0.3.2.1 UI修复3

2026-01-20 07:24:12 +08:00
parent fa7235b1a7
commit f13de35321
16 changed files with 741 additions and 108 deletions
@@ -783,6 +783,7 @@ const computeDocumentStats = (blocks: Block<CustomBlockSchema>[]): DocumentStats
                sideMenu={(props: SideMenuProps<CustomBlockSchema>) => (
                <CustomSideMenu {...props} currentDocumentId={documentId} workspaceId={workspaceId} />
                )}
+                floatingOptions={{ placement: "left" }}
              />
            )}
          <CustomSlashMenu editor={editor} currentDocumentId={documentId} />
@@ -229,9 +229,50 @@ const MediaBlockContent = ({ block, editor }: any) => {
    editor.updateBlock(block, { props: { linkUrl: next.trim() } });
  };

-  const viewOriginal = () => {
-    if (!fileUrl) return;
-    window.open(fileUrl, "_blank", "noopener,noreferrer");
+  const resolveAssetId = async () => {
+    const direct = (block.props as { assetId?: string })?.assetId;
+    if (direct) return direct;
+
+    // 说明：历史数据/迁移场景下，media block 可能丢失 assetId，导致：
+    // - PDF 打开拿到的不是原文件（旧链接过期/返回 HTML）
+    // - OnlyOffice callback 缺少 assetId，进而“不能保存”
+    // 这里尝试通过 documentId + fileName 在 media_assets 中反查 assetId。
+    const docId = (block.props as { documentId?: string })?.documentId || resolveDocumentId();
+    const name = String(block.props.fileName || block.props.caption || "").trim();
+    if (!docId || !name) return "";
+
+    try {
+      const res = await fetch(
+        `/api/media/by-document?documentId=${encodeURIComponent(docId)}&limit=500`,
+      );
+      if (!res.ok) return "";
+      const payload = (await res.json().catch(() => null)) as { items?: Array<{ id?: string; file_name?: string | null }> } | null;
+      const items = Array.isArray(payload?.items) ? payload!.items! : [];
+      const hit = items.find((it) => String(it.file_name || "") === name);
+      return hit?.id ? String(hit.id) : "";
+    } catch {
+      return "";
+    }
+  };
+
+  const resolveLatestFileUrl = async () => {
+    if (!fileUrl) return "";
+    const assetId = await resolveAssetId();
+    if (!assetId) return fileUrl;
+    try {
+      const res = await fetch(`/api/media/sign?assetId=${encodeURIComponent(assetId)}`);
+      if (!res.ok) return fileUrl;
+      const payload = (await res.json().catch(() => null)) as { signedUrl?: string } | null;
+      return payload?.signedUrl || fileUrl;
+    } catch {
+      return fileUrl;
+    }
+  };
+
+  const viewOriginal = async () => {
+    const url = await resolveLatestFileUrl();
+    if (!url) return;
+    window.open(url, "_blank", "noopener,noreferrer");
  };

  const openWithOnlyOffice = async () => {
@@ -241,7 +282,7 @@ const MediaBlockContent = ({ block, editor }: any) => {
      return;
    }
    try {
-      const assetId = (block.props as { assetId?: string })?.assetId;
+      const assetId = await resolveAssetId();
      const res = assetId
        ? await fetch(`/api/media/sign?assetId=${encodeURIComponent(assetId)}`)
        : await fetch(
@@ -258,16 +299,20 @@ const MediaBlockContent = ({ block, editor }: any) => {
      target.searchParams.set("fileUrl", signedUrl);
      target.searchParams.set("fileName", displayFileName);
      target.searchParams.set("fileType", extension || "docx");
+      if (assetId) {
+        target.searchParams.set("assetId", assetId);
+      }
      window.open(target.toString(), "_blank", "noopener,noreferrer");
    } catch (error) {
      window.alert((error as Error).message);
    }
  };

-  const downloadAsset = () => {
-    if (!fileUrl) return;
+  const downloadAsset = async () => {
