From 066a9b519255299964dc8cabd0eac1c87f93256d Mon Sep 17 00:00:00 2001
From: Daniel <845765@qq.com>
Date: Fri, 16 Jan 2026 21:59:21 +0800
Subject: [PATCH] :art: Add "Remove ID from asset name" switch to export
 settings https://github.com/siyuan-note/siyuan/issues/16065

Signed-off-by: Daniel <845765@qq.com>
---
 app/appearance/langs/ar_SA.json  |  2 +
 app/appearance/langs/de_DE.json  |  2 +
 app/appearance/langs/en_US.json  |  2 +
 app/appearance/langs/es_ES.json  |  2 +
 app/appearance/langs/fr_FR.json  |  2 +
 app/appearance/langs/he_IL.json  |  2 +
 app/appearance/langs/it_IT.json  |  2 +
 app/appearance/langs/ja_JP.json  |  2 +
 app/appearance/langs/ko_KR.json  |  2 +
 app/appearance/langs/pl_PL.json  |  2 +
 app/appearance/langs/pt_BR.json  |  2 +
 app/appearance/langs/ru_RU.json  |  2 +
 app/appearance/langs/tr_TR.json  |  2 +
 app/appearance/langs/zh_CHT.json |  2 +
 app/appearance/langs/zh_CN.json  |  2 +
 app/src/config/exportConfig.ts   |  9 ++++
 app/src/config/search.ts         |  2 +-
 app/src/types/config.d.ts        |  4 ++
 kernel/conf/export.go            |  2 +
 kernel/model/assets.go           | 17 ++++++++
 kernel/model/export.go           | 75 +++++++++++++++++++++++++++-----
 21 files changed, 128 insertions(+), 11 deletions(-)

