        if (Array.isArray(row?.children) && row.children.length) {
+          toRemove.push(...row.children);
+        }
+        return;
+      }
+      toRemove.push(row);
+    });
+    return toRemove;
+  }
+
+  async function clearCurrentRequestTab() {
+    const tab = requestTab.value;
+    if (tab === 'query') {
+      await removeTableRows(queryTableRef, collectRemovableTableRows(queryTableRef));
+      queryTableProps.data = [];
+    } else if (tab === 'header') {
+      await removeTableRows(headerTableRef, collectRemovableTableRows(headerTableRef));
+      headerTableProps.data = [];
+    } else if (tab === 'fixed') {
+      await removeTableRows(queryFixedTableRef, collectRemovableTableRows(queryFixedTableRef));
+      fixedParams.value = [];
+      fixedParamsHasChanges.value = true;
+    } else if (tab === 'body' && isBodyKvMode.value) {
+      await removeTableRows(bodyFormTableRef, collectRemovableTableRows(bodyFormTableRef));
+      bodyFormTableProps.data = [];
+    } else if (tab === 'body' && !isNoneBodyContentType.value) {
+      if (hoistedBodyArrayWrapper.value) {
+        const persisted = getRequestBodyFlatParams();
+        hoistedBodyArrayWrapper.value = null;
+        const rows = ensureBodyRootInRows(persisted, { hoistSyntheticArray: false });
+        requestTableProps.data = rows;
+        await nextTick();
+        await requestTableRef.value?.reloadData?.(rows);
+        await nextTick();
+      }
+      await removeTableRows(
+        requestTableRef,
+        collectRemovableTableRows(requestTableRef, isBodyRootRow),
+      );
+      hoistedBodyArrayWrapper.value = null;
+      const remaining = getTableFullData(requestTableRef, []);
+      requestTableProps.data = remaining.length ? remaining : ensureBodyRootInRows([]);
+    } else if (tab === 'mappingBody') {
+      await removeTableRows(mappingBodyTableRef, collectRemovableTableRows(mappingBodyTableRef));
+      mappingBodyTableProps.data = [];
+    } else if (tab === 'demo') {
+      requestExample.value = '';
+    }
+    markDirty();
+    refreshTabCounts();
+  }
+
+  function confirmClearCurrentRequestTab() {
+    if (!canClearCurrentRequestTab.value) {
+      $baseMessage('当前 Tab 没有可清空的内容', 'warning');
+      return;
+    }
+    const label = currentRequestTabClearLabel.value;
+    const content =
+      requestTab.value === 'fixed'
+        ? `确定清空当前「${label}」？清空后需点击「保存固定配置」才会同步到服务端。`
+        : requestTab.value === 'demo'
+          ? '确定清空当前 cURL 内容？'
+          : `确定清空当前「${label}」？此操作仅影响编辑区，保存接口后才会同步到服务端。`;
+    $baseConfirm({
+      title: '清空确认',
+      content,
+      okText: '清空',
+      cancelText: '取消',
+      onOk: () => clearCurrentRequestTab(),
+    });
+  }
+
   // 新增 Query 参数
   async function addNewQueryParam() {
     markDirty();
@@ -3175,6 +3332,15 @@
           />
           <div class="section-header-right">
             <div class="section-actions">
+              <a-button
+                v-if="showRequestTabClearAction"
+                size="small"
+                :disabled="!canClearCurrentRequestTab"
+                title="清空当前 Tab 内容"
+                @click="confirmClearCurrentRequestTab"
+              >
+                清空
+              </a-button>
               <template v-if="requestTab === 'query'">
                 <a-button size="small" @click="addNewQueryParam">新增</a-button>
               </template>
diff --git a/src/components/PrintTemplate/OrderPrintModal.vue b/src/components/PrintTemplate/OrderPrintModal.vue
index 39e4ee4..2a6da5d 100644
--- a/src/components/PrintTemplate/OrderPrintModal.vue
+++ b/src/components/PrintTemplate/OrderPrintModal.vue
@@ -72,7 +72,13 @@
             </div>
           </div>
           <div class="batch-preview">
-            <iframe v-if="activeItem?.url" ref="previewFrameRef" class="print-preview-frame" :src="activeItem.url" />
+            <div v-if="previewLoading" class="print-preview-loading">面单加载中…</div>
+            <iframe
+              v-else-if="previewSrc"
+              ref="previewFrameRef"
+              class="print-preview-frame"
+              :src="previewSrc"
+            />
             <a-empty v-else description="暂无可预览打印内容" />
           </div>
         </div>
@@ -85,7 +91,13 @@
           <span class="print-preview-title">PDF/HTML 预览</span>
           <a-button size="small" @click="openActiveInNewTab">新标签打开</a-button>
         </div>
-        <iframe v-if="activeItem?.url" ref="previewFrameRef" class="print-preview-frame" :src="activeItem.url" />
+        <div v-if="previewLoading" class="print-preview-loading">面单加载中…</div>
+        <iframe
+          v-else-if="previewSrc"
+          ref="previewFrameRef"
+          class="print-preview-frame"
+          :src="previewSrc"
+        />
         <a-empty v-else description="暂无可预览打印内容" />
       </section>
       <aside class="single-side-panel">
@@ -125,7 +137,7 @@
 </template>
 