+    const url = await resolveLatestFileUrl();
+    if (!url) return;
    const anchor = document.createElement("a");
-    anchor.href = fileUrl;
+    anchor.href = url;
    anchor.download = block.props.fileName || block.props.caption || typeLabel; 
    anchor.click();
  };
@@ -364,44 +409,111 @@ const MediaBlockContent = ({ block, editor }: any) => {
        return "text-[#9B9A97]";
      };

-      return (
-        <div
-          role="button"
-          tabIndex={0}
-          onClick={() => {
-            if (isOfficeDoc) {
-              void openWithOnlyOffice();
-            } else {
-              downloadAsset();
-            }
-          }}
-          onKeyDown={(e) => {
-            if (e.key === "Enter" || e.key === " ") {
-              e.preventDefault();
+        return (
+          <div
+            role="button"
+            tabIndex={0}
+            onClick={() => {
              if (isOfficeDoc) {
                void openWithOnlyOffice();
              } else {
-                downloadAsset();
+                void downloadAsset();
              }
-            }
-          }}
-          className="group flex items-center gap-2 px-3 py-2 rounded-[4px] bg-white hover:bg-[#F5F5F5] transition-colors duration-200 cursor-pointer select-none"
-        >
-          <span className={cn("w-5 h-5 shrink-0 flex items-center justify-center", getIconColor())}>
-            <Paperclip className="h-4 w-4" />
-          </span>
-          <div className="flex flex-col justify-center gap-0.5 overflow-hidden">
-            <p className="text-[14px] text-[#37352F] font-normal truncate">{displayFileName}</p>
-            {block.props.fileSize ? (
-              <p className="text-[12px] text-[#999999]">{formatFileSize(block.props.fileSize)}</p>
-            ) : null}
+            }}
+            onKeyDown={(e) => {
+              if (e.key === "Enter" || e.key === " ") {
+                e.preventDefault();
+                if (isOfficeDoc) {
+                  void openWithOnlyOffice();
+                } else {
+                  void downloadAsset();
+                }
+              }
+            }}
+            data-testid="wolai-media-file-row"
+            className="group flex h-[26px] items-center gap-2 rounded-[4px] border border-transparent bg-transparent px-2 outline-none transition-colors duration-200 cursor-pointer select-none hover:border-[#E9E9E8] hover:bg-[#F7F7F5] focus:outline-none focus-visible:outline-none"
+          >
+            <span className={cn("w-5 h-5 flex-none flex items-center justify-center", getIconColor())}>
+              <Paperclip className="h-4 w-4" />
+            </span>
+            <div className="flex min-w-0 flex-1 flex-row items-center gap-2 overflow-hidden">
+              <span className="min-w-0 flex-1 truncate text-[14px] text-[#37352F] font-normal">
+                {displayFileName}
+              </span>
+              {block.props.fileSize ? (
+                <span className="shrink-0 text-[12px] text-[#999999]">{formatFileSize(block.props.fileSize)}</span>
+              ) : null}
+            </div>
+            <div className="ml-auto flex shrink-0 items-center gap-1">
+              <button
+                type="button"
+                data-testid="wolai-media-file-download"
+                className="inline-flex h-6 w-6 items-center justify-center rounded-[4px] text-[#9B9A97] hover:bg-[#EDEDED] hover:text-[#37352F]"
+                aria-label="下载"
+                title="下载"
+                onMouseDown={(e) => {
+                  e.preventDefault();
+                  e.stopPropagation();
