diff --git a/src/index.d.ts b/src/index.d.ts
new file mode 100644
index 0000000..6fb8316
--- /dev/null
+++ b/src/index.d.ts
@@ -0,0 +1,28 @@
+export type Framework = 'vue' | 'react'
+
+export interface BaseOptions {
+  /**
+   * if use controller
+   */
+  isController?: boolean
+  /**
+   * framework name
+   */
+  framework?: Framework
+}
+
+export interface PlantumlOptions extends BaseOptions {
+  /**
+   * image format
+   */
+  imageFormat?: string
+  /**
+   * server url
+   */
+  server?: string
+  [key: string]: any
+}
+
+export interface MermaidOptions extends BaseOptions {
+  [key: string]: any
+}
diff --git a/src/index.ts b/src/index.ts
index e160274..1062c3d 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -2,7 +2,7 @@ import type MarkdownIt from 'markdown-it/index.js'
 import type { Renderer, Token } from 'markdown-it/index.js'
 import * as mermaidFunctions from './mermaid-parser'
 import * as platumlFunctions from './plantuml-parser'
-import type { PlantumlOptions } from './types'
+import type { PlantumlOptions } from './index.d'
 
 export default function umlPlugin(md: MarkdownIt, options: PlantumlOptions = {}) {
   platumlFunctions.default.functions.initialize(options)
diff --git a/src/mermaid-parser.ts b/src/mermaid-parser.ts
index d472c7f..b8f552c 100644
--- a/src/mermaid-parser.ts
+++ b/src/mermaid-parser.ts
@@ -1,7 +1,7 @@
 'use strict'
 
 import { getController } from './render-control'
-import type { MermaidOptions } from './types'
+import type { MermaidOptions } from '.'
 
 const functions = {
   options: {
diff --git a/src/plantuml-parser.ts b/src/plantuml-parser.ts
index 10570ce..241fb4c 100644
--- a/src/plantuml-parser.ts
+++ b/src/plantuml-parser.ts
@@ -1,9 +1,9 @@
 // Process block-level uml diagrams
 //
 'use strict'
+import type { PlantumlOptions } from './index.d'
 import deflate from './deflate'
 import { getController } from './render-control'
-import type { PlantumlOptions } from './types'
 
 const functions = {
   options: {
diff --git a/src/render-control.ts b/src/render-control.ts
index c2e107b..27ff843 100644
--- a/src/render-control.ts
+++ b/src/render-control.ts
@@ -1,4 +1,4 @@
-import type { Framework } from './types'
+import type { Framework } from './index.d'
 
 /**
  * Render controller for other frameworks
diff --git a/src/types.ts b/src/types.ts
deleted file mode 100644
index 3fa31f9..0000000
--- a/src/types.ts
+++ /dev/null
@@ -1,14 +0,0 @@
-export type Framework = 'vue' | 'react'
-export interface PlantumlOptions {
-  imageFormat?: string
-  server?: string
-  isController?: boolean
-  framework?: Framework
-  [key: string]: any
-}
-
-export interface MermaidOptions {
-  isController?: boolean
-  framework?: Framework
-  [key: string]: any
-}