 <script setup lang="ts">
-import { computed, ref, watch } from 'vue';
+import { computed, onBeforeUnmount, ref, watch } from 'vue';
 import { Message } from '@arco-design/web-vue';
 import {
   fetchHtmlTextForHiprint,
@@ -135,6 +147,7 @@ import {
 } from '@/utils/hiprint/hiprintElectronSocket';
 import { useHiprintClientState } from '@/utils/hiprint/hiprintClientState';
 import { resolveOmsAssetUrl } from '@/api/oms/common';
+import { fetchPrintAssetBytes, resolvePrintPreviewSrc } from '@/utils/printPreview';
 import {
   buildHiprintBlobPrintExtras,
   HIPRINT_PAPER_PRESET_OPTIONS,
@@ -169,34 +182,94 @@ const hiprintClientState = useHiprintClientState();
 const previewFrameRef = ref<HTMLIFrameElement>();
 const activeId = ref<number | string | null>(null);
 const hiprintForm = ref(readHiprintPrintFormFromStorage());
+const previewSrc = ref('');
+const previewLoading = ref(false);
+let previewBlobUrl: string | null = null;
+let previewLoadToken = 0;
 
-const printableItems = computed(() => (props.items || []).filter((x) => !!x.url));
+const printableItems = computed(() => (props.items || []).filter((x) => !!String(x?.url || '').trim()));
 const activeItem = computed(() => {
   if (!printableItems.value.length) return null;
   if (activeId.value == null) return printableItems.value[0];
   return printableItems.value.find((x) => x.id === activeId.value) || printableItems.value[0];
 });
 
+function revokePreviewBlob() {
+  if (!previewBlobUrl) return;
+  URL.revokeObjectURL(previewBlobUrl);
+  previewBlobUrl = null;
+}
+
+async function loadPreviewForActive() {
+  const token = ++previewLoadToken;
+  revokePreviewBlob();
+  previewSrc.value = '';
+  if (!props.visible || !activeItem.value?.url) {
+    previewLoading.value = false;
+    return;
+  }
+  previewLoading.value = true;
+  try {
+    const src = await resolvePrintPreviewSrc(activeItem.value.url);
+    if (token !== previewLoadToken) {
+      if (src.startsWith('blob:')) URL.revokeObjectURL(src);
+      return;
+    }
+    if (src.startsWith('blob:')) {
+      previewBlobUrl = src;
+    }
+    previewSrc.value = src;
+  } catch {
+    if (token !== previewLoadToken) return;
+    previewSrc.value = toAbsoluteUrl(activeItem.value.url);
+  } finally {
+    if (token === previewLoadToken) previewLoading.value = false;
+  }
+}
+
 watch(
   () => props.visible,
   (visible) => {
-    if (!visible) return;
+    if (!visible) {
+      revokePreviewBlob();
+      previewSrc.value = '';
+      previewLoading.value = false;
+      return;
+    }
     activeId.value = printableItems.value[0]?.id ?? null;
   }
 );
 
+watch(
+  [
+    () => props.visible,
+    () => props.items,
+    () => activeItem.value?.id,
+    () => activeItem.value?.url,
+  ],
+  () => {
+    void loadPreviewForActive();
+  },
+  { deep: true },
+);
+
 watch(
   () => hiprintForm.value,
   (val) => writeHiprintPrintFormToStorage(val),
   { deep: true }
 );
 
