diff --git a/src/wechaty.ts b/src/wechaty.ts
index e0d5c5097977ed8d0910c18d4f335c1ee0d418b2..32cfb5cbf0f645a77f53c77bd6b025b04696228e 100644
--- a/src/wechaty.ts
+++ b/src/wechaty.ts
@@ -114,8 +114,9 @@ export interface WechatyOptions {
   ioToken?       : string,                    // Io TOKEN
 }
 
+type WechatyPluginUninstaller = () => void
 export interface WechatyPlugin {
-  (bot: Wechaty): void
+  (bot: Wechaty): void | WechatyPluginUninstaller
 }
 
 const PUPPET_MEMORY_NAME = 'puppet'