+                }}
+                onClick={(e) => {
+                  e.preventDefault();
+                  e.stopPropagation();
+                  void downloadAsset();
+                }}
+              >
+                <Download className="h-4 w-4" />
+              </button>
+              <DropdownMenu>
+                <DropdownMenuTrigger asChild>
+                  <button
+                    type="button"
+                    data-testid="wolai-media-file-more"
+                    className="inline-flex h-6 w-6 items-center justify-center rounded-[4px] text-[#9B9A97] hover:bg-[#EDEDED] hover:text-[#37352F]"
+                    aria-label="更多操作"
+                    title="更多操作"
+                    onMouseDown={(e) => {
+                      e.preventDefault();
+                      e.stopPropagation();
+                    }}
+                    onClick={(e) => {
+                      e.preventDefault();
+                      e.stopPropagation();
+                    }}
+                  >
+                    <MoreHorizontal className="h-4 w-4" />
+                  </button>
+                </DropdownMenuTrigger>
+                <DropdownMenuContent align="end" className="w-56">
+                  <DropdownMenuItem onClick={handleChoose}>替换资源</DropdownMenuItem>
+                  {!shouldShowCaption && <DropdownMenuItem onClick={enableCaptionEdit}>添加说明</DropdownMenuItem>}
+                  <DropdownMenuItem onClick={handleLink}>{block.props.linkUrl ? "编辑链接" : "添加链接"}</DropdownMenuItem>
+                  <DropdownMenuItem onClick={() => handleCopyLink(fileUrl)}>复制链接</DropdownMenuItem>
+                  <DropdownMenuItem
+                    onClick={() => {
+                      void viewOriginal();
+                    }}
+                  >
+                    查看原文件
+                  </DropdownMenuItem>
+                  {isOfficeDoc && <DropdownMenuItem onClick={() => void openWithOnlyOffice()}>使用 ONLYOFFICE 打开</DropdownMenuItem>}
+                  <DropdownMenuItem
+                    onClick={() => {
+                      void downloadAsset();
+                    }}
+                  >
+                    下载到本地
+                  </DropdownMenuItem>
+                  <DropdownMenuSeparator />
+                  <DropdownMenuItem onClick={handleDeleteAsset}>删除</DropdownMenuItem>
+                </DropdownMenuContent>
+              </DropdownMenu>
+            </div>
          </div>
-        </div>
-      );
-    }
-    const inlineStyle = resolvedWidth ? { width: `${resolvedWidth}px` } : undefined;
-    return <img src={block.props.thumbnailUrl || fileUrl} alt={block.props.caption || typeLabel} style={inlineStyle} />;
-  };
+        );
+      }
+      const inlineStyle = resolvedWidth ? { width: `${resolvedWidth}px` } : undefined;
+      return <img src={block.props.thumbnailUrl || fileUrl} alt={block.props.caption || typeLabel} style={inlineStyle} />;
+    };

  const figure = (
    <figure
@@ -462,7 +574,9 @@ const MediaBlockContent = ({ block, editor }: any) => {
      key: "download",
      label: `下载${typeLabel}`,
      icon: <Download className="h-4 w-4" />,
-      onClick: downloadAsset,
+      onClick: () => {
+        void downloadAsset();
+      },
    },
    {
      key: "delete",
@@ -475,17 +589,17 @@ const MediaBlockContent = ({ block, editor }: any) => {
  const dropdownLinkLabel = block.props.linkUrl ? "编辑链接" : "添加链接";

  return (
-    <div className="wolai-media" ref={mediaRef}>
+    <div className={cn("wolai-media", assetType === "file" && "wolai-media--file")} ref={mediaRef}>
      <div
