diff --git a/ofdgo_annot.go b/ofdgo_annot.go
index ef72cae..426bc61 100644
--- a/ofdgo_annot.go
+++ b/ofdgo_annot.go
@@ -180,7 +180,7 @@ func (r *Reader) parseAnnotations(doc *Document) error {
 	return nil
 }
 
-// annotationIndex 读取注解文件索引，不解析页面外观
+// annotationIndex 读取注解索引，将页引用对应到文档声明的标识，不解析页面外观
 // 入参: doc 文档结构
 // 返回: Annotations 注解索引, error 错误信息
 func (r *Reader) annotationIndex(doc *Document) (Annotations, error) {
@@ -197,8 +197,18 @@ func (r *Reader) annotationIndex(doc *Document) (Annotations, error) {
 	if err := xml.NewDecoder(f).Decode(&annotations); err != nil {
 		return Annotations{}, err
 	}
+	pageIDs := make(map[string]string, len(doc.Pages.Page))
+	for _, page := range doc.Pages.Page {
+		if id := editorResourceID(page.ID); id != "" {
+			pageIDs[id] = page.ID
+		}
+	}
 	r.annotationFiles = make(map[string][]string)
-	for _, page := range annotations.Page {
+	for i := range annotations.Page {
+		page := &annotations.Page[i]
+		if id := pageIDs[editorResourceID(page.PageID)]; id != "" {
+			page.PageID = id
+		}
 		annotPath := resolveResourcePath(annPath, "", page.FileLoc)
 		if file, ok := r.packageFile(annotPath); ok {
 			annotPath = cleanPackagePath(file.Name)
diff --git a/ofdgo_editor_annot.go b/ofdgo_editor_annot.go
index 5093fc4..47789ba 100644
--- a/ofdgo_editor_annot.go
+++ b/ofdgo_editor_annot.go
@@ -180,12 +180,13 @@ func (e *Editor) editAnnotations(index int, ids []string, edit func([]byte, *edi
 	var patches []editorXMLPatch
 	found := make(map[string]bool, len(ids))
 	remaining := 0
+	pageID := editorResourceID(e.pages[index].ID)
 	for _, ref := range root.children {
 		if !ref.matchesOFD("Page") {
 			continue
 		}
 		remaining++
-		if ref.attr("PageID") != e.pages[index].ID {
+		if pageID == "" || editorResourceID(ref.attr("PageID")) != pageID {
 			continue
 		}
 		loc := ref.child("FileLoc")
diff --git a/ofdgo_editor_annot_content.go b/ofdgo_editor_annot_content.go
index c7d6052..daeeaa7 100644
--- a/ofdgo_editor_annot_content.go
+++ b/ofdgo_editor_annot_content.go
@@ -175,8 +175,9 @@ func (e *Editor) annotationXML(index int, id string) ([]byte, error) {
 		return nil, err
 	}
 	var result []byte
+	pageID := editorResourceID(e.pages[index].ID)
 	for _, ref := range root.children {
-		if !ref.matchesOFD("Page") || ref.attr("PageID") != e.pages[index].ID || ref.child("FileLoc") == nil {
+		if !ref.matchesOFD("Page") || pageID == "" || editorResourceID(ref.attr("PageID")) != pageID || ref.child("FileLoc") == nil {
 			continue
 		}
 		file, err := editorPageLocation(reader, nil, name, strings.TrimSpace(editorImportText(data, ref.child("FileLoc"))))
@@ -247,8 +248,9 @@ func (e *Editor) appendAnnotations(index int, annotations []byte, generated bool
 	if err != nil {
 		return err
 	}
+	pageID := editorResourceID(e.pages[index].ID)
 	for _, item := range root.children {
-		if item.matchesOFD("Page") && item.attr("PageID") == e.pages[index].ID {
+		if item.matchesOFD("Page") && pageID != "" && editorResourceID(item.attr("PageID")) == pageID {
 			ref = item
 			loc := item.child("FileLoc")
 			if loc == nil {
@@ -363,18 +365,19 @@ func (e *Editor) annotationFiles() []string {
 	}
 	removed := make(map[string]bool)
 	for id := range e.source.pages {
-		removed[id] = true
+		removed[editorResourceID(id)] = true
 	}
 	for id := range e.source.annotationPages {
-		removed[id] = true
+		removed[editorResourceID(id)] = true
 	}
 	for _, page := range e.pages {
-		delete(removed, page.ID)
+		delete(removed, editorResourceID(page.ID))
 	}
+	delete(removed, "")
 	var files []string
 	for name, pages := range e.source.reader.annotationFiles {
 		for _, page := range pages {
-			if !removed[page] {
+			if !removed[editorResourceID(page)] {
 				files = append(files, name)
 				break
 			}