+onBeforeUnmount(() => {
+  previewLoadToken += 1;
+  revokePreviewBlob();
+});
+
 function openActiveInNewTab() {
   if (!activeItem.value?.url) {
     Message.warning('当前无可打开的打印链接');
     return;
   }
-  window.open(activeItem.value.url, '_blank', 'noopener,noreferrer');
+  window.open(toAbsoluteUrl(activeItem.value.url) || activeItem.value.url, '_blank', 'noopener,noreferrer');
 }
 
 function toAbsoluteUrl(url: string) {
@@ -211,7 +284,20 @@ function toAbsoluteUrl(url: string) {
 
 async function silentPrintByUrl(url: string) {
   const extras = buildHiprintBlobPrintExtras(hiprintForm.value);
-  if (/\.pdf(\?|#|$)/i.test(url)) {
+  const isPdf = /\.pdf(\?|#|$)/i.test(url);
+  try {
+    const bytes = await fetchPrintAssetBytes(url);
+    if (isPdf) {
+      await hiprintSendBlobPdf({ pdf_blob: bytes, printExtras: extras });
+      return;
+    }
+    const html = new TextDecoder('utf-8').decode(bytes);
+    await hiprintSendHtmlPrint({ html, printExtras: extras });
+    return;
+  } catch {
+    // 回退旧逻辑
+  }
+  if (isPdf) {
     const pdf_blob = await fetchPdfBytesForHiprint(toAbsoluteUrl(url));
     await hiprintSendBlobPdf({ pdf_blob, printExtras: extras });
     return;
@@ -245,7 +331,7 @@ async function printActive() {
   } catch {
     // ignore
   }
-  window.open(activeItem.value.url, '_blank', 'noopener,noreferrer');
+  window.open(toAbsoluteUrl(activeItem.value.url) || activeItem.value.url, '_blank', 'noopener,noreferrer');
 }
 
 async function printAll() {
@@ -259,7 +345,7 @@ async function printAll() {
   }
   const tasks = printableItems.value.map((item) =>
     silentPrintByUrl(item.url).catch(() => {
-      window.open(item.url, '_blank', 'noopener,noreferrer');
+      window.open(toAbsoluteUrl(item.url) || item.url, '_blank', 'noopener,noreferrer');
     })
   );
   const results = await Promise.allSettled(tasks);
@@ -323,4 +409,14 @@ async function printAll() {
 .print-preview-title { font-size: 12px; font-weight: 600; color: var(--color-text-2); }
 .single-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: auto; }
 .print-preview-frame { width: 100%; height: 100%; min-height: 640px; border: none; }
+.print-preview-loading {
+  flex: 1;
+  min-height: 640px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  color: var(--color-text-3);
+  font-size: 13px;
+  background: var(--color-fill-1);
+}
 </style>
diff --git a/src/utils/jsonParameterTree.ts b/src/utils/jsonParameterTree.ts
index 4c895bd..d140878 100644
--- a/src/utils/jsonParameterTree.ts
+++ b/src/utils/jsonParameterTree.ts
@@ -43,6 +43,83 @@ function defaultIdFactory(): number {
 /** 解析树中的占位节点名，不参与 // 注释路径拼接 */
 export const SYNTHETIC_PARAM_NAMES = new Set(['obj', 'val', 'array']);
 