        className="wolai-media__canvas"
        style={resolvedWidth ? { width: `${resolvedWidth}px` } : undefined}
-        onDoubleClick={() => {
-          if (assetType === "file" && isOfficeDoc) {
-            void openWithOnlyOffice();
-          } else if (assetType === "file") {
-            viewOriginal();
-          }
-        }}
+          onDoubleClick={() => {
+            if (assetType === "file" && isOfficeDoc) {
+              void openWithOnlyOffice();
+            } else if (assetType === "file") {
+              void viewOriginal();
+            }
+          }}
      >
        {block.props.linkUrl ? (
          <a href={block.props.linkUrl} target="_blank" rel="noopener noreferrer">
@@ -494,6 +608,7 @@ const MediaBlockContent = ({ block, editor }: any) => {
        ) : (
          figure
        )}
+        {assetType !== "file" && (
        <div className="wolai-media__quickbar">
          {quickActions.map((action) => (
            <button
@@ -532,13 +647,25 @@ const MediaBlockContent = ({ block, editor }: any) => {
                  <DropdownMenuSeparator />
                </>
              )}
-              <DropdownMenuItem onClick={handleLink}>{dropdownLinkLabel}</DropdownMenuItem>
-              <DropdownMenuItem onClick={() => handleCopyLink(fileUrl)}>复制链接</DropdownMenuItem>
-              <DropdownMenuItem onClick={viewOriginal}>查看原文件</DropdownMenuItem>
-              {assetType === "file" && isOfficeDoc && (
-                <DropdownMenuItem onClick={() => void openWithOnlyOffice()}>使用 ONLYOFFICE 打开</DropdownMenuItem>
-              )}
-              <DropdownMenuItem onClick={downloadAsset}>下载到本地</DropdownMenuItem>
+               <DropdownMenuItem onClick={handleLink}>{dropdownLinkLabel}</DropdownMenuItem>
+               <DropdownMenuItem onClick={() => handleCopyLink(fileUrl)}>复制链接</DropdownMenuItem>
+               <DropdownMenuItem
+                 onClick={() => {
+                   void viewOriginal();
+                 }}
+               >
+                 查看原文件
+               </DropdownMenuItem>
+               {assetType === "file" && isOfficeDoc && (
+                 <DropdownMenuItem onClick={() => void openWithOnlyOffice()}>使用 ONLYOFFICE 打开</DropdownMenuItem>
+               )}
+               <DropdownMenuItem
+                 onClick={() => {
+                   void downloadAsset();
+                 }}
+               >
+                 下载到本地
+               </DropdownMenuItem>
              {canTriggerOcr && (
                <>
                  <DropdownMenuSeparator />
@@ -550,6 +677,7 @@ const MediaBlockContent = ({ block, editor }: any) => {
            </DropdownMenuContent>
          </DropdownMenu>
        </div>
+        )}
        {canResize && (
          <>
            <ResizeHandle side="left" dragging={Boolean(dragging)} onMouseDown={(event) => handleResizeStart(event, "left")} />
@@ -1,6 +1,6 @@
 'use client';

-import { useCallback, useMemo } from "react";
+import { useCallback, useMemo, useRef, useState, type MouseEvent as ReactMouseEvent } from "react";
 import type { Block, PartialBlock } from "@blocknote/core";
 import {
  BlockColorsItem,
@@ -12,6 +12,7 @@ import {
  type DragHandleMenuProps,
  type SideMenuProps,
 } from "@blocknote/react";
+import { Plus } from "lucide-react";
 import { useRouter } from "next/navigation";
 import type { CustomBlockSchema } from "../schema";
 import { deleteOnlineTable } from "@/lib/online-table";
@@ -36,6 +37,15 @@ type CustomDragProps = DragHandleMenuProps<CustomBlockSchema> & {
  workspaceId: string | null;
 };

+const FourDotHandleIcon = (props: React.SVGProps<SVGSVGElement>) => (
