diff --git a/frontend-web/src/pages/LightAppManagementPage.tsx b/frontend-web/src/pages/LightAppManagementPage.tsx
index 2e28b2c0..679c6e95 100644
--- a/frontend-web/src/pages/LightAppManagementPage.tsx
+++ b/frontend-web/src/pages/LightAppManagementPage.tsx
@@ -3,13 +3,16 @@
  *
  * 深蓝主题适配见 `./light-app-management.css`（《深蓝色 UI 规范》tokens.css）。
  */
-import { useMemo, useState } from "react";
+import { useEffect, useMemo, useRef, useState } from "react";
 import {
   AlertCircle,
   AlignLeft,
+  ArrowDown,
+  ArrowUp,
   ChevronDown,
   ChevronUp,
   Copy,
+  GripVertical,
   ExternalLink,
   FolderTree,
   Globe,
@@ -239,6 +242,68 @@ export default function LightAppManagementPage() {
     [apps, categoryFilter, mountFilter],
   );
 
+  // ── 排序调整：仅当「iframe 嵌套 + 指定某个挂载菜单」时开启 ──
+  // 同一菜单下的多个 iframe 子项可拖拽 / 上下移调整顺序；调整即写回各应用的 sortOrder，
+  // 侧栏（use-sidebar-menu 按列表顺序注入，后端按 sort_order 升序返回）随之同步。
+  const reorderable = categoryFilter === "iframe" && !!mountFilter && viewMode === "table";
+  // 乐观顺序覆盖（保存期间稳定显示，刷新回来与服务端一致）；切换筛选/搜索即清空，回落服务端顺序。
+  const [orderIds, setOrderIds] = useState<string[] | null>(null);
+  const [reordering, setReordering] = useState(false);
+  const dragIndexRef = useRef<number | null>(null);
+  useEffect(() => {
+    setOrderIds(null);
+  }, [categoryFilter, mountFilter, search]);
+
+  const displayApps = useMemo(() => {
+    if (!reorderable || !orderIds) return tableApps;
+    const pos = new Map(orderIds.map((id, i) => [id, i] as const));
+    return [...tableApps].sort(
+      (a, b) => (pos.get(a.appId) ?? 1e9) - (pos.get(b.appId) ?? 1e9),
+    );
+  }, [reorderable, orderIds, tableApps]);
+
+  // 把整组按新顺序重排 sortOrder（组内 0-based；只 PUT 顺序变了的项），乐观先行。
+  const persistOrder = async (ordered: LightApp[]) => {
+    setOrderIds(ordered.map((a) => a.appId));
+    const changed = ordered.filter((a, i) => a.sortOrder !== i);
+    if (changed.length === 0) return;
+    setReordering(true);
+    try {
+      await Promise.all(
+        ordered.map((a, i) =>
+          a.sortOrder === i
+            ? Promise.resolve()
+            : actions.update.mutateAsync({ appId: a.appId, patch: { sortOrder: i } }),
+        ),
+      );
+    } catch (err) {
+      toast.error((err as Error).message || "排序保存失败");
+      setOrderIds(null);
+    } finally {
+      setReordering(false);
+    }
+  };
+
+  const moveApp = (index: number, dir: -1 | 1) => {
+    if (reordering) return;
+    const target = index + dir;
+    if (target < 0 || target >= displayApps.length) return;
+    const next = [...displayApps];
+    [next[index], next[target]] = [next[target]!, next[index]!];
+    void persistOrder(next);
+  };
+
+  const handleRowDrop = (toIndex: number) => {
+    const from = dragIndexRef.current;
+    dragIndexRef.current = null;
+    if (from === null || from === toIndex || reordering) return;
+    const next = [...displayApps];
+    const [moved] = next.splice(from, 1);
+    if (!moved) return;
+    next.splice(toIndex, 0, moved);
+    void persistOrder(next);
+  };
+
   return (
     <div className="light-app-management-page h-full overflow-y-auto bg-neutral-50 dark:bg-[#0C1836] dark:text-[#C5CFE0]">
       <div className="mx-auto flex min-h-full w-full max-w-7xl flex-col space-y-7 px-8 py-8">
@@ -349,9 +414,18 @@ export default function LightAppManagementPage() {
         </div>
 
         <div className="space-y-4">
-          <div className="lam-count text-xs font-medium text-neutral-500">
-            搜寻到 <strong className="font-bold text-[#F5222D]">{tableApps.length}</strong>{" "}
-            个注册完成的子模块轻应用
+          <div className="lam-count flex flex-wrap items-center gap-x-3 gap-y-1 text-xs font-medium text-neutral-500">
+            <span>
+              搜寻到 <strong className="font-bold text-[#F5222D]">{tableApps.length}</strong>{" "}
+              个注册完成的子模块轻应用
+            </span>
+            {reorderable && (
+              <span className="inline-flex items-center gap-1 text-[11px] text-sky-600">
+                <GripVertical className="h-3.5 w-3.5" />
+                拖拽行或用上 / 下按钮调整「{mountLabel(mountFilter)}」下的菜单顺序，调整即生效
+                {reordering && <span className="text-neutral-400">· 保存中…</span>}
+              </span>
+            )}
           </div>
 
