diff --git a/frontend/src/components/FileSystem/components/FileEditorPanel.vue b/frontend/src/components/FileSystem/components/FileEditorPanel.vue
index 8b91c9e..ff64e29 100644
--- a/frontend/src/components/FileSystem/components/FileEditorPanel.vue
+++ b/frontend/src/components/FileSystem/components/FileEditorPanel.vue
@@ -929,7 +929,8 @@ const handleExportHtmlPDF = async () => {
   try {
     const res = await ExportHtmlFileToPDF(srcPath, baseName)
     if (res?.success) {
-      Message.success(`PDF 已导出到: ${res.path}`)
+      // 后端导出成功已自动打开资源管理器选中文件，弹窗只做明确指向，不依赖用户记住路径
+      Message.success('PDF 已导出，已在桌面打开所在位置')
     } else {
       Message.error(res?.message || 'PDF 导出失败')
     }
diff --git a/internal/api/pdf_api.go b/internal/api/pdf_api.go
index 201c50d..2b85bce 100644
--- a/internal/api/pdf_api.go
+++ b/internal/api/pdf_api.go
@@ -451,6 +451,15 @@ func (api *PdfAPI) ExportHtmlFileToPDF(srcPath string, saveName string) (resp *P
 		return nil, fmt.Errorf("获取文件信息失败: %v", err)
 	}
 
+	// 成功弹窗几秒即逝用户难感知产物位置，改用资源管理器选中 PDF 明示落盘位置；失败静默不影响导出结果
+	// 用户 PATH 无 C:\Windows 根目录，explorer 走 LookPath 解析不到，必须用 WINDIR 拼绝对路径
+	if common.IsWindows() {
+		exePath := filepath.Join(os.Getenv("WINDIR"), "explorer.exe")
+		if selectErr := exec.Command(exePath, "/select,", savePath).Start(); selectErr != nil {
+			appendExportLog(fmt.Sprintf("ExportHtmlFileToPDF explorer select error=%s", selectErr.Error()))
+		}
+	}
+
 	return &PdfExportResponse{
 		Success: true,
 		Message: "PDF生成成功",