diff --git a/app/appearance/langs/ar_SA.json b/app/appearance/langs/ar_SA.json
index 1dfa19cc9..02f708e9d 100644
--- a/app/appearance/langs/ar_SA.json
+++ b/app/appearance/langs/ar_SA.json
@@ -1,4 +1,6 @@
 {
+  "removeAssetsID": "إزالة الـ ID من أسماء ملفات الموارد",
+  "removeAssetsIDTip": "عند التفعيل سيتم إزالة جزء الـ ID من أسماء ملفات الموارد عند تصدير Markdown",
   "clearTempFiles": "Temporäre Dateien bereinigen",
   "clearTempFilesTip": "Bereinigen Sie temporäre Dateien, die während der Ausführung der Anwendung erstellt wurden, um Speicherplatz freizugeben",
   "uploadFileTooLarge": "⚠️ الملف الذي تم رفعه [${x}] كبير جدًا [${y}]，هل تؤكد المتابعة بالرفع？",
diff --git a/app/appearance/langs/de_DE.json b/app/appearance/langs/de_DE.json
index 1221ccd4a..73cc4bb61 100644
--- a/app/appearance/langs/de_DE.json
+++ b/app/appearance/langs/de_DE.json
@@ -1,4 +1,6 @@
 {
+  "removeAssetsID": "ID aus Asset-Dateinamen entfernen",
+  "removeAssetsIDTip": "Wenn aktiviert, wird beim Export nach Markdown der ID-Teil aus den Asset-Dateinamen entfernt",
   "clearTempFiles": "Temporäre Dateien bereinigen",
   "clearTempFilesTip": "Bereinigen Sie temporäre Dateien, die während der Ausführung der Anwendung erstellt wurden, um Speicherplatz freizugeben",
   "uploadFileTooLarge": "⚠️ Die hochgeladene Datei [${x}] ist zu groß [${y}]. Sind Sie sicher, dass Sie den Upload fortsetzen möchten?",
diff --git a/app/appearance/langs/en_US.json b/app/appearance/langs/en_US.json
index 4dbdc436e..b6054ddb1 100644
--- a/app/appearance/langs/en_US.json
+++ b/app/appearance/langs/en_US.json
@@ -1,4 +1,6 @@
 {
+  "removeAssetsID": "Remove ID from asset file names",
+  "removeAssetsIDTip": "When enabled, the ID part will be removed from asset file names when exporting Markdown",
   "clearTempFiles": "Clear temporary files",
   "clearTempFilesTip": "Clear temporary files generated while the app is running to free up storage space",
   "uploadFileTooLarge": "⚠️ The uploaded file [${x}] is too large [${y}]. Are you sure you want to continue uploading?",
diff --git a/app/appearance/langs/es_ES.json b/app/appearance/langs/es_ES.json
index 4b81e0931..ee4b4e157 100644
--- a/app/appearance/langs/es_ES.json
+++ b/app/appearance/langs/es_ES.json
@@ -1,4 +1,6 @@
 {
+  "removeAssetsID": "Eliminar el ID de los nombres de archivo de los recursos",
+  "removeAssetsIDTip": "Al habilitar, al exportar a Markdown se eliminará la parte del nombre de archivo de recursos que contiene el ID",
   "clearTempFiles": "Limpiar archivos temporales",
   "clearTempFilesTip": "Limpia los archivos temporales generados durante la ejecución de la aplicación para liberar espacio de almacenamiento",
   "uploadFileTooLarge": "⚠️ El archivo subido [${x}] es demasiado grande [${y}]，¿estás seguro de que deseas continuar con la subida?",
diff --git a/app/appearance/langs/fr_FR.json b/app/appearance/langs/fr_FR.json
index a3c655faa..477ddfa78 100644
--- a/app/appearance/langs/fr_FR.json
+++ b/app/appearance/langs/fr_FR.json
@@ -1,4 +1,6 @@
 {
+  "removeAssetsID": "Supprimer l'ID des noms de fichiers des ressources",
+  "removeAssetsIDTip": "Une fois activé, lors de l'export en Markdown, la partie ID dans le nom des fichiers de ressources sera supprimée",
   "clearTempFiles": "Effacer les fichiers temporaires",
   "clearTempFilesTip": "Effacez les fichiers temporaires générés lors de l'exécution de l'application pour libérer de l'espace de stockage",
   "uploadFileTooLarge": "⚠️ Le fichier envoyé [${x}] est trop volumineux [${y}]. Voulez-vous continuer l'envoi ?",
diff --git a/app/appearance/langs/he_IL.json b/app/appearance/langs/he_IL.json
index 921ed610b..07beefd51 100644
--- a/app/appearance/langs/he_IL.json
+++ b/app/appearance/langs/he_IL.json
@@ -1,4 +1,6 @@
 {
+  "removeAssetsID": "הסר את ה‑ID משמות קבצי המשאבים",
+  "removeAssetsIDTip": "כאשר מופעל, בעת ייצוא ל‑Markdown יוסר חלק ה‑ID משמות קבצי המשאבים",
   "clearTempFiles": "ניקוי קבצים זמניים",
   "clearTempFilesTip": "נקה קבצים זמניים שנוצרו במהלך הפעלת היישום כדי לפנות מקום אחסון",
   "uploadFileTooLarge": "⚠️ הקובץ שהועלה [${x}] גדול מאוד [${y}]，אשר האם להמשיך בהעלאה？",
diff --git a/app/appearance/langs/it_IT.json b/app/appearance/langs/it_IT.json
index ab494379f..67a0eaa91 100644
--- a/app/appearance/langs/it_IT.json
+++ b/app/appearance/langs/it_IT.json
@@ -1,4 +1,6 @@
 {
+  "removeAssetsID": "Rimuovi l'ID dai nomi dei file delle risorse",
+  "removeAssetsIDTip": "Se abilitato, durante l'esportazione in Markdown verrà rimossa la parte ID dai nomi dei file delle risorse",
   "clearTempFiles": "Elimina file temporanei",
   "clearTempFilesTip": "Elimina i file temporanei creati durante l'esecuzione dell'app per liberare spazio di archiviazione",
   "uploadFileTooLarge": "⚠️ Il file caricato [${x}] è troppo grande [${y}]. Sei sicuro di voler continuare il caricamento?",
diff --git a/app/appearance/langs/ja_JP.json b/app/appearance/langs/ja_JP.json
index 957fb39ba..66fc87dc5 100644
--- a/app/appearance/langs/ja_JP.json
+++ b/app/appearance/langs/ja_JP.json
@@ -1,4 +1,6 @@
 {
+  "removeAssetsID": "リソースファイル名から ID を削除",
+  "removeAssetsIDTip": "有効にすると Markdown をエクスポートする際にリソースファイル名の ID 部分を削除します",
   "clearTempFiles": "一時ファイルを削除",
   "clearTempFilesTip": "アプリの実行中に生成された一時ファイルを削除して、ストレージ領域を解放します",
   "uploadFileTooLarge": "⚠️ アップロードしたファイル [${x}] は [${y}] で大きすぎます。アップロードを続行しますか？",
diff --git a/app/appearance/langs/ko_KR.json b/app/appearance/langs/ko_KR.json
index c4c4ec386..af89315f4 100644
--- a/app/appearance/langs/ko_KR.json
+++ b/app/appearance/langs/ko_KR.json
@@ -1,4 +1,6 @@
 {
+  "removeAssetsID": "리소스 파일 이름의 ID 제거",
+  "removeAssetsIDTip": "활성화하면 Markdown 내보내기 시 리소스 파일 이름의 ID 부분을 제거합니다",
   "clearTempFiles": "임시 파일 정리",
   "clearTempFilesTip": "앱 실행 중 생성된 임시 파일을 정리하여 저장 공간을 확보합니다",
   "uploadFileTooLarge": "⚠️ 업로드한 파일 [${x}]의 크기가 [${y}]로 너무 큽니다. 계속 업로드하시겠습니까?",
diff --git a/app/appearance/langs/pl_PL.json b/app/appearance/langs/pl_PL.json
index b09472c04..7f64c4025 100644
--- a/app/appearance/langs/pl_PL.json