+function pickArrayWrapperPersistFields(row: any) {
+  return {
+    id: row.id,
+    pId: 0,
+    name: row.name,
+    type: row.type,
+    description: row.description ?? '',
+    isRequired: !!row.isRequired,
+    alias: row.alias || row.name,
+    cnName: row.cnName ?? '',
+    optionType: row.optionType ?? 1,
+  };
+}
+
+/** JSON 数组根解析出的合成 array 节点（与虚拟根 Array 类型重复） */
+export function isSyntheticArrayWrapper(row: any, arrayType: number = ParameterType.Array): boolean {
+  if (!row) return false;
+  const name = String(row.name ?? row.Name ?? '').trim().toLowerCase();
+  return name === 'array' && Number(row.type ?? row.Type) === Number(arrayType);
+}
+
+/**
+ * 虚拟根已是 Array 时，去掉顶层合成 array 包装，把其子节点提到根下。
+ * 避免类型列连续出现 Array / Array。导出时按 childIds 还原，其它顶层兄弟不动。
+ */
+export function hoistRedundantSyntheticArrayWrapper(
+  rows: any[],
+  options: {
+    enabled: boolean;
+    arrayType?: number;
+    isTopLevelPid: (pId: any) => boolean;
+  },
+): { rows: any[]; hoistedWrapper: any | null } {
+  const list = Array.isArray(rows) ? rows : [];
+  if (!options.enabled) return { rows: list, hoistedWrapper: null };
+
+  const arrayType = options.arrayType ?? ParameterType.Array;
+  const topLevel = list.filter((r) => r && options.isTopLevelPid(r.pId ?? r.PId));
+  const wrappers = topLevel.filter((r) => isSyntheticArrayWrapper(r, arrayType));
+  if (!wrappers.length) return { rows: list, hoistedWrapper: null };
+
+  const wrapper =
+    wrappers.find((w) => list.some((r) => r && (r.pId ?? r.PId) === (w.id ?? w.Id))) || wrappers[0];
+  const wrapperId = wrapper.id ?? wrapper.Id;
+  const childIds = list
+    .filter((r) => r && (r.pId ?? r.PId) === wrapperId)
+    .map((r) => r.id ?? r.Id)
+    .filter((id) => id != null);
+  if (!childIds.length) return { rows: list, hoistedWrapper: null };
+
+  return {
+    rows: list
+      .filter((r) => r && (r.id ?? r.Id) !== wrapperId)
+      .map((r) => ((r.pId ?? r.PId) === wrapperId ? { ...r, pId: 0 } : r)),
+    hoistedWrapper: { ...pickArrayWrapperPersistFields(wrapper), childIds },
+  };
+}
+
+/** 把展示时提升掉的合成 array 包装还原回扁平列表（保存 / 校验） */
+export function restoreSyntheticArrayWrapper(
+  rows: any[],
+  wrapper: any | null,
+  _isTopLevelPid: (pId: any) => boolean,
+): any[] {
+  const list = Array.isArray(rows) ? rows : [];
+  if (!wrapper) return list;
+  const wrapperId = wrapper.id ?? wrapper.Id;
+  if (wrapperId == null || list.some((r) => (r?.id ?? r?.Id) === wrapperId)) return list;
+  const { childIds, ...wrapperRow } = wrapper;
+  const childIdSet = new Set((childIds || []).map((id: any) => id));
+  if (!childIdSet.size) return list;
+  return [
+    { ...wrapperRow, pId: 0 },
+    ...list.map((r) => (childIdSet.has(r?.id ?? r?.Id) ? { ...r, pId: wrapperId } : r)),
+  ];
+}
+
 type JsonPathFrame = { kind: 'object' | 'array'; key?: string };
 