+  <svg viewBox="0 0 16 16" fill="currentColor" aria-hidden="true" {...props}>
+    <circle cx="6" cy="6" r="1.2" />
+    <circle cx="10" cy="6" r="1.2" />
+    <circle cx="6" cy="10" r="1.2" />
+    <circle cx="10" cy="10" r="1.2" />
+  </svg>
+);
+
 const extractText = (block: Block<CustomBlockSchema>) => {
  const inlineNodes = block.content as InlineNode[] | undefined;
  const maybeText = inlineNodes?.[0]?.text;
@@ -410,15 +420,133 @@ type CustomSideMenuProps = SideMenuProps<CustomBlockSchema> & {
  workspaceId: string | null;
 };

+const WolaiDragHandleWithInsert = (props: CustomSideMenuProps) => {
+  const Components = useComponentsContext()!;
+  const { editor, block, blockDragStart, blockDragEnd, freezeMenu, unfreezeMenu, currentDocumentId, workspaceId } = props;
+  const [activeLine, setActiveLine] = useState<null | "top" | "bottom">(null);
+  const [menuOpen, setMenuOpen] = useState(false);
+  const [hovering, setHovering] = useState(false);
+  const menuFrozenRef = useRef(false);
+
+  // 说明：Wolai 的附件（file）手柄是在行中线左侧居中显示。
+  // BlockNote 的 SideMenu 默认参考点更偏“块顶部”，因此这里通过扩大 hover 区域并把手柄定位到附件行中线来对齐。
+  const isFileAttachmentRow = block.type === "media" && (block as any)?.props?.assetType === "file";
+  const rowHeightPx = isFileAttachmentRow ? 26 : 24;
+  const hoverPadPx = 14;
+  const lineOffsetPx = 6;
+  const lineGapPx = 5;
+
+  const setFrozen = useCallback(
+    (next: boolean) => {
+      if (menuFrozenRef.current === next) return;
+      menuFrozenRef.current = next;
+      if (next) {
+        freezeMenu();
+      } else {
+        unfreezeMenu();
+      }
+    },
+    [freezeMenu, unfreezeMenu],
+  );
+
+  const insertParagraph = useCallback(
+    (position: "before" | "after") => {
+      const inserted = editor.insertBlocks([{ type: "paragraph" } as any], block as any, position as any)?.[0];
+      if (inserted) {
+        editor.setTextCursorPosition(inserted as any);
+        editor.focus();
+      }
+    },
+    [block, editor],
+  );
+
+  const stop = (e: ReactMouseEvent) => {
+    e.preventDefault();
+    e.stopPropagation();
+  };
+
+  return (
+    <Components.Generic.Menu.Root
+      onOpenChange={(open: boolean) => {
+        setMenuOpen(open);
+        setFrozen(open || hovering);
+      }}
+      position={"left"}
+    >
+      <div
+        className="relative w-7 overflow-visible"
+        style={{ height: rowHeightPx + hoverPadPx * 2, marginTop: -hoverPadPx }}
+        onMouseEnter={() => {
+          setHovering(true);
+          setFrozen(menuOpen || true);
+        }}
+        onMouseLeave={() => {
+          setHovering(false);
+          setActiveLine(null);
+          setFrozen(menuOpen || false);
+        }}
+      >
+        {activeLine !== "bottom" && (
+          <button
+            type="button"
+            data-testid="wolai-insert-before"
+            title="在上方插入块"
+            className={`absolute left-1/2 z-30 flex h-4 w-4 -translate-x-1/2 items-center justify-center rounded-[4px] text-[#9B9A97] hover:bg-[#EDEDED] hover:text-[#37352F] ${hovering ? "opacity-100 pointer-events-auto" : "opacity-0 pointer-events-none"}`}
+            style={{ top: hoverPadPx - lineOffsetPx - lineGapPx }}
+            onMouseEnter={() => setActiveLine("top")}
+            onMouseDown={stop}
+            onClick={(e) => {
+              stop(e);
+              insertParagraph("before");
+            }}
+          >
+            {activeLine === "top" ? <Plus className="h-3.5 w-3.5" /> : <span className="block h-px w-3 bg-[#CFCFCF]" />}
+          </button>
+        )}
+
+        <div
