diff --git a/app/src/dialog/processSystem.ts b/app/src/dialog/processSystem.ts
index d97c7ba1d..aebba4307 100644
--- a/app/src/dialog/processSystem.ts
+++ b/app/src/dialog/processSystem.ts
@@ -302,7 +302,7 @@ export const exitSiYuan = async (setCurrentWorkspace = true) => {
                             return;
                         }
                         if (isInIOS()) {
-                            window.webkit.messageHandlers.exit.postMessage();
+                            window.webkit.messageHandlers.exit.postMessage("");
                             return;
                         }
 
@@ -358,7 +358,7 @@ export const exitSiYuan = async (setCurrentWorkspace = true) => {
                 return;
             }
             if (isInIOS()) {
-                window.webkit.messageHandlers.exit.postMessage();
+                window.webkit.messageHandlers.exit.postMessage("");
                 return;
             }
 
diff --git a/app/src/types/index.d.ts b/app/src/types/index.d.ts
index 0d214a139..33f64bd05 100644
--- a/app/src/types/index.d.ts
+++ b/app/src/types/index.d.ts
@@ -228,7 +228,7 @@ interface Window {
             setClipboard: { postMessage: (url: string) => void }
             purchase: { postMessage: (url: string) => void }
             print: { postMessage: (html: string) => void }
-            exit: { postMessage: () => void }
+            exit: { postMessage: (text: string) => void }
         }
     };
     htmlToImage: {