 /**
diff --git a/src/utils/printPreview.ts b/src/utils/printPreview.ts
new file mode 100644
index 0000000..b69edd6
--- /dev/null
+++ b/src/utils/printPreview.ts
@@ -0,0 +1,130 @@
+import { axiosInstance } from '@/api/rbac'
+import { omsUrl, resolveOmsAssetUrl } from '@/api/oms/common'
+import { normalizeFileStorageKey } from '@/api/fileStorage'
+
+function guessMime(pathOrUrl: string): string {
+  if (/\.pdf(\?|#|$)/i.test(pathOrUrl)) return 'application/pdf'
+  if (/\.html?(\?|#|$)/i.test(pathOrUrl)) return 'text/html; charset=utf-8'
+  return 'application/octet-stream'
+}
+
+/** 开发环境把生产 Admin 绝对地址改写成 Vite 同源代理路径 */
+function rewriteDevAdminAssetPath(url: string): string {
+  if (!import.meta.env.DEV) return url
+  const trimmed = String(url || '').trim()
+  if (!trimmed) return trimmed
+  const proxied = trimmed.replace(/^https?:\/\/api\.(?:ideship|nanafa)\.com\/admin/i, '')
+  return proxied || trimmed
+}
+
+function toSameOriginPath(url: string): string {
+  const resolved = rewriteDevAdminAssetPath(resolveOmsAssetUrl(url) || url)
+  if (!resolved) return ''
+  if (/^https?:\/\//i.test(resolved)) return resolved
+  return resolved.startsWith('/') ? resolved : `/${resolved}`
+}
+
+async function fetchBlobViaStream(keyOrUrl: string): Promise<Blob> {
+  const res = await axiosInstance.get(omsUrl('/file-storage/stream'), {
+    params: { key: keyOrUrl },
+    responseType: 'blob',
+    timeout: 120000,
+  })
+  const type = String(res.headers['content-type'] || guessMime(keyOrUrl))
+  if (res.data instanceof Blob) {
+    return res.data.type ? res.data : new Blob([res.data], { type })
+  }
+  return new Blob([res.data], { type })
+}
+
+async function fetchBlobViaSameOriginPath(path: string): Promise<Blob> {
+  const res = await axiosInstance.get(path, {
+    responseType: 'blob',
+    timeout: 120000,
+  })
+  const type = String(res.headers['content-type'] || guessMime(path))
+  if (res.data instanceof Blob) {
+    return res.data.type ? res.data : new Blob([res.data], { type })
+  }
+  return new Blob([res.data], { type })
+}
+
+/**
+ * 将打印 URL 转为可在 iframe 中预览的 blob: 地址（同源，避免 COS / api 跨域空白）。
+ * 失败时回退为可直链打开的绝对地址。
+ */
+export async function resolvePrintPreviewSrc(rawUrl: string): Promise<string> {
+  const raw = String(rawUrl || '').trim()
+  if (!raw) return ''
+
+  const candidates = new Set<string>()
+  candidates.add(raw)
+  const asset = resolveOmsAssetUrl(raw)
+  if (asset) candidates.add(asset)
+  candidates.add(rewriteDevAdminAssetPath(raw))
+  if (asset) candidates.add(rewriteDevAdminAssetPath(asset))
+
+  try {
+    const key = await normalizeFileStorageKey(raw)
+    if (key) candidates.add(key)
+  } catch {
+    // ignore
+  }
+
+  for (const candidate of candidates) {
+    const value = String(candidate || '').trim()
+    if (!value) continue
+    try {
+      const blob = await fetchBlobViaStream(value)
+      return URL.createObjectURL(blob)
+    } catch {
+      // try next
+    }
+  }
+
+  const sameOriginPath = toSameOriginPath(raw)
+  if (sameOriginPath.startsWith('/')) {
+    try {
+      const blob = await fetchBlobViaSameOriginPath(sameOriginPath)
+      return URL.createObjectURL(blob)
+    } catch {
+      // ignore
+    }
+    return `${window.location.origin}${sameOriginPath}`
+  }
+
+  return sameOriginPath
+}
+
+/** 供 hiprint 静默打印：优先经 /file-storage/stream 拉取字节 */
+export async function fetchPrintAssetBytes(rawUrl: string): Promise<Uint8Array> {
+  const raw = String(rawUrl || '').trim()
+  if (!raw) throw new Error('打印地址为空')
+
+  const candidates = new Set<string>([raw])
+  try {
+    const key = await normalizeFileStorageKey(raw)
+    if (key) candidates.add(key)
+  } catch {
+    // ignore
+  }
+
+  for (const candidate of candidates) {
+    const value = String(candidate || '').trim()
+    if (!value) continue
+    try {
+      const blob = await fetchBlobViaStream(value)
+      return new Uint8Array(await blob.arrayBuffer())
+    } catch {
+      // try next
+    }
+  }
+
+  const path = toSameOriginPath(raw)
+  if (path.startsWith('/')) {
+    const blob = await fetchBlobViaSameOriginPath(path)
+    return new Uint8Array(await blob.arrayBuffer())
+  }
+
+  throw new Error('无法下载面单文件')
+}
diff --git a/src/views/order/myOrders/index.vue b/src/views/order/myOrders/index.vue
index 52244a8..09df57a 100644
--- a/src/views/order/myOrders/index.vue
+++ b/src/views/order/myOrders/index.vue
@@ -1263,10 +1263,6 @@
       Message.warning('请选择要打印的订单');
       return;
     }
-    if (!printConnectionState.enabled || !printConnectionState.connected) {
-      Message.warning('请先在顶部打开并连接打印开关');
-      return;
-    }
     try {
       await withOrderActionLoading('singlePrint', async () => {
         const { printUrl } = await postOrderPrint({ id: getOrderRowId(row)! });
@@ -1277,6 +1273,9 @@
         }
         singlePrintItems.value = [buildPrintItem(row, printUrl)];
         singlePrintVisible.value = true;
+        if (!printConnectionState.enabled || !printConnectionState.connected) {
+          Message.info('已打开面单预览；静默打印需先在顶部连接打印开关');
+        }
       });
     } catch (e: any) {
       if (e?.message !== 'busy') {
@@ -1290,10 +1289,6 @@
     batchPrintItems.value = [];
     const rows = requireSelectedRows();
     if (!rows.length) return;
-    if (!printConnectionState.enabled || !printConnectionState.connected) {
-      Message.warning('请先在顶部打开并连接打印开关');
-      return;
-    }
     try {
       await withOrderActionLoading('batchPrint', async () => {
         await runSelectedOrderBatch({
@@ -1643,7 +1638,7 @@
     () => activeTab.value === 'pendingPayment' && hasPermission('Order.MyOrders.Pay'),
   );
 