+          className="absolute left-1/2 -translate-x-1/2 -translate-y-1/2"
+          style={{ top: hoverPadPx + rowHeightPx / 2 }}
+          onMouseEnter={() => setActiveLine(null)}
+        >
+          <Components.Generic.Menu.Trigger>
+            <Components.SideMenu.Button
+              label="块操作"
+              draggable={true}
+              onDragStart={(e) => blockDragStart(e, block)}
+              onDragEnd={blockDragEnd}
+              className={"bn-button bn-drag-handle"}
+              icon={<FourDotHandleIcon className="h-5 w-5" data-test="dragHandle" />}
+            />
+          </Components.Generic.Menu.Trigger>
+        </div>
+
+        {activeLine !== "top" && (
+          <button
+            type="button"
+            data-testid="wolai-insert-after"
+            title="在下方插入块"
+            className={`absolute left-1/2 z-30 flex h-4 w-4 -translate-x-1/2 items-center justify-center rounded-[4px] text-[#9B9A97] hover:bg-[#EDEDED] hover:text-[#37352F] ${hovering ? "opacity-100 pointer-events-auto" : "opacity-0 pointer-events-none"}`}
+            style={{ bottom: hoverPadPx - lineOffsetPx - lineGapPx }}
+            onMouseEnter={() => setActiveLine("bottom")}
+            onMouseDown={stop}
+            onClick={(e) => {
+              stop(e);
+              insertParagraph("after");
+            }}
+          >
+            {activeLine === "bottom" ? <Plus className="h-3.5 w-3.5" /> : <span className="block h-px w-3 bg-[#CFCFCF]" />}
+          </button>
+        )}
+      </div>
+
+      <CustomDragHandleMenu block={block} currentDocumentId={currentDocumentId} workspaceId={workspaceId} />
+    </Components.Generic.Menu.Root>
+  );
+};
+
 export const CustomSideMenu = (props: CustomSideMenuProps) => (
-  <SideMenu
-    {...props}
-    dragHandleMenu={(dragProps) => (
-      <CustomDragHandleMenu
-        {...(dragProps as DragHandleMenuProps<CustomBlockSchema>)}
-        currentDocumentId={props.currentDocumentId}
-        workspaceId={props.workspaceId}
-      />
-    )}
-  />
+  <SideMenu {...props}>
+    <WolaiDragHandleWithInsert {...props} />
+  </SideMenu>
 );
@@ -16,14 +16,47 @@ export function ConvexClientProvider({ children }: ConvexClientProviderProps) {
    // 动态获取 Convex URL，默认优先使用环境变量。
    // 说明：浏览器侧优先用当前 hostname（端口固定 3210），避免通过非 localhost/127 访问前端时出现跨域/白名单不匹配。
    const getConvexUrl = () => {
+      const normalize = (url: string) => url.replace(/\/+$/, "");
+      const isLocalHost = (host: string) => host === "localhost" || host === "127.0.0.1";
+      const convexProxyPath = "/convex";
+
      // 默认使用环境变量
-      const envUrl = process.env.NEXT_PUBLIC_CONVEX_URL;
+      const envUrlRaw = (process.env.NEXT_PUBLIC_CONVEX_URL ?? "").trim();
      if (typeof window === "undefined") {
-        return envUrl || "http://127.0.0.1:3210";
+        return normalize(envUrlRaw || "http://127.0.0.1:3210");
      }
-      // 在浏览器中，使用当前主机名，但端口改为 3210
+
+      const browserProtocol = window.location.protocol;
+
+      // 浏览器侧：优先尊重 NEXT_PUBLIC_CONVEX_URL（例如生产环境的 https://xxx.convex.cloud）。
+      // 仅在 envUrl 是 localhost/127.0.0.1 时，才把 host 改为当前 hostname，避免通过域名访问前端时出现不一致。
+      if (envUrlRaw) {
+        try {
+          const url = new URL(envUrlRaw);
+          const browserHost = window.location.hostname;
+
+          // 当通过 HTTPS（如 frp/nginx）访问前端时，浏览器不允许从 https 页面发起 ws://（不安全）连接。
+          // 若 envUrl 仍是 http://localhost:3210，则走同源反代（由 scripts/dev-server.js 处理 Upgrade）转到本机 3210。
+          if (browserProtocol === "https:" && (url.protocol === "http:" || isLocalHost(url.hostname))) {
+            return normalize(`${window.location.origin}${convexProxyPath}`);
