diff --git a/libs/tiptap-editor/src/index.ts b/libs/tiptap-editor/src/index.ts
index 8e54e40..21bfb57 100644
--- a/libs/tiptap-editor/src/index.ts
+++ b/libs/tiptap-editor/src/index.ts
@@ -9,7 +9,16 @@ import { UploadCoordinator, UPLOAD_COORDINATOR_STORAGE_KEY, type UploadEvent } f
 import { UploadImage } from './upload-image'
 import './style.css'
 
-export interface EditorOptions {
+/**
+ * 编辑器选项。用 class 而非 interface，使其编译后保留运行时构造函数——
+ * Rust 侧 wasm-bindgen 的 `#[wasm_bindgen(constructor)]` 会生成 `new EditorOptions()`，
+ * 需要一个全局可访问的构造函数（interface 会被 TS 擦除）。
+ * 字段全部可选，Rust 通过 setter（set_placeholder/set_on_update/...）逐个赋值。
+ *
+ * 不用 export（避免 IIFE 的 named export 与 default 冲突），而是挂到 globalThis，
+ * 让 wasm-bindgen glue 里的裸标识符 `EditorOptions` 能解析到。
+ */
+class EditorOptions {
   content?: string
   placeholder?: string
   onUpdate?: (markdown: string) => void
@@ -24,17 +33,21 @@ export interface EditorOptions {
   onUploadEvent?: (event: UploadEvent) => void
 }
 
+// wasm-bindgen 生成的 glue 用裸标识符 `new EditorOptions()` 从全局解析，
+// IIFE 的 name 只能挂一个全局（TiptapEditor），这里手动把 EditorOptions 也挂到 window 上。
+;(window as unknown as Record<string, unknown>).EditorOptions = EditorOptions
+
 class TiptapEditorInstance {
   private editor: Editor | null = null
   private container: HTMLElement
   private options: EditorOptions
-  // 源码模式相关状态
+
   private isSourceMode = false
   private sourceTextarea: HTMLTextAreaElement | null = null
   private toggleButton: HTMLButtonElement | null = null
   private coordinator: UploadCoordinator | null = null
 
-  constructor(container: HTMLElement, options: EditorOptions = {}) {
+  constructor(container: HTMLElement, options: EditorOptions = new EditorOptions()) {
     this.container = container
     this.options = options
     this.init()
@@ -257,7 +270,7 @@ class TiptapEditorInstance {
 const TiptapEditor = {
   _instances: new Map<string, TiptapEditorInstance>(),
 
-  create(containerId: string, options: EditorOptions = {}): TiptapEditorInstance | null {
+  create(containerId: string, options: EditorOptions = new EditorOptions()): TiptapEditorInstance | null {
     const container = document.getElementById(containerId)
     if (!container) {
       console.error(`[TiptapEditor] Container not found: #${containerId}`)