-  const actionRenderer = () => {
+  const actionRenderer = (_rowData: any, rowIndex: number) => {
     const parts = [
       renderWarehouseActionBtn('view', t('common.viewDetail'), 'view'),
       renderWarehouseActionBtn('track', t('order.myOrders.actions.viewTrack'), 'track'),
@@ -1655,7 +1650,7 @@
     if (showRowPayAction.value) {
       parts.push(renderWarehouseActionBtn('pay', t('order.myOrders.actions.pay'), 'pay'));
     }
-    return wrapWarehouseActions(parts);
+    return wrapWarehouseActions(parts, rowIndex);
   };
 
   const customCellRenderer = (row: number, col: number, value: any, rowData: any) => {
diff --git a/src/views/order/waybillManage/index.vue b/src/views/order/waybillManage/index.vue
index fa4cd78..0ced500 100644
--- a/src/views/order/waybillManage/index.vue
+++ b/src/views/order/waybillManage/index.vue
@@ -1218,10 +1218,6 @@
       Message.warning('请选择要打印的订单');
       return;
     }
-    if (!printConnectionState.enabled || !printConnectionState.connected) {
-      Message.warning('请先在顶部打开并连接打印开关');
-      return;
-    }
     try {
       await withOrderActionLoading('singlePrint', async () => {
         const { printUrl } = await postOrderPrint({ id: getOrderRowId(row)! });
@@ -1232,6 +1228,9 @@
         }
         singlePrintItems.value = [buildPrintItem(row, printUrl)];
         singlePrintVisible.value = true;
+        if (!printConnectionState.enabled || !printConnectionState.connected) {
+          Message.info('已打开面单预览；静默打印需先在顶部连接打印开关');
+        }
       });
     } catch (e: any) {
       if (e?.message !== 'busy') {
@@ -1245,10 +1244,6 @@
     batchPrintItems.value = [];
     const rows = requireSelectedRows();
     if (!rows.length) return;
-    if (!printConnectionState.enabled || !printConnectionState.connected) {
-      Message.warning('请先在顶部打开并连接打印开关');
-      return;
-    }
     try {
       await withOrderActionLoading('batchPrint', async () => {
         await runSelectedOrderBatch({
@@ -1564,7 +1559,7 @@
     () => activeTab.value === 'pendingPayment' && hasPermission('Order.WaybillManage.Pay'),
   );
 
-  const actionRenderer = () => {
+  const actionRenderer = (_rowData: any, rowIndex: number) => {
     const parts = [
       renderWarehouseActionBtn('view', t('common.viewDetail'), 'view'),
       renderWarehouseActionBtn('track', t('order.myOrders.actions.viewTrack'), 'track'),
@@ -1576,7 +1571,7 @@
     if (showRowPayAction.value) {
       parts.push(renderWarehouseActionBtn('pay', t('order.myOrders.actions.pay'), 'pay'));
     }
-    return wrapWarehouseActions(parts);
+    return wrapWarehouseActions(parts, rowIndex);
   };
 
   const customCellRenderer = (row: number, col: number, value: any, rowData: any) => {