diff --git a/src/plugins/apps.ts b/src/plugins/apps.ts
index f17b3ef..384b82d 100644
--- a/src/plugins/apps.ts
+++ b/src/plugins/apps.ts
@@ -12,7 +12,7 @@ export const run = (element: HTMLDivElement): void => {
   element.style.alignItems = 'center'
   element.style.gap = '5px'
   element.style.flex = '1'
-
+  // @ts-expect-error
   window.addEventListener('app_opened', (e: AppOpenedEvent): void => {
     const appIcon = document.createElement('app')
     const app = e.detail.app
@@ -28,7 +28,7 @@ export const run = (element: HTMLDivElement): void => {
     }
     element.appendChild(appIcon)
   })
-
+  // @ts-expect-error
   window.addEventListener('app_closed', (e: AppClosedEvent): void => {
     const win = e.detail.win
     element.querySelector(`img[data-id="${win.id}"]`)?.parentElement?.remove()
diff --git a/src/types.ts b/src/types.ts
index d44775e..d6d4715 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -11,6 +11,18 @@ export interface AppOpenedEvent extends CustomEvent {
   }
 }
 
+export interface FlowPlugin {
+  name: string
+  pkg: string
+  version?: string
+  authors?: string[]
+
+  init: (data: any) => void | Promise<void>
+  openWindow?: (data: any) => FlowWindow | Promise<FlowWindow>
+  addStatusbarItem: (data: any) => void | Promise<void>
+  loadTheme: (data: any) => void | Promise<void>
+}
+
 export interface AppClosedEvent extends CustomEvent {
   detail: {
     win: FlowWindow