diff --git a/packages/toast/toast.ts b/packages/toast/toast.ts
index 39207f8e..1488726b 100644
--- a/packages/toast/toast.ts
+++ b/packages/toast/toast.ts
@@ -1,15 +1,14 @@
 import { isObj } from '../common/validator';
 
 type ToastMessage = string | number;
+type ToastContext = WechatMiniprogram.Component.TrivialInstance | WechatMiniprogram.Page.TrivialInstance
 
 interface ToastOptions {
   show?: boolean;
   type?: string;
   mask?: boolean;
   zIndex?: number;
-  context?:
-    | WechatMiniprogram.Component.TrivialInstance
-    | WechatMiniprogram.Page.TrivialInstance;
+  context?: () => ToastContext | ToastContext;
   position?: string;
   duration?: number;
   selector?: string;
@@ -50,7 +49,7 @@ function Toast(toastOptions: ToastOptions | ToastMessage) {
     ...parseOptions(toastOptions),
   } as ToastOptions;
 
-  const context = options.context || getContext();
+  const context = (typeof options.context === 'function' ? options.context() : options.context) || getContext();
   const toast = context.selectComponent(options.selector as string);
 
   if (!toast) {