+++ b/app/appearance/langs/pl_PL.json
@@ -1,4 +1,6 @@
 {
+  "removeAssetsID": "Usuń ID z nazw plików zasobów",
+  "removeAssetsIDTip": "Po włączeniu podczas eksportu do Markdown zostanie usunięta część nazwy pliku zasobu zawierająca ID",
   "clearTempFiles": "Wyczyść pliki tymczasowe",
   "clearTempFilesTip": "Wyczyść pliki tymczasowe tworzone podczas działania aplikacji, aby zwolnić miejsce na dysku",
   "uploadFileTooLarge": "⚠️ Przesłany plik [${x}] jest za duży [${y}]. Czy na pewno chcesz kontynuować przesyłanie?",
diff --git a/app/appearance/langs/pt_BR.json b/app/appearance/langs/pt_BR.json
index b1e112e65..87183f7f7 100644
--- a/app/appearance/langs/pt_BR.json
+++ b/app/appearance/langs/pt_BR.json
@@ -1,4 +1,6 @@
 {
+  "removeAssetsID": "Remover o ID dos nomes dos arquivos de recursos",
+  "removeAssetsIDTip": "Ao ativar, ao exportar para Markdown a parte do nome do arquivo de recursos contendo o ID será removida",
   "clearTempFiles": "Limpar arquivos temporários",
   "clearTempFilesTip": "Limpe os arquivos temporários gerados durante a execução do aplicativo para liberar espaço de armazenamento",
   "uploadFileTooLarge": "⚠️ O arquivo enviado [${x}] é muito grande [${y}]。 Tem certeza de que deseja continuar o upload?",
diff --git a/app/appearance/langs/ru_RU.json b/app/appearance/langs/ru_RU.json
index 0bb06134e..8969a5d64 100644
--- a/app/appearance/langs/ru_RU.json
+++ b/app/appearance/langs/ru_RU.json
@@ -1,4 +1,6 @@
 {
+  "removeAssetsID": "Удалить ID из имени файла ресурса",
+  "removeAssetsIDTip": "При включении при экспорте в Markdown из имён файлов ресурсов будет удалена часть с ID",
   "clearTempFiles": "Очистить временные файлы",
   "clearTempFilesTip": "Очистите временные файлы, созданные при работе приложения, чтобы освободить место в хранилище",
   "uploadFileTooLarge": "⚠️ Загруженный файл [${x}] очень большой [${y}]. Вы уверены, что хотите продолжить загрузку?",
diff --git a/app/appearance/langs/tr_TR.json b/app/appearance/langs/tr_TR.json
index 634f95fde..b4be85cfc 100644
--- a/app/appearance/langs/tr_TR.json
+++ b/app/appearance/langs/tr_TR.json
@@ -1,4 +1,6 @@
 {
+  "removeAssetsID": "Varlık dosya adlarındaki ID'yi kaldır",
+  "removeAssetsIDTip": "Etkinleştirildiğinde Markdown dışa aktarılırken varlık dosya adlarındaki ID kısmı kaldırılacaktır",
   "clearTempFiles": "Geçici dosyaları temizle",
   "clearTempFilesTip": "Uygulama çalışırken oluşan geçici dosyaları temizleyerek depolama alanını boşalt",
   "uploadFileTooLarge": "⚠️ Yüklenen dosya [${x}], boyutu [${y}] kadar büyük. Yüklemeye devam etmek istediğinize emin misiniz?",
diff --git a/app/appearance/langs/zh_CHT.json b/app/appearance/langs/zh_CHT.json
index 7c7fbed2c..e13465b62 100644
--- a/app/appearance/langs/zh_CHT.json
+++ b/app/appearance/langs/zh_CHT.json
@@ -1,4 +1,6 @@
 {
+  "removeAssetsID": "移除資源檔名中的 ID",
+  "removeAssetsIDTip": "啟用後在匯出 Markdown 時會移除資源檔名中的 ID 部分",
   "clearTempFiles": "清理臨時檔案",
   "clearTempFilesTip": "清理應用運行過程中產生的臨時檔案以釋放儲存空間",
   "uploadFileTooLarge": "⚠️ 上傳的檔案 [${x}] 很大 [${y}]，請確認是否繼續上傳？",
diff --git a/app/appearance/langs/zh_CN.json b/app/appearance/langs/zh_CN.json
index da03462dc..47da61ebe 100644
--- a/app/appearance/langs/zh_CN.json
+++ b/app/appearance/langs/zh_CN.json
@@ -1,4 +1,6 @@
 {
+  "removeAssetsID": "移除资源文件名中的 ID",
+  "removeAssetsIDTip": "启用后在导出 Markdown 时将移除资源文件名中的 ID 部分",
   "clearTempFiles": "清理临时文件",
   "clearTempFilesTip": "清理应用运行过程中产生的临时文件以释放存储空间",
   "uploadFileTooLarge": "⚠️ 上传的文件 [${x}] 很大 [${y}]，请确认是否继续上传？",
diff --git a/app/src/config/exportConfig.ts b/app/src/config/exportConfig.ts
index bb4e3f8fb..b9acf695d 100644
--- a/app/src/config/exportConfig.ts
+++ b/app/src/config/exportConfig.ts
@@ -39,6 +39,14 @@ export const exportConfig = {
     <span class="fn__space"></span>
     <input class="b3-switch fn__flex-center" id="markdownYFM" type="checkbox"${window.siyuan.config.export.markdownYFM ? " checked" : ""}/>
 </label>
+<label class="fn__flex b3-label">
+    <div class="fn__flex-1">
+        ${window.siyuan.languages.removeAssetsID}
+        <div class="b3-label__text">${window.siyuan.languages.removeAssetsIDTip}</div>
+    </div>
+    <span class="fn__space"></span>
+    <input class="b3-switch fn__flex-center" id="removeAssetsID" type="checkbox"${window.siyuan.config.export.removeAssetsID ? " checked" : ""}/>
+</label>
 <label class="fn__flex b3-label">
     <div class="fn__flex-1">
         ${window.siyuan.languages.export31}
@@ -207,6 +215,7 @@ export const exportConfig = {
             fetchPost("/api/setting/setExport", {
                 paragraphBeginningSpace: (exportConfig.element.querySelector("#paragraphBeginningSpace") as HTMLInputElement).checked,
                 addTitle: (exportConfig.element.querySelector("#addTitle") as HTMLInputElement).checked,
+                removeAssetsID: (exportConfig.element.querySelector("#removeAssetsID") as HTMLInputElement).checked,
                 markdownYFM: (exportConfig.element.querySelector("#markdownYFM") as HTMLInputElement).checked,
                 inlineMemo: (exportConfig.element.querySelector("#inlineMemo") as HTMLInputElement).checked,
                 blockRefMode: parseInt((exportConfig.element.querySelector("#blockRefMode") as HTMLSelectElement).value, 10),
diff --git a/app/src/config/search.ts b/app/src/config/search.ts
index ee53e9ff1..5665bcf07 100644
--- a/app/src/config/search.ts
+++ b/app/src/config/search.ts
@@ -56,7 +56,7 @@ export const initConfigSearch = (element: HTMLElement, app: App) => {
         // 导出
         getLang(["paragraphBeginningSpace", "md4", "export", "export1", "export2", "export5", "export11",
             "export13", "export14", "export15", "export19", "export20", "ref", "blockEmbed", "export17", "export18",
-            "export23", "export24", "export25", "export26", "export27", "export28", "export29"]),
+            "export23", "export24", "export25", "export26", "export27", "export28", "export29", "removeAssetsID", "removeAssetsIDTip"]),
 
