diff --git a/src/base/foundation/message.js b/src/base/foundation/message.js
index 860449ab4..156297c9d 100644
--- a/src/base/foundation/message.js
+++ b/src/base/foundation/message.js
@@ -22,6 +22,7 @@ BI.Msg = function () {
             // BI.Msg.prompt(title, message, value, callback, min_width);
         },
         toast: function (message, options, context) {
+            BI.isString(options) && (options = { level: options })
             options = options || {};
             context = context || BI.Widget._renderEngine.createElement("body");
             var level = options.level || "common";
diff --git a/typescript/base/foundation/message.ts b/typescript/base/foundation/message.ts
index ce7d54c3a..63790d1cb 100644
--- a/typescript/base/foundation/message.ts
+++ b/typescript/base/foundation/message.ts
@@ -2,5 +2,5 @@ export type _msg = {
   alert: (title: string, message?: string | {[key: string]: any}, callback?: (result?: boolean)=>void) => void
   confirm: (title: string, message?: string | {[key: string]: any}, callback?: (result: boolean)=>void) => void
   prompt: (title: string, message?: string, value?: any, callback?: (result: string) => void, minWidth?: number) => void
-  toast: (message: string, options?: object, context?: HTMLElement) => void
+  toast: (message: string, options?: object | string, context?: HTMLElement) => void
 }