diff --git a/app/src/mobile/index.ts b/app/src/mobile/index.ts
index 303d13849..7cc82aef9 100644
--- a/app/src/mobile/index.ts
+++ b/app/src/mobile/index.ts
@@ -166,6 +166,7 @@ window.reconnectWebSocket = () => {
     window.siyuan.mobile.popEditor.protyle.ws.send("ping", {});
 };
 window.goBack = goBack;
+window.showMessage = showMessage;
 window.processIOSPurchaseResponse = processIOSPurchaseResponse;
 window.showKeyboardToolbar = (height) => {
     document.getElementById("keyboardToolbar").setAttribute("data-keyboardheight", (height ? height : window.outerHeight / 2 - 42).toString());
diff --git a/app/src/types/index.d.ts b/app/src/types/index.d.ts
index ec23cae3b..92eead7ca 100644
--- a/app/src/types/index.d.ts
+++ b/app/src/types/index.d.ts
@@ -190,8 +190,8 @@ interface Window {
         }
     }
     htmlToImage: {
-        toCanvas:(element: Element) => Promise<HTMLCanvasElement>
-        toBlob:(element: Element) => Promise<Blob>
+        toCanvas: (element: Element) => Promise<HTMLCanvasElement>
+        toBlob: (element: Element) => Promise<Blob>
     };
     JSAndroid: {
         returnDesktop(): void
@@ -220,6 +220,8 @@ interface Window {
 
     goBack(): void
 
+    showMessage(message: string, timeout: number, type: string, messageId?: string): void
+
     reconnectWebSocket(): void
 
     showKeyboardToolbar(height: number): void