diff --git a/ui/artalk/src/layer/layer.ts b/ui/artalk/src/layer/layer.ts
index 9ccf26d0..f60319c5 100644
--- a/ui/artalk/src/layer/layer.ts
+++ b/ui/artalk/src/layer/layer.ts
@@ -1,9 +1,11 @@
+import type { Layer as LayerApi } from '@/types/layer'
+
 export interface LayerOptions {
   onShow: () => void
   onHide: () => void
 }
 
-export class Layer {
+export class Layer implements LayerApi {
   private allowMaskClose = true
   private onAfterHide?: () => void
 
@@ -33,13 +35,13 @@ export class Layer {
     this.$el.style.display = ''
   }
 
-  async hide() {
+  hide() {
     this.opts.onHide()
     this.$el.style.display = 'none'
     this.onAfterHide && this.onAfterHide()
   }
 
-  async destroy() {
+  destroy() {
     this.opts.onHide()
     this.$el.remove()
     this.onAfterHide && this.onAfterHide()
diff --git a/ui/artalk/src/types/index.ts b/ui/artalk/src/types/index.ts
index 69416870..e38be02b 100644
--- a/ui/artalk/src/types/index.ts
+++ b/ui/artalk/src/types/index.ts
@@ -5,4 +5,5 @@ export type * from './editor'
 export type * from './event'
 export type * from './plugin'
 export type * from './sidebar'
+export type * from './layer'
 export type { I18n, I18nKeys } from '../i18n'
diff --git a/ui/artalk/src/types/layer.ts b/ui/artalk/src/types/layer.ts
new file mode 100644
index 00000000..4310819c
--- /dev/null
+++ b/ui/artalk/src/types/layer.ts
@@ -0,0 +1,9 @@
+export interface Layer {
+  show: () => void
+  hide: () => void
+  destroy: () => void
+  setOnAfterHide(func: () => void): void
+  setAllowMaskClose(allow: boolean): void
+  getAllowMaskClose(): boolean
+  getEl: () => HTMLElement
+}
diff --git a/ui/plugin-kit/src/plugin/dts.ts b/ui/plugin-kit/src/plugin/dts.ts
index 2bd910df..e2f17ba1 100644
--- a/ui/plugin-kit/src/plugin/dts.ts
+++ b/ui/plugin-kit/src/plugin/dts.ts
@@ -19,7 +19,7 @@ export function generateDts(
   const diagnostics = [
     ...program.getDeclarationDiagnostics(),
     ...program.getSemanticDiagnostics(),
-    ...program.getSyntacticDiagnostics()
+    ...program.getSyntacticDiagnostics(),
   ]
 
   if (diagnostics?.length) {