         // 外观
         getLang(["language", "language1", "appearance", "appearance1", "appearance2", "appearance3", "appearance4",
diff --git a/app/src/types/config.d.ts b/app/src/types/config.d.ts
index f4f42ca09..62ca2776a 100644
--- a/app/src/types/config.d.ts
+++ b/app/src/types/config.d.ts
@@ -574,6 +574,10 @@ declare namespace Config {
          * Whether to add YAML Front Matter when exporting to Markdown
          */
         markdownYFM: boolean;
+        /**
+         * Whether to remove the asset ID when exporting to Markdown
+         */
+        removeAssetsID: boolean;
         /**
          * Whether to export the inline memo
          */
diff --git a/kernel/conf/export.go b/kernel/conf/export.go
index 4daa15f93..6a137649c 100644
--- a/kernel/conf/export.go
+++ b/kernel/conf/export.go
@@ -33,6 +33,7 @@ type Export struct {
 	TagCloseMarker        string `json:"tagCloseMarker"`        // 标签结束标记符，默认是 #
 	FileAnnotationRefMode int    `json:"fileAnnotationRefMode"` // 文件标注引用导出模式，0：文件名 - 页码 - 锚文本，1：仅锚文本
 	PandocBin             string `json:"pandocBin"`             // Pandoc 可执行文件路径
+	RemoveAssetsID        bool   `json:"removeAssetsID"`        // Markdown 导出时是否移除资源文件名 ID 部分 https://github.com/siyuan-note/siyuan/issues/16065
 	MarkdownYFM           bool   `json:"markdownYFM"`           // Markdown 导出时是否添加 YAML Front Matter https://github.com/siyuan-note/siyuan/issues/7727
 	InlineMemo            bool   `json:"inlineMemo"`            // 是否导出行级备注 https://github.com/siyuan-note/siyuan/issues/14605
 	PDFFooter             string `json:"pdfFooter"`             // PDF 导出时页脚内容
@@ -55,6 +56,7 @@ func NewExport() *Export {
 		TagCloseMarker:          "#",
 		FileAnnotationRefMode:   0,
 		PandocBin:               "",
+		RemoveAssetsID:          false,
 		MarkdownYFM:             false,
 		InlineMemo:              false,
 		PDFFooter:               "%page / %pages",
diff --git a/kernel/model/assets.go b/kernel/model/assets.go
index a7586768d..15de3f68b 100644
--- a/kernel/model/assets.go
+++ b/kernel/model/assets.go
@@ -1353,6 +1353,23 @@ func getAssetsLinkDests(node *ast.Node, includeServePath bool) (ret []string) {
 	return
 }
 