+          }
+
+          if (isLocalHost(url.hostname) && !isLocalHost(browserHost)) {
+            // 非 https 访问时才尝试“借用当前 host:3210”；https 场景已提前走同源反代。
+            url.hostname = browserHost;
+          }
+
+          return normalize(url.toString());
+        } catch {
+          // envUrl 不是合法 URL 时，按原值兜底
+          return normalize(envUrlRaw);
+        }
+      }
+
+      // 未配置 env：使用当前主机名，端口固定 3210，并跟随当前页面协议（http/https）。
      const hostname = window.location.hostname;
-      return `http://${hostname}:3210`;
+      const protocol = "http:";
+      return normalize(`${protocol}//${hostname}:3210`);
    };

    const convexUrl = getConvexUrl();
@@ -542,7 +542,7 @@ function SidebarContent({ initialData, sidebarQuery }: SidebarContentProps) {
      setOpen(false);
      return;
    }
-
+ 
    const officeFileType = officeFileTypeFromAsset(asset.file_name ?? null, asset.mime_type ?? null);
    if (officeFileType) {
      const officeBase = getMnoteRuntimeConfig().onlyofficeBaseUrl;
@@ -571,15 +571,34 @@ function SidebarContent({ initialData, sidebarQuery }: SidebarContentProps) {
      })();
      return;
    }
-
-    const url = asset.signed_url ?? asset.file_url;
-    if (!url) {
-      window.alert("暂无可用的文件链接");
-      return;
-    }
-    if (typeof window !== "undefined") {
-      window.open(url, "_blank", "noopener,noreferrer");
-    }
+ 
+    void (async () => {
+      try {
+        const res = await fetch(`/api/media/sign?assetId=${encodeURIComponent(asset.id)}`);
+        if (!res.ok) {
+          const payload = await res.json().catch(() => null);
+          throw new Error(payload?.error ?? "生成签名链接失败");
+        }
+        const { signedUrl } = (await res.json()) as { signedUrl: string };
+        if (!signedUrl) {
+          throw new Error("暂无可用的文件链接");
+        }
+        if (typeof window !== "undefined") {
+          window.open(signedUrl, "_blank", "noopener,noreferrer");
+        }
+        setOpen(false);
+      } catch {
+        const fallback = asset.signed_url ?? asset.file_url;
+        if (!fallback) {
+          window.alert("暂无可用的文件链接");
+          return;
+        }
+        if (typeof window !== "undefined") {
+          window.open(fallback, "_blank", "noopener,noreferrer");
+        }
+        setOpen(false);
+      }
+    })();
  }, [activeId, editorBridge, router, setOpen]);

  const handleFileTreeBlankMouseDown = useCallback(() => {
@@ -846,13 +865,28 @@ function SidebarContent({ initialData, sidebarQuery }: SidebarContentProps) {
      window.alert("在线表格暂不支持下载（后续可做导出 JSON/Excel）");
      return;
    }
-    const url = asset.signed_url ?? asset.file_url;
-    if (!url) {
-      window.alert("暂无可用的下载链接");
-      return;
-    }
-    if (typeof window !== "undefined") {
-      window.open(url, "_blank", "noopener,noreferrer");
+    try {
+      const res = await fetch(`/api/media/sign?assetId=${encodeURIComponent(asset.id)}`);
+      if (!res.ok) {
+        const payload = await res.json().catch(() => null);
+        throw new Error(payload?.error ?? "生成签名链接失败");
+      }
+      const { signedUrl } = (await res.json()) as { signedUrl: string };
+      if (!signedUrl) {
+        throw new Error("暂无可用的下载链接");
+      }
+      if (typeof window !== "undefined") {
+        window.open(signedUrl, "_blank", "noopener,noreferrer");
+      }
+    } catch {
+      const fallback = asset.signed_url ?? asset.file_url;
+      if (!fallback) {
+        window.alert("暂无可用的下载链接");
+        return;
+      }
+      if (typeof window !== "undefined") {
+        window.open(fallback, "_blank", "noopener,noreferrer");
+      }
    }
  }, []);