           {viewMode === "table" ? (
@@ -359,6 +433,7 @@ export default function LightAppManagementPage() {
               <table className="lam-table w-full table-fixed border-collapse text-left">
                 <thead>
                   <tr className="select-none border-b border-neutral-100/80 bg-neutral-50/40 text-[12.5px] font-semibold text-neutral-500">
+                    {reorderable && <th className="w-[44px] px-2 py-4" aria-label="拖拽排序" />}
                     <th className="w-[15%] px-6 py-4">名称</th>
                     <th className="w-[14%] px-4 py-4">类型</th>
                     <th className="w-[27%] px-4 py-4">地址</th>
@@ -369,8 +444,32 @@ export default function LightAppManagementPage() {
                   </tr>
                 </thead>
             <tbody className="divide-y divide-neutral-100">
-              {tableApps.map((app) => (
-                <tr key={app.appId} className="group align-middle transition-colors hover:bg-neutral-50/40">
+              {displayApps.map((app, index) => (
+                <tr
+                  key={app.appId}
+                  className={`group align-middle transition-colors hover:bg-neutral-50/40 ${
+                    reorderable ? "lam-reorder-row" : ""
+                  }`}
+                  draggable={reorderable}
+                  onDragStart={
+                    reorderable
+                      ? (e) => {
+                          dragIndexRef.current = index;
+                          e.dataTransfer.effectAllowed = "move";
+                        }
+                      : undefined
+                  }
+                  onDragOver={reorderable ? (e) => e.preventDefault() : undefined}
+                  onDrop={reorderable ? () => handleRowDrop(index) : undefined}
+                >
+                  {reorderable && (
+                    <td className="px-2 py-[18px] text-center">
+                      <GripVertical
+                        className="lam-drag-handle mx-auto h-4 w-4 cursor-grab text-neutral-300"
+                        aria-hidden
+                      />
+                    </td>
+                  )}
                   <td className="px-6 py-[18px]">
                     <span className="lam-row-name text-[14px] font-bold text-neutral-800 transition-colors group-hover:text-[#F5222D]">
                       {app.name}
@@ -505,6 +604,29 @@ export default function LightAppManagementPage() {
 
                   <td className="px-4 py-[18px] pr-6 text-center">
                     <div className="flex items-center justify-center space-x-1">
+                      {reorderable && (
+                        <>
+                          <button
+                            type="button"
+                            disabled={index === 0 || reordering}
+                            onClick={() => moveApp(index, -1)}
+                            className="lam-icon-btn cursor-pointer rounded-[5px] p-1 text-neutral-400 transition-colors hover:bg-neutral-100 hover:text-[#F5222D] disabled:cursor-not-allowed disabled:opacity-30"
+                            title="上移"
+                          >
+                            <ArrowUp className="h-3.5 w-3.5" />
+                          </button>
+                          <button
+                            type="button"
+                            disabled={index === displayApps.length - 1 || reordering}
+                            onClick={() => moveApp(index, 1)}
+                            className="lam-icon-btn cursor-pointer rounded-[5px] p-1 text-neutral-400 transition-colors hover:bg-neutral-100 hover:text-[#F5222D] disabled:cursor-not-allowed disabled:opacity-30"
+                            title="下移"
+                          >
+                            <ArrowDown className="h-3.5 w-3.5" />
+                          </button>
+                          <span className="mx-0.5 h-4 w-px shrink-0 bg-neutral-200" />
+                        </>
+                      )}
                       <button
                         onClick={() => openEdit(app)}
                         className="lam-icon-btn cursor-pointer rounded-[5px] p-1.5 text-neutral-500 transition-colors hover:bg-neutral-100 hover:text-emerald-600"
@@ -524,9 +646,9 @@ export default function LightAppManagementPage() {
                 </tr>
               ))}
 
-              {tableApps.length === 0 && (
+              {displayApps.length === 0 && (
                 <tr>
-                  <td colSpan={7} className="py-12 text-center">
+                  <td colSpan={reorderable ? 8 : 7} className="py-12 text-center">
                     <div className="flex flex-col items-center justify-center space-y-3">
                       <div className="lam-empty-icon flex h-12 w-12 items-center justify-center rounded-full bg-neutral-100 text-neutral-300">
                         <Info className="h-6 w-6" />
diff --git a/frontend-web/src/pages/light-app-management.css b/frontend-web/src/pages/light-app-management.css
index 8f0fa408..22250842 100644
--- a/frontend-web/src/pages/light-app-management.css
+++ b/frontend-web/src/pages/light-app-management.css
@@ -678,3 +678,18 @@
 [data-theme="lightblue"] .light-app-management-page .lam-dialog-save:active {
   background-color: #0056C6;
 }
+
+/* ── iframe 菜单排序：拖拽行 + 拖拽手柄 ───────────────────────────────── */
+.light-app-management-page .lam-reorder-row {
+  cursor: grab;
+}
+.light-app-management-page .lam-reorder-row:active {
+  cursor: grabbing;
+}
+/* 深蓝主题下手柄/箭头用次级文字色，避免在深底上发灰看不清 */
+.dark .light-app-management-page .lam-drag-handle {
+  color: #4A6491;
+}
+.dark .light-app-management-page .lam-reorder-row:hover .lam-drag-handle {
+  color: #6E88B0;
+}