+func getAssetsLinkDestsInTree(tree *parse.Tree, includeServePath bool) (nodes []*ast.Node) {
+	ast.Walk(tree.Root, func(n *ast.Node, entering bool) ast.WalkStatus {
+		if !entering {
+			return ast.WalkContinue
+		}
+
+		dests := getAssetsLinkDests(n, includeServePath)
+		if 1 > len(dests) {
+			return ast.WalkContinue
+		}
+
+		nodes = append(nodes, n)
+		return ast.WalkContinue
+	})
+	return
+}
+
 func setAssetsLinkDest(node *ast.Node, oldDest, dest string) {
 	if ast.NodeLinkDest == node.Type {
 		if bytes.HasPrefix(node.Tokens, []byte("//")) {
diff --git a/kernel/model/export.go b/kernel/model/export.go
index 720ddc586..1e9906f5d 100644
--- a/kernel/model/export.go
+++ b/kernel/model/export.go
@@ -1449,7 +1449,9 @@ func processPDFLinkEmbedAssets(pdfCtx *model.Context, assetDests []string, remov
 	now := types.StringLiteral(types.DateString(time.Now()))
 	for _, link := range assetLinks {
 		link.URI = strings.ReplaceAll(link.URI, "http://"+util.LocalHost+":"+util.ServerPort+"/export/temp/", "")
+		link.URI = strings.ReplaceAll(link.URI, "http://"+util.LocalHost+":6806/export/temp/", "")
 		link.URI = strings.ReplaceAll(link.URI, "http://"+util.LocalHost+":"+util.ServerPort+"/", "") // Exporting PDF embedded asset files as attachments fails https://github.com/siyuan-note/siyuan/issues/7414#issuecomment-1704573557
+		link.URI = strings.ReplaceAll(link.URI, "http://"+util.LocalHost+":6806/", "")
 		link.URI, _ = url.PathUnescape(link.URI)
 		if idx := strings.Index(link.URI, "?"); 0 < idx {
 			link.URI = link.URI[:idx]
@@ -3324,6 +3326,7 @@ func exportPandocConvertZip(baseFolderName string, docPaths, defBlockIDs []strin
 		return
 	}
 
+	assetsOldNew, assetsNewOld := map[string]string{}, map[string]string{}
 	luteEngine := util.NewLute()
 	for i, p := range docPaths {
 		id := util.GetTreeID(p)
@@ -3361,31 +3364,42 @@ func exportPandocConvertZip(baseFolderName string, docPaths, defBlockIDs []strin
 
 		// 解析导出后的标准 Markdown，汇总 assets
 		tree = parse.Parse("", gulu.Str.ToBytes(md), luteEngine.ParseOptions)
-		var assets []string
-		assets = append(assets, getAssetsLinkDests(tree.Root, false)...)
-		for _, asset := range assets {
-			asset = string(html.DecodeDestination([]byte(asset)))
-			if strings.Contains(asset, "?") {
-				asset = asset[:strings.LastIndex(asset, "?")]
+		removeAssetsID(tree, assetsOldNew, assetsNewOld)
+
+		newAssets := getAssetsLinkDests(tree.Root, false)
+		for _, newAsset := range newAssets {
+			newAsset = string(html.DecodeDestination([]byte(newAsset)))
+			if strings.Contains(newAsset, "?") {
+				newAsset = newAsset[:strings.LastIndex(newAsset, "?")]
 			}
 
-			if !strings.HasPrefix(asset, "assets/") {
+			if !strings.HasPrefix(newAsset, "assets/") {
 				continue
 			}
 
-			srcPath := assetsPathMap[asset]
+			oldAsset := assetsNewOld[newAsset]
+			if "" == oldAsset {
+				logging.LogWarnf("get asset old path for new asset [%s] failed", newAsset)
+				continue
+			}
+
+			srcPath := assetsPathMap[oldAsset]
 			if "" == srcPath {
-				logging.LogWarnf("get asset [%s] abs path failed", asset)
+				logging.LogWarnf("get asset [%s] abs path failed", oldAsset)
 				continue
 			}
 
-			destPath := filepath.Join(writeFolder, asset)
+			destPath := filepath.Join(writeFolder, newAsset)
 			if copyErr := filelock.Copy(srcPath, destPath); copyErr != nil {
 				logging.LogErrorf("copy asset from [%s] to [%s] failed: %s", srcPath, destPath, err)
 				continue
 			}
 		}
 
+		for assetsOld, assetsNew := range assetsOldNew {
+			md = strings.ReplaceAll(md, assetsOld, assetsNew)
+		}
+
 		// 调用 Pandoc 进行格式转换
 		pandocErr := util.Pandoc(pandocFrom, pandocTo, writePath, md)
 		if pandocErr != nil {
@@ -3437,6 +3451,47 @@ func exportPandocConvertZip(baseFolderName string, docPaths, defBlockIDs []strin
 	return
 }
 
+func removeAssetsID(tree *parse.Tree, assetsOldNew, assetsNewOld map[string]string) {
+	assetNodes := getAssetsLinkDestsInTree(tree, false)
+	for _, node := range assetNodes {
+		dests := getAssetsLinkDests(node, false)
+		if 1 > len(dests) {
+			continue
+		}
+
+		for _, dest := range dests {
+			if !Conf.Export.RemoveAssetsID {
+				assetsOldNew[dest] = dest
+				assetsNewOld[dest] = dest
+				continue
+			}
+
+			if newDest := assetsOldNew[dest]; "" != newDest {
+				setAssetsLinkDest(node, dest, newDest)
+				continue
+			}
+
+			name := path.Base(dest)
+			name = util.RemoveID(name)
+			newDest := "assets/" + name
+			if existOld := assetsNewOld[newDest]; "" != existOld {
+				if existOld == dest { // 已存在相同资源路径
+					setAssetsLinkDest(node, dest, newDest)
+				} else {
+					// 存在同名但内容不同的资源文件，保留 ID
+					assetsNewOld[dest] = dest
+					assetsOldNew[dest] = dest
+				}
+				continue
+			}
+
+			setAssetsLinkDest(node, dest, newDest)
+			assetsOldNew[dest] = newDest
+			assetsNewOld[newDest] = dest
+		}
+	}
+}
+
 func getExportBlockRefLinkText(blockRef *ast.Node, blockRefTextLeft, blockRefTextRight string) (defID, linkText string) {
 	defID, linkText, _ = treenode.GetBlockRef(blockRef)
 	if "" == linkText {